chemical reaction Crossword Puzzles

Chemistry crossword puzzle 2023-10-12

Chemistry crossword puzzle crossword puzzle
Across
  1. The end result of a chemical reaction.
  2. A chemical reaction in which a single element replaces another element in a compound.
  3. A chemical reaction in which two or more substances combine to form a new compound.
  4. A chemical reaction that involves a substance combining with oxygen to produce heat and light.
  5. A reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
  6. The order of reactivity of metals, showing which metals can displace others in a reaction.
Down
  1. A process that involves rearrangement of the molecular or ionic structure of a substance
  2. A reaction in which heat is added and a single compound breaks down into two or more simpler substances.
  3. The starting materials in a chemical reaction.

9 Clues: The end result of a chemical reaction. • The starting materials in a chemical reaction. • A chemical reaction in which two or more substances combine to form a new compound. • A chemical reaction in which a single element replaces another element in a compound. • A process that involves rearrangement of the molecular or ionic structure of a substance • ...

Balancing Chemical Equations 2021-10-27

Balancing Chemical Equations crossword puzzle
Across
  1. Anything that has mass and takes up space.
  2. A set of ions, with an arrow in the middle, which symbolizes a chemical reaction.
  3. H₂SO₃
  4. An equation that correctly shows that nothing was created or destroyed in a reaction.
Down
  1. Substances present before a chemical reaction.
  2. An equation that has an unequal number of ions on both sides, showing something was created or destroyed.
  3. NH₄
  4. A list of chemical symbols showing the elements present in a compound.
  5. Substances created after a chemical reaction.
  6. In a chemical equation, the symbol that stands for the actual reaction.

10 Clues: NH₄ • H₂SO₃ • Anything that has mass and takes up space. • Substances created after a chemical reaction. • Substances present before a chemical reaction. • A list of chemical symbols showing the elements present in a compound. • In a chemical equation, the symbol that stands for the actual reaction. • ...

Chemical equations 2022-01-16

Chemical equations crossword puzzle
Across
  1. chemical equation is balanced when*is equal
  2. atoms are what instead of created
  3. can not be created nor destroyed
  4. Side before chemical reaction
  5. side after chemical reaction
  6. anything that takes up space
  7. name for the arrow
Down
  1. chemical equation doesn't have an equal # of atoms
  2. what the arrow represents
  3. when both sides are equal

10 Clues: name for the arrow • what the arrow represents • when both sides are equal • side after chemical reaction • anything that takes up space • Side before chemical reaction • can not be created nor destroyed • atoms are what instead of created • chemical equation is balanced when*is equal • chemical equation doesn't have an equal # of atoms

Food for Thought 2024-02-25

Food for Thought crossword puzzle
Across
  1. energy
  2. dinner
  3. lunch
  4. exercise
  5. metabolism
  6. sleeping
  7. thinking
Down
  1. reaction
  2. chemical
  3. breakfast

10 Clues: lunch • energy • dinner • reaction • chemical • exercise • sleeping • thinking • breakfast • metabolism

Chemistry Chapter 5 2026-01-05

Chemistry Chapter 5 crossword puzzle
Across
  1. Energy of motion.
  2. A chemical reaction where a compound burns.
  3. A chemical reaction where one reactant breaks down into two products
  4. A compound that only contains carbon and hydrogen.
Down
  1. A chemical reaction where two reactants form one.
  2. A number to the left of the symbol of a substance in a chemical equation.
  3. A substance that is used up in a chemical reaction.
  4. Stored energy due to an objects position.
  5. A substance that is produced by the chemical reaction.

9 Clues: Energy of motion. • Stored energy due to an objects position. • A chemical reaction where a compound burns. • A chemical reaction where two reactants form one. • A compound that only contains carbon and hydrogen. • A substance that is used up in a chemical reaction. • A substance that is produced by the chemical reaction. • ...

Chemical Reactions Vocabulary 2023-03-28

Chemical Reactions Vocabulary crossword puzzle
Across
  1. Compound of cobalt has ___ colour
  2. One observation of reaction (rapid bubbles)
  3. A substance that does not dissolve in water
  4. A substance that undergoes a chemical change
  5. Law of _______ of mass
Down
  1. Most chemical changes can not be undone, they are____
  2. During a chemical reaction what happens to the atoms
  3. Any reaction that involves burning
  4. These are tiny suspended solid particles
  5. A new substance that forms in a chemical reaction

10 Clues: Law of _______ of mass • Compound of cobalt has ___ colour • Any reaction that involves burning • These are tiny suspended solid particles • One observation of reaction (rapid bubbles) • A substance that does not dissolve in water • A substance that undergoes a chemical change • A new substance that forms in a chemical reaction • ...

Jordan Ruby-Chapter 13 2021-12-01

Jordan Ruby-Chapter 13 crossword puzzle
Across
  1. a type of chemical reaction represented by AB+CD-->AD+CB (2 words)
  2. a type of chemical reaction represented by AB-->A+B
  3. the releasing of energy
  4. any compound above a 7 on the PH scale
Down
  1. a law stating mass can not be created or destroyed (3 words)
  2. a type of chemical reaction represented by AB+C-->AC+B (2 words)
  3. the absorbing of energy
  4. a type of chemical reaction represented by AB+Oxegen-->Oxides of A&B
  5. any compound below a 7 on the PH scale
  6. a type of chemical reaction represented by A+B-->AB

10 Clues: the absorbing of energy • the releasing of energy • any compound below a 7 on the PH scale • any compound above a 7 on the PH scale • a type of chemical reaction represented by A+B-->AB • a type of chemical reaction represented by AB-->A+B • a law stating mass can not be created or destroyed (3 words) • a type of chemical reaction represented by AB+C-->AC+B (2 words) • ...

Science 2013-12-19

Science crossword puzzle
Across
  1. The study of matter and how it changes
  2. Has mass and take up space
  3. Is any change of alters
  4. Matter is not allowed to enter or leave
  5. A material used to decrase the rate of a reaction
  6. It can be observed without changing a substance into another substance
  7. The minimum amount of energy needed to start a chemical reaction
  8. Solid that forms from a solution during a chemical reaction
  9. When the reaction is complete, you have a substance
  10. Is a material that increases the rate of a reaction by lowering the activation energy
  11. Matter can enter from or escape to the surroundings
  12. A rapid reaction between oxygen and a substance called a fuel
Down
  1. When two or more elements or compounds combine to make a more complex substance
  2. The substance you have at the beginning
  3. Substance that describes its abilty to change into other substance
  4. Is the amonut os a substance in a given volume
  5. Breaks down compounds into simpler products
  6. When one element replaces another in a compound
  7. The cells of the body (as in all living things) contain biological catalysts
  8. Is a material that releases energy when it bruns

20 Clues: Is any change of alters • Has mass and take up space • The study of matter and how it changes • The substance you have at the beginning • Matter is not allowed to enter or leave • Breaks down compounds into simpler products • Is the amonut os a substance in a given volume • When one element replaces another in a compound • Is a material that releases energy when it bruns • ...

Science 2013-12-19

Science crossword puzzle
Across
  1. The study of matter and how it changes
  2. When the reaction is complete, you have a substance
  3. When two or more elements or compounds combine to make a more complex substance
  4. It can be observed without changing a substance into another substance
  5. The minimum amount of energy needed to start a chemical reaction
  6. A rapid reaction between oxygen and a substance called a fuel
  7. Is any change of alters
  8. Matter can enter from or escape to the surroundings
  9. Solid that forms from a solution during a chemical reaction
  10. When one element replaces another in a compound
  11. Is a material that increases the rate of a reaction by lowering the activation energy
Down
  1. Has mass and take up space
  2. Breaks down compounds into simpler products
  3. The cells of the body (as in all living things) contain biological catalysts
  4. Substance that describes its abilty to change into other substance
  5. Is the amonut os a substance in a given volume
  6. Matter is not allowed to enter or leave
  7. A material used to decrase the rate of a reaction
  8. The substance you have at the beginning
  9. Is a material that releases energy when it bruns

20 Clues: Is any change of alters • Has mass and take up space • The study of matter and how it changes • Matter is not allowed to enter or leave • The substance you have at the beginning • Breaks down compounds into simpler products • Is the amonut os a substance in a given volume • When one element replaces another in a compound • Is a material that releases energy when it bruns • ...

Science 2013-12-19

Science crossword puzzle
Across
  1. Breaks down compounds into simpler products
  2. Matter is not allowed to enter or leave
  3. When one element replaces another in a compound
  4. It can be observed without changing a substance into another substance
  5. When the reaction is complete, you have a substance
  6. Has mass and take up space
  7. Is the amonut os a substance in a given volume
  8. The cells of the body (as in all living things) contain biological catalysts
  9. The substance you have at the beginning
  10. The study of matter and how it changes
Down
  1. A material used to decrase the rate of a reaction
  2. Substance that describes its abilty to change into other substance
  3. A rapid reaction between oxygen and a substance called a fuel
  4. Is any change of alters
  5. The minimum amount of energy needed to start a chemical reaction
  6. Solid that forms from a solution during a chemical reaction
  7. Matter can enter from or escape to the surroundings
  8. Is a material that increases the rate of a reaction by lowering the activation energy
  9. When two or more elements or compounds combine to make a more complex substance
  10. Is a material that releases energy when it bruns

20 Clues: Is any change of alters • Has mass and take up space • The study of matter and how it changes • Matter is not allowed to enter or leave • The substance you have at the beginning • Breaks down compounds into simpler products • Is the amonut os a substance in a given volume • When one element replaces another in a compound • Is a material that releases energy when it bruns • ...

Unit 5: Gases 2022-03-29

Unit 5: Gases crossword puzzle
Across
  1. A measurement of the amount of gas particles
  2. @STP 1 mol of gases equals this volume(in liters).
  3. STP(Temp = 273K, Pressure = 1.0 atm)
  4. these types of gases do not exist naturally, because they require conditions to be constant.
  5. The individual pressure exerted by a gas in a mixture.
  6. P1V1 = P2V2
  7. Amount of energy required for a chemical reaction to take place.
  8. relationship between volume and temperature.
  9. Distance between gas particles
Down
  1. P(total) = P1 + P2 + P3
  2. Collision of gas particles against a surface.
  3. Rounded value for the universal gas constant(R).
  4. "Energy is being absorbed, therefore, the reaction feels cold."
  5. can be found by taking the moles of an individual gas, and dividing it by the total number of moles in the sample.
  6. Substance that speeds up a chemical reaction, by lowering the activation energy.
  7. "Energy is being released. Therefore, the reaction feels hot."
  8. V1/T1 = V2/V2
  9. represents the overall change in thermal energy. If positive, the reaction is endothermic. If negative, the reaction is exothermic.
  10. relationship between pressure and volume.
  11. Movement between atoms (kinetic energy)
  12. PV = nRT

21 Clues: PV = nRT • P1V1 = P2V2 • V1/T1 = V2/V2 • P(total) = P1 + P2 + P3 • Distance between gas particles • STP(Temp = 273K, Pressure = 1.0 atm) • Movement between atoms (kinetic energy) • relationship between pressure and volume. • A measurement of the amount of gas particles • relationship between volume and temperature. • Collision of gas particles against a surface. • ...

8.5D Chemical Symbols, Formulas, Coefficienct and Subscripts 2022-09-20

8.5D Chemical Symbols, Formulas, Coefficienct and Subscripts crossword puzzle
Across
  1. Any substance made up of identical molecules consisting of 2 or more elements.
  2. A form of matter having a constant chemical composition and constant characteristic properties.
  3. The basic unitof a chemical element.
  4. A substance to the right of the chemical equation. This is present at the end of a chemical reaction.
  5. a substance made up of only 1 type of atom, all with the same number of protons.
Down
  1. A group of atoms bonded together, the smallest unit of a chemical compound that can take part in a chemical reaction.
  2. Represents a symbolic chemical reaction in the form of chemical formulas where you have reactants and products.
  3. A set of chemical symbols showing the elements in a compound.
  4. A substance that is present at the start of a chemical reaction. they are to the left of a chemical equation.
  5. a table that displays important scientific information.
  6. Numbers in a chemical formula that tell you the number of Atoms of an element.

11 Clues: The basic unitof a chemical element. • a table that displays important scientific information. • A set of chemical symbols showing the elements in a compound. • Any substance made up of identical molecules consisting of 2 or more elements. • Numbers in a chemical formula that tell you the number of Atoms of an element. • ...

Crossword puzzzle 2021-01-27

Crossword puzzzle crossword puzzle
Across
  1. Point - Temperature at which a solid substance becomes a liquid.
  2. Point - Temperature at which a liquid substance becomes a gas.
  3. The characteristic of being able to attract because of an electrical force
  4. - The amount of matter in a defined volume. (density = mass/volume)
  5. The ability to rust do to oxygen
  6. Reaction - Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
  7. - Measure of the amount of matter in an object.
  8. - Measure of acidity or basicity of a substance.
  9. - The readiness of a substance to produce hydroxide ions.
  10. - Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
  11. Change - Process where one or more substances are altered into new and different substances.
  12. - The characteristic smell of a substance.
  13. The ability to be drawn out into thin wires
  14. - Chemical reaction in which thermal energy is released.Shape - The external features of a substance.
  15. - A chemical substance that produces hydroxide ions in solution and tastes bitter.
  16. - Property of a substance relating to how easily it reacts with other substances.
Down
  1. The ability to be hammered or pressed down
  2. - A chemical substance that produces hydrogen ions in solution and tastes sour.
  3. The ability to produce electricity
  4. - A solid substance that forms from a chemical reaction that takes place in a liquid solution.
  5. - Chemical reaction in which thermal energy is absorbed.
  6. Property - A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
  7. - The readiness of a substance to produce hydrogen ions.
  8. Property - A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
  9. Change - A type of change in which the form of matter is altered but one substance is not transformed into another.
  10. The characteristic of a slow moving sticky substance
  11. - Property of a substance defining how easily it ignites and burns.
  12. - The amount of space an object occupies.

28 Clues: The ability to rust do to oxygen • The ability to produce electricity • - The amount of space an object occupies. • The ability to be hammered or pressed down • - The characteristic smell of a substance. • The ability to be drawn out into thin wires • - Measure of the amount of matter in an object. • - Measure of acidity or basicity of a substance. • ...

Biomolecules & Enzymes Crosswords 2024-05-01

Biomolecules & Enzymes Crosswords crossword puzzle
Across
  1. A nonmetallic element found more or less pure in nature (as in diamond and graphite) or as a part of coal and petroleum and of the bodies of living things or obtained artificially
  2. A carboxylic acid with an amino group and the building block of proteins
  3. Substance that increases the rate of a chemical reaction without being consumed itself
  4. The substance acted on by an enzyme the enzyme breaks this down.
  5. Process of adding a water molecule in the protein molecule to break it apart into amino acids. Now the body can use the amino acids to make its own proteins
  6. A sugar molecule containing five carbons that has lost the -OH (hydroxyl group) on its 2' carbon
  7. A simple compound whose molecules can join together to form polymers
  8. Organic molecule made of smaller subunits. (proteins, carbohydrates, lipids, or nucleic acids are examples of a bio-molecules)
  9. A chemical substance that is present at the start of a chemical reaction (will be broken down)
  10. The energy needed to start the chemical reaction of breaking down the substrate
Down
  1. A compound consisting of large molecules made up of simple monomers (small molecules)
  2. Used to make muscles / made of amino acids
  3. The active site (or active center) of an enzyme represents the small region at which the substrate(s) binds and participates in the catalysis
  4. A nitrogen-containing molecule with basic properties
  5. First source of energy for animals / made of mono-di-and polysaccharides
  6. An oily organic compound insoluble in water but soluble in organic solvents, stores energy: made of fatty acid
  7. Base unit of a lipid
  8. Material that carries your DNA or genetic code to your offspring: made of nucleotides.
  9. Protein that speeds up chemical reactions
  10. A chemical substance formed as a result of a chemical reaction

20 Clues: Base unit of a lipid • Protein that speeds up chemical reactions • Used to make muscles / made of amino acids • A nitrogen-containing molecule with basic properties • A chemical substance formed as a result of a chemical reaction • The substance acted on by an enzyme the enzyme breaks this down. • A simple compound whose molecules can join together to form polymers • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. The substances formed in chemical reactions
  2. An increase in size
  3. Any chemical reaction where a substance burns in oxygen to produce light and heat
  4. A solid formed during a chemical change
  5. A change of state where a liquid is heated and changes to a gas within the liquid
  6. A change that does not result in a new substance being produced
  7. Evaporation of solvent from a solution to leave solute behind as crystals
  8. A change of state where a liquid changes to a gas at the surface of the liquid
  9. A decrease in size
Down
  1. The change of state when a solid is heated and forms a liquid
  2. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  3. A change of state from gas to solid
  4. The starting substances in chemical reactions
  5. A simple chemical equation where chemicals are represented by their names
  6. The change of state from liquid to solid
  7. A change that results in a new substance being formed
  8. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  9. A change of state where a gas is cooled and forms a liquid

18 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • A change of state where a gas is cooled and forms a liquid • ...

Inorganic chemistry and reactions 2023-08-26

Inorganic chemistry and reactions crossword puzzle
Across
  1. A solid substance that forms when two solutions are mixed in a chemical reaction. It's insoluble and separates from the solution.
  2. The amount of product obtained in a chemical reaction. It can be expressed as a percentage of the theoretical maximum amount.
  3. The amount of solute dissolved in a given amount of solvent. It indicates how strong or dilute a solution is.
  4. A substance present at the start of a chemical reaction that undergoes a transformation to produce new substances (products).
  5. A process in which reactants undergo chemical changes to form new substances (products) with different properties and compositions.
  6. A substance that increases the rate of a chemical reaction without itself being consumed in the process. It provides an alternative reaction pathway with lower activation energy.
Down
  1. A substance formed as a result of a chemical reaction. It's what you get at the end of the reaction when reactants transform.
  2. The process of decomposition or disintegration of a substance into simpler components or elements.
  3. A homogeneous mixture of two or more substances, where one substance (the solute) is dissolved uniformly in another (the solvent).
  4. A substance used in a chemical reaction to cause a chemical change in another substance. It often participates in the reaction without being consumed.

10 Clues: The process of decomposition or disintegration of a substance into simpler components or elements. • The amount of solute dissolved in a given amount of solvent. It indicates how strong or dilute a solution is. • A substance formed as a result of a chemical reaction. It's what you get at the end of the reaction when reactants transform. • ...

SCIENCE 1ST 9 WEEKS REVIEW-CHEMISTRY 2023-09-27

SCIENCE 1ST 9 WEEKS REVIEW-CHEMISTRY crossword puzzle
Across
  1. OUTER LEVEL ELECTRONS THAT BOND
  2. USUALLY ARE GASES
  3. ATOMIC NUMBER IS THE NUMBER OF
  4. CAN'T BE SEPARATED INTO OTHER SUBSTANCES
  5. ADD PROTONS AND NEUTRONS TO FIND ATOMIC
  6. SMALLEST SUBATOMIC PARTICLE
  7. IN A BALANCED ATOM, THE # OF PROTONS AND ELECTRONS IS THE
  8. ELECTRONS ARE FOUND IN THE
  9. CHARGE OF NEUTRONS
  10. RESULTS OF A CHEMICAL REACTION
  11. INGREDIENTS FOR A CHEMICAL REACTION
  12. HORIZONTAL ROWS ON THE PT
  13. MASS DIVIDED BY VOLUME
  14. HAVE SOME, BUT NOT ALL, METALLIC PROPERTIES
Down
  1. SMALLEST PIECE OF AN ELEMENT
  2. CHARGE OF ELECTRONS
  3. MOST ELEMENTS ARE THIS TYPE
  4. FORMED BY BONDING TWO OR MORE ELEMENTS IN A SET RATIO
  5. CHARGE OF PROTONS
  6. CONTAINS PROTONS AND NEUTRONS
  7. TABLE THAT LISTS ALL ELEMENTS
  8. ABLE TO BE FORMED INTO SHAPES
  9. REACTION THAT PRODUCES A NEW SUBSTANCE
  10. SHINY QUALITY OF METALS
  11. MAGIC NUMBER OF VALENCE ELECTRONS FOR STABILITY
  12. PLANTS MAKE SUGAR AND OXYGEN FROM SUNLIGHT AND CO2
  13. VERTICAL COLUMNS ON THE PT
  14. CHANGE WHICH CHANGES SIZE, SHAPE, OR STATE

28 Clues: USUALLY ARE GASES • CHARGE OF PROTONS • CHARGE OF NEUTRONS • CHARGE OF ELECTRONS • MASS DIVIDED BY VOLUME • SHINY QUALITY OF METALS • HORIZONTAL ROWS ON THE PT • ELECTRONS ARE FOUND IN THE • VERTICAL COLUMNS ON THE PT • MOST ELEMENTS ARE THIS TYPE • SMALLEST SUBATOMIC PARTICLE • SMALLEST PIECE OF AN ELEMENT • CONTAINS PROTONS AND NEUTRONS • TABLE THAT LISTS ALL ELEMENTS • ...

Biochemistry - Unit 2 2023-10-27

Biochemistry - Unit 2 crossword puzzle
Across
  1. a sugar
  2. matter containing only one type of atom
  3. water does this on its surface
  4. one unit of a macromolecule
  5. these two words got mushed together, DNA is an example
  6. repelled by water
  7. bond between water molecules
  8. the ending state of a chemical reaction
  9. protein and catalyst
  10. smallest unit of matter that has the characteristics of an element
  11. attracted by water
  12. two words, makes up lipids
  13. makes up nucleic acids
Down
  1. fats, waxes and oils are examples
  2. aka a molecule
  3. water sticks to other things
  4. the "stuff" of the universe
  5. chemical version may involve breaking bonds
  6. two words, makes up proteins
  7. bond where electrons are transferred
  8. bread, pasta, rice and fruit are examples
  9. what an enzyme acts upon
  10. the beginning state of a chemical reaction
  11. large molecule
  12. many units of a macromolecule
  13. water sticks to itself
  14. bond where electrons are shared
  15. get this from eggs, nuts, legumes, and dairy
  16. two or more atoms bound together

29 Clues: a sugar • aka a molecule • large molecule • repelled by water • attracted by water • protein and catalyst • water sticks to itself • makes up nucleic acids • what an enzyme acts upon • two words, makes up lipids • the "stuff" of the universe • one unit of a macromolecule • water sticks to other things • two words, makes up proteins • bond between water molecules • ...

Chapter 7 - Chemical Reactions 2016-04-21

Chapter 7 - Chemical Reactions crossword puzzle
Across
  1. a compound breaks down into 2 or more simpler substances.
  2. a process in which the substances exposure to each other increases
  3. a reaction where forming bonds releases energy to the surroundings.
  4. a substance reacts rapidly with oxygen.
  5. Numbers that appear before a formula to show the relative proportions of each reactant and products.
  6. Mass is neither created nor destroyed during a chemical reaction.
  7. two different compounds exchange positive ions and form two new compounds.
  8. substance that increases the reaction rate without being used up in the reaction.
  9. the number of particles in a given volume of solution is called this
  10. a reaction where breaking bonds requires energy and it absorbs energy from the surroundings.
Down
  1. The new substance formed as a result of a change.
  2. faster molecular motion causes rate of reaction to increase
  3. The mass of the products if always equal to the mass of the reactants.
  4. total energy before a reaction equals the total energy after a reaction.
  5. the amount of surface available on a substance by crushing it or breaking it
  6. two or more substances react to form a single substance.
  7. Representation of a chemical reaction in which the reactants and products are expressed as formulas.
  8. one element takes the place of another in a compound.
  9. The substances that undergo change.

19 Clues: The substances that undergo change. • a substance reacts rapidly with oxygen. • The new substance formed as a result of a change. • one element takes the place of another in a compound. • two or more substances react to form a single substance. • a compound breaks down into 2 or more simpler substances. • faster molecular motion causes rate of reaction to increase • ...

Chemistry PC 252 2021-01-25

Chemistry PC 252 crossword puzzle
Across
  1. - The readiness of a substance to produce hydrogen ions.
  2. - Measure of acidity or basicity of a substance.
  3. - The amount of space an object occupies.
  4. - Measure of the amount of matter in an object.
  5. - Chemical reaction in which thermal energy is released.
  6. The ability to rust do to oxygen
  7. - A chemical substance that produces hydroxide ions in solution and tastes bitter.
  8. - Property of a substance defining how easily it ignites and burns.
  9. Change - Process where one or more substances are altered into new and different substances.
  10. The ability to be drawn out into thin wires
  11. The characteristic of being able to attract because of an electrical force
  12. - Chemical reaction in which thermal energy is absorbed.
  13. - Property of a substance relating to how easily it reacts with other substances.
  14. - A solid substance that forms from a chemical reaction that takes place in a liquid solution.
  15. Property - A measurable characteristic (size, shape, or state ) of matter not involving interactions with other substances (as color, hardness, boiling point).
Down
  1. - The external features of a substance.
  2. - The amount of matter in a defined volume. (density = mass/volume)
  3. The ability to produce electricity
  4. - The readiness of a substance to produce hydroxide ions.
  5. The characteristic of a slow-moving sticky substance
  6. - The characteristic smell of a substance.
  7. Reaction - Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
  8. Point - Temperature at which a liquid substance becomes a gas.
  9. - A chemical substance that produces hydrogen ions in solution and tastes sour.
  10. Change - A type of change in which the form of matter is altered but one substance is not transformed into another.
  11. - Capacity of acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
  12. Property - A characteristic of a substance that describes its potential to change when interacting with other substances (reactivity with air or water, combustibility, flammability).
  13. The ability to be hammered or pressed down
  14. Point - Temperature at which a solid substance becomes a liquid.

29 Clues: The ability to rust do to oxygen • The ability to produce electricity • - The external features of a substance. • - The amount of space an object occupies. • - The characteristic smell of a substance. • The ability to be hammered or pressed down • The ability to be drawn out into thin wires • - Measure of the amount of matter in an object. • ...

STAAR Review 2025-04-03

STAAR Review crossword puzzle
Across
  1. Speed with direction.
  2. This is what you get after the reactant in a chemical reaction.
  3. The number of moon phases.
  4. Sticks to self and others.
  5. Example of a chemical change
  6. Weather is cloudy and lingering rain
  7. Consists of one type of atom
  8. An example of this is physiological
Down
  1. Only found in a plant cell
  2. Power house
  3. The vacuole does this
  4. An objects resistance to movement
  5. One of the forms of energy.
  6. Earth spins on this imaginary line.
  7. Ph scale of 8 to 14.
  8. Identical to parent
  9. Example of a chemical reaction
  10. This system protects the body's exterior

18 Clues: Power house • Identical to parent • Ph scale of 8 to 14. • Speed with direction. • The vacuole does this • Only found in a plant cell • The number of moon phases. • Sticks to self and others. • One of the forms of energy. • Example of a chemical change • Consists of one type of atom • Example of a chemical reaction • An objects resistance to movement • ...

Chemical Reactions 2023-02-27

Chemical Reactions crossword puzzle
Across
  1. Starts a chemical reaction.
  2. Involve observable changes.
  3. Tells us how many of each atom is in the compound.
  4. Absorbs Energy.
  5. Mass is neither created nor destroyed during chemical reactions.
  6. A short easy way to show a chemical reaction using symbols instead of words.
Down
  1. Releases Energy.
  2. Can exchange energy and matter vs just energy.
  3. Multiply this number by all the subscripts in the formula.
  4. What you end with.
  5. What you start with.
  6. A solid formed in a chemical reaction that is different from either of the reactants.

12 Clues: Absorbs Energy. • Releases Energy. • What you end with. • What you start with. • Starts a chemical reaction. • Involve observable changes. • Can exchange energy and matter vs just energy. • Tells us how many of each atom is in the compound. • Multiply this number by all the subscripts in the formula. • Mass is neither created nor destroyed during chemical reactions. • ...

Rates of reaction 2023-07-12

Rates of reaction crossword puzzle
Across
  1. When nothing can enter or leave a a reaction is taking place
  2. A substance which speeds up a reaction without being used up
  3. A salt which has no water trapped in it
  4. A reaction which takes in heat energy from the surroundings
  5. A straight line drawn on the curve of a graph
  6. When the rate of the forward and reverse reactions are equal
  7. Describes the number of particles per unit volume
  8. A reaction which can go both forwards and backwards
  9. How much space something occupies
  10. A reaction which gives out heat energy to the surroundings
  11. Minimum energy needed to start a reaction
Down
  1. Energy which particles have by moving
  2. Indicates how steep a straight line on a graph or tangent is
  3. A metal from the centre of the Periodic Table, often used as catalysts
  4. The amount of exposed surface on a solid
  5. The number of collisions per unit time
  6. States what particles need to react with one another
  7. An insoluble solid formed when several solutions react
  8. A measure of how much heat energy something has
  9. A force exerted by gases when the collide with a container
  10. The substances produced in a chemical reaction
  11. A measure of the amount of substance being used
  12. A biological catalyst
  13. The substances that react together in a chemical reaction

24 Clues: A biological catalyst • How much space something occupies • Energy which particles have by moving • The number of collisions per unit time • A salt which has no water trapped in it • The amount of exposed surface on a solid • Minimum energy needed to start a reaction • A straight line drawn on the curve of a graph • The substances produced in a chemical reaction • ...

States Of Matter 2018-02-20

States Of Matter crossword puzzle
Across
  1. Reaction single compound breaks down into two or more elements or new compounds
  2. equation statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction,
  3. substances formed during the reaction
  4. starting substance
  5. number written in front of a reactant or product
  6. reaction a chemical reaction in which two or more substances react to produce a single product
Down
  1. Reaction atoms are replaced with another element in a compound
  2. reaction oxygen combines in this way with many different substances making combustion reactions more common
  3. a solid produced during a chemical reaction

9 Clues: starting substance • substances formed during the reaction • a solid produced during a chemical reaction • number written in front of a reactant or product • Reaction atoms are replaced with another element in a compound • Reaction single compound breaks down into two or more elements or new compounds • ...

7th Grade Science Chapter 6 Terms 2016-01-05

7th Grade Science Chapter 6 Terms crossword puzzle
Across
  1. A substance that is made from a chemical reaction.
  2. Molecules of only Hydrogen and Carbon.
  3. A solid that is formed in a chemical reaction.
  4. A reaction that releases heat and feels hotter.
  5. Something that speeds up a reaction but does not change in the reaction.
Down
  1. A reaction that absorbs heat and feels colder.
  2. A substance that under goes a change in a reaction.
  3. A reaction where matter stays the same but can change in size shape or appearance.
  4. A reaction where matter changes to a different kind of matter or to a different color.
  5. Something that can dissolved.

10 Clues: Something that can dissolved. • Molecules of only Hydrogen and Carbon. • A reaction that absorbs heat and feels colder. • A solid that is formed in a chemical reaction. • A reaction that releases heat and feels hotter. • A substance that is made from a chemical reaction. • A substance that under goes a change in a reaction. • ...

Jack G. 4.1.3 2024-02-07

Jack G. 4.1.3 crossword puzzle
Across
  1. Cause of denaturation
  2. __________ energy is lowered by enzymes
  3. Enzymes are
  4. Point of temp where the enzyme functions best
  5. The substrate and enzyme must ____ to bind.
  6. The molecule that the enzyme acts on
  7. Cause of denaturation
  8. Increase in the temperature raises the _______ energy
  9. Enzymes are proteins made of
  10. Enzymes control this aspect of chemical reaction
  11. Enzymes can _____ molecules through anabolic reactions
  12. Process that changes the substrate
  13. Unfolding of an enzyme; no longer works
  14. Enzymes typically end in ___
Down
  1. What is left when catalysis is finished
  2. Block active sites
  3. Hypothesis that helps explain enzyme functioning
  4. Point of pH where the enzyme functions best
  5. Denaturation can be __________.
  6. Proteins that speed up chemical reactions by reducing activation energy
  7. Catobolic reaction causes the enzyme to _____ molecules
  8. Where the chemical reaction occurs, enzyme binds with the substrate
  9. Enzymes can be
  10. Molecules that speed up reactions
  11. Enzymes are more likely to collide at higher temperatures

25 Clues: Enzymes are • Enzymes can be • Block active sites • Cause of denaturation • Cause of denaturation • Enzymes are proteins made of • Enzymes typically end in ___ • Denaturation can be __________. • Molecules that speed up reactions • Process that changes the substrate • The molecule that the enzyme acts on • What is left when catalysis is finished • ...

Chemistry 2025-04-09

Chemistry crossword puzzle
Across
  1. another name for a positive ion
  2. a regular arrangement of particles
  3. liquid to solid
  4. poor heat and electricity conductor
  5. A compound found between oxygen & other elements
  6. does not react
  7. not harmful to healths
  8. breaks easily when stuck
  9. doesnt react easily
  10. reacts with substances it comes into contact with
  11. solid to liquid
  12. a soluble base
  13. The center part of an atom, made up of protons and neutrons
  14. reusing resources
  15. will dissolve in a solvent
  16. group 1 of the periodic table
Down
  1. how fast a reaction is
  2. ion with a negative charge
  3. harmful to healths
  4. another term for heat
  5. a starting chemical for a reaction
  6. ion with a positive charge
  7. gives out heat energy
  8. a gradual change
  9. an insoluble chemical produced during a chemical reaction
  10. has no charge
  11. another name for a negative ion
  12. made up of molecules
  13. burns easily
  14. solutes dissolve in it

30 Clues: burns easily • has no charge • does not react • a soluble base • liquid to solid • solid to liquid • a gradual change • reusing resources • harmful to healths • doesnt react easily • made up of molecules • another term for heat • gives out heat energy • how fast a reaction is • not harmful to healths • solutes dissolve in it • breaks easily when stuck • ion with a negative charge • ...

Chemical Magic Crossword Puzzle!:) 2023-12-05

Chemical Magic Crossword Puzzle!:) crossword puzzle
Across
  1. a type of chemical reaction that turns metals brown
  2. when chemicals interact to form new chemicals
  3. a particle of matter
  4. the gooey substance that moves around in a lava lamp
  5. state of matter that has no fixed shape or volume
Down
  1. the smallest building block of matter
  2. what happens to a match when you swipe it on a matchbox
  3. anything that has mass and takes up space
  4. a type of chemical reaction that makes desserts and treats rise in the oven using heat
  5. state of matter that contains it's own shape and volume
  6. sometimes a room decoration, a chemical reaction inside of a glass bottle
  7. state of matter that flows and takes shape of container
  8. a type of chemical reaction that heats up food on a stovetop or in an oven

13 Clues: a particle of matter • the smallest building block of matter • anything that has mass and takes up space • when chemicals interact to form new chemicals • state of matter that has no fixed shape or volume • a type of chemical reaction that turns metals brown • the gooey substance that moves around in a lava lamp • what happens to a match when you swipe it on a matchbox • ...

chemistry crossword 2017-11-10

chemistry crossword crossword puzzle
Across
  1. chemical combination of two or more elements in a specific ratio
  2. a table in which the elements are organized by their physical and chemical properties
  3. a reaction that takes place when two or more substances react to form new substances
  4. positively charged center of an atom;contains protons and neutrons
  5. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  6. substance that strongly resists the flow of electricity
  7. property that describes the physical appearance and composition of a substance
  8. the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  9. element that has both metallic and non-metallic properties
Down
  1. a material that electric charge can move through easily
  2. catalyst involved in chemical reactions in living things
  3. change in the appearance or state of a substance that does not change the composition
  4. that have a density of 5 or higher e.g., copper, zinc, lead, mercury, cadmium,nickel heavy metals are one type of substance monitored to determine water quality
  5. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  6. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  7. the sum of the number of protons and neutrons in an atom
  8. atom that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion is an atom that has gained on
  9. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  10. invisible negatively charged particle that orbits the nucleus of an atom
  11. substance that helps a chemical reaction to proceed more quickly
  12. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  13. an experiment in which one or more products of a chemical reaction can escape
  14. new substance produced in a chemical reaction between reactants
  15. neutral particle in the nucleus of an atom
  16. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy

25 Clues: neutral particle in the nucleus of an atom • a material that electric charge can move through easily • substance that strongly resists the flow of electricity • catalyst involved in chemical reactions in living things • the sum of the number of protons and neutrons in an atom • element that has both metallic and non-metallic properties • ...

Chem vocab 2023-03-28

Chem vocab crossword puzzle
Across
  1. how many of each chemical
  2. chemicals produced from a reaction
  3. a mathematical relationship or rule expressed in symbols.
  4. chemicals that react with eachother
  5. the relation in quantity, amount, or size between 2 or more things: proportion
  6. energy is released/lost/given out
  7. 6.022× 10^23
  8. requires fuel and oxygen, creates carbon dioxide and water
  9. the solid that forms as the result of a chemical reaction
  10. the relative amount of a given substance contained within a solution or in a particular volume of space; the amount of solute per unit volume of solution.
  11. sticks to water
  12. describes a bond or a molecule
  13. how many of each element in each chemical
Down
  1. between, among molecules
  2. moles/liters
  3. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
  4. does not stick to water
  5. shows directions electrons are being pulled
  6. the ability to be dissolved, especially in water.
  7. energy is absorbed/gained/taken in

20 Clues: moles/liters • 6.022× 10^23 • sticks to water • does not stick to water • between, among molecules • how many of each chemical • describes a bond or a molecule • energy is released/lost/given out • chemicals produced from a reaction • energy is absorbed/gained/taken in • chemicals that react with eachother • how many of each element in each chemical • ...

Science Final 2023-05-30

Science Final crossword puzzle
Across
  1. Increases the rate of a chemical reaction
  2. For every action there is an equal and opposite reaction
  3. Objects in motion stay in motion and objects at rest stay in rest unless acted upon by an external force
  4. A formation of chemicals ordered by there atomic numbers
  5. The genetic Features of a human
  6. The number of atoms in a element small number
  7. One less chromosome or
  8. The Energy of an object in motion
  9. The blueprint Of genetic information
  10. The physical features of a Human
  11. A cold air mass
  12. Karyotypes of a man
Down
  1. Determines the Chemical element and its place in the periodic table
  2. The energy required to start a chemical reaction
  3. Acceleration depends on the force and mass of the object
  4. A Warm air mass
  5. The energy stored in an object at rest
  6. Three less chromosome's
  7. How fast an object is moving
  8. Carry's genetic info
  9. How many molecules of that element there is Big Number
  10. Karyotypes of A woman

22 Clues: A Warm air mass • A cold air mass • Karyotypes of a man • Carry's genetic info • Karyotypes of A woman • One less chromosome or • Three less chromosome's • How fast an object is moving • The genetic Features of a human • The physical features of a Human • The Energy of an object in motion • The blueprint Of genetic information • The energy stored in an object at rest • ...

Chemistry 2024-04-22

Chemistry crossword puzzle
Across
  1. the movement of gas molecules from an area of higher concentration to lower concentration
  2. larger gases move_____
  3. _____ can never change at the same time as pressure
  4. smaller gases move_______
  5. Donates one proton per molecule
  6. Citrus juice is a_______
  7. breaking bonds requires______
  8. a substance that speeds up chemical reactions without undergoing any chemical changes
  9. A device used to measure the energy absorbed or released as heat in a chemical reaction
Down
  1. transition directly from a solid to a gas
  2. Donates more than one proton per molecule
  3. if a reaction absorbs energy it is_________
  4. Biological catalysts that speed up the rate of reactions in the body
  5. transition directly from a gas to a solid
  6. Bleach is a_______
  7. the total amount of energy
  8. the change in heat of the products from the reactants
  9. if a reaction releases energy it is__________
  10. the temperature and pressure at which the solid, liquid, and gas forms of a substance coexist
  11. diffusion through a tiny opening

20 Clues: Bleach is a_______ • larger gases move_____ • Citrus juice is a_______ • smaller gases move_______ • the total amount of energy • breaking bonds requires______ • Donates one proton per molecule • diffusion through a tiny opening • transition directly from a solid to a gas • Donates more than one proton per molecule • transition directly from a gas to a solid • ...

Carson Schwartz Unit 2 2025-03-24

Carson Schwartz Unit 2 crossword puzzle
Across
  1. The product of Molecules put together
  2. hates water
  3. only allows certain molecules in and out
  4. what you get when the chemical reaction takes place
  5. The product of cells put together
  6. molecules naturally move away from each other
  7. speeds up the time it takes for the Activation energy to start the chemical reaction
  8. Diffusion of water across the membrane
  9. when cells spread energy to move molecules across the membrane
  10. The whole body with the organ system
  11. The product of atoms put together
  12. The product of Organelles put together
Down
  1. a special region on the enzyme
  2. The product of organs put together
  3. Energy needed to start a chemical reaction
  4. movement across the membrane that doesn't take ATP
  5. Fits into the enzymes active site
  6. loves water
  7. when the active site changes
  8. The smallest unit of what things are made of
  9. a molecule that contains one hydrophilic and two hydrophobic tails
  10. The product of tissue put together

22 Clues: hates water • loves water • when the active site changes • a special region on the enzyme • Fits into the enzymes active site • The product of cells put together • The product of atoms put together • The product of organs put together • The product of tissue put together • The whole body with the organ system • The product of Molecules put together • ...

Properties 2025-09-04

Properties crossword puzzle
Across
  1. – mass per unit volume of a substance
  2. – ability to be hammered into thin sheets
  3. – ability to return to original shape after stretching
  4. – ability to cause harm to living things
  5. – gradual destruction by chemical reaction
  6. – ability to accept hydrogen ions (H⁺)
  7. – ability to transfer heat or electricity
  8. – resistance of a liquid to flow
  9. – ability to be stretched into wires
  10. – the appearance or shade of a substance
  11. – resistance to chemical change
  12. – dulling of a surface due to chemical reaction
Down
  1. – how a surface feels (rough, smooth, soft, etc.)
  2. – resistance to being scratched
  3. – ability to catch fire and burn
  4. – ability to interact with other substances
  5. – ability to dissolve in another substance
  6. – ability to be attracted to a magnet
  7. – reaction with oxygen, often forming rust
  8. – ability to donate hydrogen ions (H⁺)
  9. – ability to burn in the presence of oxygen
  10. – the smell of a substance
  11. – how a surface reflects light (shiny or dull)

23 Clues: – the smell of a substance • – resistance to being scratched • – resistance to chemical change • – ability to catch fire and burn • – resistance of a liquid to flow • – ability to be stretched into wires • – mass per unit volume of a substance • – ability to be attracted to a magnet • – ability to donate hydrogen ions (H⁺) • – ability to accept hydrogen ions (H⁺) • ...

Science Unit 3 Topics 1-3 Crossword 2013-12-08

Science Unit 3 Topics 1-3 Crossword crossword puzzle
Across
  1. the process whereby chemicals accumulate in the tissues of organism along the food chain
  2. a spray that controls “fungus pests”
  3. a spray that controls “pests”
  4. an example of nutrients that the human body cannot make itself and must get from food
  5. a mineral that the body requires in the amount of less than 100mg/day in order to maintain health
  6. rain or snow containing acid compounds from the air
  7. a spray that controls “insects
  8. paper saturated with a chemical to show whether a substance is acidic or basic
  9. a chemical that produces a basic substance, having a pH value of more than 7
Down
  1. special protein molecules that regulate chemical reactions in living organisms
  2. a living organism whose state is indicative of conditions in a particular environment
  3. a chemical that produces an acidic substance, having a pH value of less than 7
  4. a chemical reaction in which oxygen combines with other elements to form new substances
  5. a chemical that produces a basic substance, having a pH value of more than 7
  6. a spray that controls “weeds”
  7. a mineral that the body requires in the amount of 100mg/day or more in order to maintain health
  8. a chemical that changes colour to indicate whether a substance is an acid or a base
  9. a substance that speeds up a chemical reaction without being used up in a reaction
  10. a way of comparing the relative acidity or alkalinity of a substance

19 Clues: a spray that controls “pests” • a spray that controls “weeds” • a spray that controls “insects • a spray that controls “fungus pests” • rain or snow containing acid compounds from the air • a way of comparing the relative acidity or alkalinity of a substance • a chemical that produces a basic substance, having a pH value of more than 7 • ...

ch13 Andrew canfield 2018-03-09

ch13 Andrew canfield crossword puzzle
Across
  1. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction.
  2. The reacting substances in a chemical reaction.
  3. A measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration.
  4. The minimum energy required in order for a chemical reaction to proceed.
  5. A reaction between an acid and a base.
Down
  1. Matter is neither created nor destroyed during a chemical reaction; atoms are merely rearranged, without any apparent loss or gain of mass, to form new molecules.
  2. One half of an oxidation–reduction reaction, represented by an equation showing electrons as either reactants or products.
  3. Description of a chemical reaction in which there is a net release of energy.
  4. A rapid exothermic oxidation–reduction reaction between a material and molecular oxygen.
  5. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration.

10 Clues: A reaction between an acid and a base. • The reacting substances in a chemical reaction. • The minimum energy required in order for a chemical reaction to proceed. • Description of a chemical reaction in which there is a net release of energy. • A rapid exothermic oxidation–reduction reaction between a material and molecular oxygen. • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. A decrease in size
  2. A change of state where a liquid changes to a gas at the surface of the liquid
  3. A change of state where a liquid is heated and changes to a gas within the liquid
  4. A change that does not result in a new substance being produced
  5. The substances formed in chemical reactions
  6. Evaporation of solvent from a solution to leave solute behind as crystals
  7. The starting substances in chemical reactions
  8. Any chemical reaction where a substance burns in oxygen to produce light and heat
  9. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
Down
  1. A solid formed during a chemical change
  2. An increase in size
  3. A change of state where a gas is cooled and forms a liquid
  4. The change of state when a solid is heated and forms a liquid
  5. A simple chemical equation where chemicals are represented by their names
  6. A change that results in a new substance being formed
  7. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  8. A change of state from gas to solid
  9. The change of state from liquid to solid

18 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • A change of state where a gas is cooled and forms a liquid • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. An increase in size
  2. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  3. Evaporation of solvent from a solution to leave solute behind as crystals
  4. A change that does not result in a new substance being produced
  5. A change of state where a liquid changes to a gas at the surface of the liquid
  6. The change of state from liquid to solid
Down
  1. A change of state where a liquid is heated and changes to a gas within the liquid
  2. A change of state where a gas is cooled and forms a liquid
  3. A change of state from gas to solid
  4. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  5. The change of state when a solid is heated and forms a liquid
  6. A change that results in a new substance being formed
  7. The substances formed in chemical reactions
  8. A solid formed during a chemical change
  9. A decrease in size
  10. A simple chemical equation where chemicals are represented by their names
  11. The starting substances in chemical reactions
  12. Any chemical reaction where a substance burns in oxygen to produce light and heat

18 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • A change of state where a gas is cooled and forms a liquid • ...

HVAC technicians are certainly pro-ducts 2023-12-08

HVAC technicians are certainly pro-ducts crossword puzzle
Across
  1. (2 words) the process that will create new substances
  2. a chemical reaction will create this
  3. (2 words) letters and numbers showing the types and number of atoms that repeat to make up a substance
  4. a type of matter with the same properties
  5. something that will change in a chemical reaction
Down
  1. a substance that will change in a chemical reaction
  2. repeat to make up a substance
  3. (2 words) an example of what might happen during a chemical reaction
  4. a group of atoms joined together in a particular way
  5. when you haven't practiced something in a little while, you might be a little…
  6. the atom responsible for making Mars dust red
  7. the name of the reddish-brown substance
  8. small units of matter that combine to make up molecules

13 Clues: repeat to make up a substance • a chemical reaction will create this • the name of the reddish-brown substance • a type of matter with the same properties • the atom responsible for making Mars dust red • something that will change in a chemical reaction • a substance that will change in a chemical reaction • a group of atoms joined together in a particular way • ...

Vocab crossword 2024-03-18

Vocab crossword crossword puzzle
Across
  1. a measure of the quantity of moles of a product
  2. a reaction in which one element is substituted for another element in a compound
  3. the process or result of oxidizing or being oxidized
  4. have two ionic compounds that are exchanging anions or cations
  5. a chemical reaction between substances
  6. a reaction in which the functional group of one chemical compound is substituted by another group
Down
  1. occurs when one reactant breaks down into two or more products
  2. Reaction as opposed to a change in physical form
  3. reactant in a chemical reaction that determines the amount of product that is formed
  4. a substance that is not wholly consumed or entirely reacted in a chemical reaction

10 Clues: a chemical reaction between substances • a measure of the quantity of moles of a product • Reaction as opposed to a change in physical form • the process or result of oxidizing or being oxidized • occurs when one reactant breaks down into two or more products • have two ionic compounds that are exchanging anions or cations • ...

BOTC Lecture Chapter 2 2015-05-15

BOTC Lecture Chapter 2 crossword puzzle
Across
  1. Bonding through give and take.
  2. Building-block of nucleic acids.
  3. Covalent, but not sharing equally; H2O.
  4. Elemental matter.
  5. Simplest of sugars.
  6. Makes Hydroxyl ion in H2O; e- donor.
  7. Makes Hydronium ion in H2O; e- acceptor.
  8. Molecules made by living things; lots of C and O.
  9. Bond involving an attraction, but no sharing of e-; molecular hover hand.
  10. Chemical reaction that consumes H2O.
  11. Sub-atomic particle (+).
Down
  1. When atoms hold it together.
  2. Makes chemical bonding possible; valence.
  3. Electrons don't count (2 words; no space).
  4. Nuclear and neutral.
  5. Sharing electrons.
  6. Sugar + protein; cellular ID.
  7. Resists change in pH.
  8. Make bi-layer membranes; amphipathic.
  9. Chemical reaction that makes H2O.
  10. Building-block of proteins.

21 Clues: Elemental matter. • Sharing electrons. • Simplest of sugars. • Nuclear and neutral. • Resists change in pH. • Sub-atomic particle (+). • Building-block of proteins. • When atoms hold it together. • Sugar + protein; cellular ID. • Bonding through give and take. • Building-block of nucleic acids. • Chemical reaction that makes H2O. • Makes Hydroxyl ion in H2O; e- donor. • ...

Chemistry crossword puzzle 2023-10-12

Chemistry crossword puzzle crossword puzzle
Across
  1. The end result of a chemical reaction.
  2. A chemical reaction in which a single element replaces another element in a compound.
  3. A chemical reaction in which two or more substances combine to form a new compound.
  4. A chemical reaction that involves a substance combining with oxygen to produce heat and light.
  5. A reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
  6. The order of reactivity of metals, showing which metals can displace others in a reaction.
Down
  1. A process that involves rearrangement of the molecular or ionic structure of a substance
  2. A reaction in which heat is added and a single compound breaks down into two or more simpler substances.
  3. The starting materials in a chemical reaction.

9 Clues: The end result of a chemical reaction. • The starting materials in a chemical reaction. • A chemical reaction in which two or more substances combine to form a new compound. • A chemical reaction in which a single element replaces another element in a compound. • A process that involves rearrangement of the molecular or ionic structure of a substance • ...

7th Grade Science Chapter 6 Terms 2016-01-05

7th Grade Science Chapter 6 Terms crossword puzzle
Across
  1. A substance that is made from a chemical reaction.
  2. Molecules of only Hydrogen and Carbon.
  3. A solid that is formed in a chemical reaction.
  4. A reaction that releases heat and feels hotter.
  5. Something that speeds up a reaction but does not change in the reaction.
Down
  1. A reaction that absorbs heat and feels colder.
  2. A substance that under goes a change in a reaction.
  3. A reaction where matter stays the same but can change in size shape or appearance.
  4. A reaction where matter changes to a different kind of matter or to a different color.
  5. Something that can dissolved.

10 Clues: Something that can dissolved. • Molecules of only Hydrogen and Carbon. • A reaction that absorbs heat and feels colder. • A solid that is formed in a chemical reaction. • A reaction that releases heat and feels hotter. • A substance that is made from a chemical reaction. • A substance that under goes a change in a reaction. • ...

Chemical Reactions 2023-02-27

Chemical Reactions crossword puzzle
Across
  1. Starts a chemical reaction.
  2. Involve observable changes.
  3. Tells us how many of each atom is in the compound.
  4. Absorbs Energy.
  5. Mass is neither created nor destroyed during chemical reactions.
  6. A short easy way to show a chemical reaction using symbols instead of words.
Down
  1. Releases Energy.
  2. Can exchange energy and matter vs just energy.
  3. Multiply this number by all the subscripts in the formula.
  4. What you end with.
  5. What you start with.
  6. A solid formed in a chemical reaction that is different from either of the reactants.

12 Clues: Absorbs Energy. • Releases Energy. • What you end with. • What you start with. • Starts a chemical reaction. • Involve observable changes. • Can exchange energy and matter vs just energy. • Tells us how many of each atom is in the compound. • Multiply this number by all the subscripts in the formula. • Mass is neither created nor destroyed during chemical reactions. • ...

Thermochemistry 2014-04-29

Thermochemistry crossword puzzle
Across
  1. / Unit of energy needed to increase the temperature by 1 degree
  2. Energy / Energy due to motion
  3. of Conservation of Energy / Law that you cannot destroy or create energy
  4. / Study of energy transfer in the form of heat during chemical reactions and physical changes
  5. / Reaction that absorbs heat and feels hot
  6. heat of Fusion / Amount of energy as heat required to change 1 molecule of substance from solid to liquid
  7. (heat) of combustion / Energy released as heat by combustion of a specific amount of a substance at constant pressure or volume
  8. Energy / Stored energy
  9. / Energy transferred because of molecular movement that deals with the amount and type of molecules
  10. / Reaction that releases heat and feels cold
  11. heat / The quantity of heat required to raise a unit mass of homogeneous material 1 degree Celsius
Down
  1. / Device used to measure the energy as heat absorbed or released in chemical/physical change
  2. / Science or act of measuring changes in chemical reactions
  3. / Measure of molecular movement
  4. / Ability to do work
  5. Heat of Vaporization / Amount of energy as heat required to convert liquid to gas
  6. / Unit of work or energy
  7. Potential Energy / Form of potential energy that can be absorbed or released during a chemical reaction

18 Clues: / Ability to do work • Energy / Stored energy • / Unit of work or energy • Energy / Energy due to motion • / Measure of molecular movement • / Reaction that absorbs heat and feels hot • / Reaction that releases heat and feels cold • / Science or act of measuring changes in chemical reactions • / Unit of energy needed to increase the temperature by 1 degree • ...

Chapter 3 Vocab Crossword 2019-04-02

Chapter 3 Vocab Crossword crossword puzzle
Across
  1. What is left after the enzyme binds with the substrate
  2. A measure of how acidic or basic something is on a scale of 1-14 with 1 being most acidic, 7 being neutral, and 14 being most basic
  3. To prevent an enzyme from working in the normal manner
  4. An enzyme that is attached to an inert, insoluble substance. Can provide increased resistance to changes in conditions
  5. The reaction product inhibits the enzyme activity
  6. The maximum rate of reaction when the enzyme is saturated with substrate
  7. The substance on which an enzyme acts
  8. Operating within the cell
  9. The temperature at which any specific reaction or process is best carried out
  10. The pH level at which a specific enzyme can work most effectively
  11. Protein molecules that act as biological catalysts
Down
  1. An enzyme inhibitor which does not prevent the enzyme from functioning properly permanently
  2. The minimum energy required to allow a certain chemical reaction to occur
  3. A molecule which speeds up a chemical reaction
  4. A region on an enzyme that binds to a protein or other substance during a reaction.
  5. The inhibitor binds to the enzyme's active site and prevents the substrate from binding, stops the reaction from happening
  6. Something which prevents an enzyme from working in the normal manner
  7. A process that uses the conditions of one component to regulate the function of the other. It is done to either increase or dampen the change in the system.
  8. To alter the structure of a protein by breaking bonds
  9. Operating outside of the cell
  10. The number of chemical conversions of the substrate molecules per second at a catalytic site for a given enzyme concentration

21 Clues: Operating within the cell • Operating outside of the cell • The substance on which an enzyme acts • A molecule which speeds up a chemical reaction • The reaction product inhibits the enzyme activity • Protein molecules that act as biological catalysts • To alter the structure of a protein by breaking bonds • What is left after the enzyme binds with the substrate • ...

Elements of Photosynthesis 2024-01-27

Elements of Photosynthesis crossword puzzle
Across
  1. energy stored in the bonds of atoms (2 Words)
  2. an organelle that hold chlorophyll
  3. result of a chemical reaction
  4. components needed for a chemical reaction
Down
  1. _____ is converted into chemical energy during photosynthesis(2 words)
  2. green pigment that captures sunlight
  3. a sugar
  4. a gas that plants produce
  5. H2O
  6. a chemical reaction to make food

10 Clues: H2O • a sugar • a gas that plants produce • result of a chemical reaction • a chemical reaction to make food • an organelle that hold chlorophyll • green pigment that captures sunlight • components needed for a chemical reaction • energy stored in the bonds of atoms (2 Words) • _____ is converted into chemical energy during photosynthesis(2 words)

Ch 13 B1 Mia Cassady 2019-03-05

Ch 13 B1 Mia Cassady crossword puzzle
Across
  1. A chemical that accepts a hydrogen ion
  2. A substance that lowers the activation energy of a chemical reaction
  3. reaction A net absorption of energy
  4. energy The amount of energy required to pull two bonded atoms apart
  5. Reaction One or more new compounds are formed as a result of the rearrangement of atoms
Down
  1. rate How quickly the concentration of reactants decreases and how quickly the concentration of products increases
  2. reaction A net release of energy
  3. behaves as an acid or a base
  4. A chemical that donates a hydrogen ion
  5. of mass conservation No atoms are gained or lost during any reaction

10 Clues: behaves as an acid or a base • reaction A net release of energy • reaction A net absorption of energy • A chemical that accepts a hydrogen ion • A chemical that donates a hydrogen ion • A substance that lowers the activation energy of a chemical reaction • energy The amount of energy required to pull two bonded atoms apart • ...

Science 2013-12-19

Science crossword puzzle
Across
  1. When two or more elements or compounds combine to make a more complex substance
  2. Is the amonut os a substance in a given volume
  3. Solid that forms from a solution during a chemical reaction
  4. It can be observed without changing a substance into another substance
  5. Is a material that releases energy when it bruns
  6. The minimum amount of energy needed to start a chemical reaction
  7. A material used to decrase the rate of a reaction
  8. Breaks down compounds into simpler products
  9. Matter is not allowed to enter or leave
  10. A rapid reaction between oxygen and a substance called a fuel
  11. Is a material that increases the rate of a reaction by lowering the activation energy
  12. Has mass and take up space
Down
  1. The cells of the body (as in all living things) contain biological catalysts
  2. Is any change of alters
  3. When one element replaces another in a compound
  4. Substance that describes its abilty to change into other substance
  5. When the reaction is complete, you have a substance
  6. Matter can enter from or escape to the surroundings
  7. The study of matter and how it changes
  8. The substance you have at the beginning

20 Clues: Is any change of alters • Has mass and take up space • The study of matter and how it changes • The substance you have at the beginning • Matter is not allowed to enter or leave • Breaks down compounds into simpler products • Is the amonut os a substance in a given volume • When one element replaces another in a compound • Is a material that releases energy when it bruns • ...

Energetics 2022-02-22

Energetics crossword puzzle
Across
  1. The energy held by an object due to its motion/movement
  2. An instrument used in measuring the heat of chemical reactions
  3. An exothermic process creating connections between molecules
  4. the energy required to raise the temperature of one gram of a compound by a degree
  5. The energy held by an object due to its position or state
  6. Energy transferred between systems/ molecules
  7. The energy stored in the bonds between molecules
Down
  1. The amount of energy lost or gained in a system
  2. Any molecule containing a pair or more of electrons in the valence shell capable of independent existence
  3. A reaction that absorbs heat/energy from its surroundings
  4. the internal energy of reactant or product
  5. The minimum energy needed to continue a reaction
  6. The compounds/elements produced after a reaction
  7. The reactions that are taken to reach a specific end result
  8. The sum of a systems internal energy
  9. A chemical equation that includes the enthalpy change
  10. The reaction between a reactant and oxygen
  11. An endothermic process breaking the connection between molecules
  12. The compounds/elements that are used in a reaction
  13. A reaction that releases heat/energy into its surroundings

20 Clues: The sum of a systems internal energy • the internal energy of reactant or product • The reaction between a reactant and oxygen • Energy transferred between systems/ molecules • The amount of energy lost or gained in a system • The minimum energy needed to continue a reaction • The compounds/elements produced after a reaction • ...

Chemistry Vocabulary 2018-12-13

Chemistry Vocabulary crossword puzzle
Across
  1. a slow chemical change when oxygen reacts with metal.
  2. combination of symbols that represent a compound
  3. when two or more chemicals react to form a new substance.
  4. experiments where material can escape
  5. shows how many protons are in the nucleus of one atom in the element.
  6. amu for short.
  7. _______________ are formed when non-metals combine.
  8. a reaction that absorbs heat energy.
  9. an organized table of the elements
  10. a fast reaction that occurs when oxygen reacts with a substance.
  11. had a model that showed the atom looking like a solar system
  12. believed matter was made up of water,fire,earth, and air
  13. most stable and nonreactive elements in the periodic table.
  14. liquid,gas,solid
  15. new materials produce after the reaction.
Down
  1. a reaction that releases heat energy.
  2. chemical reaction that takes place in the cells in your body
  3. _______ are shiny, malleable and ductile.
  4. the mass of one atom in an element
  5. colour,lustre,hardness
  6. _____________ are formed when a non-metal and metal combine.
  7. anything that has mass and occupies space.
  8. experiments where no material can escape
  9. a substance that can't be simplified.
  10. the materials at the start of a reaction.

25 Clues: amu for short. • liquid,gas,solid • colour,lustre,hardness • the mass of one atom in an element • an organized table of the elements • a reaction that absorbs heat energy. • a reaction that releases heat energy. • experiments where material can escape • a substance that can't be simplified. • experiments where no material can escape • _______ are shiny, malleable and ductile. • ...

Unit 2: Thermochemistry 2025-03-20

Unit 2: Thermochemistry crossword puzzle
Across
  1. Heat The amount of heat needed to raise the temperature of one gram of a substance by one degree Celsius
  2. A process where chemical substances are transformed
  3. The part of the universe under study in thermochemistry
  4. The SI unit of energy
  5. Function A property that depends only on the state of a system, not the path taken
  6. The heat content of a system at constant pressure
  7. Energy transfer that results from a force acting over a distance
  8. The capacity to do work or produce heat
  9. Free Energy Determines whether a reaction is spontaneous
  10. A device used to measure heat changes in a system
  11. A reaction that absorbs heat from the surroundings
  12. Everything outside the system in thermochemistry
  13. A measure of the disorder or randomness in a system
Down
  1. Energy transfer due to a temperature difference
  2. Law States that the total enthalpy change of a reaction is the sum of individual steps
  3. A process that occurs without outside intervention
  4. A measure of the average kinetic energy of particles
  5. A reaction that releases heat to the surroundings
  6. Energy The energy required to break a chemical bond
  7. A reaction in which a substance reacts with oxygen to release heat

20 Clues: The SI unit of energy • The capacity to do work or produce heat • Energy transfer due to a temperature difference • Everything outside the system in thermochemistry • The heat content of a system at constant pressure • A reaction that releases heat to the surroundings • A device used to measure heat changes in a system • ...

Science 2013-12-19

Science crossword puzzle
Across
  1. A material used to decrase the rate of a reaction
  2. Substance that describes its abilty to change into other substance
  3. Breaks down compounds into simpler products
  4. The minimum amount of energy needed to start a chemical reaction
  5. Is any change of alters
  6. The substance you have at the beginning
  7. When one element replaces another in a compound
  8. Is the amonut os a substance in a given volume
  9. When two or more elements or compounds combine to make a more complex substance
  10. A rapid reaction between oxygen and a substance called a fuel
  11. Solid that forms from a solution during a chemical reaction
  12. Has mass and take up space
Down
  1. The study of matter and how it changes
  2. It can be observed without changing a substance into another substance
  3. The cells of the body (as in all living things) contain biological catalysts
  4. Matter can enter from or escape to the surroundings
  5. When the reaction is complete, you have a substance
  6. Matter is not allowed to enter or leave
  7. Is a material that releases energy when it bruns
  8. Is a material that increases the rate of a reaction by lowering the activation energy

20 Clues: Is any change of alters • Has mass and take up space • The study of matter and how it changes • Matter is not allowed to enter or leave • The substance you have at the beginning • Breaks down compounds into simpler products • Is the amonut os a substance in a given volume • When one element replaces another in a compound • Is a material that releases energy when it bruns • ...

Energetics 2022-02-22

Energetics crossword puzzle
Across
  1. The reactions that are taken to reach a specific end result
  2. The amount of energy lost or gained in a system
  3. The energy held by an object due to its position or state
  4. A reaction that releases heat/energy into its surroundings
  5. A chemical equation that includes the enthalpy change
  6. An exothermic process creating connections between molecules
  7. The compounds/elements produced after a reaction
  8. The minimum energy needed to continue a reaction
Down
  1. The compounds/elements that are used in a reaction
  2. An instrument used in measuring the heat of chemical reactions
  3. An endothermic process breaking the connection between molecules
  4. the energy required to raise the temperature of one gram of a compound by a degree
  5. the internal energy of reactant or product
  6. The energy held by an object due to its motion/movement
  7. The energy stored in the bonds between molecules
  8. Any molecule containing a pair or more of electrons in the valence shell capable of independent existence
  9. Energy transferred between systems/ molecules
  10. A reaction that absorbs heat/energy from its surroundings
  11. The sum of a systems internal energy
  12. The reaction between a reactant and oxygen

20 Clues: The sum of a systems internal energy • the internal energy of reactant or product • The reaction between a reactant and oxygen • Energy transferred between systems/ molecules • The amount of energy lost or gained in a system • The energy stored in the bonds between molecules • The compounds/elements produced after a reaction • ...

Energetics 2022-02-22

Energetics crossword puzzle
Across
  1. The energy held by an object due to its motion/movement
  2. An instrument used in measuring the heat of chemical reactions
  3. An exothermic process creating connections between molecules
  4. the energy required to raise the temperature of one gram of a compound by a degree
  5. The energy held by an object due to its position or state
  6. Energy transferred between systems/ molecules
  7. The energy stored in the bonds between molecules
Down
  1. The amount of energy lost or gained in a system
  2. Any molecule containing a pair or more of electrons in the valence shell capable of independent existence
  3. A reaction that absorbs heat/energy from its surroundings
  4. the internal energy of reactant or product
  5. The minimum energy needed to continue a reaction
  6. The compounds/elements produced after a reaction
  7. The reactions that are taken to reach a specific end result
  8. The sum of a systems internal energy
  9. A chemical equation that includes the enthalpy change
  10. The reaction between a reactant and oxygen
  11. An endothermic process breaking the connection between molecules
  12. The compounds/elements that are used in a reaction
  13. A reaction that releases heat/energy into its surroundings

20 Clues: The sum of a systems internal energy • the internal energy of reactant or product • The reaction between a reactant and oxygen • Energy transferred between systems/ molecules • The amount of energy lost or gained in a system • The minimum energy needed to continue a reaction • The compounds/elements produced after a reaction • ...

Chemical Reactions Vocab Crossword 2022-02-04

Chemical Reactions Vocab Crossword crossword puzzle
Across
  1. A reaction in which a hydrocarbon combines with oxygen to produce carbon dioxide and water.
  2. A _ speeds up a reaction by lowering the activation energy of a reaction.
  3. The compounds that are combined together to begin a chemical reaction are the _.
  4. When an equation is _, there are an equal number of atoms of each element on the reactants side as there are on the products side.
  5. According to _, atoms must collide with one another in order to react, and they must do so in the correct orientation and with the right amount of energy.
  6. A compound that is formed between a metal and a nonmetal is an _ compound.
  7. Decreasing the volume will speed up a reaction only if both reactants are _.
  8. Changing the _ increases the speed and energy of particles, resulting in more collisions with the appropriate energy.
  9. Some elements are _, meaning they exist in nature as two identical atoms bonded to one another.
  10. To increase the probability of a collision, one could add additional reactants to the reaction vessel, also known as increasing the _.
  11. Atoms must collide with the correct _ and with enough energy for a reaction to occur.
  12. A reaction that takes in energy and makes its surroundings feel colder is called _.
  13. The compounds that are created as a result of a reaction are the _.
Down
  1. A reaction in which one substance breaks down into two or more parts.
  2. To increase the amount of exposed particles available for collisions, the _ should be increased by crushing the reactants.
  3. A compound that is formed solely between nonmetals is a _ compound.
  4. The law of conservation of _ states that mass is never created, nor destroyed.
  5. The amount of energy needed to start a reaction.
  6. The _ tells how many of each atom are in a chemical compound.
  7. The _ indicates how many moles of reactant or product are needed in a balanced equation for a reaction to take place.
  8. An _ compound is one which has been dissolved in water.
  9. The _ number is the total number of electrons that is gained or lost by a neutral atom to form an ionic bond.
  10. A reaction in which multiple elements or compounds combine to create one chemically bonded compound.
  11. The structure that forms while old bonds are breaking and new bonds are forming during a chemical reaction.
  12. A reaction that gives off energy as heat and makes the surroundings hotter is called _.

25 Clues: The amount of energy needed to start a reaction. • An _ compound is one which has been dissolved in water. • The _ tells how many of each atom are in a chemical compound. • A compound that is formed solely between nonmetals is a _ compound. • The compounds that are created as a result of a reaction are the _. • ...

Chemistry crossword 2021-07-12

Chemistry crossword crossword puzzle
Across
  1. Fatty foods become rancid due to the process of __
  2. what type of reaction is represented by digestion in our body
  3. Oxide of which element is used as major ingredient in cement
  4. aqueous solution of sodium chloride is known as?
  5. Equation which doesn't follow the law of conservation of mass
  6. When Carbon Dioxide passes through lime water it turns lime water?
  7. plaster of paris changes to ___ on mixing with wate
  8. hydrogen gas burns with __ sound
  9. ___agent reduces the other reactant and oxidizes itself
  10. oxidation of fats and oils which makes the smell and taste bad is known as?
  11. __ gas is filled in packet of chips to prevent rancidity
Down
  1. Gas evolved when zinc reacts with dilute HCL
  2. What does the symbol (aq) represent in a chemical equation
  3. On heating calcium carbonate turns into calcium __
  4. we should never change __ of formula
  5. white silver chloride changes into ___colour when exposed to sunlight
  6. change in state is ___ reaction
  7. Respiration is example of _ reaction?
  8. PH stands for ___in German meaning power
  9. indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution
  10. brown flake substance acquires on the surface of iron after long exposure to moisture is ?
  11. ___Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound

22 Clues: change in state is ___ reaction • hydrogen gas burns with __ sound • we should never change __ of formula • Respiration is example of _ reaction? • PH stands for ___in German meaning power • Gas evolved when zinc reacts with dilute HCL • aqueous solution of sodium chloride is known as? • Fatty foods become rancid due to the process of __ • ...

Thermal Energy 2021-04-09

Thermal Energy crossword puzzle
Across
  1. power delivered from physical or chemical reaction to produce heat or light
  2. A reaction that absorbs heat
  3. The SI unit of energy
  4. The amount of energy required to change a substance from a solid state to a liquid state
  5. The change from a solid state to a liquid state
  6. A chemical reaction which gives off heat
  7. Amount of heat transferred or absorbed during a chemical reaction
  8. Everything around a system
Down
  1. The change of a gas state to a liquid state
  2. The transition of a solid to a gas without passing through the liquid faze
  3. the measurement of heat flow out of a system during a chemical or physical change.
  4. The amount of energy needed to raise the temperature of one gram of a substance by one degree celsius
  5. The energy needed to raise the temperature/heat up a kilogram of water by one degree Celsius
  6. The change of vapor to a solid by cooling
  7. Components organized that function together as a whole to complete one task
  8. The change of a liquid state to a solid state
  9. The amount of energy required for a liquid to become a gas

17 Clues: The SI unit of energy • Everything around a system • A reaction that absorbs heat • A chemical reaction which gives off heat • The change of vapor to a solid by cooling • The change of a gas state to a liquid state • The change of a liquid state to a solid state • The change from a solid state to a liquid state • The amount of energy required for a liquid to become a gas • ...

CHAPTER 8 2023-11-02

CHAPTER 8 crossword puzzle
Across
  1. represents the reactants and products of a chemical reaction by their symbols or formulas
  2. a substance combines with oxygen, releasing a large amount of energy in the form of light and heat
  3. is a small whole number that appears in front of a formula in a chemical equation
  4. two or more substances combine to form a new compound
  5. one element replaces a similar element in a compound
  6. A solid that is produced as a result of a chemical reaction in solution and that separates from the solution
Down
  1. the ions of two compounds exchange places in an aqueous solution to form two new compounds
  2. a single compound undergoes a reaction that produces two or more simpler substances
  3. is a list of elements organized according to the ease with which the elements undergo certain chemical reactions
  4. an equation in which the reactants and products in a chemical reaction are represented by words
  5. the decomposition of a substance by an electric current is called electrolysis
  6. represents, with symbols and formulas, the identities and relative amounts of the reactants and products in a chemical reaction
  7. is the process by which one or more substances are changed into one or more different substances

13 Clues: one element replaces a similar element in a compound • two or more substances combine to form a new compound • the decomposition of a substance by an electric current is called electrolysis • is a small whole number that appears in front of a formula in a chemical equation • a single compound undergoes a reaction that produces two or more simpler substances • ...

Science 2013-12-19

Science crossword puzzle
Across
  1. Is the amonut os a substance in a given volume
  2. Solid that forms from a solution during a chemical reaction
  3. The substance you have at the beginning
  4. Matter can enter from or escape to the surroundings
  5. Breaks down compounds into simpler products
  6. Substance that describes its abilty to change into other substance
  7. Has mass and take up space
  8. Is any change of alters
  9. The study of matter and how it changes
  10. The cells of the body (as in all living things) contain biological catalysts
  11. When two or more elements or compounds combine to make a more complex substance
  12. Is a material that releases energy when it bruns
  13. When one element replaces another in a compound
Down
  1. The minimum amount of energy needed to start a chemical reaction
  2. When the reaction is complete, you have a substance
  3. It can be observed without changing a substance into another substance
  4. A material used to decrase the rate of a reaction
  5. Is a material that increases the rate of a reaction by lowering the activation energy
  6. Matter is not allowed to enter or leave
  7. A rapid reaction between oxygen and a substance called a fuel

20 Clues: Is any change of alters • Has mass and take up space • The study of matter and how it changes • The substance you have at the beginning • Matter is not allowed to enter or leave • Breaks down compounds into simpler products • Is the amonut os a substance in a given volume • When one element replaces another in a compound • Is a material that releases energy when it bruns • ...

Science 2013-12-19

Science crossword puzzle
Across
  1. Solid that forms from a solution during a chemical reaction
  2. Has mass and take up space
  3. Is a material that increases the rate of a reaction by lowering the activation energy
  4. Is the amonut os a substance in a given volume
  5. Breaks down compounds into simpler products
  6. It can be observed without changing a substance into another substance
  7. The study of matter and how it changes
  8. The substance you have at the beginning
  9. When one element replaces another in a compound
  10. Is a material that releases energy when it bruns
Down
  1. A rapid reaction between oxygen and a substance called a fuel
  2. The minimum amount of energy needed to start a chemical reaction
  3. A material used to decrase the rate of a reaction
  4. Substance that describes its abilty to change into other substance
  5. Matter is not allowed to enter or leave
  6. Is any change of alters
  7. When two or more elements or compounds combine to make a more complex substance
  8. Matter can enter from or escape to the surroundings
  9. When the reaction is complete, you have a substance
  10. The cells of the body (as in all living things) contain biological catalysts

20 Clues: Is any change of alters • Has mass and take up space • The study of matter and how it changes • Matter is not allowed to enter or leave • The substance you have at the beginning • Breaks down compounds into simpler products • Is the amonut os a substance in a given volume • When one element replaces another in a compound • Is a material that releases energy when it bruns • ...

Hanah Tomlinson 2020-01-17

Hanah Tomlinson crossword puzzle
Across
  1. a quantity associated with a thermodynamic system, expressed as the internal energy of a system plus the product of the pressure and volume of the system, having the property that during an isobaric process, the change in the quantity is equal to the heat transferred during the process.
  2. a certain quantity or amount of one thing considered in relation to a unit of another thing and used as a standard or measure.
  3. a substance that causes or accelerates a chemical reaction without itself being affected.
  4. (in chemistry) clustered or gathered together closely.
  5. rapid oxidation accompanied by heat and, usually, light.
  6. electron an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom.
  7. of the deposit that forms on the surface of a metal as it oxidizes.
  8. (on a macroscopic scale) a function of thermodynamic variables, as temperature, pressure, or composition, that is a measure of the energy that is not available for work during a thermodynamic process.
  9. (in chemistry) any substance that undergoes a chemical change in a given reaction.
  10. chandeliers principle stating that if a constraint
  11. surface area the outside part or uppermost layer of something (often used when describing its texture, form, or extent).
Down
  1. a substance that decreases the rate of or stops completely a chemical reaction.
  2. of the combination of ideas to form a theory or system.
  3. the state of being decomposed; decay.
  4. energy the least amount of energy required to activate atoms or molecules to a state in which they can undergo a chemical reaction.
  5. chemistry) a substance obtained from another substance through chemical change.
  6. the quality or property of being soluble; relative capability of being dissolved.
  7. chemical reaction reactants form products that, in turn, react together to give the reactants back.
  8. a measure of the warmth or coldness of an object or substance with reference to some standard value.
  9. any device, material, or apparatus used as a shield, cushion, or bumper, especially on machinery.
  10. the exertion of force upon a surface by an object, fluid, etc., in contact with it:
  11. replacement reaction a reaction in which one element is substituted for another element in a compound.
  12. activated complex that assembly of atoms which corresponds to an arbitrary infinitesimally small region at or near the col of a potential energy surface.

23 Clues: the state of being decomposed; decay. • chandeliers principle stating that if a constraint • (in chemistry) clustered or gathered together closely. • of the combination of ideas to form a theory or system. • rapid oxidation accompanied by heat and, usually, light. • of the deposit that forms on the surface of a metal as it oxidizes. • ...

Unit 1 Vocab 2021-10-14

Unit 1 Vocab crossword puzzle
Across
  1. bond a weak Bond resulting from an electrostatic
  2. The process of adapting
  3. energy measure of the bond strength
  4. dissolves insolvent
  5. no charge bonds between atoms
  6. energy minimum amount of energy required to activate atoms
  7. complex Network which connects biologically relevant entities
  8. dissolves solute
  9. formed from the chemical reaction
  10. acid hydrocarbon chain, with terminal carboxyl group
  11. bond formed by two particles with opposite charge
  12. consists of big molecules
  13. large biomolecules and macromolecules
  14. donate Electronics, accepts protons, or releases OH -
  15. reaction absorbing Heat
  16. change in population over a period of time
  17. instrument for viewing small Objects
  18. variety of life in a habitat
  19. water sticks to other molecules
  20. regions of Earth occupied by living organisms
  21. any individual living thing
  22. changes during chemical reactions
  23. chemical being observed in the reaction
  24. when reactants and products change no more
  25. tendency to keep internal conditions relatively the same
  26. acid complex organic substance, commonly found in DNA
  27. scientific procedure to make discovery
  28. chemical processes that occur in the body that maintain life
Down
  1. educated guess
  2. stats collected for analysis
  3. study of living organisms
  4. variable depends on the independent variable
  5. basic unit of chemistry
  6. bio molecule consisting of carbon, oxygen, and hydrogen
  7. consist of different atoms and molecules
  8. a mixture of 2 + substances
  9. From any class of organic compounds that are fatty acids
  10. bond electrons are shared
  11. acid organic compounds that contain carboxyl and amino
  12. one particular group of living things
  13. determines how acidic or basic a liquid is
  14. consisting of atoms that have same number of protons
  15. variable that you are testing
  16. heredity that is transferred from parent to offspring
  17. variable that is not changed at all
  18. water sticks to water
  19. speeds up a specific reaction in a cell
  20. reaction accompanied with heat
  21. a system of ideas explaining something that is backed by science
  22. reaction process that rearranges the molecular or ionic structure
  23. increases the rate of chemical reaction
  24. carrier of genetic info
  25. molecule or ion that can donate proton
  26. most basic unit of life
  27. use of living things to make for help make products
  28. community of interacting organisms
  29. small molecules that join other molecules to make a big one
  30. particle with charge

58 Clues: educated guess • dissolves solute • dissolves insolvent • particle with charge • water sticks to water • The process of adapting • basic unit of chemistry • carrier of genetic info • most basic unit of life • reaction absorbing Heat • study of living organisms • consists of big molecules • bond electrons are shared • any individual living thing • stats collected for analysis • ...

chemistry crossword 2017-11-13

chemistry crossword crossword puzzle
Across
  1. that have a density of 5 or higher e.g., copper, zinc, lead, mercury, cadmium,nickel heavy metals are one type of substance monitored to determine water quality
  2. positively charged center of an atom;contains protons and neutrons
  3. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  4. a table in which the elements are organized by their physical and chemical properties
  5. atom that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion is an atom that has gained on
  6. property that describes the physical appearance and composition of a substance
  7. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  8. neutral particle in the nucleus of an atom
  9. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  10. the sum of the number of protons and neutrons in an atom
  11. a material that electric charge can move through easily
  12. chemical combination of two or more elements in a specific ratio
  13. the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
Down
  1. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  2. an experiment in which one or more products of a chemical reaction can escape
  3. element that has both metallic and non-metallic properties
  4. change in the appearance or state of a substance that does not change the composition
  5. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  6. substance that strongly resists the flow of electricity
  7. invisible negatively charged particle that orbits the nucleus of an atom
  8. catalyst involved in chemical reactions in living things
  9. substance that helps a chemical reaction to proceed more quickly
  10. a reaction that takes place when two or more substances react to form new substances
  11. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  12. new substance produced in a chemical reaction between reactants

25 Clues: neutral particle in the nucleus of an atom • substance that strongly resists the flow of electricity • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • the sum of the number of protons and neutrons in an atom • element that has both metallic and non-metallic properties • ...

Basic chemistry vocabulary 2018-02-26

Basic chemistry vocabulary crossword puzzle
Across
  1. the smallest unit, consisting of a group of atoms, into which a substance can be divided without a change in its chemical nature
  2. measurement of the level of acid or alkali in a solution or substance. In the pH range of 0 to 14 a reading of below 7 shows an acid and of above 7 shows an alkali.
  3. a substance that takes part in and is changed by a chemical reaction
  4. a substance dissolved in another substance, usually the component of a solution present in the lesser amount.
  5. a liquid with very small pieces of solid matter floating in it; the state of such a liquid
  6. any mixture of liquids that do not normally mix together, such as oil and water
  7. a chemical, usually a liquid, that contains hydrogen and has a pH of less than seven. The hydrogen can be replaced by a metal to form a salt.
Down
  1. a solid substance that has been separated from a liquid in a chemical process
  2. a combination of two or more substances that mix together without any chemical reaction taking place
  3. a substance that makes a chemical reaction happen faster without being changed itself.
  4. a substance formed by a chemical reaction of two or more elements in fixed amounts relative to each other
  5. a liquid in which something is dissolved
  6. a measurement of the power of an atom to combine with others, by the number of hydrogen atoms it can combine with or displace
  7. a substance used to cause a chemical reaction, especially in order to find out if another substance is present
  8. a substance, especially a liquid, that can dissolve another substance

15 Clues: a liquid in which something is dissolved • a substance that takes part in and is changed by a chemical reaction • a substance, especially a liquid, that can dissolve another substance • a solid substance that has been separated from a liquid in a chemical process • any mixture of liquids that do not normally mix together, such as oil and water • ...

Changes in states and chemical reactions 2024-02-27

Changes in states and chemical reactions crossword puzzle
Across
  1. a measure of how easily a substance bursts into flame
  2. a reaction in which energy is absorbed, causing it to get colder
  3. the substances that participate in the reaction
  4. the ability to move heat or electricity
  5. any substance that increases the rate of a reaction without being a part of the reaction
Down
  1. a substance made up of two or more different chemical elements
  2. describes the amount of acid in a substance
  3. the average kinetic energy of atoms or molecules within a substance
  4. water in gas form
  5. a measure of how quickly a material can catch fire
  6. gas to liquid
  7. a measure of how easily a substance undergoes a chemical reaction
  8. a reaction in which energy is released, causing it to get warmer
  9. the substances formed by the reaction

14 Clues: gas to liquid • water in gas form • the substances formed by the reaction • the ability to move heat or electricity • describes the amount of acid in a substance • the substances that participate in the reaction • a measure of how quickly a material can catch fire • a measure of how easily a substance bursts into flame • ...

Chemistry crossword 2021-07-12

Chemistry crossword crossword puzzle
Across
  1. change in state is _______ reaction
  2. Oxide of which element is used as major ingredient in cement
  3. what type of reaction is represented by digestion in our body
  4. hydrogen gas burns with ____ sound
  5. Respiration is example of ___ reaction?
  6. What does the symbol (aq) represent in a chemical equation
  7. we should never change ______ of formula
  8. PH stands for _____in German meaning power
  9. _____agent reduces the other reactant and oxidizes itself
Down
  1. Equation which doesn't follow the law of conservation of mass
  2. plaster of paris changes to _______ on mixing with water
  3. oxidation of fats and oils which makes the smell and taste bad is known as?
  4. ______ gas is filled in packet of chips to prevent rancidity
  5. Gas evolved when zinc reacts with dilute HCL
  6. white silver chloride changes into _____colour when exposed to sunlight
  7. indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution
  8. Fatty foods become rancid due to the process of ____
  9. aqueous solution of sodium chloride is known as?
  10. brown flake substance acquires on the surface of iron after long exposure to moisture is ?
  11. When Carbon Dioxide passes through lime water it turns lime water?
  12. _______Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound
  13. On heating calcium carbonate turns into calcium ______

22 Clues: hydrogen gas burns with ____ sound • change in state is _______ reaction • Respiration is example of ___ reaction? • we should never change ______ of formula • PH stands for _____in German meaning power • Gas evolved when zinc reacts with dilute HCL • aqueous solution of sodium chloride is known as? • Fatty foods become rancid due to the process of ____ • ...

Chapter 13 2020-03-03

Chapter 13 crossword puzzle
Across
  1. In an ___thermic reaction there is a net release of energy.
  2. During a chemical reaction a __________ may form.
  3. Larger ______ ___ will make a chemical reaction go faster.
  4. When reaction and it's reverse act at the same rate.
  5. A+B=AB
  6. In an ___thermic reaction there is a net absorption of energy.
Down
  1. AB+CD=AD+CB
  2. It is difficult to ________ a chemical reaction.
  3. Makes reactions happen faster.
  4. the amount of energy required to pull two bonded atoms apart.

10 Clues: A+B=AB • AB+CD=AD+CB • Makes reactions happen faster. • It is difficult to ________ a chemical reaction. • During a chemical reaction a __________ may form. • When reaction and it's reverse act at the same rate. • Larger ______ ___ will make a chemical reaction go faster. • In an ___thermic reaction there is a net release of energy. • ...

Science 2025-12-19

Science crossword puzzle
Across
  1. protons in an atom
  2. The falling to earth of any form of water
  3. Bubbles,rust, or heat release
  4. A chemical property related to fire
  5. process where one substance changes to another
  6. Result of manufacturing
  7. Positively charged particle in an atom
  8. A result of a combination
  9. A mixture that is not uniform throughout
  10. Types of mixture where components are indistinguishable
Down
  1. Temperature at which a solid becomes liquid
  2. observant trait of matter such as conductivity or malleability
  3. A measure of chemical responsiveness
  4. blocks of matter
  5. change in state, not substance
  6. substances that changes in a chemical reaction
  7. Ability to burn, chemical reaction,
  8. Total kinetic energy of all the particles in a substance
  9. temperature at which a liquid turns to a gas
  10. Currect carrierin a conductor
  11. Two or more atoms bonded
  12. A nucleon without an electric charge
  13. Type of matter made of a single elemnt or compound
  14. The property of being dense
  15. A pure chemical substance

25 Clues: blocks of matter • protons in an atom • Result of manufacturing • Two or more atoms bonded • A result of a combination • A pure chemical substance • The property of being dense • Bubbles,rust, or heat release • Currect carrierin a conductor • change in state, not substance • Ability to burn, chemical reaction, • A chemical property related to fire • ...

Chemical Reactions Unit 2025-02-12

Chemical Reactions Unit crossword puzzle
Across
  1. a substance that cannot be broken down
  2. Reaction when substances interact and form a new substance
  3. the starting substances in a chemical reaction
  4. the smallest particle of a chemical element
  5. the new substance formed in a chemical reaction
  6. when two things are not equal
  7. the small number to the right of a symbol
Down
  1. a solid that forms in a solution
  2. one or two letters to represent an element
  3. when two things are equal
  4. a substance formed of two or more elements
  5. a statement with an "=" in it

12 Clues: when two things are equal • a statement with an "=" in it • when two things are not equal • a solid that forms in a solution • a substance that cannot be broken down • the small number to the right of a symbol • one or two letters to represent an element • a substance formed of two or more elements • the smallest particle of a chemical element • ...

chem 4.1 2021-10-14

chem 4.1 crossword puzzle
Across
  1. The numbers that are placed in fornt of chemical formulas are called?
  2. A substance that undergoes a chemical reaction is called?
  3. When a non-metallic oxide reacts with ___, the product is an acid.
  4. A substance that is formed in a chemical reaction is called?
  5. The law of ____ of mass states that in any chemical reaction, the mass of the products is always equal to the mass of the reactants.
  6. This lists the chemical formula of each reactant on the left, separated by a + sign if more than one reactant is involved, followed by an arrow.
  7. One contributor to acid rain is ___ ___ which forms when sulfur trioxide reacts with water.
Down
  1. A compound breaks down into elements or other compounds.
  2. A balanced __ equation reflects the law of conservations of mass.
  3. When two or more elements or compounds combine to form a new substance.
  4. What identifies the reactants and products of a chemical reaction?
  5. Metal hydroxides belong to a group of compounds called?
  6. When ___ ___ is heated to a high temperature, if forms dinitrogen monoxide & water according.

13 Clues: Metal hydroxides belong to a group of compounds called? • A compound breaks down into elements or other compounds. • A substance that undergoes a chemical reaction is called? • A substance that is formed in a chemical reaction is called? • A balanced __ equation reflects the law of conservations of mass. • ...

science 2012-12-12

science crossword puzzle
Across
  1. we breathe this
  2. two elements chemically bonded
  3. gives out heat
  4. single type of atom
  5. we can use a .... in a reaction
  6. something that reacts with other things
  7. if water cools down it becomes a....
  8. makes up everything
  9. this makes up over 70% of air
  10. this process breaks bonds in compounds
  11. chemical reaction are what we did in....
  12. this attracts some metals
Down
  1. we can write chemical reactions in a ......
  2. a invisible force in magnets
  3. a magnet that can be turned on and off
  4. if water is at room temp it is a .....
  5. if a substance is .......... it emits radiation
  6. two elements mixed
  7. takes in heat
  8. we get burn this to get a white powder

20 Clues: takes in heat • gives out heat • we breathe this • two elements mixed • single type of atom • makes up everything • this attracts some metals • a invisible force in magnets • this makes up over 70% of air • two elements chemically bonded • we can use a .... in a reaction • if water cools down it becomes a.... • a magnet that can be turned on and off • ...

Physical & Chemical Properties and Reactions Vocab 2021-03-12

Physical & Chemical Properties and Reactions Vocab crossword puzzle
Across
  1. A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction
  2. A substance that takes part in and undergoes change during a chemical reaction
  3. the simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically
  4. The process by which one or more substances change to produce one or more different substances
  5. Materials made from one or more natural substances that undergo a chemical process
Down
  1. A substance produced during a chemical reaction
  2. substance A single substance, either an element or a compound, with definite composition and properties
  3. insoluble solid formed from a chemical reaction
  4. The smallest particle of an element; made of electrons, protons, and neutrons
  5. Method or means of changing one or more chemicals or chemical compounds
  6. Large amounts

11 Clues: Large amounts • A substance produced during a chemical reaction • insoluble solid formed from a chemical reaction • Method or means of changing one or more chemicals or chemical compounds • The smallest particle of an element; made of electrons, protons, and neutrons • A substance that takes part in and undergoes change during a chemical reaction • ...

Chemical Reactions 2023-02-27

Chemical Reactions crossword puzzle
Across
  1. Starts a chemical reaction.
  2. Involve observable changes.
  3. Tells us how many of each atom is in the compound.
  4. Absorbs Energy.
  5. Mass is neither created nor destroyed during chemical reactions.
  6. A short easy way to show a chemical reaction using symbols instead of words.
Down
  1. Releases Energy.
  2. Can exchange energy and matter vs just energy.
  3. Multiply this number by all the subscripts in the formula.
  4. What you end with.
  5. What you start with.
  6. A solid formed in a chemical reaction that is different from either of the reactants.

12 Clues: Absorbs Energy. • Releases Energy. • What you end with. • What you start with. • Starts a chemical reaction. • Involve observable changes. • Can exchange energy and matter vs just energy. • Tells us how many of each atom is in the compound. • Multiply this number by all the subscripts in the formula. • Mass is neither created nor destroyed during chemical reactions. • ...

Physical and Chemical Change 2019-11-07

Physical and Chemical Change crossword puzzle
Across
  1. A solid formed during a chemical change
  2. A change that does not result in a new substance being produced
  3. A change that results in a new substance being formed
  4. The substances formed in chemical reactions
  5. The chemical reaction in plants that converts carbon dioxide and water into oxygen and glucose using energy from the sun
  6. A change of state where a liquid changes to a gas at the surface of the liquid
  7. The change of state from liquid to solid
  8. The starting substances in chemical reactions
  9. A simple chemical equation where chemicals are represented by their names
  10. A change of state where a liquid is heated and changes to a gas within the liquid
  11. A decrease in size
Down
  1. Evaporation of solvent from a solution to leave solute behind as crystals
  2. The change of state when a solid is heated and forms a liquid
  3. An increase in size
  4. A change of state where a gas is cooled and forms a liquid
  5. A chemcial reaction that converts oxygen and glucose into water and carbon dioxide while releasing energy.
  6. A change of state from gas to solid
  7. Any chemical reaction where a substance burns in oxygen to produce light and heat

18 Clues: A decrease in size • An increase in size • A change of state from gas to solid • A solid formed during a chemical change • The change of state from liquid to solid • The substances formed in chemical reactions • The starting substances in chemical reactions • A change that results in a new substance being formed • A change of state where a gas is cooled and forms a liquid • ...

chemistry crossword 2017-11-10

chemistry crossword crossword puzzle
Across
  1. that have a density of 5 or higher e.g., copper, zinc, lead, mercury, cadmium,nickel heavy metals are one type of substance monitored to determine water quality
  2. change in the appearance or state of a substance that does not change the composition
  3. atom that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion is an atom that has gained on
  4. a material that electric charge can move through easily
  5. neutral particle in the nucleus of an atom
  6. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  7. the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  8. a table in which the elements are organized by their physical and chemical properties
  9. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  10. an experiment in which one or more products of a chemical reaction can escape
  11. substance that helps a chemical reaction to proceed more quickly
Down
  1. positively charged center of an atom;contains protons and neutrons
  2. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  3. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  4. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  5. catalyst involved in chemical reactions in living things
  6. a reaction that takes place when two or more substances react to form new substances
  7. chemical combination of two or more elements in a specific ratio
  8. invisible negatively charged particle that orbits the nucleus of an atom
  9. substance that strongly resists the flow of electricity
  10. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  11. the sum of the number of protons and neutrons in an atom
  12. property that describes the physical appearance and composition of a substance
  13. new substance produced in a chemical reaction between reactants
  14. element that has both metallic and non-metallic properties

25 Clues: neutral particle in the nucleus of an atom • substance that strongly resists the flow of electricity • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • the sum of the number of protons and neutrons in an atom • element that has both metallic and non-metallic properties • ...

chemistry crossword 2017-11-10

chemistry crossword crossword puzzle
Across
  1. invisible negatively charged particle that orbits the nucleus of an atom
  2. an experiment in which one or more products of a chemical reaction can escape
  3. neutral particle in the nucleus of an atom
  4. element that has both metallic and non-metallic properties
  5. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. new substance produced in a chemical reaction between reactants
  7. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  8. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  9. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  10. a material that electric charge can move through easily
  11. property that describes the physical appearance and composition of a substance
  12. the sum of the number of protons and neutrons in an atom
  13. that have a density of 5 or higher e.g., copper, zinc, lead, mercury, cadmium,nickel heavy metals are one type of substance monitored to determine water quality
Down
  1. catalyst involved in chemical reactions in living things
  2. chemical combination of two or more elements in a specific ratio
  3. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  4. substance that helps a chemical reaction to proceed more quickly
  5. positively charged center of an atom;contains protons and neutrons
  6. change in the appearance or state of a substance that does not change the composition
  7. a table in which the elements are organized by their physical and chemical properties
  8. a reaction that takes place when two or more substances react to form new substances
  9. atom that has become electrically charged because it has lost or gained electrons a positive ion is an atom that has lost one or more electrons a negative ion is an atom that has gained on
  10. substance that strongly resists the flow of electricity
  11. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  12. the smallest part of an element that is representative of that element a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons

25 Clues: neutral particle in the nucleus of an atom • substance that strongly resists the flow of electricity • a material that electric charge can move through easily • catalyst involved in chemical reactions in living things • the sum of the number of protons and neutrons in an atom • element that has both metallic and non-metallic properties • ...

chemical reactions and equations 2021-06-10

chemical reactions and equations crossword puzzle
Across
  1. Materials or substances that start a reaction
  2. A shorter way to show chemical reactions,using symbols instead of words
  3. States that during a chemical reaction,the matter cannot be created or destroyed.So the amount does not change.
  4. Material or substance produced in a reaction
  5. Is a number place in front of a chemical formula or symbol in a chemical equation
  6. In chemistry a one-letter or two-letter set of characters used to identify an element.
Down
  1. A type of reaction where elements in different compounds trade places or when an atom replaces another in a compound
  2. A combination of symbols that represent the elements in a compound
  3. Type of chemical reaction where a large,complex reactant compound breaks down into smaller,simpler products.
  4. Shows the number of a specific atom in a molecule or the ratio of elements in a compound
  5. A type of chemical reaction where two or more smaller reactants combine to form a larger,more complex product.

11 Clues: Material or substance produced in a reaction • Materials or substances that start a reaction • A combination of symbols that represent the elements in a compound • A shorter way to show chemical reactions,using symbols instead of words • Is a number place in front of a chemical formula or symbol in a chemical equation • ...

Chemical Reactions Unit 2025-02-12

Chemical Reactions Unit crossword puzzle
Across
  1. a substance that cannot be broken down
  2. Reaction when substances interact and form a new substance
  3. the starting substances in a chemical reaction
  4. the smallest particle of a chemical element
  5. the new substance formed in a chemical reaction
  6. when two things are not equal
  7. the small number to the right of a symbol
Down
  1. a solid that forms in a solution
  2. one or two letters to represent an element
  3. when two things are equal
  4. a substance formed of two or more elements
  5. a statement with an "=" in it

12 Clues: when two things are equal • a statement with an "=" in it • when two things are not equal • a solid that forms in a solution • a substance that cannot be broken down • the small number to the right of a symbol • one or two letters to represent an element • a substance formed of two or more elements • the smallest particle of a chemical element • ...

CC, CR and Photosynthesis 2025-01-27

CC, CR and Photosynthesis crossword puzzle
Across
  1. the chemical formula for glucose
  2. cellular respiration without oxygen
  3. usable energy produced in cellular respiration
  4. used as energy in photosynthesis
  5. what comes out of a chemical reaction
  6. using the sun's energy to make glucose
  7. the data or what is measured in an experiment
  8. eats other organisms
  9. the site of cellular respiration
Down
  1. the gas produced as a waste product in photosynthesis
  2. mass cannot be created or destroyed only transformed
  3. the burning of fossil fuels
  4. breaks down glucose to produce energy
  5. reactant in photo synthesis, product of respiration
  6. makes it's own food
  7. dead organisms broken down by fungi and bacteria
  8. the plants "food"
  9. Site of photosynthesis
  10. what goes into a chemical reaction
  11. cellular respiration with oxygen

20 Clues: the plants "food" • makes it's own food • eats other organisms • Site of photosynthesis • the burning of fossil fuels • the chemical formula for glucose • used as energy in photosynthesis • cellular respiration with oxygen • the site of cellular respiration • what goes into a chemical reaction • cellular respiration without oxygen • breaks down glucose to produce energy • ...

Matter: Property and Changes 2024-11-19

Matter: Property and Changes crossword puzzle
Across
  1. the energy released when atoms form bonds.
  2. law that states that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction.
  3. the ability of a type of matter to burn easily.
  4. the amount of space a substance takes up.
  5. a process in which atoms of one or more substances rearrange to form one or more new substances.
  6. the mass per unit volume of a substance.
  7. a substance produced by a chemical reaction.
  8. occurs when substances react with oxidizing agents, changing it to a new substance.
  9. the amount of matter in an object.
  10. more energy is released when the products form than is required to break the bonds in the reactants.
Down
  1. a characteristic of matter that can be observed as it changes to a different type of matter.
  2. a number placed in front of an element symbol or chemical formula in an equation.
  3. a change in matter in which the substances that make up the matter change into other substances with different chemical and physical properties.
  4. a starting substance in a chemical reaction.
  5. a characteristic of matter that can be observed or measured without changing the identity of the matter.
  6. more energy is required to break the bonds of the reactants than is released when products form.
  7. occurs when a substance reacts with another substance, changing it into a new substance.

17 Clues: the amount of matter in an object. • the mass per unit volume of a substance. • the amount of space a substance takes up. • the energy released when atoms form bonds. • a starting substance in a chemical reaction. • a substance produced by a chemical reaction. • the ability of a type of matter to burn easily. • ...

Chemistry 2023-04-26

Chemistry crossword puzzle
Across
  1. a substance that makes a transfer of energy possible
  2. A process where heat energy is transmitted through collisions
  3. A reaction that proceeds in one direction only
  4. A substance that takes part in and undergoes change during a reaction
  5. a characteristic of a particular substance that can be observed in a chemical reaction
  6. Observable factors of a reaction
Down
  1. A reaction where part of a reactant replaces another
  2. A small part of matter
  3. When chemical bonds between atoms are formed or broken
  4. A liquid that can dissolve other substances
  5. The substance that a solvent dissolves
  6. Combined things where the individual elements remain distinct
  7. The speed at which the products are formed in a reaction

13 Clues: A small part of matter • Observable factors of a reaction • The substance that a solvent dissolves • A liquid that can dissolve other substances • A reaction that proceeds in one direction only • A reaction where part of a reactant replaces another • a substance that makes a transfer of energy possible • When chemical bonds between atoms are formed or broken • ...

chemistry crossword 2017-11-07

chemistry crossword crossword puzzle
Across
  1. compound that dissolves in water to form a solution with a pH lower than 7
  2. principle that matter is not created or destroyed in a chemical reaction; the mass of the products always equals the mass of the reactants
  3. group 2 elements in the periodic table; their reactivity is not as strong as that of the alkali metals
  4. measure of atomic mass; 1 amu is equal to 1/12 the mass of a carbon 12 atom
  5. chemical combination of two or more elements in a specific ratio
  6. catalyst involved in chemical reactions in living things
  7. chemical reaction that releases energy
  8. an experiment in which all reactants and all products of a chemical reaction are accounted for
  9. slow chemical change that occurs when oxygen in the air reacts with a metal
  10. number of protons in the nucleus of one atom of an element
Down
  1. group 1 elements in the periodic table, not including hydrogen; the most reactive of the metals
  2. description of how a substance interacts with other substances, such as acids;chemical properties are observable only when a chemical change occurs
  3. colourless, odourless gas;produced by incomplete combustion of chemicals containing carbon (e.g. hydrocarbons); major source: motor vehicles
  4. the smallest part of an element that is representative of that element; a neutral particle made up of a nucleus containing protons and neutrons, and in which the number of electrons equals the number of protons
  5. mass mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom; measured in atomic mass units (amu)
  6. change of state from a gas to a liquid
  7. ability of a substance to conduct electricity or heat
  8. a reaction that takes place when two or more substances react to form new substances
  9. change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  10. combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  11. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  12. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  13. change of state from a gas to a solid

23 Clues: change of state from a gas to a solid • change of state from a gas to a liquid • chemical reaction that releases energy • ability of a substance to conduct electricity or heat • catalyst involved in chemical reactions in living things • number of protons in the nucleus of one atom of an element • chemical combination of two or more elements in a specific ratio • ...

Tireni's cross word 2025-12-19

Tireni's cross word crossword puzzle
Across
  1. process where one substance changes to another
  2. A nucleon without an electric charge
  3. Type of matter made of a single elemnt or compound
  4. change in state, not substance
  5. Total kinetic energy of all the particles in a substance
  6. Ability to burn, chemical reaction,
  7. Temperature at which a solid becomes liquid
  8. A result of a combination
  9. A pure chemical substance
  10. observant trait of matter such as conductivity or malleability
  11. A measure of chemical responsiveness
  12. protons in an atom
  13. A mixture that is not uniform throughout
Down
  1. Types of mixture where components are indistinguishable
  2. Result of manufacturing
  3. The falling to earth of any form of water
  4. Positively charged particle in an atom
  5. Two or more atoms bonded
  6. blocks of matter
  7. Currect carrierin a conductor
  8. Bubbles,rust, or heat release
  9. A chemical property related to fire
  10. The property of being dense
  11. temperature at which a liquid turns to a gas
  12. substances that changes in a chemical reaction

25 Clues: blocks of matter • protons in an atom • Result of manufacturing • Two or more atoms bonded • A result of a combination • A pure chemical substance • The property of being dense • Currect carrierin a conductor • Bubbles,rust, or heat release • change in state, not substance • Ability to burn, chemical reaction, • A chemical property related to fire • ...

chemistry 2025-11-17

chemistry crossword puzzle
Across
  1. Collective term for double and triple bond. 〇〇 bond.
  2. Separation of covalent bond. Each atom gaining one electron from the shared pair to form two free radicals.
  3. Separation technique used to separate substances such as ink.
  4. Chemical reaction that absorbs energy (decrease temperature) is called 〇〇 energy.
  5. Name of electrode where reduction occur.
  6. Tendency of a substance to evaporate at normal temperature.
  7. Change in physical states solid to gas.
  8. Some elements have different structural forms(ex.carbon).
  9. The minimum amount of energy required to initiate a chemical reaction is called 〇〇 energy.
  10. Chemical reaction that burn something.
Down
  1. Separation techniques used to separate mixture of liquid having different boiling point.
  2. Name of electrode where oxidation occur.
  3. Molecular geometry of methane.
  4. Reaction in which monomers bond together.
  5. Collective term for oxidation and reduction reactions is called 〇〇 reaction.
  6. Vertical column of elements in the periodic table.
  7. Exception of Lewis structure appeared in ib syllabus, other than copper.
  8. Functional group alcohol+carboxylic acid.
  9. Change in physical states gas to liquid.
  10. Accurate appratus used for measuing liquid in titration.
  11. Component in a solution. Dissolved in a solvent.
  12. Temperature that substances start to convert into liqid is called 〇〇 point.
  13. Non-charged subatomic particle existing in nucleus.
  14. Process of losing electron

24 Clues: Process of losing electron • Molecular geometry of methane. • Chemical reaction that burn something. • Change in physical states solid to gas. • Name of electrode where oxidation occur. • Name of electrode where reduction occur. • Change in physical states gas to liquid. • Reaction in which monomers bond together. • Functional group alcohol+carboxylic acid. • ...

Matter: Properties and Changes 2023-04-28

Matter: Properties and Changes crossword puzzle
Across
  1. the mass per unit volume of a substance
  2. a number placed in front of an element symbol or chemical formula in an equation
  3. law that states that the total mass of reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction
  4. a process in which atoms of one or more substances rearrange to form one or more new substances
  5. more energy is required to break the bonds of the reactants than is released when the products form.
  6. occurs when a substance reacts with another substance, changing it into a new substance
  7. a characteristic of matter that can be observed or measured without changing the identity of the matter
Down
  1. a change in matter in which the substances that make up the matter change into other substances with different chemical and physical properties
  2. a substance produced by a chemical reaction
  3. the energy released when atoms form bonds
  4. more energy is released when the products form than required to break the bonds in the reactants
  5. law that states that energy is always transferring, but energy is not created or destroyed.
  6. a starting substance in a chemical reaction
  7. the ability of a type of matter to burn easily
  8. occurs when substances react t oxidizing agents, changing it to a new substance
  9. the amount of matter in an object
  10. a characteristic of matter that can be observed as it changes to a different type of matter
  11. the amount of space a substance takes up

18 Clues: the amount of matter in an object • the mass per unit volume of a substance • the amount of space a substance takes up • the energy released when atoms form bonds • a substance produced by a chemical reaction • a starting substance in a chemical reaction • the ability of a type of matter to burn easily • ...

Chemistry crossword 2021-07-12

Chemistry crossword crossword puzzle
Across
  1. Fatty foods become rancid due to the process of __
  2. what type of reaction is represented by digestion in our body
  3. Oxide of which element is used as major ingredient in cement
  4. aqueous solution of sodium chloride is known as?
  5. Equation which doesn't follow the law of conservation of mass
  6. When Carbon Dioxide passes through lime water it turns lime water?
  7. plaster of paris changes to ___ on mixing with wate
  8. hydrogen gas burns with __ sound
  9. ___agent reduces the other reactant and oxidizes itself
  10. oxidation of fats and oils which makes the smell and taste bad is known as?
  11. __ gas is filled in packet of chips to prevent rancidity
Down
  1. Gas evolved when zinc reacts with dilute HCL
  2. What does the symbol (aq) represent in a chemical equation
  3. On heating calcium carbonate turns into calcium __
  4. we should never change __ of formula
  5. white silver chloride changes into ___colour when exposed to sunlight
  6. change in state is ___ reaction
  7. Respiration is example of _ reaction?
  8. PH stands for ___in German meaning power
  9. indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution
  10. brown flake substance acquires on the surface of iron after long exposure to moisture is ?
  11. ___Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound

22 Clues: change in state is ___ reaction • hydrogen gas burns with __ sound • we should never change __ of formula • Respiration is example of _ reaction? • PH stands for ___in German meaning power • Gas evolved when zinc reacts with dilute HCL • aqueous solution of sodium chloride is known as? • Fatty foods become rancid due to the process of __ • ...

Enzymes & Chemical Reactions 2022-10-17

Enzymes & Chemical Reactions crossword puzzle
Across
  1. changes in ___ can slow a chemical reaction
  2. speeds up a chemical reaction without being used up itself
  3. Without Enzymes, chemical reactions would occur too ___ to keep us alive and healthy.
  4. the substance that works with the enzyme
  5. The ______ ______ changes shape when a protein is denatured.
  6. Enzymes can be _________ at high temperatures
  7. the energy required to kick start a chemical reaction
Down
  1. the enzyme fits the substrate in a jigsaw precision
  2. ____ are biological catalysts
  3. Proteins consist of ____ chains
  4. in the lock and key model, the enzyme and substrate are a ___ fit
  5. Enzymes belong to this group of macromolecules
  6. reactions work ____ when an enzyme is present
  7. in this model the enzyme and substrate does not fit perfectly, but changes slightly to accommodate it

14 Clues: ____ are biological catalysts • Proteins consist of ____ chains • the substance that works with the enzyme • changes in ___ can slow a chemical reaction • reactions work ____ when an enzyme is present • Enzymes can be _________ at high temperatures • Enzymes belong to this group of macromolecules • the enzyme fits the substrate in a jigsaw precision • ...

Writing Chemical Equations 2025-03-21

Writing Chemical Equations crossword puzzle
Across
  1. A change that does not produce new substances
  2. An ionic or covalent _________ forms when atoms rearrange their electrons and stick together
  3. Used in a chemical equation to separate the reactants from the products
  4. A chemical ___________ includes the chemical formulas, subscripts and coefficients of the products and the reactants
  5. The Law of Conservation of __________ states that the total mass of the reactants is equal to the total mass of the products
  6. Formed when two or more atoms chemically combine together
  7. The symbols on the periodic table represent one _______
  8. In a chemical reaction, substances react and form ______ substances
Down
  1. If there is more than one reactant or product, you will see them separated in the chemical equation with a ____ sign
  2. When chemical bonds between atoms ________, atoms will rearrange and form new bonds.
  3. Substances that exist after the reaction
  4. ______ of a chemical change could be a color change, gas production, precipitate formation, or a change in energy
  5. A molecule formed when two of the same type of atom bond together (usually nonmetals)
  6. A chemical _______ is used to represent the compounds in a universal way that is the same around the world in all languages
  7. Reactants are substances that exist ______ the reaction
  8. The three states of ________ are solids, liquids and gases
  9. A change in _____________ could be observed with a temperature change, or light/sound production. Caused when bonds break and reform.

17 Clues: Substances that exist after the reaction • A change that does not produce new substances • Reactants are substances that exist ______ the reaction • The symbols on the periodic table represent one _______ • Formed when two or more atoms chemically combine together • The three states of ________ are solids, liquids and gases • ...

Stoichiometry 2022-05-19

Stoichiometry crossword puzzle
Across
  1. Any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction.
  2. amount of substance
  3. A reagent present in a quantity that is more than sufficient to react with a limiting reagent; any reactant that remains after the limiting reagent is used up in a chemical reaction.
  4. The smallest unit into which a substance can be broken down without a change in composition, usually atoms, molecules, or ions
  5. Hypothesis Equal volumes of gases at the same temperature and pressure contain equal numbers of particles.
  6. portion of chemistry involving the calculation of quantities of substances involved in chemical reactions (and numerical relationships in chemical reactions)
Down
  1. a process in which the atoms of one or more substances are rearranged to form different substances
  2. A conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles
  3. Standard Temperature & Pressure
  4. Mass the mass of one mole of a substance
  5. the starting substance in a chemical reaction
  6. The amount of product that actually forms when the reaction is carried out in the laboratory
  7. The percent by mass of each element in a compound.

13 Clues: amount of substance • Standard Temperature & Pressure • Mass the mass of one mole of a substance • the starting substance in a chemical reaction • The percent by mass of each element in a compound. • The amount of product that actually forms when the reaction is carried out in the laboratory • ...

chemistry crossword 2015-11-25

chemistry crossword crossword puzzle
Across
  1. a material that electric charge can move through easily
  2. property- property that is measurable, whose value describes a state of a physical system. The changes in the physical properties of a system can be used to describe its transformations or evolutions between its momentary states.
  3. number- number of protons in the nucleus of one atom of an element
  4. combination of two or more elements in a specific ratio
  5. for producing electricity from chemical or solar energy
  6. description of a solid that can be be stretched into a long wire
  7. a cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  8. negatively charged particle that orbits the nucleus of an atom
  9. rate of which charged particles flow
  10. change-change that results when two or more substances react to create a different substance or substances.
  11. substance that cannot be broken down into other substances
  12. that dissolves in water to form a solution with PH higher than 7
  13. mass unit- measure of atomic mass; 1 amu is equal to 1/12th the mass of a carbon 12 atom
Down
  1. chemical change that occurs when oxygen in air reacts with metal
  2. electricity-electricity that flows continuously
  3. energy- energy stored in chemicals and released when chemicals react
  4. system- an experiment in which all reactants and all products of a chemical reaction are accounted for
  5. reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. involved in chemical reactions in living things
  7. change-change that results when two or more substances react to create a different substance
  8. substance that helps a chemical reaction to proceed more quickly
  9. of the present of hydrogen ions in a solution

22 Clues: rate of which charged particles flow • of the present of hydrogen ions in a solution • electricity-electricity that flows continuously • involved in chemical reactions in living things • a material that electric charge can move through easily • combination of two or more elements in a specific ratio • for producing electricity from chemical or solar energy • ...

Mr Terras CW 2 2023-05-01

Mr Terras CW 2 crossword puzzle
Across
  1. An equation where the formula splits up left to right
  2. How deep something is
  3. A show of what combining certain elements creates
  4. A chemical equation where a single element or compound switches partners
  5. The upward force that makes things float in water
  6. Where you live
  7. The school you go to
  8. Left side of a chemical equation
  9. The amount of atoms in a gram of carbon-12
  10. Any substance that takes the shape of its contanier.
Down
  1. A number before a compound that shows how many of that compound, and the elements that make it, there are
  2. Accompanied by the absorption of heat
  3. The best SCHS science teacher
  4. What a chemical equation yields
  5. Mr Terras' favorite advice
  6. A chemical equation where two elements or compounds switch partners
  7. When two elements hook up, what is the equation called?
  8. How tightly packed a substances matter is
  9. Pick something up
  10. A reaction that releases heat
  11. A substance that speeds up a chemical reaction

21 Clues: Where you live • Pick something up • The school you go to • How deep something is • Mr Terras' favorite advice • The best SCHS science teacher • A reaction that releases heat • What a chemical equation yields • Left side of a chemical equation • Accompanied by the absorption of heat • How tightly packed a substances matter is • The amount of atoms in a gram of carbon-12 • ...

Doménica Cevallos - Oxidation 2022-01-20

Doménica Cevallos - Oxidation crossword puzzle
Across
  1. when molecules undergo a molecular rearrangement to produce a physical change
  2. It is how a chemical reaction is represented in writing.
  3. electric accumulator
  4. It is the result of a chemical reaction or other situation, the result of a reactant
  5. is the process by which elements in a system undergo chemical changes to suffer a transformation
  6. are the particles with a negative elementary electric charge
Down
  1. It is when two or more substances enter in a reaction, the products are completely different from the reactants.
  2. An interaction of two people of connection
  3. It is the action that is exercised between people or an object.
  4. commonly used is carbamide peroxide in concentrations
  5. a substance that causes a chemical reaction
  6. it is the chemical element that the human being needs to live

12 Clues: electric accumulator • An interaction of two people of connection • a substance that causes a chemical reaction • commonly used is carbamide peroxide in concentrations • It is how a chemical reaction is represented in writing. • are the particles with a negative elementary electric charge • It is the action that is exercised between people or an object. • ...

Unit 2 Vocab 2023-10-03

Unit 2 Vocab crossword puzzle
Across
  1. biological catalysts
  2. process of maintaining stable internal environment within a cell/organism
  3. made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  4. elements or compounds that enter into a chemical reaction
  5. It is the name known to the general public or is based on any language
  6. substance formed as a result of a chemical reaction
  7. unicellular organism that lacks a nucleus
  8. makes up macromolecules
  9. a group of closely related orders
  10. the first part of the scientific name in binomial nomenclature
  11. compound with an amino group on one end and a carboxyl group on the other end
  12. chemical reactions within an organism that build or break down substances
  13. group of similar organisms that can breed and produce fertile offspring
  14. more inclusive taxonomic category than a kingdom
  15. reproduction in which a single parent produces offspring
  16. a group of similar genera
  17. macromolecule made up of amino acids
  18. reproduction in which two parents produce unique offspring
  19. macromolecule made mostly from carbon and hydrogen atoms
  20. A name used by scientists
  21. a group of closely related families
  22. compound made up of carbon, hydrogen, and oxygen atoms
  23. energy that is needed to get a reaction started
Down
  1. trait that an organism has that allows for it to survive and reproduce at a greater rate
  2. classification system in which each species is assigned a two-part scientific name
  3. gives off heat
  4. sugar molecule
  5. a reaction that absorbs heat
  6. inherited from parents
  7. one set of chemicals into another set of chemicals
  8. carbohydrate made up of many monosaccharides
  9. a group of closely related classes
  10. substance that speeds up the rate of a chemical reaction
  11. a complex cell that has a nucleus
  12. large organic molecule made up of many atoms
  13. reactant of an enzyme-catalyzed reaction
  14. small chemical unit that makes up a polymer
  15. signal to which an organism responds
  16. largest and most inclusive group in classification
  17. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus

40 Clues: gives off heat • sugar molecule • biological catalysts • inherited from parents • makes up macromolecules • a group of similar genera • A name used by scientists • a reaction that absorbs heat • a group of closely related orders • a complex cell that has a nucleus • a group of closely related classes • a group of closely related families • signal to which an organism responds • ...

Crossword Puzzle for Chemistry 2025-05-13

Crossword Puzzle for Chemistry crossword puzzle
Across
  1. Unit used to express atomic and molecular weight
  2. Particles involved in chemical bonding
  3. Substances that deal with PH levels of what?
  4. Homogeneous mixture of solute and solvent
  5. Grams per mole of a chemical compound
  6. Tells how many parts of each substance react
  7. Type of element like oxygen or sulfur
  8. A measure of how much solute is dissolved in a solution
  9. The process of releasing energy
  10. Analytical technique to convert units
  11. Positive or negative amounts on atoms
  12. Vertically arranged elements with similar properties
  13. Adding solvent to decrease concentration
  14. The conserved quantity in any chemical reaction
  15. Study of quantitative relationships in a chemical reaction
  16. A subatomic particle with a negative charge
  17. Physical form of matter with a definite volume and shape
  18. A phase of matter with no fixed shape but a fixed volume
  19. Differences in appearance, not composition
  20. Properties that depend on the number of particles, not their identity
Down
  1. Nuclear reaction where a nucleus splits
  2. Relating to electric and magnetic fields
  3. Molecular geometry is basically
  4. The ability of substances to be changed into new substances
  5. A substance that flows freely but is of constant volume
  6. A theory that explains reaction rate by particle collisions
  7. Nuclear reaction where atomic nuclei combine
  8. The fundamental SI unit system
  9. Number used to count atoms or molecules in a mole
  10. Measures the amount of matter in a substance
  11. Substance that increases the rate of a reaction without being consumed
  12. The ability of a substance to undergo specific chemical changes
  13. Smallest unit of an element that retains its identity
  14. Electrically neutral atom with a different number of neutrons
  15. ___ on the periodic table
  16. Particles in an atom with no charge
  17. Positively charged subatomic particle
  18. A combination of elements held together from what?
  19. The amount of space on the surface of a substance
  20. Classification of elements like Fe, Cu, or Zn
  21. Process of taking in energy

41 Clues: ___ on the periodic table • Process of taking in energy • The fundamental SI unit system • Molecular geometry is basically • The process of releasing energy • Particles in an atom with no charge • Grams per mole of a chemical compound • Type of element like oxygen or sulfur • Analytical technique to convert units • Positive or negative amounts on atoms • ...

chemistry 2025-04-04

chemistry crossword puzzle
Across
  1. a process where a substance loses electrons, gains oxygen, or loses hydrogen
  2. something done, felt, or thought in response to a situation or event.
  3. the smallest particle of a chemical element
  4. potential of hydrogen
  5. essential or characteristic part of something abstract.
  6. a means of solving a problem or dealing with a difficult situation
  7. different forms of the same element, characterized by having the same number of protons
Down
  1. a substance with particular chemical properties
  2. a substance that can neutralize acids
  3. a substance that dissolves another substance
  4. a substance that speeds up a chemical reaction without being consumed
  5. a thing that is composed of two or more separate elements
  6. an insoluble solid that forms and separates from a solution during a chemical reaction
  7. a chemical process where a species gains electrons or has its oxidation state decrease,

14 Clues: potential of hydrogen • a substance that can neutralize acids • the smallest particle of a chemical element • a substance that dissolves another substance • a substance with particular chemical properties • essential or characteristic part of something abstract. • a thing that is composed of two or more separate elements • ...

Matter and Chemistry Vocabulary Test 2014-12-02

Matter and Chemistry Vocabulary Test crossword puzzle
Across
  1. A material that decreased the rate of a reaction
  2. The mass of an atom which is the sum of the protons and neutrons
  3. A characteristic of a pure substance that con be observed with out changing it into another substance
  4. A chart of the elements showing the repeating pattern of their properties
  5. An element that has some characteristics of both metals and nonmetals
  6. One of the elements in Groups 3 through 12 of the periodic table
  7. The ease and speed with which an element combines or reacts with other elements
  8. A family of very reactive elements whose atoms gain or share one electron
  9. Two or more substances that are mixed together but not chemically combined
  10. The measurement of how acidic or basic a substance is on a scale of 0 (very acidic) to 14 (very basic)
  11. A biological catalyst that lowers the activation energy of reactions in cells
  12. A reaction that absorbs energy in the form of heat (ex. Baking soda and vinegar)
  13. The ability of a material to be pulled out into a long wire
  14. A column of elements on the periodic table (18 total)
  15. A molecule consisting of two atoms
  16. The ability of an object to transfer heat or electricity
  17. A row of elements on the periodic table (7 total)
  18. The basic particle that forms elements
  19. A class of elements characterized by physical properties that include shininess, malleability, ductility and conductivity
  20. A substance formed as a result of a chemical reaction
  21. A single kind of matter that is pure and has a specific set of properties
  22. A formula that gives the elements in a compound and the ratio of atoms.
  23. A chemical change in which a substance combines with oxygen, as when iron oxidizes forming rust
  24. Negatively charged particle circling the nucleus of an atom
  25. A material that conducts electricity under certain conditions
  26. A system in which not matter is allowed to enter or leave
  27. A type of element whose physical properties are opposite of metals
  28. A family of uncreative elements whose atoms do not gain, lose, or share electrons
  29. A chemical reaction in which two or more simple substances combine to form a new, more complex substance
  30. The gradual wearing away of a metal element due to a chemical reaction
  31. A substance with a high quantity of OH- ions that tastes bitter, feels slippery, and turns red litmus paper blue
  32. A particle made of two or more atoms bonded together.
  33. An atom with the same number of protons and a different number of neutrons
  34. Particle in the nucleus of an atom with no charge
Down
  1. A reaction in which one element replaces another in a compound or when two elements in different compounds trade places
  2. An element in Group 2 of the periodic table
  3. The process in which substances undergo chemical changes that result in the formation of new substances
  4. A solid that forms from a solution during a chemical reaction
  5. A substance that enters into a chemical reaction
  6. The minimum amount of energy needed to get a chemical reaction started
  7. A characteristic of a pure substance that describes its ability to change into a different substance
  8. A mixture in which substances are evenly distributed throughout the mixture
  9. A change in which one or more substances combine or break apart to form new substances
  10. A mixture in which pure substances are unevenly distributed throughout the mixture
  11. An element in Group 1 of the periodic table
  12. A reaction that releases energy in the form of heat (ex. Burning)
  13. The ability of a material to be pounded into shapes
  14. The principle stating that matter is not created or destroyed during a chemical reaction
  15. A system in which mater can enter from or escape to the surroundings
  16. A chemical reaction that breaks down compounds into simpler products
  17. Anything that has mass and occupies space
  18. A material that increases the rate of a reaction by lowering the activation energy
  19. The number of protons in an atom
  20. Positively charged particle in the nucleus of an atom
  21. A change in a substance that does not change its identity
  22. The force that holds two atoms together
  23. A one or two letter abbreviation of an element found on the periodic table
  24. The study of the properties of matter and how matter changes
  25. A substance with a high quantity of H+ ions that tastes sour, reacts with metals and carbonates, turns blue litmus paper red
  26. A pure substance made of two or more elements chemically combined.
  27. A pure substance that cannot be broken down into other substances by chemical or physical means

61 Clues: The number of protons in an atom • A molecule consisting of two atoms • The basic particle that forms elements • The force that holds two atoms together • Anything that has mass and occupies space • An element in Group 2 of the periodic table • An element in Group 1 of the periodic table • A material that decreased the rate of a reaction • ...

V K Krishna Menon College National Science Day Celebrations 28-02-2023 2023-02-26

V K Krishna Menon College National Science Day Celebrations 28-02-2023 crossword puzzle
Across
  1. machinery of a computer
  2. substance that makes a chemical reaction happen faster
  3. the smallest unit into which a substance can be divided without changing its chemical nature
  4. reaction causing rusting of iron
  5. the branch of medicine and biology concerned with immunity
  6. the scientific study of sight and light
  7. electronic system that records sound or stores information in high-quality
  8. scientific study of the way that the development of living things is controlled by qualities that have been passed on from parents to children
Down
  1. screen of a machine
  2. study of the relationship between living things and their surroundings
  3. chemical processes in plants or animals that change food into energy
  4. single celled microscopic animals
  5. a very small quantity of electromagnetic energy
  6. branch of physics that deals with heat, work, and temperature, and their relation to energy, entropy
  7. the form and structure of animals and plants
  8. this interaction determines the motion of planets, stars, galaxies,
  9. reaction in which a molecule of water breaks one or more chemical bonds
  10. machine used for counting
  11. science that employs the methods and principles of physics and chemistry in the study of astronomical objects
  12. computer network within an organization

20 Clues: screen of a machine • machinery of a computer • machine used for counting • reaction causing rusting of iron • single celled microscopic animals • computer network within an organization • the scientific study of sight and light • the form and structure of animals and plants • a very small quantity of electromagnetic energy • ...

Chapter 6 & 7 Vocabulary 2023-11-02

Chapter 6 & 7 Vocabulary crossword puzzle
Across
  1. the force that holds cations and anions together
  2. numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product
  3. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  4. a diagram of an atom, ion or molecule in which each dot represents a valence electron
  5. an ion with a positive charge
  6. a chemical bond in which two atoms share a pair of valence electrons
  7. an atom or group of atoms that has a positive or negative charge
  8. the force that holds atoms or ions together as a unit
  9. a neutral group of atoms that are joined together by one or more covalent bonds
  10. the attraction between a metal cation and the shared electrons that surround it
Down
  1. a chemical reaction in which a compound breaks down into two or more simpler substances
  2. a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal
  3. new substances formed as a result of a chemical reaction
  4. an ion with a negative charge
  5. notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
  6. a substance that undergoes change in a chemical reaction

16 Clues: an ion with a positive charge • an ion with a negative charge • the force that holds cations and anions together • the force that holds atoms or ions together as a unit • new substances formed as a result of a chemical reaction • a substance that undergoes change in a chemical reaction • an atom or group of atoms that has a positive or negative charge • ...

7th grade vocabulary 2024-10-09

7th grade vocabulary crossword puzzle
Across
  1. made of more than one cell
  2. made of one cell
  3. the raw materials that go into a reaction
  4. the smallest unit of life
  5. a living thing
  6. a group of cells that work together
  7. a complex particle made of more than one atom
  8. solids, liquids, and gasses
  9. the ability to do work or cause change
  10. the variety of living things in a system
Down
  1. the parts or make-up of something
  2. the substances that are produced in a reaction
  3. a group of organs that work together
  4. a chemical reaction the releases energy in cells
  5. the purpose or job of something
  6. a segment of DNA that codes for a specific trait
  7. the smallest particle of matter
  8. a chemical reaction that captures the energy of the sun in glucose
  9. a group of tissues that work together

19 Clues: a living thing • made of one cell • the smallest unit of life • made of more than one cell • solids, liquids, and gasses • the purpose or job of something • the smallest particle of matter • the parts or make-up of something • a group of cells that work together • a group of organs that work together • a group of tissues that work together • the ability to do work or cause change • ...