chemical reaction Crossword Puzzles

Samantha Q. Oxidation 2022-01-18

Samantha Q. Oxidation crossword puzzle
Across
  1. Is a change to the physical properties
  2. Chemical process that make elements suffer a transformation
  3. It is a change that combines substances to make a chemical reaction
  4. Is the symbolic representation of a chemical reaction
  5. Is a substance that is added to form a chemical reaction
  6. It is the result of an action or process
  7. It is a sequence by which a change or transformation occurs giving a result
  8. It is a change that occurs in an object or person
Down
  1. It is matter made up of different things
  2. It is a relationship through actions between one or more objects/persons
  3. chemical element represented by the symbol O
  4. A measure of the warmth or coldness of an object or substance

12 Clues: Is a change to the physical properties • It is matter made up of different things • It is the result of an action or process • chemical element represented by the symbol O • It is a change that occurs in an object or person • Is the symbolic representation of a chemical reaction • Is a substance that is added to form a chemical reaction • ...

Science 2023-05-05

Science crossword puzzle
Across
  1. reaction - when a change in chemical matter occurs
  2. equation - there are the same number of atoms on each side
  3. - smallest particle of matter
  4. - before a chemical reaction
Down
  1. - something that takes up space
  2. Lavoisier - scientist who discovered the law of conservation
  3. - substance that cannot be broken down
  4. equation - unequal amounts of atoms on each side of an equation
  5. - after a chemical reaction
  6. of conservation - mass cannot be destroyed nor created

10 Clues: - after a chemical reaction • - before a chemical reaction • - smallest particle of matter • - something that takes up space • - substance that cannot be broken down • reaction - when a change in chemical matter occurs • of conservation - mass cannot be destroyed nor created • equation - there are the same number of atoms on each side • ...

Thermochemistry 2023-04-04

Thermochemistry crossword puzzle
Across
  1. Potential in chemical bonds
  2. States cannot be created or destroyed
  3. Energy transferred temperature
  4. Part of chemistry with HEAT.
  5. Power
  6. Change in enthalpy when reaction
  7. Heat being released
  8. Change in enthalpy when combustion
  9. Apparatus for measuring heat
Down
  1. Energy that is stored
  2. Change in enthalpy when vaporized
  3. measuring the amount of heat released or absorbed during a chemical reaction
  4. heat absorbed when fused
  5. The heat needed to raise temperature to a specific amount
  6. Heat being stored
  7. A unit of energy defining heat
  8. total heat content
  9. Energy from movement
  10. Unit of energy
  11. Average kinetic energy

20 Clues: Power • Unit of energy • Heat being stored • total heat content • Heat being released • Energy from movement • Energy that is stored • Average kinetic energy • heat absorbed when fused • Potential in chemical bonds • Part of chemistry with HEAT. • Apparatus for measuring heat • Energy transferred temperature • A unit of energy defining heat • Change in enthalpy when reaction • ...

Crossword Puzzle 2020-12-13

Crossword Puzzle crossword puzzle
Across
  1. measure of how hot or cold something is the amount of force exerted per area.
  2. The type of analysis that identifies the compound.
  3. These are insoluble substances produced in a reaction.
  4. In Le Châtelier’s Principle, change in volume and pressure, what happens to the pressure when the shift in equilibrium is to side with fewest moles of gas?
  5. Name of Group 3 Cation Group is _________ Sulfide Group.
  6. Reactions are accompanied by __________ effects that are easily recognizable.
  7. An ion with a positive charge.
  8. It is the color of a barium ion flame.
  9. This is one of the factors affecting chemical equilibrium that measure of how hot or cold something is.
  10. The branch of Chemistry that deals with the nature of the substance making up the compound.
  11. Name of Group 2 Cation Group is _________ Sulfide Group.
  12. Minimum amount of energy required to initiate a chemical reaction.
  13. In Le Châtelier’s Principle, change in concentration, what is the shift when it increases the concentration of the products.
Down
  1. It is the change in temperature where it increases when it favors the forward reaction.
  2. In Le Châtelier’s Principle, change in volume and pressure, what happens to the volume when the shift in equilibrium is to side with fewest moles of gas?
  3. Gtts means –
  4. These are highly unstable species with a high potential energy.
  5. It is the change in temperature where it increases when it favors the backward reaction.
  6. An ion with a negative charge.
  7. This type of flame is characterized by its blue color.
  8. This substance is used to hasten the reaction but it is not consumed in the reaction process.
  9. It is a principle of chemistry used to predict the effect of a change in conditions on chemical equilibria.
  10. It is the process in which reagents are added to the unknown ion in order to determine its identity.
  11. In Le Châtelier’s Principle, change in concentration, what is the shift when it increases the concentration of reactants.
  12. It is the property of a solute to dissolve in a substance
  13. A substance or mixture that is used to ensue chemical reactions for analysis.
  14. It is an analytical procedure in which heat is incorporated to determine the presence of certain elements.
  15. The fourth cation subgroup.
  16. This is one of the factors affecting chemical equilibrium which is expressed in terms of molarity.
  17. Species that result from the reaction of chemicals.

30 Clues: Gtts means – • The fourth cation subgroup. • An ion with a negative charge. • An ion with a positive charge. • It is the color of a barium ion flame. • The type of analysis that identifies the compound. • Species that result from the reaction of chemicals. • These are insoluble substances produced in a reaction. • This type of flame is characterized by its blue color. • ...

Year 6 Science - Chemistry Key Terms 2025-09-11

Year 6 Science - Chemistry Key Terms crossword puzzle
Across
  1. A change that creates a new substance with different properties.
  2. A solid that forms during a chemical reaction in a liquid.
  3. A liquid that reacts with yeast to make foam in experiments.
  4. A combination of substances that are not chemically joined.
  5. A change where the substance stays the same, even if its form changes.
  6. Small gas pockets made during a chemical reaction.
  7. A substance that is dissolved into a solvent.
  8. A white liquid used in reactions, such as with vinegar.
  9. A scientific word for burning, like in a fire or fireworks.
  10. A container with a narrow neck used for mixing or reactions.
  11. A drawing that shows what happened in a science experiment.
  12. A sour liquid that reacts with baking soda.
  13. Using heat to make permanent changes in food.
  14. A tall tool used to measure liquids accurately.
  15. When a solid turns into a liquid by heating.
  16. A sweet substance that dissolves in water.
  17. Hot water vapour made when water boils.
  18. A living ingredient used in chemical reactions like bread or foam.
  19. How hot or cold something is.
  20. Something you notice using your senses in an experiment.
  21. A wide container used to hold or heat liquids in science.
  22. When something gets hotter or colder during a reaction.
  23. Heating a liquid until it bubbles and turns to gas.
Down
  1. When a new colour appears during a reaction, showing a change.
  2. What happens when substances combine and something changes.
  3. Combining substances without a chemical reaction happening.
  4. A change that cannot be undone, like cooking an egg.
  5. A plastic bag that can be sealed and used in some experiments.
  6. When bubbles form during a reaction, showing a new gas was made.
  7. A change that can be undone, like melting or freezing.
  8. When a solid mixes completely into a liquid, like sugar in water.
  9. A flat device used to heat things in a science lab.
  10. Also called baking soda; reacts with vinegar to make bubbles.
  11. Any material that has physical and chemical properties.
  12. Step-by-step instructions for doing an experiment.
  13. A liquid that dissolves another substance.
  14. A gas you see when something burns, like a candle.
  15. A small tool used to scoop, mix, or stir powders.
  16. A small glass tube for holding and mixing chemicals.
  17. A test done to learn or find something out.

40 Clues: How hot or cold something is. • Hot water vapour made when water boils. • A liquid that dissolves another substance. • A sweet substance that dissolves in water. • A sour liquid that reacts with baking soda. • A test done to learn or find something out. • When a solid turns into a liquid by heating. • A substance that is dissolved into a solvent. • ...

Chemistry crossword 2015-11-13

Chemistry crossword crossword puzzle
Across
  1. group 17 elements in the periodic table;the most reactive non-metals
  2. combination of pure substances;unlike a compound,the components of a mixture do not combine chemically and are not always in the same ratio
  3. variations within a species
  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. invisible negatively charged particle that orbits the nucleus of an atom
  6. 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 one or more electrons
  7. substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
  8. pure substance that cannot be broken down into other substances;substance made up of only one type of atom
  9. positively charged particle in the nucleus of an atom
  10. catalyst involved in chemical reactions in living things
  11. ability to do work
Down
  1. horizontal row of elements in the periodic table
  2. positively charged centre of an atom;contains protons and neutrons
  3. substance that helps a chemical reaction to proceed more quickly
  4. amount of mass in a given volume of a substance
  5. element that has both metallic and non-metallic properties
  6. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  7. shiny,malleable,ductile element that conducts electricity
  8. description of a substance that can be pounded or rolled into sheets
  9. new substances produced in a chemical reaction between reactants
  10. group of atoms joined by covalent bonds
  11. chemical combination of two or more elements in a specific ratio
  12. neutral particle in a nucleus of an atom
  13. organic molecules made up of atoms of carbon,hydrogen and oxygen (ex,fats,oils and waxes);lipids are insoluble in water
  14. vertical column of elements in the periodic table;elements in a family all have similar chemical properties;also called a group

25 Clues: ability to do work • variations within a species • group of atoms joined by covalent bonds • neutral particle in a nucleus of an atom • amount of mass in a given volume of a substance • horizontal row of elements in the periodic table • positively charged particle in the nucleus of an atom • catalyst involved in chemical reactions in living things • ...

Matter 2021-01-25

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

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 ability to be hammered or pressed down • - The characteristic smell of a substance. • The ability to be drawn out into thin wires • - The amount of matter in a defined volume. • ...

Chemical Compounds and Equations 2023-02-23

Chemical Compounds and Equations crossword puzzle
Across
  1. The chemical formula for hydrogen
  2. substances that react together and change during a reaction.
  3. a neutral particle in the nucleus of an atom
  4. the center of an atom made up of protons and neutrons
  5. A type of molecule when the atoms are different elements
  6. one- or two-letter designation of an element
  7. the basic particle of the chemical elements
  8. substances that are produced in the reaction
Down
  1. force that holds atoms together
  2. small number after the element symbol that tell the number of atoms.
  3. negative charged particle in the electron cloud surrounding an atom
  4. a chemical substance that cannot be broken down into other substances
  5. positive charged particle in the nucleus of an atom
  6. The chemical formula for water
  7. a group of atoms bonded together
  8. the chemical formula for oxygen

16 Clues: The chemical formula for water • force that holds atoms together • the chemical formula for oxygen • a group of atoms bonded together • The chemical formula for hydrogen • the basic particle of the chemical elements • a neutral particle in the nucleus of an atom • one- or two-letter designation of an element • substances that are produced in the reaction • ...

Unit 2 Vocab 2022-09-25

Unit 2 Vocab crossword puzzle
Across
  1. uses light energy to convert CO2 and H2O into glucose
  2. all macromolecules
  3. anything that takes up space
  4. substances created during a chemical reaction
  5. creates the energy that the cells need
  6. the site of photosynthesis
  7. living things
  8. rocks/soil
  9. used by living things to store and release energy
  10. oxygen is not present
Down
  1. eat autotrophs to get energy
  2. water
  3. uses the reactions from light reactions to create glucose
  4. uses chlorophyll to capture light energy
  5. proteins and nucleic acids
  6. recyles nutrients back into the nonliving environments
  7. substances at the beginning of a chemical reaction
  8. air
  9. nucleic acids and phosphates
  10. oxygen is present

20 Clues: air • water • rocks/soil • living things • oxygen is present • all macromolecules • oxygen is not present • proteins and nucleic acids • the site of photosynthesis • eat autotrophs to get energy • anything that takes up space • nucleic acids and phosphates • creates the energy that the cells need • uses chlorophyll to capture light energy • substances created during a chemical reaction • ...

Rates of Reactions 2025-10-19

Rates of Reactions crossword puzzle
Across
  1. A substance that speeds up a reaction without being used up.
  2. Increasing this factor makes particles move faster, which increases the reaction rate.
  3. The _________ of a substance affects the number of collisions; a higher amount makes the reaction faster.
  4. Reactants must collide with enough _________ to be successful
  5. A very slow reaction, like the _________ of iron.
  6. A general term for how fast the reactants are changed into products.
Down
  1. The starting materials in a chemical equation.
  2. The name for the minimum energy required to start a reaction.
  3. The theory that explains reaction rates based on particles hitting each other
  4. The size of the particles; breaking a chunk into a _________ increases the reaction rate.
  5. Physically mixing a solution to increase the rate of reaction.
  6. The final materials made in a chemical reaction.

12 Clues: The starting materials in a chemical equation. • The final materials made in a chemical reaction. • A very slow reaction, like the _________ of iron. • A substance that speeds up a reaction without being used up. • The name for the minimum energy required to start a reaction. • Reactants must collide with enough _________ to be successful • ...

Biology Chapter 2 Crossword - Peyton Laughner 2018-10-01

Biology Chapter 2 Crossword - Peyton Laughner crossword puzzle
Across
  1. A naturally occurring catalyst, usually a protein.
  2. The substances formed during a chemical reaction, usually indicated on the right­hand side of a chemical equation.
  3. A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  4. The building block of matter; the smallest possible particle of an element.
  5. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
  6. A class of simple organic compounds important in living things as a source of both energy and structure.
  7. An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
  8. The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
  9. The attraction of particles in one substance for particles in a different substance.
  10. A class of non-polar organic compounds that are in soluble in water and are used for energy storage and cell membranes in living thing
Down
  1. The tendency of energy to disperse and become less available to do work.
  2. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  3. A change in a substance that does not change the identity of the substance (e.g., a change of form or state).
  4. A pure substance made from two or more elements that are chemically combined.
  5. A pure substance made of only one kind of atom.
  6. A substance that is present before a chemical reaction and takes part in it, usually shown on the left-­hand side of a chemical equation.
  7. A measurement of the average speed of the particles within a substance.
  8. An attraction between two atoms as a result of sharing or transferring valence electrons.
  9. A class of organic compounds that serve as the building blocks of proteins.
  10. The attraction between like particles within polar substances.

20 Clues: A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The attraction between like particles within polar substances. • A measurement of the average speed of the particles within a substance. • The tendency of energy to disperse and become less available to do work. • ...

Unit 3 Vocab-Braeden Penrose 2025-09-11

Unit 3 Vocab-Braeden Penrose crossword puzzle
Across
  1. A chemical substance that is present at the END of a chemical reaction. The result.
  2. a compound that produces hydroxide (OH-) ions in solution, ph > 7.
  3. A covalent bond in which electrons are not shared equally.
  4. A material that does NOT allow heat or electrons to move through it easily.
  5. An element that has properties of both metals and nonmetals.
  6. any compound that forms hydrogen ions (H+) in solution, pH < 7.
  7. A bond between two ions of opposite charges.
  8. A bond in which two atoms share valence electrons.
  9. States that mass cannot be created or destroyed in ordinary chemical and physical changes. It simply changes form or structure.
  10. An ion with a positive charge.
  11. Elements in group 18 of the periodic table. Have no charge, do not bond with other atoms, and are gases under normal conditions.
Down
  1. Neutral group of atoms that are joined together by one or more covalent bonds.
  2. A chemical substance that is present at the START of a chemical reaction. The "ingredients".
  3. A material that allows heat and electricity to pass through it.
  4. Elements characterized by physical properties that include shininess, malleability, ductility, and conductivity.
  5. A covalently bonded group of atoms that has a positive or negative charge and acts as a unit.
  6. An ion with a negative charge.
  7. The force or attraction that holds atoms or ions together.
  8. A mixture of two or more elements at least one of which is a metal that has the characteristic properties of a metal.
  9. A notation that shows what elements a compound contains and the ratio of atoms or ions of those elements in a compound.
  10. The attraction between a metal cation and the shared electrons that surround it.
  11. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products.
  12. Elements that are poor conductors of heat and electric current.
  13. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  14. An atom that has a net positive or net negative charge.

25 Clues: An ion with a negative charge. • An ion with a positive charge. • A bond between two ions of opposite charges. • A bond in which two atoms share valence electrons. • An atom that has a net positive or net negative charge. • The force or attraction that holds atoms or ions together. • A covalent bond in which electrons are not shared equally. • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life
  2. Releases of absorbs energy
  3. Mass is neither created of destroyed
  4. Something that releases energy
  5. Any substance that undergoes a chemical change
  6. A substance obtained from another substance through chemical change
Down
  1. Equally balanced state
  2. Absorbs heat
  3. Chemical reaction causing a rearrangement of atoms
  4. Slows down chemical change
  5. Speeds up the chemical reaction

11 Clues: Absorbs heat • Equally balanced state • Releases of absorbs energy • Slows down chemical change • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Heat Them Up 2020-06-30

Heat Them Up crossword puzzle
Across
  1. Energy change when ___ mole of precipitate is formed from its ions
  2. Theta in Heat Change, Q equation means a non- ______ in increase/decrease of temperature
  3. Reaction between Hydrochloric Acid & Silver Nitrate Solution
  4. Reaction (Also called Double Decomposition) used in the preparation of insoluble salts
  5. A chemical reaction that releases energy (in the form of heat) from the surroundings
Down
  1. Reaction between Sodium ________ & Barium Chloride to produce white insoluble salt precipitate
  2. Reaction between Lead (II) Nitrate solution & Potassium Iodide solution
  3. Solution that refers to the quantity of solute in a given volume of solution
  4. A chemical reaction that absorbs energy (int the form of heat) from the surroundings
  5. Energy change of a chemical reaction is called Heat of _______

10 Clues: Reaction between Hydrochloric Acid & Silver Nitrate Solution • Energy change of a chemical reaction is called Heat of _______ • Energy change when ___ mole of precipitate is formed from its ions • Reaction between Lead (II) Nitrate solution & Potassium Iodide solution • Solution that refers to the quantity of solute in a given volume of solution • ...

Heat Them Up 2020-06-30

Heat Them Up crossword puzzle
Across
  1. Energy change when ___ mole of precipitate is formed from its ions
  2. Theta in Heat Change, Q equation means a ______ in increase/decrease of temperature
  3. Reaction between Hydrochloric Acid & Silver Nitrate Solution
  4. Reaction (Also called Double Decomposition) used in the preparation of insoluble salts
  5. A chemical reaction that releases energy (in the form of heat) from the surroundings
Down
  1. Reaction between Sodium ________ & Barium Chloride to produce white insoluble salt precipitate
  2. Reaction between Lead (II) Nitrate solution & Potassium Iodide solution
  3. Solution that refers to the quantity of solute in a given volume of solution
  4. A chemical reaction that absorbs energy (int the form of heat) from the surroundings
  5. Energy change of a chemical reaction is called Heat of _______

10 Clues: Reaction between Hydrochloric Acid & Silver Nitrate Solution • Energy change of a chemical reaction is called Heat of _______ • Energy change when ___ mole of precipitate is formed from its ions • Reaction between Lead (II) Nitrate solution & Potassium Iodide solution • Solution that refers to the quantity of solute in a given volume of solution • ...

Chemistry 2024-08-30

Chemistry crossword puzzle
Across
  1. positively charged unit
  2. a substance with two or more elements
  3. composed of protons and neutrons
  4. negatively charged unit
  5. the starting molecules of a chemical reaction
  6. an atom the has an unequal number of protons and electrons
  7. a chemical bond that forms between two molecules, one with a partially positive hydrogen and one with a partial negative atom
Down
  1. smallest unit of matter
  2. a chemical bond that results from the attraction between oppositely charged ions
  3. a substance that cannot be broken down into other substances
  4. the final molecules of a chemical reaction.
  5. three words; a chemical bond that results from the transient local partial charges of two molecules
  6. anything that takes up space and has mass
  7. form of an element with the same number of protons but differing number of neutrons
  8. a chemical bond that is formed due to the sharing of a pair of electrons
  9. form of an element with an unstable nucleus
  10. electrically neutral

17 Clues: electrically neutral • smallest unit of matter • positively charged unit • negatively charged unit • composed of protons and neutrons • a substance with two or more elements • anything that takes up space and has mass • the final molecules of a chemical reaction. • form of an element with an unstable nucleus • the starting molecules of a chemical reaction • ...

75 2025-11-13

75 crossword puzzle
Across
  1. Slows down a reaction
  2. Substance formed in reaction
  3. Matter cannot be created or destroyed
  4. Absorbs heat
  5. Rule based on repeated experiments
  6. Releases heat
  7. Scientific test
  8. Chemical representation of a substance
  9. Element with mixed properties
  10. Testable prediction
  11. Starting material in reaction
  12. Collected information
  13. Element that lacks metallic properties
  14. Well-supported scientific explanation
Down
  1. Symbolic expression of a reaction
  2. Column in periodic table
  3. Unit for counting atoms or molecules
  4. Constant in an experiment
  5. Factor that changes in an experiment
  6. Path of electron around nucleus
  7. Speeds up a reaction
  8. Row in periodic table
  9. Using senses to gather information
  10. Scientist known for gas law constant
  11. Element that conducts electricity

25 Clues: Absorbs heat • Releases heat • Scientific test • Testable prediction • Speeds up a reaction • Slows down a reaction • Row in periodic table • Collected information • Column in periodic table • Constant in an experiment • Substance formed in reaction • Element with mixed properties • Starting material in reaction • Path of electron around nucleus • Symbolic expression of a reaction • ...

Ch. 13 by Jazmin Todd 2018-03-05

Ch. 13 by Jazmin Todd crossword puzzle
Across
  1. A measure of the concentration of hydronium ions is known as what?
  2. Type of chemical reaction where oxides are formed.
  3. Type of chemical reaction where 2 elements switch "partners"
  4. Bond energy can also be known as what?
  5. A substance that lowers the activation energy of a chemical reaction.
Down
  1. States that no atoms are gained or lost in a reaction.
  2. During a _____ reaction, one or more new compounds are formed
  3. The amount of energy required to pull two bonded atoms apart.
  4. How quickly the concentration of reactants increases and decreases
  5. What molecules have to make physical contact with each other to form products?

10 Clues: Bond energy can also be known as what? • Type of chemical reaction where oxides are formed. • States that no atoms are gained or lost in a reaction. • Type of chemical reaction where 2 elements switch "partners" • During a _____ reaction, one or more new compounds are formed • The amount of energy required to pull two bonded atoms apart. • ...

Density & The Law of Conservation of Mass 2024-11-26

Density & The Law of Conservation of Mass crossword puzzle
Across
  1. also known as Acetic Acid
  2. an element with the atomic number of 8
  3. the small number in a chemical formula that is after a chemical symbol
  4. having different elements in the correct proportions on each side
  5. how closely the particles are packed in a substance
  6. an element with an atomic number of 7
  7. element with an atomic number of 6
  8. another name for Sodium Bicarbonate
  9. the result of a chemical reaction
  10. the smallest building block of life
  11. to save, keep, or hold on to
  12. represented by the chemical formula of H2O
  13. an element with an atomic number of 1
Down
  1. a state of matter where the particles are somewhat densely packed together
  2. when elements are bonded together
  3. another name for vinegar
  4. a gas composed of one carbon atom and two oxygen atoms
  5. relating to heat
  6. the amount of matter inside an object
  7. anything that has mass and takes up space
  8. a number that is placed in front of the chemical formula of a compound
  9. a process where reactants turn into products
  10. the molecules & compounds of a chemical formula before they are combined
  11. one of the products of the chemical reaction between vinegar & baking soda

24 Clues: relating to heat • another name for vinegar • also known as Acetic Acid • to save, keep, or hold on to • when elements are bonded together • the result of a chemical reaction • element with an atomic number of 6 • another name for Sodium Bicarbonate • the smallest building block of life • the amount of matter inside an object • an element with an atomic number of 7 • ...

Chemically Intense 2025-02-20

Chemically Intense crossword puzzle
Across
  1. Atoms that have the same number of protons but different number of neutrons
  2. A substance that is dissolved in water
  3. The measure of atom's ability to attract electrons in a bond
  4. The study of quantitative relationship between chemical formulas and chemical equations
  5. A type of bond formed by the sharing of electrons between non-metal atoms
  6. The element with one proton only
  7. A symbolic presentation of a chemical reaction
  8. Involve reactions of hydrocarbon compounds and compounds containing C, H and O atoms
Down
  1. An analytical method using experiment in which the unknown molarity of a substance (analyte) is measured by using the known molarity of another substance (titrant)
  2. A covalent bond in which electrons are shared unequally
  3. The rule stating the atoms tend to gain, lose or share electrons to achieve eight valence electrons
  4. The substance that is left over after a reaction is completed
  5. The product formed after a reaction occur
  6. A molecule with a symmetrical charge distribution, making it unpolar
  7. The shape of a water molecule due to lone pairs on the oxygen atom
  8. The amount of substance that contains as many entities (molecules/atoms/ions) as the number of atoms in exactly 12 g of carbon-12 isotope
  9. The electrostatic force that holds ions together in an ionic compound
  10. A chemical reaction between an acid and a base to form salt and water
  11. The reactant that determines the amount of product that can be formed

19 Clues: The element with one proton only • A substance that is dissolved in water • The product formed after a reaction occur • A symbolic presentation of a chemical reaction • A covalent bond in which electrons are shared unequally • The measure of atom's ability to attract electrons in a bond • The substance that is left over after a reaction is completed • ...

Chapter 3 Vocab 2025-03-17

Chapter 3 Vocab crossword puzzle
Across
  1. a change of materials into another, new materials with different properties and one or more than one new substances are formed.
  2. any of a class of organic chemicals made up of only the elements carbon (C) and hydrogen (H).
  3. to make it neutral or harmless.
  4. a whole number placed in front of a chemical formula in a balanced chemical equation that indicates how many molecules or moles of that substance are involved in the reaction.
  5. the unit of measurement in the International System of Units (SI) for amount of substance.
  6. cause (a substance) to be deposited in solid form from a solution.
  7. a substance that takes part in and undergoes change during a reaction.
  8. a substance that is present at the end of a chemical reaction.
  9. The number of units in one mole of any substance
Down
  1. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  2. 'mass per mole.'
  3. one where no matter can enter or leave, but energy (like heat) can be exchanged freely.
  4. a representation of a chemical reaction that shows only the formulas of the reactants and products, without indicating their relative amounts or balancing the equation.
  5. chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
  6. one that allows the exchange of both matter and energy with its surroundings.

15 Clues: 'mass per mole.' • to make it neutral or harmless. • The number of units in one mole of any substance • a substance that is present at the end of a chemical reaction. • cause (a substance) to be deposited in solid form from a solution. • a substance that takes part in and undergoes change during a reaction. • ...

Reactions, Catalysis, and Biochemistry 2025-01-21

Reactions, Catalysis, and Biochemistry crossword puzzle
Across
  1. An ionic compound formed from an acid-base reaction.
  2. Proteins with carbohydrate groups attached.
  3. scale A scale measuring the acidity or basicity of a solution.
  4. Proteins that speed up chemical reactions.
  5. The process of building complex molecules from simpler ones.
  6. Long chains of monosaccharides.
  7. The study of chemical processes in living organisms.
  8. The amount of solute in a given volume of solution.
  9. The process of breaking down molecules to release energy.
  10. A measure of the kinetic energy of particles.
  11. reaction A reaction that absorbs energy.
  12. A substance that reduces H+ concentration in a solution.
  13. A substance that stabilizes pH by neutralizing acids or bases.
  14. synthesis A reaction that removes water to bond molecules.
  15. A substance that increases H+ concentration in a solution.
  16. Water-loving; soluble in water.
  17. A pH below 7.
  18. Substances that conduct electricity in solution.
  19. reaction A reaction that forms a larger molecule from smaller ones.
  20. A strong base.
  21. Molecules with the same formula but different structures.
  22. ion A negatively charged ion (OH-).
Down
  1. Water-fearing; not soluble in water.
  2. A substance that lowers activation energy and speeds up reactions.
  3. ion A positively charged hydrogen atom (H+).
  4. Simple sugars, such as glucose.
  5. reaction A reaction that builds complex molecules.
  6. A storage polysaccharide in animals.
  7. reaction A reaction where electrons are transferred.
  8. A pH above 7.
  9. Small units that combine to form polymers.
  10. compounds Compounds that do not contain carbon-hydrogen bonds.
  11. A pH of 7, neither acidic nor basic.
  12. compounds Carbon-containing compounds found in living things.
  13. A reaction that uses water to break bonds.
  14. reactions A reaction that releases energy.
  15. Large molecules made of repeating units.
  16. A monosaccharide and primary energy source for cells.
  17. The maintenance of a stable internal environment.
  18. Sugars made of two monosaccharides.
  19. reaction A reaction involving both synthesis and decomposition.
  20. Lipids with carbohydrate groups attached.

42 Clues: A pH above 7. • A pH below 7. • A strong base. • Simple sugars, such as glucose. • Long chains of monosaccharides. • Water-loving; soluble in water. • Sugars made of two monosaccharides. • ion A negatively charged ion (OH-). • Water-fearing; not soluble in water. • A storage polysaccharide in animals. • A pH of 7, neither acidic nor basic. • ...

Routt Chem 22-31 2023-09-27

Routt Chem 22-31 crossword puzzle
Across
  1. a strong chemical bond formed when atoms share pairs of electrons
  2. chemical reaction which links atoms/molecules together to form bigger ones
  3. chemical reaction which breaks atoms/molecules apart to form smaller ones
  4. a neutral molecule that is slightly positive on one end and slightly negative on the other end
  5. a weak chemical bond formed by the attraction of polar molecules
Down
  1. these hold atoms together to form molecules.
  2. atoms combine with other atoms or atoms dissociate from other atoms
  3. a strong chemical bond formed by the attraction of oppositely charged ions.
  4. a molecule composed of two or more different elements
  5. number of kinds of chemical bonds
  6. both a synthesis and decomposition reaction

11 Clues: number of kinds of chemical bonds • both a synthesis and decomposition reaction • these hold atoms together to form molecules. • a molecule composed of two or more different elements • a weak chemical bond formed by the attraction of polar molecules • a strong chemical bond formed when atoms share pairs of electrons • ...

Concept 1 and 2 Matter Words 2020-01-10

Concept 1 and 2 Matter Words crossword puzzle
Across
  1. / Mass per unit volume. P=M over V
  2. / Simplest version of matter, mostly found in the periodic table.
  3. / The scattering of light by a mixture
  4. / How easily something can be set on fire.
  5. / The tendency of a substance to undergo a chemical reaction.
  6. / The temperature where a liquid turns into a gas.
  7. / Two or more substances physically combined.
Down
  1. / All particles in matter are identical.
  2. / The temperature where a solid turns into a liquid.
  3. / Small particles remained dispersed throughout the mixture.
  4. / Matter is neither destroyed or created, which means there is the same number and types of atoms before and after a chemical change.
  5. Reaction / A process where one or more substances convert to one or more different substances.
  6. / Two or more elements chemically combined in a fixed proportion.
  7. / The resistance of a fluid's flow.
  8. / Larger particles that appear uniformly distributed but will settle out of the mixture over time or if not being mixed.
  9. / Any chemical reaction that involves the moving of electrons.
  10. / Anything that takes up space and has mass.

17 Clues: / Mass per unit volume. P=M over V • / The resistance of a fluid's flow. • / The scattering of light by a mixture • / All particles in matter are identical. • / How easily something can be set on fire. • / Anything that takes up space and has mass. • / Two or more substances physically combined. • / The temperature where a liquid turns into a gas. • ...

Bailey martins MACROMOLECULES 2020-11-19

Bailey martins MACROMOLECULES crossword puzzle
Across
  1. involves the breaking of many of the weak linkages,
  2. the smallest unit of matter that retains all of the chemical properties
  3. All living things contain this
  4. gullet is an organ in vertebrates which consists of a muscular
  5. molecular compounds made from just three elements
  6. Exothermic. describes a chemical reaction that releases energy
  7. food that has been chewed and mixed in the mouth with saliva
  8. the region of an enzyme where substrate molecules bind and undergo a chemical reaction.
  9. so-called warm-blooded animals;
  10. a thick semifluid mass of partially digested food and digestive secretions that is formed in the stomach
Down
  1. is the main type of sugar in the blood
  2. A colorless, odorless, gaseous element,
  3. Activation energy is the amount of energy required to reach the transition state.
  4. A substance that speeds up a chemical reaction a process that converts one or more substances to another substance.
  5. a small hollow organ where bile is stored and concentrated
  6. saliva and pancreatic juice that catalyzes the hydrolysis
  7. macronutrients

17 Clues: macronutrients • All living things contain this • so-called warm-blooded animals; • is the main type of sugar in the blood • A colorless, odorless, gaseous element, • molecular compounds made from just three elements • involves the breaking of many of the weak linkages, • saliva and pancreatic juice that catalyzes the hydrolysis • ...

Chemical Balance Crossword Puzzle 2024-12-11

Chemical Balance Crossword Puzzle crossword puzzle
Across
  1. element and compounds after a chemical reaction takes place
  2. anything that takes up space and has mass
  3. can never be created nor destroyed
  4. element and compounds before a chemical reaction takes place
  5. chemical equations MUST be balanced on both sides according to the law of conservation
  6. A balanced chemical equation correctly shows that no mass was created or destroyed during the reaction.
Down
  1. French Chemist
  2. Atoms are destroyed
  3. When matter changes identity rather than just form
  4. It shows which direction that the reaction is going or becoming a compound.

10 Clues: French Chemist • Atoms are destroyed • can never be created nor destroyed • anything that takes up space and has mass • When matter changes identity rather than just form • element and compounds after a chemical reaction takes place • element and compounds before a chemical reaction takes place • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Releases of absorbs energy
  2. Mass is neither created of destroyed
  3. A substance obtained from another substance through chemical change
  4. Equally balanced state
  5. Speeds up the chemical reaction
Down
  1. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life
  2. Something that releases energy
  3. Any substance that undergoes a chemical change
  4. Chemical reaction causing a rearrangement of atoms
  5. Absorbs heat
  6. Slows down chemical change

11 Clues: Absorbs heat • Equally balanced state • Releases of absorbs energy • Slows down chemical change • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Equally balanced state
  2. Absorbs heat
  3. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life
  4. Slows down chemical change
  5. Speeds up the chemical reaction
  6. Any substance that undergoes a chemical change
Down
  1. Something that releases energy
  2. Chemical reaction causing a rearrangement of atoms
  3. Releases of absorbs energy
  4. A substance obtained from another substance through chemical change
  5. Mass is neither created of destroyed

11 Clues: Absorbs heat • Equally balanced state • Releases of absorbs energy • Slows down chemical change • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

CHEM REVIEW 2024-10-03

CHEM REVIEW crossword puzzle
Across
  1. bond that transfers electrons
  2. factor that influences the rate of reaction
  3. center of the atom
  4. elements on the left of the periodic table
  5. substances at the end of a chemical reaction
  6. particle of the atom with no charge
Down
  1. bond that shares electrons
  2. type of salt made from nitric acid
  3. substances at the start of a chemical reaction
  4. type of salt made from sulfuric acid
  5. negative particle of the atom
  6. type of reaction between acids and metals

12 Clues: center of the atom • bond that shares electrons • bond that transfers electrons • negative particle of the atom • type of salt made from nitric acid • particle of the atom with no charge • type of salt made from sulfuric acid • type of reaction between acids and metals • elements on the left of the periodic table • factor that influences the rate of reaction • ...

Crossword Puzzle 2020-12-13

Crossword Puzzle crossword puzzle
Across
  1. It is the change in temperature where it increases when it favors the forward reaction.
  2. earth ,The fourth cation subgroup.
  3. An ion with a negative charge.
  4. In Le Châtelier’s Principle, change in concentration, what is the shift when it increases the concentration of the products.
  5. An ion with a positive charge.
  6. Energy, Minimum amount of energy required to initiate a chemical reaction.
  7. Name of Group 3 Cation Group is _________ Sulfide Group.
  8. Analysis, The type of analysis that identifies the compound.
  9. In Le Châtelier’s Principle, change in volume and pressure, what happens to the volume when the shift in equilibrium is to side with fewest moles of gas?
  10. Name of Group 2 Cation Group is _________ Sulfide Group.
  11. This is one of the factors affecting chemical equilibrium which is expressed in terms of molarity.
  12. measure of how hot or cold something is the amount of force exerted per area.
  13. These are insoluble substances produced in a reaction.
  14. In Le Châtelier’s Principle, change in volume and pressure, what happens to the pressure when the shift in equilibrium is to side with fewest moles of gas?
Down
  1. This substance is used to hasten the reaction but it is not consumed in the reaction process.
  2. test, It is the process in which reagents are added to the unknown ion in order to determine its identity.
  3. Châtelier’s Principle, It is a principle of chemistry used to predict the effect of a change in conditions on chemical equilibria.
  4. It is the change in temperature where it increases when it favors the backward reaction.
  5. Chemistry, The branch of Chemistry that deals with the nature of the substance making up the compound.
  6. luminous, This type of flame is characterized by its blue color.
  7. Test, It is an analytical procedure in which heat is incorporated to determine the presence of certain elements.
  8. It is the property of a solute to dissolve in a substance
  9. In Le Châtelier’s Principle, change in concentration, what is the shift when it increases the concentration of reactants.
  10. Gtts means –
  11. Green, It is the color of a barium ion flame.
  12. Species that result from the reaction of chemicals.
  13. A substance or mixture that is used to ensue chemical reactions for analysis.
  14. Reactions are accompanied by __________ effects that are easily recognizable.
  15. Complex, These are highly unstable species with a high potential energy.
  16. This is one of the factors affecting chemical equilibrium that measure of how hot or cold something is.

30 Clues: Gtts means – • An ion with a negative charge. • An ion with a positive charge. • earth ,The fourth cation subgroup. • Green, It is the color of a barium ion flame. • Species that result from the reaction of chemicals. • These are insoluble substances produced in a reaction. • Name of Group 3 Cation Group is _________ Sulfide Group. • ...

Year 9 Revision - Chemistry 2013-11-19

Year 9 Revision - Chemistry crossword puzzle
Across
  1. A scale which shows how acidic or basic a substance is.
  2. Acids usually taste ______.
  3. A very strong base
  4. A reaction where a fuel reacts with oxygen to produce carbon dioxide and water.
  5. A type of reaction which results in the products getting cooler.
  6. The substances you begin with in a chemical reaction
  7. A fruit that is considered acidic.
Down
  1. A substance with a pH of 7.
  2. A reaction that gives off heat and energy very quickly (e.g. dynamite)
  3. The substances that are left over after a chemical reaction
  4. The law of ______________ of mass states that the mass of the products is the same as the mass of the products.
  5. Bases usually taste ________.
  6. A reaction which gives off heat and energy.
  7. Acids and bases are considered _________, which means they eat away at solid substances

14 Clues: A very strong base • A substance with a pH of 7. • Acids usually taste ______. • Bases usually taste ________. • A fruit that is considered acidic. • A reaction which gives off heat and energy. • The substances you begin with in a chemical reaction • A scale which shows how acidic or basic a substance is. • The substances that are left over after a chemical reaction • ...

Chemistry - vin 2023-11-15

Chemistry - vin crossword puzzle
Across
  1. A term used to describe oxidised organic meterial
  2. A chemical reaction in which a substance reacts with oxygen-the reaction is exothermic
  3. A liquid subtance
  4. a number given to show whether an element has been oxidation reduce
  5. a reaction involving both reductions and oxidation
  6. A element symbol of natrium
  7. air substance
Down
  1. the name given to the process that take place when metal and alloys are chemically attacked by oxygen
  2. A subtance that reduce anither subtance redox reaction and it self oxidised during the reaction
  3. A element with 1 atomic number
  4. the chemical reaction by biology cell release the energy stored in glucose
  5. A element symbol of chlorine

12 Clues: air substance • A liquid subtance • A element symbol of natrium • A element symbol of chlorine • A element with 1 atomic number • A term used to describe oxidised organic meterial • a reaction involving both reductions and oxidation • a number given to show whether an element has been oxidation reduce • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Slows down chemical change
  2. Speeds up the chemical reaction
  3. Absorbs heat
  4. A substance obtained from another substance through chemical change
Down
  1. Equally balanced state
  2. Mass is neither created of destroyed
  3. Chemical reaction causing a rearrangement of atoms
  4. Something that releases energy
  5. Releases of absorbs energy
  6. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life
  7. Any substance that undergoes a chemical change

11 Clues: Absorbs heat • Equally balanced state • Slows down chemical change • Releases of absorbs energy • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Mass is neither created of destroyed
  2. Any substance that undergoes a chemical change
  3. Equally balanced state
  4. Releases of absorbs energy
  5. Something that releases energy
Down
  1. Speeds up the chemical reaction
  2. Slows down chemical change
  3. Absorbs heat
  4. Chemical reaction causing a rearrangement of atoms
  5. A substance obtained from another substance through chemical change
  6. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life

11 Clues: Absorbs heat • Equally balanced state • Slows down chemical change • Releases of absorbs energy • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Michelle Cajigal. Oxidation 2022-01-18

Michelle Cajigal. Oxidation crossword puzzle
Across
  1. It is when a chemical species or substance is transformed, changing its molecular structure.
  2. A chemical reaction that occurs when a substance comes into contact with oxygen or any other oxidizing substance.
  3. a chemical element and its compounds in their natural or obtained state.
  4. is a sequence of actions which are carried out to achieve a certain end.
  5. It is a transformation which changes the appearance, but never its chemical nature.
  6. a result obtained from an event.
  7. It is a change in the elements.
Down
  1. when elements have a communication relationship between them
  2. is a substance added to a system to cause a chemical reaction.
  3. is a measure referring to the common notions of hot or cold.
  4. It is a gaseous, colorless, highly reactive chemical element present in all living things and essential for respiration.
  5. It is a symbolic description of a chemical reaction, which shows the substances that react.

12 Clues: It is a change in the elements. • a result obtained from an event. • is a measure referring to the common notions of hot or cold. • when elements have a communication relationship between them • is a sequence of actions which are carried out to achieve a certain end. • ...

Balancing Equations 2013-04-08

Balancing Equations crossword puzzle
Across
  1. a state of matter represented by the letter "l" in a chemical equation
  2. a state of matter represented by the letter "g" in a chemical equation
  3. mass is neither created nor destroyed. The mass you start with you will end with.
  4. something that speeds up reaction without being used up
  5. a state of matter represented by the letter "s" in a chemical equation
Down
  1. a chemical equation in which the amount of the products and reactants are not equal
  2. what is used up during a chemical reaction. Located to the left of the equation
  3. the mass of a compound. Determined by using a periodic table
  4. a chemical equation in which the amount of products and reactants are equal
  5. what is made during a chemical reaction. Located to the right of the equation
  6. the large whole number placed in front of a compound when balancing
  7. represented by an arrow. Means produces(makes)

12 Clues: represented by an arrow. Means produces(makes) • the mass of a compound. Determined by using a periodic table • something that speeds up reaction without being used up • a chemical equation in which the amount of products and reactants are equal • the large whole number placed in front of a compound when balancing • ...

Topic 2.6 Enzyme Quick Quiz 2025-09-23

Topic 2.6 Enzyme Quick Quiz crossword puzzle
Across
  1. Organic polymer composed of amino acids
  2. Substance that is changed by a chemical reaction
  3. Biological catalyst that helps reactions occur in organisms
  4. Substance formed by a chemical reaction
  5. Substance that increases the reaction rate of a chemical reaction
  6. Building blocks of proteins
Down
  1. The ability to maintain a stable internal environment
  2. Unused or excess material produced by organisms or systems
  3. Materials or energy that enter a system
  4. Materials or energy that exit a system

10 Clues: Building blocks of proteins • Materials or energy that exit a system • Organic polymer composed of amino acids • Materials or energy that enter a system • Substance formed by a chemical reaction • Substance that is changed by a chemical reaction • The ability to maintain a stable internal environment • Unused or excess material produced by organisms or systems • ...

Chemical reactions 2023-12-21

Chemical reactions crossword puzzle
Across
  1. Evidence of a chemical reaction.
  2. A reactive metal near the top of the reactivity series.
  3. A list of metals from most to least reactive.
  4. A chemical reaction where a more reactive metal "steals" from a less reactive metal.
  5. A waste product of combustion.
Down
  1. This is conserved during a chemical reaction.
  2. When combustion occurs but there isn't a plentiful supply of oxygen so carbon and carbon monoxide are formed as waste products.
  3. When something new is made and it is difficult to reverse.
  4. The chemical reaction where fuels react with oxygen to release energy.
  5. A very unreactive metal that we use for jewellery.
  6. A reversible change where nothing new is made.

11 Clues: A waste product of combustion. • Evidence of a chemical reaction. • This is conserved during a chemical reaction. • A list of metals from most to least reactive. • A reversible change where nothing new is made. • A very unreactive metal that we use for jewellery. • A reactive metal near the top of the reactivity series. • ...

IPC DCA review day 4 2021-12-15

IPC DCA review day 4 crossword puzzle
Across
  1. a type of chemical reaction that ALWAYS has carbon dioxide and water as products and is characterized by massive light and heat
  2. according to the law of conservation of ____, if the reactants add up to a total of 34 grams then the products must add up to a total of 34 grams
  3. the type of radiation that is the STRONGEST and can be stopped with concrete or lead
  4. A + B + C + D -> ABCD
  5. XYZA -> x + y + z + A
  6. a chemical reaction that feels COLD
  7. a ___ reaction is part of FISSION and is the process of one nucleus busting up and more and more and more like a domino until it finally runs out of fuel
Down
  1. a solution that is dissolving more solutes than theoretically possible because it was heated and is now forming crystals
  2. the small number after an element
  3. can you ever change a subscript when balancing an equation?
  4. always on the left
  5. a solution with very FEW solutes and COULD dissolve more
  6. always on the right
  7. the type of radiation that is the WEAKEST and can be stopped with just a piece of paper
  8. a type of nuclear reaction that takes place in the stars
  9. a chemical reaction that feels HOT
  10. the big number at the start of a molecule

17 Clues: always on the left • always on the right • A + B + C + D -> ABCD • XYZA -> x + y + z + A • the small number after an element • a chemical reaction that feels HOT • a chemical reaction that feels COLD • the big number at the start of a molecule • a solution with very FEW solutes and COULD dissolve more • a type of nuclear reaction that takes place in the stars • ...

Chemistry module 13- HRDL 2023-04-19

Chemistry module 13- HRDL crossword puzzle
Across
  1. enthalpy is a state function
  2. the heat associated with absorbing or releasing during a chemical reaction
  3. the delta H of a formation reaction
  4. measure of a disorder that exists in any system
  5. a process that releases heat
  6. the energy necessary to start a chemical reaction
  7. the energy stored in a substance
  8. a process that absorbs heat
Down
  1. delta H - T*delta S
  2. when the delta G is less than 0
  3. _______ is energy stored in the chemical bonds of a substance
  4. change in enthalpy

12 Clues: change in enthalpy • delta H - T*delta S • a process that absorbs heat • enthalpy is a state function • a process that releases heat • when the delta G is less than 0 • the energy stored in a substance • the delta H of a formation reaction • measure of a disorder that exists in any system • the energy necessary to start a chemical reaction • ...

chemical reaction 2023-01-23

chemical reaction crossword puzzle
Across
  1. of a gas
  2. in Odor.
  3. is emitted
  4. of gas
Down
  1. of an odor.
  2. is Being Produced.
  3. change

7 Clues: change • of gas • of a gas • in Odor. • is emitted • of an odor. • is Being Produced.

Chemical Reaction 2023-04-21

Chemical Reaction crossword puzzle
Across
  1. a compound or substance that has been purified or prepared, especially artificially.
  2. substance made by mixing other substances together.
  3. a particular kind of matter with uniform properties.
Down
  1. the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
  2. makes up everything
  3. a coherent, typically large body of matter with no definite shape.

6 Clues: makes up everything • substance made by mixing other substances together. • a particular kind of matter with uniform properties. • a coherent, typically large body of matter with no definite shape. • a compound or substance that has been purified or prepared, especially artificially. • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Any substance that undergoes a chemical change
  2. Mass is neither created of destroyed
  3. A substance obtained from another substance through chemical change
  4. Slows down chemical change
  5. Something that releases energy
  6. Chemical reaction causing a rearrangement of atoms
Down
  1. Speeds up the chemical reaction
  2. Equally balanced state
  3. Absorbs heat
  4. Releases of absorbs energy
  5. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life

11 Clues: Absorbs heat • Equally balanced state • Releases of absorbs energy • Slows down chemical change • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Equally balanced state
  2. Releases of absorbs energy
  3. Absorbs heat
  4. A substance obtained from another substance through chemical change
  5. Chemical reaction causing a rearrangement of atoms
Down
  1. Mass is neither created of destroyed
  2. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life
  3. Speeds up the chemical reaction
  4. Any substance that undergoes a chemical change
  5. Something that releases energy
  6. Slows down chemical change

11 Clues: Absorbs heat • Equally balanced state • Releases of absorbs energy • Slows down chemical change • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Chemical reaction causing a rearrangement of atoms
  2. Releases of absorbs energy
  3. Something that releases energy
  4. Mass is neither created of destroyed
Down
  1. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life
  2. Any substance that undergoes a chemical change
  3. Equally balanced state
  4. Speeds up the chemical reaction
  5. Absorbs heat
  6. A substance obtained from another substance through chemical change
  7. Slows down chemical change

11 Clues: Absorbs heat • Equally balanced state • Slows down chemical change • Releases of absorbs energy • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Releases of absorbs energy
  2. Speeds up the chemical reaction
  3. Slows down chemical change
  4. Absorbs heat
Down
  1. Something that releases energy
  2. Any substance that undergoes a chemical change
  3. Mass is neither created of destroyed
  4. Chemical reaction causing a rearrangement of atoms
  5. Equally balanced state
  6. A substance obtained from another substance through chemical change
  7. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life

11 Clues: Absorbs heat • Equally balanced state • Releases of absorbs energy • Slows down chemical change • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Chemical reaction causing a rearrangement of atoms
  2. Slows down chemical change
  3. Something that releases energy
  4. Absorbs heat
  5. Speeds up the chemical reaction
Down
  1. Releases of absorbs energy
  2. Mass is neither created of destroyed
  3. A substance obtained from another substance through chemical change
  4. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life
  5. Any substance that undergoes a chemical change
  6. Equally balanced state

11 Clues: Absorbs heat • Equally balanced state • Releases of absorbs energy • Slows down chemical change • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Science Vocabulary 2013-12-13

Science Vocabulary crossword puzzle
Across
  1. Releases of absorbs energy
  2. Mass is neither created of destroyed
  3. A substance obtained from another substance through chemical change
  4. Chemical reaction causing a rearrangement of atoms
  5. Any substance that undergoes a chemical change
Down
  1. Something that releases energy
  2. Equally balanced state
  3. Slows down chemical change
  4. Absorbs heat
  5. Speeds up the chemical reaction
  6. Are the biological substance that act as catalysts and help complex reactions occur everywhere in life

11 Clues: Absorbs heat • Equally balanced state • Slows down chemical change • Releases of absorbs energy • Something that releases energy • Speeds up the chemical reaction • Mass is neither created of destroyed • Any substance that undergoes a chemical change • Chemical reaction causing a rearrangement of atoms • A substance obtained from another substance through chemical change • ...

Endo and exothermic reactions year 8 2025-02-11

Endo and exothermic reactions year 8 crossword puzzle
Across
  1. Reaction where energy is taken in from surroundings.
  2. In an exothermic reaction which has higher energy the reactants or the products?
  3. A change in which a new substance if formed.
  4. Conservation of _________ when the mass of reactants = mass of products in a closed system.
  5. Biological catalyst
  6. Force that holds atoms together in molecules.
Down
  1. One that changes the physical properties of a substance, but no new substance is formed.
  2. ____________ variable the thing you change (x axis).
  3. Substances formed in a chemical reaction, shown after the reaction arrow in an equation
  4. balanced or equal
  5. Substances that react together, show before the arrow in an equation.
  6. ___________ variable things you keep the same to make results valid.
  7. Substance that speeds up a chemical reaction but are unchanged at the end (can be reused).
  8. Reaction where energy is given out (transferred to surroundings) as heat
  9. ___________ variable the thing you measure (y axis).

15 Clues: balanced or equal • Biological catalyst • A change in which a new substance if formed. • Force that holds atoms together in molecules. • Reaction where energy is taken in from surroundings. • ____________ variable the thing you change (x axis). • ___________ variable the thing you measure (y axis). • ___________ variable things you keep the same to make results valid. • ...

3 2025-11-24

3 crossword puzzle
Across
  1. Slows down a reaction
  2. Substance formed in reaction
  3. Matter cannot be created or destroyed
  4. Absorbs heat
  5. Rule based on repeated experiments
  6. Releases heat
  7. Scientific test
  8. Chemical representation of a substance
  9. Element with mixed properties
  10. Testable prediction
  11. Starting material in reaction
  12. Collected information
  13. Element that lacks metallic properties
  14. Well-supported scientific explanation
Down
  1. Symbolic expression of a reaction
  2. Column in periodic table
  3. Unit for counting atoms or molecules
  4. Constant in an experiment
  5. Factor that changes in an experiment
  6. Path of electron around nucleus
  7. Speeds up a reaction
  8. Row in periodic table
  9. Using senses to gather information
  10. Scientist known for gas law constant
  11. Element that conducts electricity

25 Clues: Absorbs heat • Releases heat • Scientific test • Testable prediction • Speeds up a reaction • Slows down a reaction • Row in periodic table • Collected information • Column in periodic table • Constant in an experiment • Substance formed in reaction • Element with mixed properties • Starting material in reaction • Path of electron around nucleus • Symbolic expression of a reaction • ...

Physical vs Chemical Changes Review 2023-11-07

Physical vs Chemical Changes Review crossword puzzle
Across
  1. a state of matter which has a fixed volume, but no fixed shape
  2. the basic unit of a chemical element
  3. a liquid turning into a gas through the addition of energy; a physical change
  4. another word to describe a chemical change
  5. solid particles formed or separated out of a liquid; evidence of a chemical change
  6. chemical digestion uses these chemicals to speed up reactions
  7. a change in this means an increase or decrease of heat energy in a substance; may be evidence of a chemical change
  8. a change in the way something reflects light; can indicate a chemical change
  9. a change that involves substances being pulled apart or combined to form completely different substances
  10. a chemical reaction in plants that changes carbon dioxide and water into oxygen and water
  11. a group of atoms bonded together; may be the same or different elements
  12. a characteristics that can be observed or measured only when atoms rearrange during a chemical change
  13. distinct forms of matter: solid, liquid, gas; also referred to as phases
  14. a substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction
Down
  1. the universal solvent, dissolves the most substances
  2. breaking food down into nutrients
  3. evidence that a gas is formed
  4. anything that has volume and mass
  5. breaking type of digestion that uses physical means (grinding, tearing, mashing)
  6. state of matter that expands to fill its container and has no fixed shape or volume
  7. usually a physical change, the even distribution of molecules within a solvent
  8. a characteristic that can be observed or measured without changing the substance
  9. physical and chemical characteristics of matter used to describe or identify a substance
  10. a solid turning into a liquid through the addition of energy; a physical change
  11. a pure substance composed of the same type of atom throughout
  12. a liquid turning into a solid through the removal of energy; a physical change
  13. the state or process of rotting or decay; a chemical change
  14. a state of matter with a fixed volume and shape
  15. a change to a substance that occurs without forming a new substance

29 Clues: evidence that a gas is formed • breaking food down into nutrients • anything that has volume and mass • the basic unit of a chemical element • another word to describe a chemical change • a state of matter with a fixed volume and shape • the universal solvent, dissolves the most substances • the state or process of rotting or decay; a chemical change • ...

f75 2025-11-22

f75 crossword puzzle
Across
  1. Slows down a reaction
  2. Substance formed in reaction
  3. Matter cannot be created or destroyed
  4. Absorbs heat
  5. Rule based on repeated experiments
  6. Releases heat
  7. Scientific test
  8. Chemical representation of a substance
  9. Element with mixed properties
  10. Testable prediction
  11. Starting material in reaction
  12. Collected information
  13. Element that lacks metallic properties
  14. Well-supported scientific explanation
Down
  1. Symbolic expression of a reaction
  2. Column in periodic table
  3. Unit for counting atoms or molecules
  4. Constant in an experiment
  5. Factor that changes in an experiment
  6. Path of electron around nucleus
  7. Speeds up a reaction
  8. Row in periodic table
  9. Using senses to gather information
  10. Scientist known for gas law constant
  11. Element that conducts electricity

25 Clues: Absorbs heat • Releases heat • Scientific test • Testable prediction • Speeds up a reaction • Slows down a reaction • Row in periodic table • Collected information • Column in periodic table • Constant in an experiment • Substance formed in reaction • Element with mixed properties • Starting material in reaction • Path of electron around nucleus • Symbolic expression of a reaction • ...

Crossword Puzzle 2020-12-13

Crossword Puzzle crossword puzzle
Across
  1. Minimum amount of energy required to initiate a chemical reaction.
  2. It is the process in which reagents are added to the unknown ion in order to determine its identity.
  3. It is a principle of chemistry used to predict the effect of a change in conditions on chemical equilibria.
  4. In Le Châtelier’s Principle, change in concentration, what is the shift when it increases the concentration of the products.
  5. In Le Châtelier’s Principle, change in concentration, what is the shift when it increases the concentration of reactants.
  6. Species that result from the reaction of chemicals.
  7. The branch of Chemistry that deals with the nature of the substance making up the compound.
  8. These are insoluble substances produced in a reaction.
  9. Reactions are accompanied by __________ effects that are easily recognizable.
  10. This substance is used to hasten the reaction but it is not consumed in the reaction process.
  11. It is the change in temperature where it increases when it favors the backward reaction.
  12. It is the change in temperature where it increases when it favors the forward reaction.
  13. This is one of the factors affecting chemical equilibrium that measure of how hot or cold something is.
  14. Name of Group 3 Cation Group is _________ Sulfide Group.
  15. It is the property of a solute to dissolve in a substance
Down
  1. It is the color of a barium ion flame.
  2. Name of Group 2 Cation Group is _________ Sulfide Group.
  3. This type of flame is characterized by its blue color.
  4. This is one of the factors affecting chemical equilibrium which is expressed in terms of molarity.
  5. It is an analytical procedure in which heat is incorporated to determine the presence of certain elements.
  6. Gtts means –
  7. A substance or mixture that is used to ensue chemical reactions for analysis.
  8. The type of analysis that identifies the compound.
  9. measure of how hot or cold something is the amount of force exerted per area.
  10. ,The fourth cation subgroup.
  11. These are highly unstable species with a high potential energy.
  12. An ion with a positive charge.
  13. In Le Châtelier’s Principle, change in volume and pressure, what happens to the pressure when the shift in equilibrium is to side with fewest moles of gas?
  14. In Le Châtelier’s Principle, change in volume and pressure, what happens to the volume when the shift in equilibrium is to side with fewest moles of gas?
  15. An ion with a negative charge.

30 Clues: Gtts means – • ,The fourth cation subgroup. • An ion with a positive charge. • An ion with a negative charge. • It is the color of a barium ion flame. • The type of analysis that identifies the compound. • Species that result from the reaction of chemicals. • This type of flame is characterized by its blue color. • These are insoluble substances produced in a reaction. • ...

Redox Reaction crossword -Banyu 2023-11-13

Redox Reaction crossword -Banyu crossword puzzle
Across
  1. Word equation of 2CuO
  2. a reaction in which a more reactive element displaces a less reactive element from a solution of its salt
  3. CH4(g) in word equation
  4. a substance that oxidises another substance during redox reaction
  5. word name of H²O in Javanese
  6. A chemical reaction which a substance reacts with oxygen
  7. element with symbol Mn
  8. word name of CO²
Down
  1. a reaction involving both reduction and oxidation
  2. The name given to the process takes place when metals and alloys are chemically attacked by oxygen
  3. element with symbol Cu
  4. a number given to show whether an element has been oxidised or reduced
  5. a term used to describe oxidised organic material
  6. Chemical reaction by which biological cell releases the energy stored in glucose for use by the cell or the body
  7. word name of NH3

15 Clues: word name of NH3 • word name of CO² • Word equation of 2CuO • element with symbol Cu • element with symbol Mn • CH4(g) in word equation • word name of H²O in Javanese • a reaction involving both reduction and oxidation • a term used to describe oxidised organic material • A chemical reaction which a substance reacts with oxygen • ...

Naomi Salters 2022-03-08

Naomi Salters crossword puzzle
Across
  1. chemicals that are present before a chemical reaction takes place.
  2. the amount of product that was actually produced
  3. group of atoms that are held together by covalent bonds
  4. study of ratios in chemical reactions
  5. maximum amount of product that can be produced based on the limiting reactant.
  6. the substance that will be used up first in a chemical reaction
  7. mass of one mole of a substance
Down
  1. (actual/theoretical) x100
  2. - number equal to 6.02x10^23
  3. reactant that is consumed first in a chemical reaction
  4. measurement of an amount of a substance

11 Clues: (actual/theoretical) x100 • - number equal to 6.02x10^23 • mass of one mole of a substance • study of ratios in chemical reactions • measurement of an amount of a substance • the amount of product that was actually produced • reactant that is consumed first in a chemical reaction • group of atoms that are held together by covalent bonds • ...

Amy Stanley's Crossword Puzzle 2024-05-15

Amy Stanley's Crossword Puzzle crossword puzzle
Across
  1. substance formed from a chemical reaction
  2. the transfer of energy at different temperatures
  3. the ability to move
  4. the amount of matter in an object
  5. the companion between two or more substances
  6. an action taken in response to something
  7. the amount of space occupied
  8. a pure substance that cant be broken down
  9. raw materials that react with one another and form products
Down
  1. an attraction between atoms
  2. measure of hotness or coldness
  3. sticking together
  4. change a physical change between substances
  5. a combination of substances that can be physically separated
  6. anything that takes up space and can be weighed
  7. the smallest unit of an element
  8. two or more atoms joined together
  9. change a chemical change between substances

18 Clues: sticking together • the ability to move • an attraction between atoms • the amount of space occupied • measure of hotness or coldness • the smallest unit of an element • the amount of matter in an object • two or more atoms joined together • an action taken in response to something • substance formed from a chemical reaction • a pure substance that cant be broken down • ...

Chemistry Unit 1 2023-12-20

Chemistry Unit 1 crossword puzzle
Across
  1. What is made in a chemical reaction
  2. Can be bent and shaped without breaking
  3. Sub-atomic particle with -1 charge
  4. Dangerous gas produced during incomplete combustion
  5. Centre of the atom
  6. Element symbol is Na
  7. Chemical used to test for carbon dioxide
  8. Sub-atomic particles with +1 charge
  9. Gas needed for combustion
  10. Shells surrounding the nucleus
Down
  1. Element symbol is Zn
  2. The scientific term for burning
  3. Element symbol is C
  4. Splint used to test for oxygen
  5. Sub-atomic particle with no charge
  6. Metal + Oxygen --> _______________
  7. A substance containing 2 or more elements chemically joined together
  8. Solid Carbon
  9. Found on the periodic table
  10. Makes a ringing sound when hit
  11. What you start with in a chemical reaction
  12. Can be stretched out into wires without breaking
  13. Splint used to test for hydrogen

23 Clues: Solid Carbon • Centre of the atom • Element symbol is C • Element symbol is Zn • Element symbol is Na • Gas needed for combustion • Found on the periodic table • Splint used to test for oxygen • Makes a ringing sound when hit • Shells surrounding the nucleus • The scientific term for burning • Splint used to test for hydrogen • Sub-atomic particle with no charge • ...

Cellular Rep and Photosynthesis Overview 2022-12-21

Cellular Rep and Photosynthesis Overview crossword puzzle
Across
  1. input for photosynthesis; gas; brought in through pores in leaves from the atmosphere
  2. type of energy from the Sun; a form of kinetic energy
  3. organelle in which cellular respiration takes place
  4. low-energy by-product of photosynthesis
  5. energy is ___________ in an exergonic reaction
  6. input for photosynthesis brought in from the roots of plants
  7. process that transforms light to chemical energy
  8. plants, animals, or both? which organisms perform cellular respiration
  9. organelle in which photosynthesis takes place
  10. is the high-energy molecule produced in photosynthesis
  11. all organisms, including you, can trace their source of energy back to this
Down
  1. cellular respiration and photosynthesis rely on each other, therefore they are ___________________
  2. capacity to cause change
  3. cellular respiration is this type of reaction
  4. organ in plants in which photosynthesis takes place
  5. photosynthesis is this type of reaction
  6. type of energy found in glucose and molecules; a form of potential energy
  7. process that uses carbon dioxide and water to build glucose
  8. organisms that perform photosynthesis; not animals
  9. energy is ___________ in an endergonic reaction

20 Clues: capacity to cause change • low-energy by-product of photosynthesis • photosynthesis is this type of reaction • cellular respiration is this type of reaction • organelle in which photosynthesis takes place • energy is ___________ in an exergonic reaction • energy is ___________ in an endergonic reaction • process that transforms light to chemical energy • ...

Corrosion Crossword 2023-03-19

Corrosion Crossword crossword puzzle
Across
  1. Type of corrosion caused by a lack of oxygen
  2. Type of corrosion caused by a buildup of salt
  3. Type of corrosion caused by a material's interaction with its environment
  4. Type of corrosion caused by a chemical reaction
  5. Process of removing rust from metal
  6. Type of corrosion caused by a difference in electrical potential
  7. Type of corrosion caused by oxygen
Down
  1. Type of corrosion caused by stress on a metal
  2. A metal's ability to resist corrosion
  3. Process of converting rust into a more stable compound
  4. Chemical used to dissolve rust
  5. Type of corrosion caused by a chemical reaction between two metals
  6. Process of applying a protective layer to metal
  7. Chemical used to prevent rust

14 Clues: Chemical used to prevent rust • Chemical used to dissolve rust • Type of corrosion caused by oxygen • Process of removing rust from metal • A metal's ability to resist corrosion • Type of corrosion caused by a lack of oxygen • Type of corrosion caused by stress on a metal • Type of corrosion caused by a buildup of salt • Type of corrosion caused by a chemical reaction • ...

Science Unit B Crossword 2017-11-11

Science Unit B Crossword crossword puzzle
Across
  1. A reaction where it loses energy.
  2. an atom that becomes electrically charged because of its loss or gain of energy.
  3. the horizontal row of elements in the Periodic Table
  4. An experiment where the products and reactants are accounted for.
  5. The principle where the mass will stay the same before and after because the reactants and products will be equal.
  6. elements in the Table that is shiny, malleable, ductile element that can conduct electricity.
  7. A Table where the elements are organized through their physical and chemical properties.
  8. Element that has both metal and non-metal properties.
  9. When a metal and non-metal combine.
  10. Dull, brittle elements that do not conduct electricity.
  11. The most stable and unreactive elements.
Down
  1. A chemical reaction where it forms a new substance and becomes exothermic.
  2. A reaction where it gains energy.
  3. The substance that helps a chemical reaction to proceed more quickly.
  4. Where the electron orbits around the nucleus atom.
  5. Elements in the Family that all have similar chemical families.
  6. Measure of the atomic mass.
  7. When two or more substances produce a new substance.
  8. the smallest part of an element that is representative of that element.
  9. When both non-metals combine.
  10. An invisibly negative charge found in an atom. One of the subatomic particles.
  11. The sum of the number of protons and neutrons in an atom.
  12. The most reactive non-metals.
  13. A type of organic catalyst found in the bodies of living things.
  14. the vertical group in the Periodic Table of Elements.

25 Clues: Measure of the atomic mass. • When both non-metals combine. • The most reactive non-metals. • A reaction where it loses energy. • A reaction where it gains energy. • When a metal and non-metal combine. • The most stable and unreactive elements. • Where the electron orbits around the nucleus atom. • When two or more substances produce a new substance. • ...

Science Unit B Crossword 2017-11-11

Science Unit B Crossword crossword puzzle
Across
  1. The most reactive non-metals.
  2. the horizontal row of elements in the Periodic Table
  3. When a metal and non-metal combine.
  4. elements in the Table that is shiny, malleable, ductile element that can conduct electricity.
  5. Where the electron orbits around the nucleus atom.
  6. Measure of the atomic mass.
  7. Element that has both metal and non-metal properties.
  8. When both non-metals combine.
  9. A Table where the elements are organized through their physical and chemical properties.
  10. Dull, brittle elements that do not conduct electricity.
  11. the smallest part of an element that is representative of that element.
  12. The sum of the number of protons and neutrons in an atom.
  13. The substance that helps a chemical reaction to proceed more quickly.
Down
  1. An experiment where the products and reactants are accounted for.
  2. The principle where the mass will stay the same before and after because the reactants and products will be equal.
  3. an atom that becomes electrically charged because of its loss or gain of energy.
  4. A reaction where it gains energy.
  5. A type of organic catalyst found in the bodies of living things.
  6. When two or more substances produce a new substance.
  7. A chemical reaction where it forms a new substance and becomes exothermic.
  8. Elements in the Family that all have similar chemical families.
  9. A reaction where it loses energy.
  10. The most stable and unreactive elements.
  11. An invisibly negative charge found in an atom. One of the subatomic particles.
  12. the vertical group in the Periodic Table of Elements.

25 Clues: Measure of the atomic mass. • The most reactive non-metals. • When both non-metals combine. • A reaction where it gains energy. • A reaction where it loses energy. • When a metal and non-metal combine. • The most stable and unreactive elements. • Where the electron orbits around the nucleus atom. • the horizontal row of elements in the Periodic Table • ...

2nd Semester Final Review 2 2015-05-17

2nd Semester Final Review 2 crossword puzzle
Across
  1. Element or compound that cannot be broken down into simpler components and maintain the properties of the original substance
  2. The starting substances in a chemical reaction.
  3. Vertical columns in the periodic table
  4. The energy required to raise the temperature of 1 gram of a substance by 1 degree
  5. ion A group of atoms with a positive or negative charge
  6. The new substances produced by a chemical reaction.
  7. A combination of symbols and subscripts that tells which elements are in a compound and their ratios.
  8. The sum of the kinetic and potential energy of the particles in an object
  9. Energy a moving object has because of its motion
  10. The transfer of energy from a higher temperature to a lower temperature
  11. A chemical reaction in which energy is released.
Down
  1. Compound that has water chemically attached to its ions.
  2. Transfer of thermal energy by collisions of particles (CONTACT)
  3. A neutral particle that forms as a result of electron sharing
  4. Elements are arranged by increasing atomic number and by changes in properties
  5. A positive or a negative number assigned to an element to show its combining ability in a compound
  6. The attraction that forms between atoms when they share electrons
  7. A chemical reaction in which energy is absorbed.
  8. Horizontal columns in the periodic table
  9. The average kinetic energy of the particles of a substance
  10. Transfer of thermal energy in a fluid from one place to another
  11. The force of attraction between opposite charges of the ions in an ionic compound
  12. Transfer of thermal energy by electromagnetic waves

23 Clues: Vertical columns in the periodic table • Horizontal columns in the periodic table • The starting substances in a chemical reaction. • A chemical reaction in which energy is absorbed. • Energy a moving object has because of its motion • A chemical reaction in which energy is released. • The new substances produced by a chemical reaction. • ...

Chemistry Crossword 2019-11-09

Chemistry Crossword crossword puzzle
Across
  1. word that means 6
  2. chemical combination of two or more elements in a specific ratio
  3. a system which occurs in a given area
  4. word that means 3
  5. Substance made up of one type of matter
  6. word that means 4
  7. non-metal+non-metal
  8. metal+non-metal
  9. releases heat energy
  10. is the most abundant in the Periodic Table of Elements
  11. word that means 2
  12. made up of two or more substances combined together
  13. columns
Down
  1. most reactive metal
  2. absorbs heat energy
  3. a system which one or more products of a chemical reaction can escape
  4. ionized gas
  5. word that means 5
  6. cloudy mixture that can be separated
  7. most reactive non-metal
  8. rows
  9. formula Compound a combination of symbols that represent a compound and the amount
  10. Gases the most stable and unreactive
  11. cloudy mixture that cannot be separated
  12. word that means 1
  13. a new substance produced in a chemical reaction between reactants

26 Clues: rows • columns • ionized gas • metal+non-metal • word that means 6 • word that means 5 • word that means 3 • word that means 4 • word that means 1 • word that means 2 • most reactive metal • absorbs heat energy • non-metal+non-metal • releases heat energy • most reactive non-metal • cloudy mixture that can be separated • a system which occurs in a given area • Gases the most stable and unreactive • ...

Bio.4.1.3 2024-02-07

Bio.4.1.3 crossword puzzle
Across
  1. relased to break down proteins into polypeptides
  2. Fats and oils
  3. speeds up chemical reactions
  4. A factor that can effect an enzyme
  5. the biological molecule that the enzyme will work on
  6. The chemical reactions done in a living organism is called
  7. How the substrate and enzyme should fit like
  8. What are enzymes
  9. The enzymes control this aspect of chemical reactions
  10. Where the enzyme acts on
  11. breaks down maltose from starch
Down
  1. in human saliva breaks down starch
  2. the energy needed to begin a reaction
  3. Speeds up chemical reactions by reducing activation
  4. The change of the enzymes active site
  5. Produces 2 products
  6. Measurement of acidity and basicness
  7. takes 2 substrates to make 1 product
  8. Table sugar
  9. An enzyme is not this
  10. the name of an enzyme normally ends in
  11. After an enzyme catalyst causes a reaction
  12. Amino Acids
  13. Blocks active sites
  14. Breaks down waste H2O2 made by cells

25 Clues: Table sugar • Amino Acids • Fats and oils • What are enzymes • Produces 2 products • Blocks active sites • An enzyme is not this • Where the enzyme acts on • speeds up chemical reactions • breaks down maltose from starch • in human saliva breaks down starch • A factor that can effect an enzyme • Measurement of acidity and basicness • takes 2 substrates to make 1 product • ...

Mitchell Holmes Ch.13 Crossword 2019-03-07

Mitchell Holmes Ch.13 Crossword crossword puzzle
Across
  1. Displacement where two atoms are switched
  2. Direction to read from when balancing equations
  3. Chemical that donates a hydrogen ion
  4. Displacement where one atom is switched
  5. When reaction and it's reverse act at the same rate
Down
  1. Changes the rate of a chemical reaction
  2. Chemical that accepts a hydrogen ion
  3. Reaction where there is a net release of energy
  4. Reaction where there is a net absorption of energy
  5. Also known as activation energy

10 Clues: Also known as activation energy • Chemical that accepts a hydrogen ion • Chemical that donates a hydrogen ion • Changes the rate of a chemical reaction • Displacement where one atom is switched • Displacement where two atoms are switched • Reaction where there is a net release of energy • Direction to read from when balancing equations • ...

Chemical Reactions Vocabulary 2024-09-25

Chemical Reactions Vocabulary crossword puzzle
Across
  1. the table that organizes the elements by property and mass
  2. the person who created the modern periodic table
  3. the element with the symbol 'O'
  4. a starting substance in a chemical reaction
  5. the smallest particle of an element
  6. the element with the symbol 'C'
Down
  1. what atoms do during a chemical reaction
  2. the element with the symbol 'H'
  3. a fundamental substance that can't be broken down
  4. a substance produced in a chemical reaction
  5. a substance made of two or more different atoms combined
  6. anything that has mass and takes up space

12 Clues: the element with the symbol 'H' • the element with the symbol 'O' • the element with the symbol 'C' • the smallest particle of an element • what atoms do during a chemical reaction • anything that has mass and takes up space • a substance produced in a chemical reaction • a starting substance in a chemical reaction • the person who created the modern periodic table • ...

#9 - Cellular Respiration Crossword 2023-10-18

#9 - Cellular Respiration Crossword crossword puzzle
Across
  1. energy produced by respiration
  2. process by which organisms use oxygen to bread down food molecules to get chemical energy
  3. what is produced at the end of a chemical reaction
  4. site of (most of) cellular respiration
  5. help to catalyze a chemical reaction
  6. respiration that occurs when oxygen is PRESENT
Down
  1. simple sugar needed as a reactant to perform respiration
  2. respiration that occurs when oxygen is ABSENT
  3. present at the beginning of the reaction
  4. gas waste product produced by respiration
  5. gas needed as a reactant to perform respiration
  6. liquid waste product produced by respiration

12 Clues: energy produced by respiration • help to catalyze a chemical reaction • site of (most of) cellular respiration • present at the beginning of the reaction • gas waste product produced by respiration • liquid waste product produced by respiration • respiration that occurs when oxygen is ABSENT • respiration that occurs when oxygen is PRESENT • ...

Biomolecules 2022-12-06

Biomolecules crossword puzzle
Across
  1. a molecule that is essential for life
  2. splitting a polymer into monomers with the addition of water
  3. made of carbon, hydrogen, and oxygen; quick energy
  4. the process of making polymers into monomers
  5. DNA/RNA (CHONP)
  6. process of making monomers into polymers
  7. transports chemical energy
  8. a chemical reaction that makes polymers by removing water: dehydration ________
Down
  1. a type of reaction that releases energy
  2. larger units made of monomers
  3. small units that make up polymers
  4. a type of reaction that requires energy
  5. made of C, H, O, N
  6. stores long term energy

14 Clues: DNA/RNA (CHONP) • made of C, H, O, N • stores long term energy • transports chemical energy • larger units made of monomers • small units that make up polymers • a molecule that is essential for life • a type of reaction that releases energy • a type of reaction that requires energy • process of making monomers into polymers • the process of making polymers into monomers • ...

types of chemical reaction 2018-05-24

types of chemical reaction crossword puzzle
Across
  1. and reduction gain of oxygen and loss of oxygen
  2. controls involuntary actions
  3. thinking about activities
  4. brain main thinking part of brain
  5. mirror reflecting surface is curved outward
  6. reaction single reactant breaks down to give simpler products
Down
  1. relay signal from the fore brain
  2. reaction displaces or remove another element
  3. displacement reaction exchange of ions between the reactants
  4. throwing back of light
  5. reaction two or more substances combine to form single product
  6. line drawn perpendicular to the reflective surface of a mirror
  7. mirror reflecting surface is curved inward

13 Clues: throwing back of light • thinking about activities • controls involuntary actions • relay signal from the fore brain • brain main thinking part of brain • mirror reflecting surface is curved inward • mirror reflecting surface is curved outward • reaction displaces or remove another element • and reduction gain of oxygen and loss of oxygen • ...

Gage Brunswick Unit 2 2025-03-25

Gage Brunswick Unit 2 crossword puzzle
Across
  1. a thing made up of diffrent tissue to perform a task
  2. what is formed after a chemical reaction
  3. a lipid molecule that forms the cell membrane core
  4. basic unit of chemical element
  5. a group of organs
  6. the basic membrane
  7. a group of similar cells
  8. the meterial on whitch a organism lives off
  9. were something is favored over somthing else causeing it to last longer/be used
  10. needs no energy to move
Down
  1. likes water
  2. The passive moevment of water molecules
  3. needs energy to move
  4. the minimum amount of energy needed to to start the chemical reaction
  5. performs a use in the cell
  6. dislikes water
  7. two or more atoms
  8. the natural movement of atoms to a bigger/smaller place
  9. a protien lost its natrual shape
  10. were a substrate binds
  11. a protein

21 Clues: a protein • likes water • dislikes water • two or more atoms • a group of organs • the basic membrane • needs energy to move • were a substrate binds • needs no energy to move • a group of similar cells • performs a use in the cell • basic unit of chemical element • a protien lost its natrual shape • The passive moevment of water molecules • what is formed after a chemical reaction • ...

Physical Science Tic-Tac-Toe 2021-04-27

Physical Science Tic-Tac-Toe crossword puzzle
Across
  1. a characteristic of an object/substance that can be observed.
  2. how easily an object/substance attracts magnetic metals
  3. the amount of matter inside an object or substance
  4. the ability to be stretched into a wire
  5. mass per volume
  6. uniform mixture of two substances
  7. how easily an object or substance conducts heat/electricity
Down
  1. reversible change in the physical appearance of an object (shape, size, color)
  2. starting substance of a reaction
  3. chemical change on metal from water and oxygen
  4. when something is modified or something happens to make it different.
  5. anything that has mass and takes up space
  6. how easily something is able to be dissolved into another substance.
  7. a substance that can increase the speed of change without changing the end result
  8. the temperature that something must reach before it can melt
  9. A chemical change resulting from wood & fire
  10. the amount of space something takes up
  11. an irreversible chemical reaction affecting a substance at the atomic level, changing it's chemical properties or composition

18 Clues: mass per volume • starting substance of a reaction • uniform mixture of two substances • the amount of space something takes up • the ability to be stretched into a wire • anything that has mass and takes up space • A chemical change resulting from wood & fire • chemical change on metal from water and oxygen • the amount of matter inside an object or substance • ...

Carly Kanneman Chapter 13 2019-02-25

Carly Kanneman Chapter 13 crossword puzzle
Across
  1. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
  2. Description of a substance that can behave as either an acid or a base
  3. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration
  4. The reacting substances in a chemical reaction
Down
  1. An ionic compound commonly formed from the reaction between an acid and a base
  2. A polyatomic ion made by adding a proton to a water molecule
  3. A substance that donates hydrogen ions
  4. The process by which a reactant loses one or more electrons
  5. Description of a chemical reaction in which there is a net release of energy
  6. The new materials formed in a chemical reaction

10 Clues: A substance that donates hydrogen ions • The reacting substances in a chemical reaction • The new materials formed in a chemical reaction • The process by which a reactant loses one or more electrons • A polyatomic ion made by adding a proton to a water molecule • Description of a substance that can behave as either an acid or a base • ...

Reactions of metals with oxygen 2023-05-07

Reactions of metals with oxygen crossword puzzle
Across
  1. Material that conducts electricity and which is malleable and shiny
  2. oxide Compound formed when a metal reacts with oxygen
  3. The use of electricity to break a compound
  4. Chemical reaction in which a material gives up electrons, for example, when the material combines with oxygen
  5. Compound formed when an element reacts with oxygen
  6. Slow chemical reaction of iron with oxygen in the air, in the presence of water
  7. Rapid chemical reaction with oxygen that produces heat and light
Down
  1. Layer of air which surrounds the Earth
  2. Can burn
  3. Process of coating a metal object with a thin layer of another metal by means of electrolysis
  4. Has no smell
  5. Process where a metal is damaged or weakened by a chemical reaction

12 Clues: Can burn • Has no smell • Layer of air which surrounds the Earth • The use of electricity to break a compound • Compound formed when an element reacts with oxygen • oxide Compound formed when a metal reacts with oxygen • Rapid chemical reaction with oxygen that produces heat and light • Material that conducts electricity and which is malleable and shiny • ...

HC U8 Vocab 2025-03-05

HC U8 Vocab crossword puzzle
Across
  1. A balanced equation in chemistry has the same number of atoms of each element on both the reactant and product sides of the chemical reaction, while an unbalanced equation has a different number of atoms of one or more elements on each side
  2. The square brackets around the H ‍ just mean that we are referring to its concentration.
  3. raises the base to the log's value to get the original number
  4. a logarithm, which is a mathematical function used to express a number as the power to which a base (usually 10) must be raised to obtain that number
  5. an insoluble solid that forms when two solutions react
  6. make (a liquid) thinner or weaker by adding water or another solvent to it.
  7. the process where a solute (a substance being dissolved) breaks down and mixes with a solvent to form a homogeneous mixture called a solution
Down
  1. a chemical equation that only shows the ions or molecules directly involved in a chemical reaction, excluding any "spectator ions" which are present but do not participate in the reaction itself
  2. the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons
  3. Dissociation in chemistry is a general process in which molecules separate or split into other things such as atoms, ions, or radicals, usually in a reversible manner.
  4. indicates all of the dissociated ions in a chemical reaction.
  5. cations and anions in aqueous solution combine to form an insoluble ionic solid called a precipitate.
  6. an ion that is present in a chemical reaction but does not participate in the reaction itself
  7. the usually clear liquid overlying material deposited by settling, precipitation, or centrifugation.
  8. the ability of a substance to dissolve in another substance

15 Clues: an insoluble solid that forms when two solutions react • the ability of a substance to dissolve in another substance • raises the base to the log's value to get the original number • indicates all of the dissociated ions in a chemical reaction. • make (a liquid) thinner or weaker by adding water or another solvent to it. • ...

Gabriel Eichhorn's science crossword puzzle 2024-05-23

Gabriel Eichhorn's science crossword puzzle crossword puzzle
Across
  1. a pure substance formed by different elements
  2. something that is formed during a chemical reaction
  3. the opposite of physical change
  4. two atoms joined together
  5. everything is made of what?
  6. the opposite of chemical change
  7. a pure substance that cannot be made into a more simple substance
  8. a combination of substances that can be separated
  9. the transfer of thermal energy
Down
  1. the opposite of chemical property
  2. when molecules of the same substance stick together
  3. the opposite of physical property
  4. the process that makes new substances
  5. the amount of matter in an object
  6. the forces that hold atoms together
  7. the smallest unit of measurement
  8. the amount of space that an object occupies
  9. measures the AVERAGE amount of molecule movement

18 Clues: two atoms joined together • everything is made of what? • the transfer of thermal energy • the opposite of physical change • the opposite of chemical change • the smallest unit of measurement • the opposite of chemical property • the opposite of physical property • the amount of matter in an object • the forces that hold atoms together • the process that makes new substances • ...

Amy Stanley's Crossword Puzzle 2024-05-15

Amy Stanley's Crossword Puzzle crossword puzzle
Across
  1. substance formed from a chemical reaction
  2. the transfer of energy at different temperatures
  3. the ability to move
  4. the amount of matter in an object
  5. the companion between two or more substances
  6. an action taken in response to something
  7. the amount of space occupied
  8. a pure substance that cant be broken down
  9. raw materials that react with one another and form products
Down
  1. an attraction between atoms
  2. measure of hotness or coldness
  3. sticking together
  4. change a physical change between substances
  5. a combination of substances that can be physically separated
  6. anything that takes up space and can be weighed
  7. the smallest unit of an element
  8. two or more atoms joined together
  9. change a chemical change between substances

18 Clues: sticking together • the ability to move • an attraction between atoms • the amount of space occupied • measure of hotness or coldness • the smallest unit of an element • the amount of matter in an object • two or more atoms joined together • an action taken in response to something • substance formed from a chemical reaction • a pure substance that cant be broken down • ...

Chemical Reactions and Equations 2022-05-12

Chemical Reactions and Equations crossword puzzle
Across
  1. Two or more reactants combining to form one substance
  2. Electrolysis of water produces _____ gas at the cathode.
  3. Chemical name of lime stone
  4. Brown substance formed when ferrous sulphate is heated.
  5. Removal of oxygen
  6. Reaction in which heat is given out is known as _____ reaction.
Down
  1. A reaction in which a more reactive metal displaces a less reactive metal from its solution.
  2. Natural gas
  3. Brown colour gas evolved when lead nitrate is heated.
  4. Removal of hydrogen
  5. When two aqueous solutions are mixed, the solid that settles down is known as
  6. Chemical name for slaked lime
  7. Oxidation of fat and oil in food
  8. Reaction of a metal with the substances like moisture, air etc. around it.
  9. Calcium oxide is also known as

15 Clues: Natural gas • Removal of oxygen • Removal of hydrogen • Chemical name of lime stone • Chemical name for slaked lime • Calcium oxide is also known as • Oxidation of fat and oil in food • Two or more reactants combining to form one substance • Brown colour gas evolved when lead nitrate is heated. • Brown substance formed when ferrous sulphate is heated. • ...

Chapter 3 Vocab Crossword 2019-04-02

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

22 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 • ...

Chemistry Crossword - Jhuan 9B 2019-11-06

Chemistry Crossword - Jhuan 9B crossword puzzle
Across
  1. a particle with a negative charge
  2. "The Father of Modern Chemistry"
  3. extremely reactive non-metals
  4. a very reactive metal, especially in air and water
  5. a particle with a positive charge
  6. compounds that consist of ions (a group of atoms that have become electrically charged)
  7. _______ ____ model, created by John Dalton
  8. a particle with a neutral charge
  9. is a chemical reaction that takes place in the cells in your body
  10. releases heat (example: fire)
  11. one of the three factors of the fire triangle
  12. reacts to air and water: less reactive than alkaline metals
  13. absorbs heat (example: ice pack)
  14. have mixed properties of both metals and non-metals
  15. a new substance produced in a chemical reaction
  16. created the raisin bun model, discovered subatomic particles called electrons
Down
  1. the horizontal rows in the periodic table of elements
  2. often a liquid or gas at room temperature (can be solids sometimes, aren't malleable, do not conduct electricity, and usually has no lustre
  3. takes place when two or more substances combine to form new ones
  4. the sum two non-metals combining, forming a pure substance called a _________.
  5. the vertical columns in the periodic table of elements
  6. a substance that reacts with another substance in a chemical reaction to create a new substance with different products or properties
  7. a very stable and unreactive gas
  8. solids at room temperature, often malleable, often has lustre, and conducts electricity
  9. is a fast chemical reaction that occurs whens oxygen reacts with a substance to form a new substance; gives off energy

25 Clues: extremely reactive non-metals • releases heat (example: fire) • "The Father of Modern Chemistry" • a very stable and unreactive gas • a particle with a neutral charge • absorbs heat (example: ice pack) • a particle with a negative charge • a particle with a positive charge • _______ ____ model, created by John Dalton • one of the three factors of the fire triangle • ...

Science 2011-12-13

Science crossword puzzle
Across
  1. The opposite of Acid.
  2. Represents the reactants and products in a chemical reaction using their symbols or formulas.
  3. A neutral compound that consists of positive and negative ions held together by a ionic bond.
  4. You start balancing the _________ when you are balancing reactions.
  5. A statement that summarizes an observed pattern in nature.
  6. Something that is lost or gained in every chemical reaction.
  7. Are substances that form in a chemical reaction.
  8. The prefix for 3.
  9. The prefix for 7.
  10. A.K.A The left side.
  11. A neutral compound composed of two or more non-metallic elements held together by covalent bonds.
  12. A.K.A The right side.
  13. A group of atoms with a charge.
Down
  1. Identifies the reactants and products in a chemical reaction using only the names of the elements and compounds.
  2. All atoms we start with must be accounted for. However they may change their ________________.
  3. Involves planning a series of data-gathering operations that will provide a basis for testing a hypothesis or answering a question.
  4. Neutral on the pH chart.
  5. The prefix for 10.
  6. A bond formed by two or more atoms sharing one or more pairs of electrons.
  7. The bond formed by the transfer of electrons from one atom to another.
  8. This happens when a base is added to an acid.
  9. How many bonds does Carbon form?
  10. A negatively charged ion, the result of gaining one or more electrons.
  11. A positively charged ion, the result of losing one or more electrons.
  12. An atom that has become charged by gaining or losing one or more electrons.

25 Clues: The prefix for 3. • The prefix for 7. • The prefix for 10. • A.K.A The left side. • The opposite of Acid. • A.K.A The right side. • Neutral on the pH chart. • A group of atoms with a charge. • How many bonds does Carbon form? • This happens when a base is added to an acid. • Are substances that form in a chemical reaction. • ...

Thermochemistry Crossword 2024-04-26

Thermochemistry Crossword crossword puzzle
Across
  1. Endothermic reactions _____ energy
  2. Heat flows from warmer to _______ object
  3. concerned with heat changes that occur during chemical reactions
  4. Essentially all chemical reactions and changes in physical state involve either:
  5. Average kinetic energy of the particles in matter
  6. The products are ______ in energy than the reactants
  7. release of heat, or absorption of heat
  8. Change in H is_______for an exothermic reaction
  9. the amount of heat needed to increase the temperature of an object exactly 1°C
  10. Change in H is ________ for an endothermic reaction
  11. a measure of the disorder of a system
  12. The products are ______ in energy than the reactants
  13. release of heat, or absorption of heat
  14. Heat flowing into a system from its surroundings
Down
  1. Exothermic reactions ____ energy
  2. Energy is neither created nor destroyed
  3. The device used to measure the absorption or release of heat in chemical or physical processes
  4. quantity of heat needed to raise the temperature of 1 g of pure water 1°C.
  5. In an endothermic reaction, the systems _____ in temperature, the surroundings ______ in temperature
  6. SI Unit of heat and energy
  7. Water's specific heat value is very _______
  8. Heat flowing out of a system into it’s surroundings
  9. the measurement of the heat into or out of a system for chemical and physical processes.
  10. The heat content of a system at constant pressure
  11. The amount of heat it takes to raise the temperature of 1 g of the substance 1°C
  12. In an exothermic reaction, the system _____ in temperature, surroundings ______ in temperature
  13. capacity for doing work or supplying heat
  14. represented by “q”, is energy that transfers from one object to another, because of a temperature difference between them.

28 Clues: SI Unit of heat and energy • Exothermic reactions ____ energy • Endothermic reactions _____ energy • a measure of the disorder of a system • Energy is neither created nor destroyed • release of heat, or absorption of heat • release of heat, or absorption of heat • Heat flows from warmer to _______ object • capacity for doing work or supplying heat • ...

Amy Armenta 2019-10-18

Amy Armenta crossword puzzle
Across
  1. What you start with
  2. Of the same kind/alike
  3. When a reaction turns into "jelly" or a solid substance
  4. Any property that is measurable, whose value describes a state of a physical system
  5. A red-brown metal, chemical property of atomic number 29
  6. The smallest part of an element
  7. Basic structural and biological unit of all known organisms
  8. Idea or explanation that you test through study and experimentation
  9. What is started with
  10. The chemical element of atomic number 13,a light silvery-gray metal
  11. What you add
Down
  1. Information collected using specific purpose for analyzing/gather information in labs
  2. Presence and flow of electric charge
  3. Any material that reacts with an element
  4. What is made
  5. Atoms combined together
  6. mass The mass of an atom of a chemical element.
  7. Was a russian chemist and inventer of the perodic table
  8. A pure substance that is made from a single type of atom
  9. Materials mixed together, what comes out of a chemical reaction

20 Clues: What is made • What you add • What you start with • What is started with • Of the same kind/alike • Atoms combined together • The smallest part of an element • Presence and flow of electric charge • Any material that reacts with an element • mass The mass of an atom of a chemical element. • When a reaction turns into "jelly" or a solid substance • ...

Chemistry crossword 2019-11-08

Chemistry crossword crossword puzzle
Across
  1. is a reaction that can escape
  2. is solids at room temperature
  3. the number of protons and atom has
  4. is the most stable and unreactive
  5. made up of two or more substances
  6. when two or more substances react to form a new substance
  7. is a reaction occurred in one area
  8. have both metal and non metal properties
  9. 4
  10. 5
  11. a new substance produced in a chemical formula
Down
  1. is an atom that has lost one or more electrons
  2. a chemical change which absorbs heat energy
  3. a chemical change which releases heat energy
  4. a substance that reacts with another substance
  5. when a material changes state
  6. is liquids or gases at room temperature
  7. are the most reactive especially in air or water
  8. made up of one type of matter
  9. 1
  10. 3
  11. is an atom that has gained one or more electrons
  12. is the most reactive non metal
  13. 6
  14. 2

25 Clues: 1 • 3 • 6 • 2 • 4 • 5 • is a reaction that can escape • is solids at room temperature • when a material changes state • made up of one type of matter • is the most reactive non metal • is the most stable and unreactive • made up of two or more substances • the number of protons and atom has • is a reaction occurred in one area • is liquids or gases at room temperature • ...

Bio Project 1 2012-10-04

Bio Project 1 crossword puzzle
Across
  1. A substance containing two or more elements in a fixed ratio.
  2. Compounds that contain the element carbon.
  3. The bodies most important source of energy.
  4. Compounds that do not contain the element carbon.
  5. the number of protons in an element.
  6. Simplest sugar, made up of only 1 sugar.
  7. Proteins that speed up chemical reactions.
  8. A negatively charged ion.
  9. Formed by the union of one glycerol and 3 fatty acids.
  10. Substance formed from the substrate at the end of a chemical reaction with an enzyme.
Down
  1. A type of hereditary material.
  2. reserve supplies of energy or fuel for the body.
  3. A positively charged ion.
  4. The smallest particles of matter.
  5. Amount of energy required for a chemical reaction to occur.
  6. Substance that enzymes act upon.
  7. Are made up of 20 different amino acids.
  8. Deoxyribonucleic acid.
  9. Two or more atoms held together by chemical bonds.
  10. Atoms of the same element having different atomic mass numbers.
  11. Ribonucleic acid.

21 Clues: Ribonucleic acid. • Deoxyribonucleic acid. • A positively charged ion. • A negatively charged ion. • A type of hereditary material. • Substance that enzymes act upon. • The smallest particles of matter. • the number of protons in an element. • Are made up of 20 different amino acids. • Simplest sugar, made up of only 1 sugar. • Compounds that contain the element carbon. • ...

Olive Parfitt 4.1.3 2024-02-07

Olive Parfitt 4.1.3 crossword puzzle
Across
  1. blocks active sites
  2. secreates pancreatic amylase
  3. percentage of hydrogen ions in a solution
  4. where enzyme binds to the substrate
  5. when pH or temp is out of the optimal range
  6. chemical reactions done by living organisms
  7. molecule enzyme acts on
  8. breaks down starch into maltose
  9. enzymes controlling the speed of chemical reactions
  10. what enzymes activate
  11. a pH of 7
  12. the ideal temperature
Down
  1. the ideal pH level
  2. any pH above 7
  3. what enzymes generally end in
  4. building or add molecules
  5. enzyme released that is released by the cells of the stomach
  6. proteins which speed up chemical reactions
  7. breaking apart molecules
  8. after an enzyme catalyzes a reaction it makes a
  9. breaks apart the substrate into multiple products
  10. energy that begins the process
  11. the tempature of pH at which an enzyme functions best
  12. speeds up chemical reaction
  13. any pH below 7
  14. what enzymes are made out of
  15. hypothesis that helps explain enzyme functioning

27 Clues: a pH of 7 • any pH above 7 • any pH below 7 • the ideal pH level • blocks active sites • what enzymes activate • the ideal temperature • molecule enzyme acts on • breaking apart molecules • building or add molecules • speeds up chemical reaction • secreates pancreatic amylase • what enzymes are made out of • what enzymes generally end in • energy that begins the process • ...

Bio.4.1.3 2024-02-07

Bio.4.1.3 crossword puzzle
Across
  1. relased to break down proteins into polypeptides
  2. Fats and oils
  3. speeds up chemical reactions
  4. A factor that can effect an enzyme
  5. the biological molecule that the enzyme will work on
  6. The chemical reactions done in a living organism is called
  7. How the substrate and enzyme should fit like
  8. What are enzymes
  9. The enzymes control this aspect of chemical reactions
  10. Where the enzyme acts on
  11. breaks down maltose from starch
Down
  1. in human saliva breaks down starch
  2. the energy needed to begin a reaction
  3. Speeds up chemical reactions by reducing activation
  4. The change of the enzymes active site
  5. Produces 2 products
  6. Measurement of acidity and basicness
  7. takes 2 substrates to make 1 product
  8. Table sugar
  9. An enzyme is not this
  10. the name of an enzyme normally ends in
  11. After an enzyme catalyst causes a reaction
  12. Amino Acids
  13. Blocks active sites
  14. Breaks down waste H2O2 made by cells

25 Clues: Table sugar • Amino Acids • Fats and oils • What are enzymes • Produces 2 products • Blocks active sites • An enzyme is not this • Where the enzyme acts on • speeds up chemical reactions • breaks down maltose from starch • in human saliva breaks down starch • A factor that can effect an enzyme • Measurement of acidity and basicness • takes 2 substrates to make 1 product • ...

Chemical reaction & Physical reaction 2013-04-24

Chemical reaction & Physical reaction crossword puzzle
Across
  1. Two atom bond together
  2. the smallest particals
  3. From solid to Liquid
Down
  1. From gas to Liquid
  2. soft metal
  3. Two Element or more bonds together
  4. one of the magnetic metal

7 Clues: soft metal • From gas to Liquid • From solid to Liquid • Two atom bond together • the smallest particals • one of the magnetic metal • Two Element or more bonds together

Reaction Types year 9 2024-08-28

Reaction Types year 9 crossword puzzle
Across
  1. A reaction with oxygen that releases heat or light.
  2. The time it takes for half the nuclei to decay.
  3. A method for judging the age of artefacts or fossils by analysing the amount of carbon-14 in the fossil.
  4. A reaction that absorbs energy.
  5. A reaction of an acid base forming salt and water.
  6. A very high energy electromagnetic.
  7. A small, negatively charged particle that can be ejected from a nucleus during a nucleus reaction it is identical to an alert Ron.
  8. Chemical reaction that releases energy.
  9. Series of chemical reactions that release energy from glucose.
Down
  1. The breakdown of metals due to their reaction with other chemicals.
  2. A chemical equation that has the same number of each type of atom on both sides of the arrow.
  3. A particle made up of two protons and two neurons, making it identical to the helium nucleus.

12 Clues: A reaction that absorbs energy. • A very high energy electromagnetic. • Chemical reaction that releases energy. • The time it takes for half the nuclei to decay. • A reaction of an acid base forming salt and water. • A reaction with oxygen that releases heat or light. • Series of chemical reactions that release energy from glucose. • ...

Chemical Reactions and Equations 2022-05-12

Chemical Reactions and Equations crossword puzzle
Across
  1. Two or more reactants combining to form one substance
  2. Electrolysis of water produces _____ gas at the cathode.
  3. Chemical name of lime stone
  4. Brown substance formed when ferrous sulphate is heated.
  5. Removal of oxygen
  6. Reaction in which heat is given out is known as _____ reaction.
Down
  1. A reaction in which a more reactive metal displaces a less reactive metal from its solution.
  2. Natural gas
  3. Brown colour gas evolved when lead nitrate is heated.
  4. Removal of hydrogen
  5. When two aqueous solutions are mixed, the solid that settles down is known as
  6. Chemical name for slaked lime
  7. Oxidation of fat and oil in food
  8. Reaction of a metal with the substances like moisture, air etc. around it.
  9. Calcium oxide is also known as

15 Clues: Natural gas • Removal of oxygen • Removal of hydrogen • Chemical name of lime stone • Chemical name for slaked lime • Calcium oxide is also known as • Oxidation of fat and oil in food • Two or more reactants combining to form one substance • Brown colour gas evolved when lead nitrate is heated. • Brown substance formed when ferrous sulphate is heated. • ...

Chemical Reactions and Equations 2024-04-18

Chemical Reactions and Equations crossword puzzle
Across
  1. Produced at cathode during electrolysis of water.
  2. Oxidation of oil and fat in food.
  3. Removal of oxygen.
  4. Reaction of metals with moisture and gases presnt in the atmosphere.
  5. Chemical name for quick lime.
  6. A new substance formed during a chemical reaction.
  7. Brown substance formed when ferrous sulphate is heated.
  8. Addition of _____ is oxidation.
Down
  1. Calcium hydroxide is also known as.
  2. Reaction in which oxidation and reduction takes place simultaeously.
  3. Reaction in which heat is given out.
  4. A rection in which more reactive metal displaces less reactive one.
  5. When two solutions are mixed, the solid that settles down.
  6. Two or more substances forming one product.
  7. Chips packets are flushed with this gas to prevent rancidity.

15 Clues: Removal of oxygen. • Chemical name for quick lime. • Addition of _____ is oxidation. • Oxidation of oil and fat in food. • Calcium hydroxide is also known as. • Reaction in which heat is given out. • Two or more substances forming one product. • Produced at cathode during electrolysis of water. • A new substance formed during a chemical reaction. • ...

Cellular Energetics 2 2022-03-29

Cellular Energetics 2 crossword puzzle
Across
  1. The specific region of an enzyme that binds the substrate and that forms the pocket in which catalysis occurs.
  2. The portion of a biological system ´ s energy that can perform work when temperature and pressure are uniform throughout the system.
  3. In cellular metabolism, the use of energy released from an exergonic reaction to drive an endergonic reaction.
  4. The amount of energy that reactants must absorb before a chemical reaction will start
Down
  1. The reactant on which an enzyme works.
  2. A spontaneous chemical reaction in which there is a net release of free energy.
  3. A non spontaneous chemical reaction in which free energy is absorbed from the surroundings.
  4. A chemical agent that selectively increases the rate of reaction without being consumed by the reaction.
  5. An organic molecule serving as a cofactor. Most vitamins function as coenzymes in a metabolic reaction.
  6. A measure of molecular disorder, or randomness

10 Clues: The reactant on which an enzyme works. • A measure of molecular disorder, or randomness • A spontaneous chemical reaction in which there is a net release of free energy. • The amount of energy that reactants must absorb before a chemical reaction will start • A non spontaneous chemical reaction in which free energy is absorbed from the surroundings. • ...

Physical Science Tic-Tac-Toe 2021-04-27

Physical Science Tic-Tac-Toe crossword puzzle
Across
  1. a characteristic of an object/substance that can be observed.
  2. how easily an object/substance attracts magnetic metals
  3. the amount of matter inside an object or substance
  4. the ability to be stretched into a wire
  5. mass per volume
  6. uniform mixture of two substances
  7. how easily an object or substance conducts heat/electricity
Down
  1. reversible change in the physical appearance of an object (shape, size, color)
  2. starting substance of a reaction
  3. chemical change on metal from water and oxygen
  4. when something is modified or something happens to make it different.
  5. anything that has mass and takes up space
  6. how easily something is able to be dissolved into another substance.
  7. a substance that can increase the speed of change without changing the end result
  8. the temperature that something must reach before it can melt
  9. A chemical change resulting from wood & fire
  10. the amount of space something takes up
  11. an irreversible chemical reaction affecting a substance at the atomic level, changing it's chemical properties or composition

18 Clues: mass per volume • starting substance of a reaction • uniform mixture of two substances • the amount of space something takes up • the ability to be stretched into a wire • anything that has mass and takes up space • A chemical change resulting from wood & fire • chemical change on metal from water and oxygen • the amount of matter inside an object or substance • ...

SCIENCE REVIEW 2025-10-16

SCIENCE REVIEW crossword puzzle
Across
  1. a piece of matter
  2. what goes into a chemical reaction
  3. what comes out of a chemical reaction
  4. theory
  5. liquid to solid
Down
  1. bend without cracking
  2. dissolve in liquid
  3. elements chemically bonded together
  4. physical substance
  5. compound/substance

10 Clues: theory • liquid to solid • a piece of matter • dissolve in liquid • physical substance • compound/substance • bend without cracking • what goes into a chemical reaction • elements chemically bonded together • what comes out of a chemical reaction

Reaction types 2021-03-25

Reaction types crossword puzzle
Across
  1. / Negatively charged carbon is in sp3 state.
  2. effect / It is a temporary effect produced in presence of reagent only.
  3. / This free radical is most stable.
  4. effect / This effect is of great importance in conjugated compounds.
  5. effect / This effect involves displacement of sigma electrons.
  6. rearrangement / It is the reaction of an enolizable ester with a strong base to give a β-ketoester.
  7. / another name for no-bond resonance effect.
  8. fission / In this fission the bond breaks in such a way that each of the bonded atoms gets one electron of the shared pair.
  9. reaction / It is a type of organic reaction in which two substituents are removed from a molecule in either a one- or two-step mechanism.
  10. group / Example of group exhibiting plus R effect.
  11. carbon / This carbon has maximum plus inductive effect.
Down
  1. reaction / a chemical reaction during which one functional group in a chemical compound is replaced by another functional group.
  2. radical / Electrically neutral group having unpaired electrons
  3. / Hyperconjugation explain the stability of these hydrocarbons.
  4. fission / In this bond breaks in such a way that both the electrons remain with one of the atoms.
  5. / Species having a carbon atom bearing positive charge.
  6. / These are electron loving species.
  7. reaction / reaction common in compounds that have unsaturated C-C bond, like double (alkene) and triple (alkyne) bonds.
  8. / Number of hyperconjugating structure in ethyl carbonium ion
  9. / covalent compounds that exhibit inductive effect.

20 Clues: / These are electron loving species. • / This free radical is most stable. • / Negatively charged carbon is in sp3 state. • / another name for no-bond resonance effect. • / covalent compounds that exhibit inductive effect. • group / Example of group exhibiting plus R effect. • / Species having a carbon atom bearing positive charge. • ...

Equilibrium crossword 2022-03-29

Equilibrium crossword crossword puzzle
Across
  1. is one in which all species are present in the same phase
  2. measures the relative amounts of products and reactants present during a reaction at a particular point in time
  3. the reaction rate of the forward reaction is equal to the reaction rate of the backward reaction
  4. when the state of equilibrium in a system has components in more than one phase
  5. is the equilibrium constant for a solid substance dissolving in an aqueous solution
  6. a chemical reaction accompanied by the absorption of heat
  7. common ion effect suppresses the ionization of a weak base by adding more of an ion that is a product of this equilibrium
  8. the sum of the internal energy and the product of the pressure and volume of a thermodynamic system
  9. is a chemical or physical reaction that releases heat
Down
  1. a formula describing the statistical distribution of particles in a system among different energy levels
  2. does not allow matter to enter or leave, but does allow energy to enter or leave
  3. a process for synthesizing ammonia from gaseous nitrogen and hydrogen under high pressure and temperature in the presence of a catalyst
  4. that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change to reestablish equilibrium
  5. suppresses the ionization of a weak base by adding more of an ion that is a product of this equilibrium
  6. the value of its reaction quotient at chemical equilibrium
  7. is the minimum energy required to cause a process to occur

16 Clues: is a chemical or physical reaction that releases heat • is one in which all species are present in the same phase • a chemical reaction accompanied by the absorption of heat • the value of its reaction quotient at chemical equilibrium • is the minimum energy required to cause a process to occur • ...

Pre-IB Chemistry Unit 5 Vocab 2024-12-06

Pre-IB Chemistry Unit 5 Vocab crossword puzzle
Across
  1. When two elements combine, it forms a ______
  2. When this type of element is not in a compound, it is paired up with the same element as itself
  3. What combines/reacts in the chemical reaction, on the left side of the equation.
  4. When an atom gains or loses an electron, it is considered a(n) ____
  5. To balance a reaction, a _____ is written in front of the chemical equation.
  6. This is a type of compound that is between two or more non-metals, has a low melting point, and shares its valence electrons.
  7. Replacement When one element switches places with another, follows the pattern A + BC —> B + AC
Down
  1. When a reactant breaks down into simpler products, follows the pattern AB —> A + B
  2. These are the small numbers that are after the element it’s combined to within a chemical equation, they can’t be changed.
  3. What comes out of the chemical reaction, on the right side of the equation
  4. When two or more elements combine together, follows the pattern A+B —> AB
  5. A chemical reaction that releases heat, carbon dioxide, and water. Usually an explosive reaction.
  6. Replacement When two reactants trade elements, follows the pattern AB + CD —> AD + CB
  7. This is a type of compound that is between a metal and a non-metal, has a high melting point, and transfers its valence electrons.

14 Clues: When two elements combine, it forms a ______ • When an atom gains or loses an electron, it is considered a(n) ____ • When two or more elements combine together, follows the pattern A+B —> AB • What comes out of the chemical reaction, on the right side of the equation • To balance a reaction, a _____ is written in front of the chemical equation. • ...

Physical and Chemical Changes 2025-11-08

Physical and Chemical Changes crossword puzzle
Across
  1. A substance formed (often seen as bubbles or fizzing) without boiling, indicating a chemical change."
  2. Property A characteristic that describes how a substance reacts with other substances. (e.g., flammability, ability to rust)"
  3. Change A change that results in the formation of one or more new substances with different properties; also called a chemical reaction. (e.g., burning wood, rusting)"
  4. Groups of atoms bonded together; in a chemical change, these break apart and rearrange to form new ones."
  5. The original substance(s) at the beginning of a chemical reaction.
  6. A slow chemical change where iron reacts with oxygen and moisture to form iron oxide (a new substance).
  7. Property A characteristic of a substance that can be observed or measured without changing the substance's identity. (e.g., color, density, melting point)"
Down
  1. An unexpected change (either getting hotter or colder) during a reaction is evidence of a chemical change.
  2. Change A change that alters the form, size, or state of a substance without changing its chemical identity. (e.g., cutting paper, melting ice)"
  3. The process where one substance breaks down evenly into another, making a solution; a physical change."
  4. The ability of a substance to burn or ignite, causing fire or combustion. (A chemical property)"
  5. Change A permanent or unexpected shift in the appearance of a substance, which may indicate a chemical change."
  6. The production of a new or different smell is one clue that a chemical change has occurred.
  7. A change that can be easily undone or changed back to the original substance. (Most physical changes are this)
  8. A change that cannot be easily undone; a new substance has usually been formed. (Most chemical changes are this)
  9. of Matter The form matter takes, such as solid, liquid, or gas. A change between these is a physical change."
  10. The new substance(s) formed at the end of a chemical reaction.

17 Clues: The new substance(s) formed at the end of a chemical reaction. • The original substance(s) at the beginning of a chemical reaction. • The production of a new or different smell is one clue that a chemical change has occurred. • The ability of a substance to burn or ignite, causing fire or combustion. (A chemical property)" • ...

energy changes 2021-11-09

energy changes crossword puzzle
Across
  1. These types of reactions are used in chemical cool packs used in sports
  2. The decomposition of ammonium chloride is an example fo this type of reaction
  3. An example of an everyday endothermic reaction
  4. This means 'without water'
  5. An exanple of a reversible reaction showing a colour change from blue to white involves this compound
  6. An exothermic reaction gives .... heat
  7. In chemical reactions this cannot be created or destroyed
Down
  1. This would be present in an equation of a reversible reaction
  2. An endothermic reaction takes ... heat
  3. An example of an everyday exothermic reaction
  4. These types of reactions are used in hand warmers

11 Clues: This means 'without water' • An endothermic reaction takes ... heat • An exothermic reaction gives .... heat • An example of an everyday exothermic reaction • An example of an everyday endothermic reaction • These types of reactions are used in hand warmers • In chemical reactions this cannot be created or destroyed • ...

Difference Between Physical and Chemical Properties 2019-11-11

Difference Between Physical and Chemical Properties crossword puzzle
Across
  1. One of the signs of chemical change.
  2. The arrow symbol in a chemical or physical change equation means a ___ is occurring.
  3. Describes an object or material that blocks visible light from passing through.
  4. A ___ change is one of the signs of chemical change.
  5. A new ___ is one of the signs of chemical change.
  6. A ___ property is an aspect of matter that can be observed or measured without changing the chemical composition of the matter.
  7. Describes an object or material that allows some visible light to pass through.
  8. A ___ change is one of the signs of chemical change.
  9. An “(g)” in a chemical or physical change equation means the matter is in its ___ phase.
  10. An “(l)” in a chemical or physical change equation means the matter is in its ___ phase.
Down
  1. A ___ property may only be observed by changing the chemical identity (chemical composition) of a substance.
  2. The solid that forms/appears when two clear liquids are combined.
  3. An “(s)” in a chemical or physical change equation means the matter is in its ___ phase.
  4. Describes an object or material that allows all visible light to pass through.
  5. Describes a chemical reaction which gives-off heat to its surroundings (“feels” warm or hot to the touch).
  6. A material created when one substance is dissolved in another. When we see this word it usually means a substance is dissolved in water.
  7. Set of physical and/or chemical characteristics unique to a substance or material that distinguishes it from other substances or materials.
  8. When a substance or material ___ in another it disappears.
  9. ___ formation is one of the signs of chemical change.
  10. Describes a chemical reaction which pulls-in heat from its surroundings (“feels” cool or cold hot to the touch).

20 Clues: One of the signs of chemical change. • A new ___ is one of the signs of chemical change. • A ___ change is one of the signs of chemical change. • A ___ change is one of the signs of chemical change. • ___ formation is one of the signs of chemical change. • When a substance or material ___ in another it disappears. • ...

Science 10 :) 2011-12-13

Science 10 :) crossword puzzle
Across
  1. A positively charged ion, the result of losing one or more electrons.
  2. A statement that summarizes an observed pattern in nature.
  3. Something that is lost or gained in every chemical reaction.
  4. The bond formed by the transfer of electrons from one atom to another.
  5. Represents the reactants and products in a chemical reaction using their symbols or formulas.
  6. Identifies the reactants and products in a chemical reaction using only the names of the elements and compounds.
  7. The prefix for 7.
  8. The prefix for 3.
  9. This happens when a base is added to an acid.
  10. A neutral compound composed of two or more non-metallic elements held together by covalent bonds.
  11. The prefix for 10.
  12. All atoms we start with must be accounted for. However they may change their ________________.
  13. Neutral on the pH chart.
  14. A bond formed by two or more atoms sharing one or more pairs of electrons.
Down
  1. A.K.A The left side.
  2. Are substances that form in a chemical reaction.
  3. The opposite of Acid.
  4. Involves planning a series of data-gathering operations that will provide a basis for testing a hypothesis or answering a question.
  5. A negatively charged ion, the result of gaining one or more electrons.
  6. A neutral compound that consists of positive and negative ions held together by a ionic bond.
  7. An atom that has become charged by gaining or losing one or more electrons.
  8. How many bonds does Carbon form?
  9. A group of atoms with a charge.
  10. A.K.A The right side.
  11. You start balancing the _________ when you are balancing reactions.

25 Clues: The prefix for 7. • The prefix for 3. • The prefix for 10. • A.K.A The left side. • The opposite of Acid. • A.K.A The right side. • Neutral on the pH chart. • A group of atoms with a charge. • How many bonds does Carbon form? • This happens when a base is added to an acid. • Are substances that form in a chemical reaction. • ...