chemical reaction Crossword Puzzles

Clone of The REALLY BIG Chemistry Crossword Challenge 2025-12-19

Clone of The REALLY BIG Chemistry Crossword Challenge crossword puzzle
Across
  1. a negative subatomic particle discovered by Thomson
  2. from gas to liquid
  3. two or more elements chemically combined
  4. a crystal that contains attached water molecule
  5. when the forward and reverse reaction occur at the same rate
  6. reactions that absorb energy
  7. element with only one proton in the nucleus
  8. it goes down as the volume goes up
  9. ions made up of multiple atoms
  10. a mixture where the components dissolve in each other
  11. water is a ________ molecule
  12. a separation technique that separates substances with different boiling points
  13. substance shown before the arrow in a chemical equation
  14. nuclear emission with the greatest penetration power
  15. Mrs. Torres' favorite compound
  16. letters that represent an element in the Periodic Table
  17. it lowers the activation energy required to start a reaction
  18. formula that shows the simplest ratio of elements in a chemical formula
  19. from gas to solid
  20. substance shown after the arrow in a chemical equation
  21. horizontal arrangement of elements in the periodic table
Down
  1. when electrons jump to higher energy levels
  2. from solid to gas
  3. reactions that release energy
  4. contains protons and neutrons
  5. the highest energy electron shell
  6. from liquid to solid
  7. combines two light nuclei to form a heavier nucleus
  8. small number used to state the ratio of elements in a chemical formula
  9. a nuclear emission containing two protons and two neutrons
  10. when electrons are at the lowest energy levels available
  11. a measure of the disorder in a system
  12. the basic unit of matter
  13. homogeneous mixture
  14. a nuclear emission with no mass and a negative charge
  15. measures the average kinetic energy in a substance
  16. the energy needed to start a reaction
  17. the time that it takes for half the atoms in a given sample to decay
  18. measures concentration
  19. number used to balance chemical equations
  20. it goes up as the temperature goes up
  21. 6.02 x 10^23
  22. two or more pure substances physically combined
  23. a large nucleus splits into two smaller nuclei

44 Clues: 6.02 x 10^23 • from solid to gas • from gas to solid • from gas to liquid • homogeneous mixture • from liquid to solid • measures concentration • the basic unit of matter • reactions that absorb energy • water is a ________ molecule • reactions that release energy • contains protons and neutrons • ions made up of multiple atoms • Mrs. Torres' favorite compound • ...

Photosynthesis 2023-10-27

Photosynthesis crossword puzzle
Across
  1. What is needed for a reaction to take place
  2. Organelles where photosynthesis takes place
  3. Living things that make their own food
  4. Distributes water to the plant
Down
  1. Green pigment in leaves that absorbs sunlight
  2. Living things that cannot make their own food
  3. Substance formed after a chemical reaction
  4. Independent light reaction happens here
  5. Dependent light reaction happens here
  6. What is released after photosynthesis
  7. Energy that plants make in the photosynthesis process

11 Clues: Distributes water to the plant • Dependent light reaction happens here • What is released after photosynthesis • Living things that make their own food • Independent light reaction happens here • Substance formed after a chemical reaction • What is needed for a reaction to take place • Organelles where photosynthesis takes place • ...

Photosynthesis 2023-10-27

Photosynthesis crossword puzzle
Across
  1. What is needed for a reaction to take place
  2. Organelles where photosynthesis takes place
  3. Living things that make their own food
  4. Distributes water to the plant
Down
  1. Green pigment in leaves that absorbs sunlight
  2. Living things that cannot make their own food
  3. Substance formed after a chemical reaction
  4. Independent light reaction happens here
  5. Dependent light reaction happens here
  6. What is released after photosynthesis
  7. Energy that plants make in the photosynthesis process

11 Clues: Distributes water to the plant • Dependent light reaction happens here • What is released after photosynthesis • Living things that make their own food • Independent light reaction happens here • Substance formed after a chemical reaction • What is needed for a reaction to take place • Organelles where photosynthesis takes place • ...

Photosynthesis 2023-10-27

Photosynthesis crossword puzzle
Across
  1. What is needed for a reaction to take place
  2. Organelles where photosynthesis takes place
  3. Living things that make their own food
  4. Distributes water to the plant
Down
  1. Green pigment in leaves that absorbs sunlight
  2. Living things that cannot make their own food
  3. Substance formed after a chemical reaction
  4. Independent light reaction happens here
  5. Dependent light reaction happens here
  6. What is released after photosynthesis
  7. Energy that plants make in the photosynthesis process

11 Clues: Distributes water to the plant • Dependent light reaction happens here • What is released after photosynthesis • Living things that make their own food • Independent light reaction happens here • Substance formed after a chemical reaction • What is needed for a reaction to take place • Organelles where photosynthesis takes place • ...

Chemistry stuff 2022-09-27

Chemistry stuff crossword puzzle
Across
  1. An element that burns very brightly
  2. The most common element in the universe
  3. A reaction where the chemical structure stays the same; 100% reversible if you had, like, infinitely precise telekinesis+pyromancy or something.
  4. A chemical reaction where molecules split into atoms/smaller molecules
  5. An atom with more/less neutrons than it normally has
  6. Dihydrogen monoxide:
Down
  1. People know this for being found in bananas
  2. How many of this there are determines what element an atom is:
  3. If you hit a chameleon with a hammer and it changes color, what type of reaction caused the change in color?
  4. The element that’s essential for pretty much any form of life (that we know of)
  5. The suffix for any element at the end of a compound/molecule is:
  6. The prefix for “four”
  7. An atom with more/less electrons than it normally has
  8. A rare element abbreviated as “B” (the Kid’s trusty steed):

14 Clues: Dihydrogen monoxide: • The prefix for “four” • An element that burns very brightly • The most common element in the universe • People know this for being found in bananas • An atom with more/less neutrons than it normally has • An atom with more/less electrons than it normally has • A rare element abbreviated as “B” (the Kid’s trusty steed): • ...

Energy 2019-11-28

Energy crossword puzzle
Across
  1. heat energy
  2. type of energy when rain falls
  3. type of energy when a ball sitting on a table
  4. electricity- charged particles repelling or attracting each other
  5. type of energy when you hear it
Down
  1. type of energy that particles put together to create a reaction causing a chemical reaction
  2. type of energy when a plane is landing
  3. visible energy
  4. used to power houses, provide light, and break down food
  5. energy renewable
  6. example of renewable energy

11 Clues: heat energy • visible energy • energy renewable • example of renewable energy • type of energy when rain falls • type of energy when you hear it • type of energy when a plane is landing • type of energy when a ball sitting on a table • used to power houses, provide light, and break down food • electricity- charged particles repelling or attracting each other • ...

Photosynthesis 2025-03-27

Photosynthesis crossword puzzle
Across
  1. This green pigment in plants absorbs the sun's energy.
  2. An essential part of photosynthesis, made up of carbon and oxygen.
  3. A byproduct of photosynthesis.
  4. This is where photosynthesis occurs.
  5. The starting parts in a chemical reaction.
  6. This is essential for photosynthesis and is made up of hydrogen and oxygen.
Down
  1. Energy from the sun.
  2. This is produced by a chemical reaction.
  3. This delivers water to a plant.
  4. Photosynthesis produces this.
  5. Transports water around a plant.

11 Clues: Energy from the sun. • Photosynthesis produces this. • A byproduct of photosynthesis. • This delivers water to a plant. • Transports water around a plant. • This is where photosynthesis occurs. • This is produced by a chemical reaction. • The starting parts in a chemical reaction. • This green pigment in plants absorbs the sun's energy. • ...

Unit 5: Chemical Reactions 2022-06-07

Unit 5: Chemical Reactions crossword puzzle
Across
  1. the symbol that separates the products and the reactants
  2. ______ displacement occurs when one element replaces another element in a compound
  3. the substances that undergo the chemical change
  4. the little numbers after some elements that tell you how many of that specific element are in a compound
  5. the larger numbers in front of molecules that apply to every element within that molecule
  6. chemical _______ is the combination of element symbols and subscripts that tell you what the substance is made of
  7. the substances that are produced in a chemical reaction
  8. _______'s number is how many atoms or molecules are in one mole of a substance
  9. when a reactant is lit on fire (O2) to produce only carbon dioxide and water
Down
  1. when two or more simple reactants are combined to form a new more complex product
  2. ______ displacement occurs when different atoms in two different compounds trade places
  3. chemical ______ is the symbolic form which shows a process in which substances undergo chemical change and a new substance is formed
  4. element _______ is the letter(s) from the periodic table that represent each element
  5. when a reactant breaks down into two or more simpler products
  6. mole _____ allows you to convert between moles of two different substances in a reaction
  7. _______ mass is the mass of one mole of a substance
  8. atoms that are found in pairs in nature

17 Clues: atoms that are found in pairs in nature • the substances that undergo the chemical change • _______ mass is the mass of one mole of a substance • the substances that are produced in a chemical reaction • the symbol that separates the products and the reactants • when a reactant breaks down into two or more simpler products • ...

PHYSICAL AND CHEMICAL CHANGES 2020-06-30

PHYSICAL AND CHEMICAL CHANGES crossword puzzle
Across
  1. Over 110 of these are listed on the periodic table.
  2. Which science is obviously the best?
  3. A form of energy associated with the movement of atoms and molecules in any material
  4. Characteristic that can be observed or measured without changing the compostition
  5. Bend over on itself so that one part of it covers another
  6. The most important sign of chemical change.
  7. Separate or cause to separate into pieces as a result of a blow, shock or strain
  8. On Monday, lead nitrate and potassium iodide mixed together to form a yellow p..........
  9. A distinctive smell, especially an unpleasant one
  10. A colorless, odoUrless, gas produced by burning carbon and organic compounds and by respiration.
  11. Magnesium and hydrochloric acid reacted together to create this type of gas. When ignited, it makes a loud POP!
  12. To make a solution of, as by mixing with liquid.
Down
  1. Any change that results in the formation of new chemical substances
  2. To pull apart so as to leave ragged or irregular edges
  3. A physical change may include a change in s....o.m..... An example of this is ice melting to water.
  4. Burning magnesium, reacting sodium with water, and glow sticks all create the same type of evidence of chemical reaction. It is ......
  5. True or false, the holes or 'bubbles' in bread are evidence of a physical reaction?
  6. Crushing a solid is a form of this type of change.
  7. A SUBSTANCE that is composed of two or more DIFFERENT TYPES OF ATOMS
  8. To pass from the liquid to the solid state by loss of heat
  9. Characteristic that can be observed or measured without changing the compostition
  10. Combustion is a type of chemical change. It is often referred to as b......
  11. Vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear
  12. A rising temperature
  13. The action of bringing a liquid to the temperature at which it bubbles and turns to vapor
  14. A falling temperature
  15. Chemical reactions may become exothermic. This is a type of energy created.
  16. When gas is formed in a reaction, it is often seen by this.

28 Clues: A rising temperature • A falling temperature • Which science is obviously the best? • The most important sign of chemical change. • To make a solution of, as by mixing with liquid. • A distinctive smell, especially an unpleasant one • Crushing a solid is a form of this type of change. • Over 110 of these are listed on the periodic table. • ...

Chemistry Crossword 2012-11-22

Chemistry Crossword crossword puzzle
Across
  1. The rate at which a hydrocarbon turns into gas
  2. The process in which electricity is used to break apart a chemical compound
  3. A mixture of two metals
  4. A substance that speeds up a chemical reaction without being used up
  5. Electromagnetic radiation emitted from a hot object
  6. An emulsifier molecule which forms chemical bonds with oils but not with water
  7. Joining together lots of small alkene molecules to form a polymer
  8. A substance which stabilises emulsions stopping them from separating out
  9. Fats which have many double bonds
  10. A hydrocarbon which has at least one double bond between carbon atoms
  11. The chemical change that occurs in the leaves of green plants which uses light energy to convert carbon dioxide and water to glucose
  12. The transfer of heat energy through a material without the material itself moving
  13. A thermal decomposition reaction which breaks molecules down by heating them
  14. The process in which limestone is extracted from the ground
  15. A polymer that cannot be broken down
  16. A reaction in which oxygen combines with a substance it also means a loss of electrons
  17. The electrode in which reduction occurs in electrolysis
  18. A natural mineral that contains enough metal to be worth extracting
Down
  1. An emulsifier molecule which forms chemical bonds with water but not with oil
  2. A molecule made of only carbon and hydrogen atoms with single bonds
  3. The break down of a substance into simpler compounds or elements
  4. When hydrogen is added to a carbon-carbon multiple bond
  5. A base which is soluble in water
  6. The centre of the earth that is made up of liquid nickel and iron
  7. Fats which have one double bond in each fatty acid
  8. The transfer of heat energy through a moving liquid or gas
  9. How thick a liquid is, how well it flows
  10. A colourless sweet viscous liquid component of fats
  11. An emulsifier commonly used in food
  12. The electrode where oxidation occurs in electrolysis

30 Clues: A mixture of two metals • A base which is soluble in water • Fats which have many double bonds • An emulsifier commonly used in food • A polymer that cannot be broken down • How thick a liquid is, how well it flows • The rate at which a hydrocarbon turns into gas • Fats which have one double bond in each fatty acid • Electromagnetic radiation emitted from a hot object • ...

Macromolecules and Cell Structure 2024-09-29

Macromolecules and Cell Structure crossword puzzle
Across
  1. a chemical reaction that absorbs heat from its environment.
  2. the gelatinous liquid that fills the inside of a cell.
  3. end substances after a biological process has occurred.
  4. a space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid.
  5. the basic building block of nucleic acids (RNA and DNA).
  6. a macromolecule. he body's main fuel source.
  7. small molecules that are the building blocks of proteins.
  8. A sweet, syrupy liquid obtained from animal fats and oils or by the fermentation of glucose.
  9. separates the interior of the cell from the outside environment.
  10. a molecule contains double or triple carbon-carbon bonds. not saturated.
  11. a structural layer that surrounds some cell types, found immediately outside the cell membrane.
  12. microscopic hair-like structures involved in the locomotion of a cell.
  13. the building blocks of the fat in our bodies and in the food we eat.
Down
  1. naturally occurring chemical compounds that serve as the primary information-carrying molecules in cells.
  2. a stack of small flat sacs formed by membranes inside the cell's cytoplasm
  3. a chemical reaction that releases energy by light or heat.
  4. a molecule made up of amino acid
  5. proteins that help speed up metabolism, or the chemical reactions of our body
  6. produce proteins for the rest of the cell to function.
  7. a macromolecule a fatty, waxy, or oily compounds that are soluble in organic solvents and insoluble in polar solvents such as water.
  8. the sugar formed when two monosaccharides are joined by glycosidic linkage
  9. completely filled with something so that no more can be added.A saturated substance is one in which the atoms are linked by single bonds.
  10. the simplest forms of sugar and the most basic units (monomers) from which all carbohydrates are built
  11. a carbohydrate that can be decomposed by hydrolysis into two or more molecules of monosaccharides.
  12. the cellular machinery responsible for making proteins.
  13. the minimum energy required to cause a process (such as a chemical reaction) to occur.
  14. the repository of genetic information and the cell's control center
  15. produce energy through photosynthesis and oxygen-release processes,

28 Clues: a molecule made up of amino acid • a macromolecule. he body's main fuel source. • the gelatinous liquid that fills the inside of a cell. • produce proteins for the rest of the cell to function. • end substances after a biological process has occurred. • the cellular machinery responsible for making proteins. • the basic building block of nucleic acids (RNA and DNA). • ...

Chapter 13 Chemical Reactions (wow) Logan 2020-03-03

Chapter 13 Chemical Reactions (wow) Logan crossword puzzle
Across
  1. A + BC -> AC + B
  2. A chemical that donates a hydrogen ion, H+.
  3. AB -> A + B
  4. A substance that lowers the activation energy of a chemical reaction, which allows for the reaction to proceed at a faster rate.
Down
  1. If changed, the equilibrium shifts to oppose change, until new equilibrium is reached.
  2. AB + CD -> AD + CB
  3. AB + oxygen -> oxides of A & B + H2O
  4. A + B -> AB
  5. When reaction and it’s reverse act at the same rate.
  6. How quickly the concentration of reactants decreases and how quickly the concentration of products increases.

10 Clues: A + B -> AB • AB -> A + B • A + BC -> AC + B • AB + CD -> AD + CB • AB + oxygen -> oxides of A & B + H2O • A chemical that donates a hydrogen ion, H+. • When reaction and it’s reverse act at the same rate. • If changed, the equilibrium shifts to oppose change, until new equilibrium is reached. • ...

Maddie Smith - Chapter 13 Chemical Reactions 2018-03-04

Maddie Smith - Chapter 13 Chemical Reactions crossword puzzle
Across
  1. a substance that takes part in and undergoes change during a reaction
  2. is also known as bond energy
  3. an ___ indicates a chemical reaction
  4. no atoms are gained or lost during any reaction
  5. there is a net release of energy
Down
  1. one or more new compounds are formed as a result of the rearrangement of atoms
  2. there is a net absorption of energy
  3. ___ is difficult to reverse, but not impossible
  4. are the species formed from chemical reactions
  5. is the amount of energy required to pull two bonded amounts apart

10 Clues: is also known as bond energy • there is a net release of energy • there is a net absorption of energy • an ___ indicates a chemical reaction • are the species formed from chemical reactions • ___ is difficult to reverse, but not impossible • no atoms are gained or lost during any reaction • is the amount of energy required to pull two bonded amounts apart • ...

Carbon 2024-01-16

Carbon crossword puzzle
Across
  1. Cells make most of their macromolecules by joining smaller molecules into chains
  2. A reaction that removes a molecule of water as two molecules become bonded together.
  3. It speeds up the rate of a specific chemical reaction in the cell.
  4. Carbon-based molecules
  5. Essentially the reverse of a dehydration reaction
Down
  1. The building blocks of polymers
  2. affect a molecule’s function by participating in chemical reactions.
  3. are molecules consisting of only carbon and hydrogen.
  4. Compounds with the same formula but different structural arrangements
  5. carbohydrates, proteins, and nucleic acids—can be gigantic

10 Clues: Carbon-based molecules • The building blocks of polymers • Essentially the reverse of a dehydration reaction • are molecules consisting of only carbon and hydrogen. • carbohydrates, proteins, and nucleic acids—can be gigantic • It speeds up the rate of a specific chemical reaction in the cell. • affect a molecule’s function by participating in chemical reactions. • ...

Photosynthesis 2022-02-02

Photosynthesis crossword puzzle
Across
  1. A process where a plant turns water, CO2 and sunlight into their food.
  2. What kind of reaction is photosynthesis?
  3. Another name for sugar, what plants make for their food.
Down
  1. A reactant of photosynthesis; we breathe it out.
  2. The organelle in plant cells where photosynthesis takes place.
  3. The green coloring in plants that absorbs light.
  4. A product of photosynthesis; we need it to breathe.
  5. A reactant of photosynthesis; H20.
  6. A part of a chemical reaction that reacts with the other parts.
  7. Something that is made due to a chemical reaction.

10 Clues: A reactant of photosynthesis; H20. • What kind of reaction is photosynthesis? • A reactant of photosynthesis; we breathe it out. • The green coloring in plants that absorbs light. • Something that is made due to a chemical reaction. • A product of photosynthesis; we need it to breathe. • Another name for sugar, what plants make for their food. • ...

Equilibrium Vocabulary 2022-03-30

Equilibrium Vocabulary crossword puzzle
Across
  1. diagram that shows multiple reactions interact with each other
  2. lowers solubility of ionic compounds by adding another ion
  3. energy with chemical reaction that is free to use
  4. measurement of products and reactants in a reaction
  5. combines nitrogen with hydrogen under high pressure
  6. shows speed of molecules that are distributed with ideal gases
  7. value of quotient reaction
Down
  1. equilibrium where there are forward and backward reactions taking place
  2. does not allow mass to change but can allow heat to transfer
  3. process that releases energy
  4. constant for a solid dissolving in a liquid
  5. process that increases enthalpy
  6. ratio of concentration of products to concentration of reactants
  7. internal energy + product of volume and pressure
  8. when dynamic energy is disturbed, equilibrium would shift
  9. amount of energy required for a reaction

16 Clues: value of quotient reaction • process that releases energy • process that increases enthalpy • amount of energy required for a reaction • constant for a solid dissolving in a liquid • internal energy + product of volume and pressure • energy with chemical reaction that is free to use • measurement of products and reactants in a reaction • ...

combustion 2026-02-10

combustion crossword puzzle
Across
  1. Substances formed in a chemical reaction
  2. gas require to combustion to occur
  3. Smallest particle of an element
  4. the process of heat and light
  5. the process of burning
  6. liquid
  7. 100 percent alcohol
  8. material that is on fire
  9. very hot liquid fuel
Down
  1. what you breath out
  2. small hot particle thrown from a fire
  3. whatpeople breath
  4. Flame color that indicates complete combustion
  5. Substances present at the start of a reaction
  6. hot

15 Clues: hot • liquid • whatpeople breath • what you breath out • 100 percent alcohol • very hot liquid fuel • the process of burning • material that is on fire • the process of heat and light • Smallest particle of an element • gas require to combustion to occur • small hot particle thrown from a fire • Substances formed in a chemical reaction • Substances present at the start of a reaction • ...

Chemistry words 2019-05-21

Chemistry words crossword puzzle
Across
  1. amount of a substance per defined space
  2. of microscopically dispersed
  3. ion-water molecule
  4. number of moles
  5. mixture composed of two or more substances
  6. Base-electron pair
  7. word for mixable
  8. of hydrogen ion
Down
  1. compound that conducts electricity
  2. solution- pH 7
  3. ion-diatomic anion
  4. of reducing the concentration of a solute
  5. chemical reaction
  6. base- dissociated in aqueous solution
  7. acid-donates protons
  8. liquids

16 Clues: liquids • solution- pH 7 • number of moles • of hydrogen ion • word for mixable • chemical reaction • ion-diatomic anion • ion-water molecule • Base-electron pair • acid-donates protons • of microscopically dispersed • compound that conducts electricity • base- dissociated in aqueous solution • amount of a substance per defined space • of reducing the concentration of a solute • ...

Chemical Properties 2024-09-04

Chemical Properties crossword puzzle
Across
  1. Property a characteristic or behavior of a substance that may be observed when it undergoes a chemical change or reaction.
  2. Reaction one or more substances are converted into another substance.
  3. molecules made up of two or more different elements.
  4. Reaction thermal energy (heat) goes out of the substance.
  5. a particular kind of matter with uniform properties.
  6. two liquids are mixed together and a solid is formed.
Down
  1. Reaction thermal energy (heat) goes into the substance.
  2. Change one substance reacts with another substance to become a new substance.
  3. chemical reaction where oxygen has reacted with another substance to create a new substance (rust).
  4. easily set on fire
  5. burns easily
  6. a pure substance that is made up of only one kind of atom.

12 Clues: burns easily • easily set on fire • molecules made up of two or more different elements. • a particular kind of matter with uniform properties. • two liquids are mixed together and a solid is formed. • Reaction thermal energy (heat) goes into the substance. • Reaction thermal energy (heat) goes out of the substance. • ...

Unit 3 Enzymes crossword 2025-10-02

Unit 3 Enzymes crossword crossword puzzle
Across
  1. the materials that are specifically affected by an enzyme
  2. the substances that are made after the reaction.
  3. the substances beforehand that are later changed.
  4. a solution that is under 7 PH is considered this
  5. the location on an enzyme where the substrates affected
  6. a protein catalyst that speeds up biological reactions
  7. when an enzyme gets deformed and loses its shape.
Down
  1. the energy that is needed to start a chemical reaction
  2. a solution that is over 7 ph is considered this.
  3. a special material that speeds up a chemical reaction

10 Clues: the substances that are made after the reaction. • a solution that is over 7 ph is considered this. • a solution that is under 7 PH is considered this • the substances beforehand that are later changed. • when an enzyme gets deformed and loses its shape. • a special material that speeds up a chemical reaction • the energy that is needed to start a chemical reaction • ...

Reactions 2021-12-12

Reactions crossword puzzle
Across
  1. Reactant ions exchange places to from new products
  2. One element is replaced by another in a compound
  3. Chemical species breaks down into smaller parts
  4. Substance used to in the start of a chemical reaction
  5. Species formed by reactants
  6. Substance reacts with oxygen gas
Down
  1. Symbolic representation of chemical reaction. Reactants on the left, products on the right
  2. Two reactants combine to from one product
  3. Ordering system for elements

9 Clues: Species formed by reactants • Ordering system for elements • Substance reacts with oxygen gas • Two reactants combine to from one product • Chemical species breaks down into smaller parts • One element is replaced by another in a compound • Reactant ions exchange places to from new products • Substance used to in the start of a chemical reaction • ...

Advanced Science - Chemistry - First Term 2012-10-30

Advanced Science - Chemistry - First Term crossword puzzle
Across
  1. what side of the periodic table are the metals placed?
  2. a chemical reaction that takes in energy.
  3. what are the horizontal rows in the periodic table called?
  4. what is the name of the process for a liquid changing to a gas?
  5. The minimum amount of energy particles need to react.
  6. elements in the same group are similar because they have the same number of outer ---------?
  7. how many elements are liquid state at room temperature?
  8. a solution that wont dissolve any more solute at that temperature.
Down
  1. the name given when a chemical reaction gives off gas.
  2. what do the elements gain as you descend the groups?
  3. what is the name given when an enzyme is destroyed by high temperatures.
  4. What has taken place when a change of state occurs?
  5. a firework display is an example of what kind of reaction?
  6. What is the name of the first group of elements?

14 Clues: a chemical reaction that takes in energy. • What is the name of the first group of elements? • What has taken place when a change of state occurs? • what do the elements gain as you descend the groups? • The minimum amount of energy particles need to react. • what side of the periodic table are the metals placed? • ...

Worthy White Crossword 2019-09-30

Worthy White Crossword crossword puzzle
Across
  1. the amount of energy required to pull the two bonded atoms
  2. another name for bond activation
  3. reaction where there is a net release of energy
  4. type of chemical reaction
  5. where the atom grows
  6. type of chemical reaction
Down
  1. reaction where there is a net absortion of energy
  2. where the atoms get broken down
  3. type of chemical reaction
  4. way we read chemical equations

10 Clues: where the atom grows • type of chemical reaction • type of chemical reaction • type of chemical reaction • way we read chemical equations • where the atoms get broken down • another name for bond activation • reaction where there is a net release of energy • reaction where there is a net absortion of energy • the amount of energy required to pull the two bonded atoms

Stoichiometry Vocabulary 2022-02-23

Stoichiometry Vocabulary crossword puzzle
Across
  1. 6.02 x 10^23 of these atoms is approximately 15.999g
  2. 6.02 x 10^23 of something
  3. number of steps required to get from grams of thing one to grams of thing two
  4. the large numbers used to balance chemical equations
  5. unit for mass used in stoichiometry
  6. the number of grams one mole of something is (in units of g/mol)
  7. the mole is named after this scientist
  8. a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data
Down
  1. 6.02 x 10^23 of these atoms is approximately 1.008g
  2. part of a fraction where the desired unit generally goes
  3. number of steps required to get from moles of thing one to grams of thing one
  4. the ratio created from coefficients from a chemical reaction
  5. part of a fraction where the undesired unit generally goes
  6. the small numbers in chemical equations that cannot be changed when balancing
  7. number of steps required to get from moles of thing one to grams of thing two

15 Clues: 6.02 x 10^23 of something • unit for mass used in stoichiometry • the mole is named after this scientist • 6.02 x 10^23 of these atoms is approximately 1.008g • 6.02 x 10^23 of these atoms is approximately 15.999g • the large numbers used to balance chemical equations • part of a fraction where the desired unit generally goes • ...

Physical Science Vocab 2022-11-30

Physical Science Vocab crossword puzzle
Across
  1. the center of an atom
  2. ab+c->ac+b
  3. a reaction involving the absorption of heat
  4. a substance made of different particles
  5. the same element but with a different number of neutrons
  6. elements that have full shells
  7. a reaction that has a release of heat
  8. the up and down rows on the periodic table
Down
  1. small number that multiplies the element before it
  2. ab+cd->ac+bd
  3. a number in an equation
  4. the amount of space something takes up
  5. a substance made by mixing other substances together
  6. electrons that are in the outermost rings
  7. the amount of matter an object has
  8. makes up everything
  9. the breaking down of a compound
  10. an unbalanced charge
  11. the result of a chemical reaction

19 Clues: ab+c->ac+b • ab+cd->ac+bd • makes up everything • an unbalanced charge • the center of an atom • a number in an equation • elements that have full shells • the breaking down of a compound • the result of a chemical reaction • the amount of matter an object has • a reaction that has a release of heat • the amount of space something takes up • a substance made of different particles • ...

Biochem Crossward 2014-09-24

Biochem Crossward crossword puzzle
Across
  1. / building blocks of protien
  2. / A fresh, chemical free substance
  3. / A chemical compound with two or more amino acids
  4. / the process of water spliting a molecule
  5. / Many moomers
  6. / macromolecule containing carbon, hydrogen, and oxygen
  7. / A chemical group attached to a protein
  8. / the lack of water in your body
  9. / fats with water added
  10. / milk sugar
  11. / the building blocks of fat
  12. / a sugar composed of two macromolecules
  13. / water can't pass through
  14. / the organic group of carbon
  15. / a colorless sweet liquid (C3H8O3)
  16. / proteins that cause chemical reactions in your body
  17. / an organic, clear polysaccharide (Pasta)
Down
  1. / a type of fat that is found in your blood
  2. / the simplest form of carbohydrates
  3. / Fats with water added
  4. / The most complex carbohydrate
  5. / fruit sugar
  6. / a natural protein that is abused by athletes (anabolic)
  7. / table sugar
  8. / fiber (celery)
  9. / the increase of a chemical reaction
  10. / the simplest monosaccharide
  11. / the process of proteins breaking down
  12. / one molecule

29 Clues: / milk sugar • / fruit sugar • / table sugar • / Many moomers • / one molecule • / fiber (celery) • / Fats with water added • / fats with water added • / water can't pass through • / building blocks of protien • / the building blocks of fat • / the simplest monosaccharide • / the organic group of carbon • / The most complex carbohydrate • / the lack of water in your body • ...

Enzyme Tic-Tac-Toe 2023-10-13

Enzyme Tic-Tac-Toe crossword puzzle
Across
  1. Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.
  2. large compound formed from combinations of many monomers
  3. Model of enzyme activity that explains how a particular enzyme will only fit with one particular type of substrate.
  4. substance that speeds up the rate of a chemical reaction
  5. Changes in temperature or pH can cause a change in the shape of a protein.
Down
  1. A chemical reaction that breaks apart a larger molecule by adding a molecule of water
  2. building blocks of polymers
  3. reactant of an enzyme-catalyzed reaction
  4. Catalysts for chemical reactions in living things

9 Clues: building blocks of polymers • reactant of an enzyme-catalyzed reaction • Catalysts for chemical reactions in living things • large compound formed from combinations of many monomers • substance that speeds up the rate of a chemical reaction • Changes in temperature or pH can cause a change in the shape of a protein. • ...

Photosynthesis 2021-04-07

Photosynthesis crossword puzzle
Across
  1. CO2(Spelled in one word)
  2. Chemical reaction where light energy turns into chemical energy/glucose.
  3. Lets oxygen out of leaves/plants and CO2 into plants
  4. Organelles that do photosynthesis
  5. Green molecules that absorbs sunlight.
  6. Making something new by combining other things.
Down
  1. Transports water throughout the plant.
  2. What is latin for light?
  3. What is made from chemical reactions?
  4. H2O
  5. What are needed to make chemical reactions?
  6. Transports nutrients(glucose) throughout plants.

12 Clues: H2O • CO2(Spelled in one word) • What is latin for light? • Organelles that do photosynthesis • What is made from chemical reactions? • Transports water throughout the plant. • Green molecules that absorbs sunlight. • What are needed to make chemical reactions? • Making something new by combining other things. • Transports nutrients(glucose) throughout plants. • ...

vocab 6b nabach 2017-03-23

vocab 6b nabach crossword puzzle
Across
  1. chemical reaction in which heat is released
  2. states the matter is neither created not destroyed
  3. verticle column on the periodic table
  4. metals and non-metals on the zigzag
Down
  1. electron on the outermost energy level
  2. chemical reaction that requires an input of energy
  3. reaction to hold atoms together
  4. horizontal row on the periodic table

8 Clues: reaction to hold atoms together • metals and non-metals on the zigzag • horizontal row on the periodic table • electron on the outermost energy level • verticle column on the periodic table • chemical reaction in which heat is released • chemical reaction that requires an input of energy • states the matter is neither created not destroyed

gu 2024-01-10

gu crossword puzzle
Across
  1. minimum amount of energy
  2. bond between the enzyme and substrates
  3. specific location where a substrate binds on an enzyme
  4. is a substance that lowers the activation energy needed to start a chemical reaction.
  5. released in the form of heat or light.
  6. is found in saliva.
Down
  1. energy is absorbed.
  2. reactants that bind to the enzyme
  3. the starting substances,
  4. substances formed during the reaction,
  5. Is the process by which atoms or groups of atoms in substances are reorganized into different substances.
  6. speed up the rate of chemical reactions in the body.

12 Clues: energy is absorbed. • is found in saliva. • minimum amount of energy • the starting substances, • reactants that bind to the enzyme • substances formed during the reaction, • bond between the enzyme and substrates • released in the form of heat or light. • speed up the rate of chemical reactions in the body. • specific location where a substrate binds on an enzyme • ...

Properties 2023-01-12

Properties crossword puzzle
Across
  1. The ability for matter to conduct heat or electricity
  2. When matter DOES undergo a change
  3. Material that are present before a chemical reaction
  4. When the size of the matter is important
  5. Something we can observe without changing the matter
  6. Matter created by a chemical reaction
Down
  1. Properties that do not depend on size
  2. How much mass is in a space
  3. The ability for something to dissolve
  4. When matter COULD undergo a change
  5. The amount of space matter occupies
  6. The amount of matter in an object

12 Clues: How much mass is in a space • When matter DOES undergo a change • The amount of matter in an object • When matter COULD undergo a change • The amount of space matter occupies • Properties that do not depend on size • The ability for something to dissolve • Matter created by a chemical reaction • When the size of the matter is important • ...

Stoichiometry Vocabulary 2022-02-23

Stoichiometry Vocabulary crossword puzzle
Across
  1. 6.02 x 10^23 of these atoms is approximately 15.999g
  2. 6.02 x 10^23 of something
  3. number of steps required to get from grams of thing one to grams of thing two
  4. the large numbers used to balance chemical equations
  5. unit for mass used in stoichiometry
  6. the number of grams one mole of something is (in units of g/mol)
  7. the mole is named after this scientist
  8. a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data
Down
  1. 6.02 x 10^23 of these atoms is approximately 1.008g
  2. part of a fraction where the desired unit generally goes
  3. number of steps required to get from moles of thing one to grams of thing one
  4. the ratio created from coefficients from a chemical reaction
  5. part of a fraction where the undesired unit generally goes
  6. the small numbers in chemical equations that cannot be changed when balancing
  7. number of steps required to get from moles of thing one to grams of thing two

15 Clues: 6.02 x 10^23 of something • unit for mass used in stoichiometry • the mole is named after this scientist • 6.02 x 10^23 of these atoms is approximately 1.008g • 6.02 x 10^23 of these atoms is approximately 15.999g • the large numbers used to balance chemical equations • part of a fraction where the desired unit generally goes • ...

Do You Want To Do A Crossword Puzzle? 2016-05-19

Do You Want To Do A Crossword Puzzle? crossword puzzle
Across
  1. horizontal row on the periodic table
  2. is an electron that is the most likely to be involved in a chemical reaction
  3. a subatomic particle with no charge
  4. a subatomic particle with a negative charge
  5. the amount of matter in a particle or object
  6. substances that result from the recombination of atoms
Down
  1. the system of electrons surrounding the nucleus of an atom
  2. present in a chemical reaction that are consumed during the reaction to make products
  3. subatomic particle with a positive electric charge
  4. center of an atom that holds all the mass
  5. a vertical column in the periodic table, elements with similar properties

11 Clues: a subatomic particle with no charge • horizontal row on the periodic table • center of an atom that holds all the mass • a subatomic particle with a negative charge • the amount of matter in a particle or object • subatomic particle with a positive electric charge • substances that result from the recombination of atoms • ...

Metabolism and Enzymes 2021-10-23

Metabolism and Enzymes crossword puzzle
Across
  1. able to speed up chemical reactions by lowering the activation energy
  2. the energy released when ATP is broken down, is used as the energy input for the endergonic reactions of the cell
  3. the amount of energy it takes to start a reaction
  4. all the chemical reactions that take place in a cell
Down
  1. a reaction that absorbs energy
  2. a process that changes a substance into another substance
  3. What level of structure is essential for proper enzyme function?
  4. a reaction that releases energy
  5. gives the ability to do work and bring about change
  6. enter the active site
  7. the amount of disorder in a system

11 Clues: enter the active site • a reaction that absorbs energy • a reaction that releases energy • the amount of disorder in a system • the amount of energy it takes to start a reaction • gives the ability to do work and bring about change • all the chemical reactions that take place in a cell • a process that changes a substance into another substance • ...

Chemistry vocabulary 2024-01-25

Chemistry vocabulary crossword puzzle
Across
  1. Earth Metals Soft, silvery-gray elements located in group 2. Contain 2 valence electrons in outer energy levels. Chemically reactive.
  2. Electrons Electrons located in the outer shell or energy level.
  3. Substances produced from a chemical reaction.
  4. Metals Six elements located in group one, excludes Hydrogen, highly reactive. Contains one valence electron in outer energy level.
  5. Metals Elements in group 3-12, also include elements below the periodic table. True metals that are hard, dense, and malleable. Chemically reactive as the outer energy level is partially filled with electrons.
Down
  1. Elements that begin with Lanthanum; reactive transition elements.
  2. A substance that undergoes a change during the reaction.
  3. Equations A representation of a chemical reaction using symbols to represent elements in the reaction.
  4. Elements that begin with Actinium are unstable radioactive transition metals.
  5. of Conservation of Mass Mass cannot be created or destroyed within a closed system.

10 Clues: Substances produced from a chemical reaction. • A substance that undergoes a change during the reaction. • Electrons Electrons located in the outer shell or energy level. • Elements that begin with Lanthanum; reactive transition elements. • Elements that begin with Actinium are unstable radioactive transition metals. • ...

Chemistry vocabulary 2024-01-25

Chemistry vocabulary crossword puzzle
Across
  1. Earth Metals Soft, silvery-gray elements located in group 2. Contain 2 valence electrons in outer energy levels. Chemically reactive.
  2. Electrons Electrons located in the outer shell or energy level.
  3. Substances produced from a chemical reaction.
  4. Metals Six elements located in group one, excludes Hydrogen, highly reactive. Contains one valence electron in outer energy level.
  5. Metals Elements in group 3-12, also include elements below the periodic table. True metals that are hard, dense, and malleable. Chemically reactive as the outer energy level is partially filled with electrons.
Down
  1. Elements that begin with Lanthanum; reactive transition elements.
  2. A substance that undergoes a change during the reaction.
  3. Equations A representation of a chemical reaction using symbols to represent elements in the reaction.
  4. Elements that begin with Actinium are unstable radioactive transition metals.
  5. of Conservation of Mass Mass cannot be created or destroyed within a closed system.

10 Clues: Substances produced from a chemical reaction. • A substance that undergoes a change during the reaction. • Electrons Electrons located in the outer shell or energy level. • Elements that begin with Lanthanum; reactive transition elements. • Elements that begin with Actinium are unstable radioactive transition metals. • ...

Chemistry Crossword 2023-04-10

Chemistry Crossword crossword puzzle
Across
  1. - A chemical element with the symbol H
  2. - A group of soft, highly reactive metals
  3. - A substance that can donate hydrogen ions
  4. - The basic unit of a chemical element
  5. - A chemical element with the symbol C
  6. - A group of atoms bonded together
  7. - A pure substance that cannot be broken down into simpler substances
  8. - A subatomic particle with no charge
Down
  1. - A type of chemical bond where atoms share electrons
  2. gas - A group of elements with low chemical reactivity
  3. - A subatomic particle with a negative charge
  4. - A solid material that is typically shiny and malleable
  5. - An atom with the same number of protons but a different number of neutrons
  6. - A substance that can accept hydrogen ions
  7. - A state of matter that has a fixed volume but no fixed shape
  8. - A state of matter that has no fixed shape or volume
  9. - A compound formed by the reaction of an acid with a base
  10. - A subatomic particle with a positive charge
  11. - A substance made up of two or more elements
  12. - A chemical element with the symbol O

20 Clues: - A group of atoms bonded together • - A subatomic particle with no charge • - A chemical element with the symbol H • - The basic unit of a chemical element • - A chemical element with the symbol C • - A chemical element with the symbol O • - A group of soft, highly reactive metals • - A substance that can accept hydrogen ions • - A substance that can donate hydrogen ions • ...

Properties of Matter Crossword 2023-02-15

Properties of Matter Crossword crossword puzzle
Across
  1. a chemical property that usually appears on bread
  2. a chemical change used in demolition(think of a bomb)
  3. a powder like substance
  4. creates and new substance and gives off heat or light
  5. a physical change that deals with how it looks
  6. a physical change that happens when you leave ice out
  7. a chemical change we see when we are boiling something
  8. a type of conductivity that goes with technology
  9. the temperature when a liquid substance goes from gas to liquid
Down
  1. ability of substance to form a new substance
  2. the state or process of rotting or decay
  3. detected by the senses or can be identified without a chemical reaction
  4. changes state of matter without creating a new substance
  5. how much stuff is in a given amount of space.
  6. a physical change can't be created or ______
  7. a chemical change that we do everyday in our kitchen
  8. anything that takes up space and can be weighed
  9. a chemical change that has a burning sensation
  10. another word for rust
  11. a physical change that you need scissors or a knife for

20 Clues: another word for rust • a powder like substance • the state or process of rotting or decay • ability of substance to form a new substance • a physical change can't be created or ______ • how much stuff is in a given amount of space. • a physical change that deals with how it looks • a chemical change that has a burning sensation • ...

Checkpoint 2- 8th 2025-10-23

Checkpoint 2- 8th crossword puzzle
Across
  1. Hot temperature change ; evidence of chemical change
  2. Letter on the Periodic Table
  3. Cannot be destroyed;Law of Conservation
  4. Forced that occur when two objects are in contact
  5. Powdery substance or film that forms as evidence for a chemical change
  6. When two unequal forces interact
  7. Single, Pure Substance; One Capital Letter
  8. Initial force on an object; 3rd Law of Motion
  9. Mixture of multiple elements; Multiple Capital Letters
  10. Forces that occur in every day life I.e gravity
  11. Type of change that only affects the appearance of an object
Down
  1. A pulling force dragging items towards Earth
  2. The number of atoms of a single chemical
  3. Secondary force on an objects; 3rd Law of Motion
  4. Any Change in motion
  5. Tendency to resist change; 1st Law of Motion
  6. Cold Temperature change; evidence of chemical change
  7. Net Force = 0
  8. Type of change that is irreversible and produces substance with mew properties
  9. Force that occurs when two objects are rubbing against each other
  10. Total amount of force acting on an object
  11. The number of chemical compounds used in a formula

22 Clues: Net Force = 0 • Any Change in motion • Letter on the Periodic Table • When two unequal forces interact • Cannot be destroyed;Law of Conservation • The number of atoms of a single chemical • Total amount of force acting on an object • Single, Pure Substance; One Capital Letter • A pulling force dragging items towards Earth • Tendency to resist change; 1st Law of Motion • ...

Enzyme 2026-03-04

Enzyme crossword puzzle
Across
  1. the process of making large molecules from smaller ones
  2. end substances that result from metabolic pathways, enzyme-catalyzed reactions, or cellular processes.
  3. Organic cofactors
  4. The energy required to start any reaction
  5. the process of breaking down large molecules into smaller ones
  6. the sum of all the chemical reactions occurring in that cell
Down
  1. the active site as having a set shape
  2. the active site as having a set shape
  3. absorbs free energy from the surroundings
  4. substances present at the start of a chemical reaction that are consumed or transformed to form new substances, known as products.
  5. reaction is one that has a net release of free energy.
  6. inhibit the activity of enzymes.

12 Clues: Organic cofactors • inhibit the activity of enzymes. • the active site as having a set shape • the active site as having a set shape • absorbs free energy from the surroundings • The energy required to start any reaction • reaction is one that has a net release of free energy. • the process of making large molecules from smaller ones • ...

photosyntesis 2026-02-03

photosyntesis crossword puzzle
Across
  1. chemical formula for water
  2. an elongated cell organelle containing chloropyll where photosynthesis takes place
  3. roots absorb water from roots
  4. organisms that use light energy from the sun to produce food.
  5. plants need ? energy
  6. humans require ? to survive
  7. organisms that cannot use the suns energy to make food.
  8. is photo synthesis a chemical or physical reaction
Down
  1. the green pigment inside the chloroplast that absorbs light for photosynthesis
  2. plants are the ? step on the food chain
  3. respiration the breakdown of glucose molecules to release energy
  4. the process changing light energy to chemical energy
  5. we can not make our own food so we get it from...?
  6. another scientific word for sugar
  7. chemical formula for carbon dioxide

15 Clues: plants need ? energy • chemical formula for water • humans require ? to survive • roots absorb water from roots • another scientific word for sugar • chemical formula for carbon dioxide • plants are the ? step on the food chain • we can not make our own food so we get it from...? • is photo synthesis a chemical or physical reaction • ...

Crossword Puzzle Chapter 3 2025-04-23

Crossword Puzzle Chapter 3 crossword puzzle
Across
  1. Rust forming on a bike is an example of what type of change?
  2. The temperature in which a solid changes to a liquid
  3. The ability to dissolve
  4. A Physical property that allows some materials to attract certain metals
  5. The point or temperature in which a liquid changes into a gas
  6. When water heats up and starts to evaporate
  7. A physical property that allows some materials to be easily moved or folded with ease
  8. Flammability and ability to rust is an example of which type of property?
  9. A chemical property that shows how easy or hard a material can be to ignite or set on fire
  10. When you mix two liquids to make a solid
Down
  1. States that the total mass before a chemical reaction is the same as the total mass after the chemical reaction
  2. A physical property that allows electricity to flow through certain metals.
  3. Size, color, and temperatures is an example of what type of property?
  4. When you burn a piece of paper is an example of what type of change?
  5. A chemical property that forms when iron reacts with water and oxygen

15 Clues: The ability to dissolve • When you mix two liquids to make a solid • When water heats up and starts to evaporate • The temperature in which a solid changes to a liquid • Rust forming on a bike is an example of what type of change? • The point or temperature in which a liquid changes into a gas • When you burn a piece of paper is an example of what type of change? • ...

LS Bio 1.1 & 1.2: Macromolecules & Enzymes VOCAB Quiz #1 2025-08-21

LS Bio 1.1 & 1.2: Macromolecules & Enzymes VOCAB Quiz #1 crossword puzzle
Across
  1. The subunits that make up polymers, each polymer has a specific type of monomer.
  2. A macromolecule made of nucleotides. It stores and transmits genetic information in living things.
  3. A large molecule (macromolecule) composed of repeating units called monomers.
  4. A single sugar molecule, such as glucose or fructose.
  5. Monomer that makes up proteins.
  6. Monomer of nucleic acids, composed of a phosphate, sugar, and nitrogen containing base.
  7. A protein that acts as a biological catalyst, speeding up chemical reactions in living organisms.
Down
  1. All the chemical reactions that occur inside a living thing to maintain homeostasis.
  2. A structural change in an enzyme at its active site; this will cause the enzyme to stop functioning.
  3. Anything that speeds up a chemical reaction
  4. A macromolecule made of sugar monomers. Used mainly as a quick energy source for living things.
  5. A macromolecule made of amino acids.
  6. The minimum amount of energy required to initiate a chemical reaction.
  7. The molecule that carries genetic instructions passed from parents to offspring. It contains the code for making proteins.
  8. Fats, oils or waxes that provide living things with stored energy, insulation, protection, and waterproofing.

15 Clues: Monomer that makes up proteins. • A macromolecule made of amino acids. • Anything that speeds up a chemical reaction • A single sugar molecule, such as glucose or fructose. • The minimum amount of energy required to initiate a chemical reaction. • A large molecule (macromolecule) composed of repeating units called monomers. • ...

Photosynthesis and Cellular Respiration 2022-05-05

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. equations must be balanced
  2. used for all processes that is within a cell that needs energy
  3. openings or pores in the epidermis of leaves
  4. respiration process that occurs in the mitochondria of all organisms
  5. requires light, water, carbon dioxide, and light absorbing
  6. used as food by the plant
  7. take in carbon dioxide through tiny openings and pores in leaves
Down
  1. powerhouse of the cell
  2. substances that are produced in the reaction
  3. substances that start a chemical reaction
  4. an organelle within the cells of plants
  5. gas essential to living organisms

12 Clues: powerhouse of the cell • used as food by the plant • equations must be balanced • gas essential to living organisms • an organelle within the cells of plants • substances that start a chemical reaction • substances that are produced in the reaction • openings or pores in the epidermis of leaves • requires light, water, carbon dioxide, and light absorbing • ...

Photosynthesis and Cellular Respiration 2022-05-05

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. openings or pores in the epidermis of leaves
  2. substances that are produced in the reaction
  3. substances that start a chemical reaction
  4. must be balanced
  5. requires light, water, carbon dioxide, and light absorbing
Down
  1. process that occurs in the mitochondria of all organisms
  2. an organelle within the cells of plants
  3. take in carbon dioxide through tiny openings and pores in leaves
  4. used for all processes that is within a cell that needs energy
  5. powerhouse of the cell
  6. used as food by the plant
  7. gas essential to living organisms

12 Clues: must be balanced • powerhouse of the cell • used as food by the plant • gas essential to living organisms • an organelle within the cells of plants • substances that start a chemical reaction • openings or pores in the epidermis of leaves • substances that are produced in the reaction • process that occurs in the mitochondria of all organisms • ...

Chemical Reactions 2024-05-07

Chemical Reactions crossword puzzle
Across
  1. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  2. a starting substance that is part of a chemical reaction
  3. the temperature at which a liquid will begin to boil and turn to vapor
  4. the relative size of things
  5. the tiny pieces that all matter-all the stuff in the world-is made up of
Down
  1. an ending substance that is part of a chemical reaction
  2. to change the order or position of something
  3. something that is made of all the same atoms or groups of atoms
  4. the temperature at which a solid will begin to melt and turn to liquid
  5. a process in which atoms rearrange to form new substances
  6. something that can be observed about a substance, such as its color, smell, or boiling point

11 Clues: the relative size of things • to change the order or position of something • an ending substance that is part of a chemical reaction • a starting substance that is part of a chemical reaction • a process in which atoms rearrange to form new substances • something that is made of all the same atoms or groups of atoms • ...

Reactions in Plants 2025-10-22

Reactions in Plants crossword puzzle
Across
  1. a new substance made in chemical reaction.
  2. a process that plants use to make their own food. It needs light to work
  3. a type of respiaration in which oxygen is used to release energy from subtances, such as glucose
  4. an important sugar, which is used as a reactant in respiration.
  5. a variable that prevents the rate (speed) of process from becoming any faster.
Down
  1. a way of writing out what happens in a chemical reaction using symbols to represent the subtances invloved.
  2. a substance used to make other substance.
  3. tube made of living phloem cells that transports dissolved substances around the plant.
  4. the green substance found insied choloroplasts. It traps energy transferred by light.
  5. a green disc containing chlorophyll, found in plant cells. Where the plants makes food, using photosynthesis
  6. a substance that takes part in chemical reaction.

11 Clues: a substance used to make other substance. • a new substance made in chemical reaction. • a substance that takes part in chemical reaction. • an important sugar, which is used as a reactant in respiration. • a process that plants use to make their own food. It needs light to work • a variable that prevents the rate (speed) of process from becoming any faster. • ...

Dictionary 2024-10-07

Dictionary crossword puzzle
Across
  1. the amount of matter in an item
  2. the reaction of separating different elements
  3. a number that represents the amount of molecules
  4. indicates the amount of an atom in a molecule
  5. particles used as building blocks
  6. a substance that is unbreakable
Down
  1. takes part in chemical reaction, on left side of arrow
  2. a grouping of atoms bonded together
  3. the result of chemical reactions
  4. substance(two words) a singular element
  5. when 2 or more elements combine

11 Clues: the amount of matter in an item • when 2 or more elements combine • a substance that is unbreakable • the result of chemical reactions • particles used as building blocks • a grouping of atoms bonded together • substance(two words) a singular element • the reaction of separating different elements • indicates the amount of an atom in a molecule • ...

Chapter 5 2022-05-03

Chapter 5 crossword puzzle
Across
  1. when one element replaces another in a compound
  2. A change that alters the appearance
  3. The new substances that are formed
  4. Used to decrease the speed of chemical reactions.
  5. states that matter isn’t destroyed or created
  6. Provide a surface for reactions to take place
  7. increases the reaction rate
  8. When matter changes to form a new substance
  9. The minimum amount needed to start chemical reactions
Down
  1. When the bonds can’t break down the product, this normally produces heat
  2. Numbers used to balance the chemical equation
  3. When more energy is required to break the bonds of the reactants
  4. A way to show chemical reactions using symbols
  5. When two compounds break down to form simple elements
  6. A solid that forms form liquids
  7. To combine elements to form a compound
  8. Substances that undergo chemical change
  9. The amount of a substance in one area

18 Clues: increases the reaction rate • A solid that forms form liquids • The new substances that are formed • A change that alters the appearance • The amount of a substance in one area • To combine elements to form a compound • Substances that undergo chemical change • When matter changes to form a new substance • Numbers used to balance the chemical equation • ...

Chemical Bonds 2022-10-25

Chemical Bonds crossword puzzle
Across
  1. many electrons does a shell need to be full 8
  2. the ratio of sodium to chalroie 1:1
  3. bond combing 2 or more electrons
  4. charged ions metals
Down
  1. change is a reaction that occurs outside the atom
  2. change a reaction occurs within the atom
  3. chemical formula of the sugar in a marshmallow
  4. two things that come together
  5. hydrogen have an outer shell yes
  6. bond transferring electrons

10 Clues: charged ions metals • bond transferring electrons • two things that come together • hydrogen have an outer shell yes • bond combing 2 or more electrons • the ratio of sodium to chalroie 1:1 • change a reaction occurs within the atom • many electrons does a shell need to be full 8 • chemical formula of the sugar in a marshmallow • ...

Science RA 2023-04-14

Science RA crossword puzzle
Across
  1. a change in shape,size and substance
  2. a substance that can be broken down
  3. protons plus neutrons
  4. charged central core of an atom, containing protons and neutrons
  5. a substance reacts to other substance
Down
  1. there when a start of a chemical reaction
  2. two and more elements
  3. describes the element
  4. Cannot be broken down by any chemical reaction
  5. a substance made out of various types of particles

10 Clues: two and more elements • protons plus neutrons • describes the element • a substance that can be broken down • a change in shape,size and substance • a substance reacts to other substance • there when a start of a chemical reaction • Cannot be broken down by any chemical reaction • a substance made out of various types of particles • ...

Vocabulary 2022-11-08

Vocabulary crossword puzzle
Across
  1. Distributes water to the plant
  2. Lets gases in and out of the leaf
  3. Distributes water to the plant
  4. Carries the glucose to the plant for its life processes
  5. Process by which a green plant makes its own food
  6. The factory where photosynthesis happens
  7. substances formed after the chemical reaction
Down
  1. needed for chemical reaction to take place
  2. Pigment which absorbs the sun’s energy
  3. photosynthesis
  4. Organelle that contains chlorophyll

11 Clues: photosynthesis • Distributes water to the plant • Distributes water to the plant • Lets gases in and out of the leaf • Organelle that contains chlorophyll • Pigment which absorbs the sun’s energy • The factory where photosynthesis happens • needed for chemical reaction to take place • substances formed after the chemical reaction • ...

Photosynthesis/Cellular Respiration Crossword 2025-12-08

Photosynthesis/Cellular Respiration Crossword crossword puzzle
Across
  1. A process to create energy in plants
  2. Releases energy in the form of light or heat
  3. Fluid filled space in the chloroplast
  4. Where cellular respiration occurs
  5. Substances that are made during a chemical reaction
  6. Energy
Down
  1. Substances that are changed in a chemical reaction
  2. A process to create energy in animals
  3. Absorbs energy in the form of light or heat
  4. Where photosynthesis occurs

10 Clues: Energy • Where photosynthesis occurs • Where cellular respiration occurs • A process to create energy in plants • A process to create energy in animals • Fluid filled space in the chloroplast • Absorbs energy in the form of light or heat • Releases energy in the form of light or heat • Substances that are changed in a chemical reaction • ...

Chemical reaction and equations 2022-06-16

Chemical reaction and equations crossword puzzle
Across
  1. A substance added to food containing oils and fats is called
  2. The condition produced by aerial oxidation of fats and oils in food marked by unpleasant smell and taste is called
  3. The process in which metals are eaten up gradually by action of air,moisture or a chemical or the surface
  4. When ferrous sulphate is heated strongly it undergoes deep composition to form ferric oxide as a main product accompanied by a change in colour from Green to
Down
  1. What type of chemical reaction take place when electricity is passed through water
  2. What type of process is respiration
  3. The process of reduction involves removal of
  4. Which gas can be used for storage
  5. Precipitation in which energy is given out are known as

9 Clues: Which gas can be used for storage • What type of process is respiration • The process of reduction involves removal of • Precipitation in which energy is given out are known as • A substance added to food containing oils and fats is called • What type of chemical reaction take place when electricity is passed through water • ...

Types of Chemical Reaction 2024-05-15

Types of Chemical Reaction crossword puzzle
Across
  1. electrical decomposition
  2. exchange of ions to form new products
  3. oxidation and reduction takes place simultaneously
  4. reactions where heat is absorped
  5. reaction where heat is released
Down
  1. decomposition with the help of heat
  2. two or more reactants react to form a single product
  3. decomposition with the help of sunlight
  4. a highly reactive reactants displaces a lesser reactive reactant

9 Clues: electrical decomposition • reaction where heat is released • reactions where heat is absorped • decomposition with the help of heat • exchange of ions to form new products • decomposition with the help of sunlight • oxidation and reduction takes place simultaneously • two or more reactants react to form a single product • ...

Chemistry Crossword 2021-03-04

Chemistry Crossword crossword puzzle
Across
  1. First element
  2. Matter is not equal on both sides
  3. Comes before the reaction
  4. Matter is equal on both sides
Down
  1. Reactant, Arrow, Product
  2. Nothing is created or destroyed
  3. Happens during a chemical reaction
  4. Between the reactant and product
  5. Has mass and takes up space
  6. Comes after the reaction

10 Clues: First element • Reactant, Arrow, Product • Comes after the reaction • Comes before the reaction • Has mass and takes up space • Matter is equal on both sides • Nothing is created or destroyed • Between the reactant and product • Matter is not equal on both sides • Happens during a chemical reaction

chemistry crossword 2022-05-24

chemistry crossword crossword puzzle
Across
  1. The reactions in which both oxidation and reduction are occurring together are called ___________ reaction.
  2. Fe+CuSO4= FeSO4 + Cu is an example of ____________ reaction.
  3. Energy in the form of heat is released in _______ reaction.
  4. An equation should be _________ to obey the law of conservation of mass.
  5. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change is called ____________.
Down
  1. when C and O2 are combined, CO2 is received as a __________.
  2. A reaction in which oxygen is added or hydrogen is removed from a substance is called ___________ reaction.
  3. In ____________ reaction, two or more reactants react to produce one product.

8 Clues: Energy in the form of heat is released in _______ reaction. • when C and O2 are combined, CO2 is received as a __________. • Fe+CuSO4= FeSO4 + Cu is an example of ____________ reaction. • An equation should be _________ to obey the law of conservation of mass. • In ____________ reaction, two or more reactants react to produce one product. • ...

corrosion 2026-02-11

corrosion crossword puzzle
Across
  1. protective layer preventing corrosion
  2. chemical slowing corrosion reactions
  3. Gain of electrons in a reaction
  4. iron alloy prone to corrosion
  5. water promotiong corrosion
  6. Salt content increasing corrosion rate
  7. surface where reduction occurs
Down
  1. iron corrosion forming reddish oxide
  2. Loss of electrons in a reaction
  3. metal forming protective oxide
  4. actions preventing equipment damage
  5. barrier protecting metal surfaces
  6. metal forming green patina
  7. Conductive liquide enabling corrosion
  8. meta that rusts easily

15 Clues: meta that rusts easily • metal forming green patina • water promotiong corrosion • iron alloy prone to corrosion • metal forming protective oxide • surface where reduction occurs • Loss of electrons in a reaction • Gain of electrons in a reaction • barrier protecting metal surfaces • actions preventing equipment damage • iron corrosion forming reddish oxide • ...

Chemical Reactions 2022-11-09

Chemical Reactions crossword puzzle
Across
  1. Chemical reactions can _____,
  2. _____ reactions occur automatically, without any catalysts or assistance
  3. _____are simple alterations in the appearance or feel of matter that do not alter its fundamental composition
  4. Chemical changes that give off heat are _____
  5. _____ compounds and molecules
  6. Scientists often wear protective gear because some chemical reactions can be _____
Down
  1. Two kinds of evidence that a chemical reaction has taken place are a change in _____
  2. or _____
  3. _____, or
  4. Chemical changes that absorb heat are _____
  5. The processes of creating and/or destroying chemical bonds change the makeup and properties of substances, and are called _____
  6. When properly harnessed, many chemical reactions are _____

12 Clues: or _____ • _____, or • Chemical reactions can _____, • _____ compounds and molecules • Chemical changes that absorb heat are _____ • Chemical changes that give off heat are _____ • When properly harnessed, many chemical reactions are _____ • _____ reactions occur automatically, without any catalysts or assistance • ...

Unit 4 - Reactions 2025-05-21

Unit 4 - Reactions crossword puzzle
Across
  1. A reaction where one element replaces another in a compound
  2. Oxidation number of oxygen in most compounds, add charge in front
  3. universal solvent
  4. A cube of metal is flattened into a sheet. What type of reaction is this?
  5. One of the spectator ions present in the reaction: NaCl(aq)+AgNO3(aq)->AgCl(s)+NaNO3(aq)
Down
  1. Not present in net ionic equation
  2. Color of copper(II) sulfate in solution
  3. A solid that forms in a chemical reaction
  4. Compound of known concentration in a lab involving an indicator
  5. Oxidation number of elements in monoatomic elemental form
  6. Electrons are transferred in this type of reaction
  7. Common pH indicator that turns pink in base
  8. insoluble 3

13 Clues: insoluble 3 • universal solvent • Not present in net ionic equation • Color of copper(II) sulfate in solution • A solid that forms in a chemical reaction • Common pH indicator that turns pink in base • Electrons are transferred in this type of reaction • Oxidation number of elements in monoatomic elemental form • A reaction where one element replaces another in a compound • ...

Enzymes 2026-03-03

Enzymes crossword puzzle
Across
  1. An organic non protein molecule that binds to an enzyme for enzymes to function properly.
  2. fit A flexible active site that conforms to a substrate when they are bound.
  3. Sum of all the chemical reactions occurring in that cell.
  4. Molecules that reduce or stop enzyme activity.
  5. The result of a biochemical reaction.
  6. Have reactants with more stored energy than the products of the reaction.
Down
  1. A reaction that absorbs free energy from the surroundings.
  2. and key An active sit with a set shape.
  3. A reaction that releases energy into the surroundings.
  4. A substance that takes part in or undergoes change in a reaction.
  5. Have products with more stored energy than the reactants of the reaction.
  6. energy The energy required to start any reaction.

12 Clues: The result of a biochemical reaction. • and key An active sit with a set shape. • Molecules that reduce or stop enzyme activity. • energy The energy required to start any reaction. • A reaction that releases energy into the surroundings. • Sum of all the chemical reactions occurring in that cell. • A reaction that absorbs free energy from the surroundings. • ...

Chemical Reactions 2025-05-01

Chemical Reactions crossword puzzle
Across
  1. The tiny numbers that tell how many of that element are there
  2. The math function done to elements inside parenthesis
  3. the chemicals you start with (left side of arrow)
  4. the new chemicals formed by a reaction (right side of arrow)
  5. the way to describe the behavior of matter ex: gas, liquid, solid
  6. the type of reaction where two elements for a new compound
  7. The + or - that you have to balance in a compound
  8. The big number used to balance chemical equations
Down
  1. The extra byproduct of a neutralization reaction
  2. A substance that accepts H+ ions, is pH 8-14
  3. Compound considered as One ion rather than multiple elements
  4. The positive ion, or metal in a reaction
  5. Another name for an insoluble compound
  6. Elements that come in pairs, ex: Br I N Cl H O F
  7. Name for something that DOES dissolve
  8. A substance that donates H+ ions, is pH 1-6
  9. The negative ion, or nonmetal in a reaction

17 Clues: Name for something that DOES dissolve • Another name for an insoluble compound • The positive ion, or metal in a reaction • A substance that donates H+ ions, is pH 1-6 • The negative ion, or nonmetal in a reaction • A substance that accepts H+ ions, is pH 8-14 • The extra byproduct of a neutralization reaction • Elements that come in pairs, ex: Br I N Cl H O F • ...

Biology crossword 2022-09-26

Biology crossword crossword puzzle
Across
  1. First step of photosynthesis
  2. Sphere of earth with all water
  3. Sphere of earth all soil and rocks
  4. substances at the beginning of reaction
  5. Process all plants use to create energy
  6. type of organism that can make its own food
  7. process of breaking down glucose
  8. Nutrient used in phosphates
  9. Anything with mass
Down
  1. Nutrient used in proteins
  2. First step of Aerobic Respiration
  3. Second step of photosynthesis
  4. Second step of Aerobic Respiration
  5. meaning oxygen is present
  6. adenosine diphosphate
  7. Organelle site of photosynthesis
  8. Substances created during chemical reaction
  9. Sphere of Earth, All gasses
  10. Adenosine Triphosphate (energy)

19 Clues: Anything with mass • adenosine diphosphate • Nutrient used in proteins • meaning oxygen is present • Sphere of Earth, All gasses • Nutrient used in phosphates • First step of photosynthesis • Second step of photosynthesis • Sphere of earth with all water • Adenosine Triphosphate (energy) • Organelle site of photosynthesis • process of breaking down glucose • ...

Compounds and Chemical Reactions Feb 15 2023-02-15

Compounds and Chemical Reactions Feb 15 crossword puzzle
Across
  1. a combination of two or more atoms
  2. a form of energy some reactions give off
  3. a substance made of two or more elements that are chemically combined
  4. a reaction where two simpler substances become one more complex substance
  5. a molecule made of two atoms
  6. a process where electrical energy breaks apart water
  7. a reaction where a complex substance breaks down into two or more simpler ones
  8. two words. The process where chemicals combine or break down to form new substances
  9. some reactions form this Think bubbles
  10. something that can change in some reactions
  11. a reaction where two compounds swap elements
Down
  1. the simplest particle that makes up an element
  2. the solid that forms from two liquids in some reactions
  3. a reaction where one element boots out an element in a compound
  4. these hold the atoms in compounds together
  5. these will change as a result of a chemical reaction
  6. some of the pennies became this

17 Clues: a molecule made of two atoms • some of the pennies became this • a combination of two or more atoms • a form of energy some reactions give off • some reactions form this Think bubbles • these hold the atoms in compounds together • something that can change in some reactions • a reaction where two compounds swap elements • the simplest particle that makes up an element • ...

Science Finals Review 2022-11-22

Science Finals Review crossword puzzle
Across
  1. needs energy
  2. Are substances composed of macromolecules.
  3. Join with similar molecules to form
  4. a reactant in a chemical reaction.
  5. Holds water molecules together and movement of water in plants; surface tension.
Down
  1. breaking of the bonds.
  2. A substance that is made up of two elements.
  3. no energy
  4. A substance that is altered during the chemical reaction.
  5. what type of energy does active transport need?

10 Clues: no energy • needs energy • breaking of the bonds. • a reactant in a chemical reaction. • Join with similar molecules to form • Are substances composed of macromolecules. • A substance that is made up of two elements. • what type of energy does active transport need? • A substance that is altered during the chemical reaction. • ...

photosynthesis 2021-10-28

photosynthesis crossword puzzle
Across
  1. tubes that carry sugars
  2. the organelles where photosynthesis takes place
  3. substances found in a chemical reaction
  4. a green pigment that allows the plant to absorb sunlight
Down
  1. a gas necessary for photosynthesis
  2. a type of sugar
  3. what is needed for a reaction to take place
  4. tubes for water
  5. a process used by plants to convert light energy to chemical energy
  6. energy from the sun

10 Clues: a type of sugar • tubes for water • energy from the sun • tubes that carry sugars • a gas necessary for photosynthesis • substances found in a chemical reaction • what is needed for a reaction to take place • the organelles where photosynthesis takes place • a green pigment that allows the plant to absorb sunlight • ...

Nuclear Energy 2023-11-09

Nuclear Energy crossword puzzle
Across
  1. the total number of protons and neutrons in a nucleus.
  2. the time taken for the radioactivity of a specified isotope to fall to half its original value
  3. a fast-moving electron emitted by radioactive decay of substances.
  4. same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
  5. a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.
  6. emitting or relating to the emission of ionizing radiation or particles
  7. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  8. a nuclear reaction where a heavy nucleus splits on impact with another particle
Down
  1. a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
  2. gamma rays
  3. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  4. a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
  5. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
  6. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.

14 Clues: gamma rays • the total number of protons and neutrons in a nucleus. • a fast-moving electron emitted by radioactive decay of substances. • emitting or relating to the emission of ionizing radiation or particles • a nuclear reaction where a heavy nucleus splits on impact with another particle • ...

Nuclear Energy 2023-11-09

Nuclear Energy crossword puzzle
Across
  1. the total number of protons and neutrons in a nucleus.
  2. the time taken for the radioactivity of a specified isotope to fall to half its original value
  3. a fast-moving electron emitted by radioactive decay of substances.
  4. same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
  5. a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.
  6. emitting or relating to the emission of ionizing radiation or particles
  7. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  8. a nuclear reaction where a heavy nucleus splits on impact with another particle
Down
  1. a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
  2. gamma rays
  3. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  4. a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
  5. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
  6. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.

14 Clues: gamma rays • the total number of protons and neutrons in a nucleus. • a fast-moving electron emitted by radioactive decay of substances. • emitting or relating to the emission of ionizing radiation or particles • a nuclear reaction where a heavy nucleus splits on impact with another particle • ...

Chemical words 2017-11-04

Chemical words crossword puzzle
Across
  1. another word for poisonous
  2. a natural or chemical material used by farmers
  3. mixing chemicals may cause a chemical .....
  4. a nuclear accident my cause .... of the surrounding area
  5. the kind of industry that produces medicines
  6. a form of energy from nuclear power, harmful to humans
  7. a chemical found in diamonds and coal
  8. plants .... water through their roots
Down
  1. chemicals derived from petrol or natural gas
  2. the gas we breathe out is.....
  3. chemicals used to kill unwanted insects
  4. the opposite of synthetic
  5. chemicals added to food are called food ....
  6. types of synthetic material moulded to make many products
  7. the release of a gas
  8. a household chemical used to disinfect

16 Clues: the release of a gas • the opposite of synthetic • another word for poisonous • the gas we breathe out is..... • a chemical found in diamonds and coal • plants .... water through their roots • a household chemical used to disinfect • chemicals used to kill unwanted insects • mixing chemicals may cause a chemical ..... • chemicals derived from petrol or natural gas • ...

Enzymes - by Sean, Dj, Eddie and Sabine 2021-04-09

Enzymes - by Sean, Dj, Eddie and Sabine crossword puzzle
Across
  1. factor that effects enzyme function that will change the optimum shape of the enzymes
  2. type of cell division that uses enzymes during DNA replication
  3. enzyme that unzips the double helix during DNA replication
  4. factor that increase kinetic energy of substrates, increasing collision theory and rate of reaction
  5. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  6. a region on an enzyme that binds to a protein or other substance during a reaction
  7. factor that allows more substrate particles to collide with active site, increasing the rate of reaction to a certain point
Down
  1. the biological process of producing two identical replicas of DNA from one original DNA molecule
  2. coiled up DNA which are duplicated during mitosis
  3. enzyme that attaches itself to each strand of DNA to prepare it for replication
  4. the enzyme that joins the Okazaki fragments (lagging polynucleotide strands) together
  5. enzyme that adds the complimentary base to the polynucleotide strand during DNA replication
  6. reactants that attach to active site of enzymes

13 Clues: reactants that attach to active site of enzymes • coiled up DNA which are duplicated during mitosis • enzyme that unzips the double helix during DNA replication • type of cell division that uses enzymes during DNA replication • enzyme that attaches itself to each strand of DNA to prepare it for replication • ...

Photosynthesis & Cellular Respiration 2026-03-30

Photosynthesis & Cellular Respiration crossword puzzle
Across
  1. The process plants use to convert sunlight into their food (glucose)
  2. This is the name for the materials made from a chemical reaction (right side of arrow)
  3. The process in which cells break down glucose (sugar) into energy (ATP)
  4. This organelle is found in plant cells and is the site for photosynthesis
  5. This gas is a product of respiration and a reactant needed for photosynthesis
Down
  1. This type of reaction absorbs energy; photosynthesis is an example
  2. This type of reaction releases energy; respiration is an example
  3. This organelle is found in eukaryotic cells and is the site for respiration
  4. This liquid is a product of respiration and a reactant needed for photosynthesis
  5. This is the name for the starting materials in a chemical reaction (left side of arrow)
  6. This is the energy that plants absorb for photosynthesis
  7. This is the three letter name for the energy cells make
  8. This sugar is a product of photosynthesis and a reactant needed for respiration

13 Clues: This is the three letter name for the energy cells make • This is the energy that plants absorb for photosynthesis • This type of reaction releases energy; respiration is an example • This type of reaction absorbs energy; photosynthesis is an example • The process plants use to convert sunlight into their food (glucose) • ...

Quantitative Chemistry Crossword 2024-09-04

Quantitative Chemistry Crossword crossword puzzle
Across
  1. The weighted average mass of an atom of an element compared with one-twelfth of the mass of an atom of carbon-12.
  2. A measure of the amount of solute dissolved in a given volume of solution. It is typically expressed in moles per cubic decimetre (mol/dm³).
  3. he sum of the relative atomic masses of all the atoms in a chemical formula. It applies to compounds and is used in calculations involving moles and mass.
  4. The mass of one mole of a substance, typically expressed in grams per mole (g/mol). For example, the molar mass of carbon dioxide (CO₂) is 44 g/mol.
  5. The percentage by mass of each element in a compound, calculated by dividing the total mass of each element by the relative formula mass of the compound and multiplying by 100.
Down
  1. The number of atoms, molecules, or ions in one mole of a substance, which is 6.02×10236.02 \times 10^{23}6.02×1023.
  2. The reactant in a chemical reaction that is completely consumed first, limiting the amount of products formed.
  3. The principle stating that mass is neither created nor destroyed in a chemical reaction. The mass of the products is always equal to the mass of the reactants.
  4. The volume occupied by one mole of gas at room temperature (20°C) and pressure (1 atm), typically 24 dm³.
  5. The maximum amount of product that can be formed in a reaction, based on the amount of limiting reactant.
  6. The actual number of atoms of each element in a molecule of a compound.
  7. The amount of product actually obtained from a reaction, which is usually less than the theoretical yield due to various factors like incomplete reactions or side reactions.
  8. The reactant in a chemical reaction that remains when the reaction is complete. It is present in a greater amount than necessary to react with the limiting reactant.
  9. A unit for measuring the amount of substance. One mole of any substance contains the same number of particles (atoms, molecules, ions, or electrons) as there are atoms in 12 grams of carbon-12. This number is Avogadro's constant, 6.02×10236.02 \times 10^{23}6.02×1023.
  10. The volume occupied by one mole of a gas at a specified temperature and pressure. At RTP, the molar volume is 24 dm³/mol.
  11. The ratio of the actual yield of a product to the theoretical yield, expressed as a percentage. It is calculated using the formula:
  12. The simplest whole number ratio of atoms of each element in a compound.

17 Clues: The actual number of atoms of each element in a molecule of a compound. • The simplest whole number ratio of atoms of each element in a compound. • The volume occupied by one mole of gas at room temperature (20°C) and pressure (1 atm), typically 24 dm³. • ...

Photosynthesis and Cellular Respiration 2022-05-06

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. openings or pores in the epidermis of leaves
  2. substances that are produced in the reaction
  3. substances that start a chemical reaction
  4. must be balanced
  5. requires light, water, carbon dioxide, and light absorbing
Down
  1. process that occurs in the mitochondria of all organisms
  2. an organelle within the cells of plants
  3. take in carbon dioxide through tiny openings and pores in leaves
  4. used for all processes that is within a cell that needs energy
  5. powerhouse of the cell
  6. used as food by the plant
  7. gas essential to living organisms

12 Clues: must be balanced • powerhouse of the cell • used as food by the plant • gas essential to living organisms • an organelle within the cells of plants • substances that start a chemical reaction • openings or pores in the epidermis of leaves • substances that are produced in the reaction • process that occurs in the mitochondria of all organisms • ...

Week 3 - Thao Le 2015-07-06

Week 3 - Thao Le crossword puzzle
Across
  1. combination : 2 seperate atoms come together to form 1 compound
  2. :something that is produced by the reaction
  3. : something that eneter the reaction
  4. replacement : one element in a pair is replace by another
  5. : the man who calculated a number of moles
  6. : a number word
Down
  1. : balance hydrogen
  2. dozen : 13
  3. : balance everything that not hydrogen or oxygen
  4. replacement : two element pair " switch partner "
  5. : balance oxygen
  6. reaction : a process in which one or more substance converted into new substance
  7. : dissovled in water

13 Clues: dozen : 13 • : a number word • : balance oxygen • : balance hydrogen • : dissovled in water • : something that eneter the reaction • : the man who calculated a number of moles • :something that is produced by the reaction • : balance everything that not hydrogen or oxygen • replacement : two element pair " switch partner " • ...

Week 3 - Thao Le 2015-07-06

Week 3 - Thao Le crossword puzzle
Across
  1. dozen : 13
  2. : something that eneter the reaction
  3. : balance everything that not hydrogen or oxygen
  4. : the man who calculated a number of moles
  5. combination : 2 seperate atoms come together to form 1 compound
  6. : a number word
  7. : balance hydrogen
Down
  1. replacement : one element in a pair is replace by another
  2. replacement : two element pair " switch partner "
  3. : balance oxygen
  4. reaction : a process in which one or more substance converted into new substance
  5. :something that is produced by the reaction
  6. : dissovled in water

13 Clues: dozen : 13 • : a number word • : balance oxygen • : balance hydrogen • : dissovled in water • : something that eneter the reaction • : the man who calculated a number of moles • :something that is produced by the reaction • : balance everything that not hydrogen or oxygen • replacement : two element pair " switch partner " • ...

Week 3 - Thao Le 2015-07-06

Week 3 - Thao Le crossword puzzle
Across
  1. replacement : two element pair " switch partner "
  2. :something that is produced by the reaction
  3. : balance everything that not hydrogen or oxygen
  4. : something that eneter the reaction
  5. replacement : one element in a pair is replace by another
  6. : the man who calculated a number of moles
Down
  1. : balance hydrogen
  2. combination : 2 seperate atoms come together to form 1 compound
  3. dozen : 13
  4. : balance oxygen
  5. reaction : a process in which one or more substance converted into new substance
  6. : a number word
  7. : dissovled in water

13 Clues: dozen : 13 • : a number word • : balance oxygen • : balance hydrogen • : dissovled in water • : something that eneter the reaction • : the man who calculated a number of moles • :something that is produced by the reaction • : balance everything that not hydrogen or oxygen • replacement : two element pair " switch partner " • ...

Chapter 5 Vocab Crossword 2023-10-31

Chapter 5 Vocab Crossword crossword puzzle
Across
  1. respiration that uses something other than oxygen
  2. breaking down complex macromolecules into simple ones
  3. something that speeds up chemical reactions
  4. adding phosphate to a molecule
  5. building complex macromolecules from simple ones
  6. sequence of chemical reactions
  7. protein that serves as biological catalysts
  8. non-protein component of an enzyme
  9. process by which molecules are broken down to produce ATP
  10. removal of electrons from a molecule
  11. cofactor that is an organic molecule
  12. process that produces organic molecules from light and carbon dioxide
  13. process breaking down glucose into pyruvate
Down
  1. addition of electrons to a molecule
  2. all chemical reactions that occur in a cell
  3. energy needed for a chemical reaction to occur
  4. process that breaks down pyruvate without using oxygen or the Krebs Cycle
  5. respiration that uses oxygen

18 Clues: respiration that uses oxygen • adding phosphate to a molecule • sequence of chemical reactions • non-protein component of an enzyme • addition of electrons to a molecule • removal of electrons from a molecule • cofactor that is an organic molecule • all chemical reactions that occur in a cell • something that speeds up chemical reactions • ...

Vocabulary MP1 2024-10-14

Vocabulary MP1 crossword puzzle
Across
  1. A process that involves the transformation of one or more substances into different substances with new chemical and physical properties. This often involves the formation of gas, precipitate, or color change.
  2. The transfer of energy through electromagnetic waves, which can occur in a vacuum (like space) and does not require a medium.
  3. Energy: The energy an object possesses due to its motion, which increases as the speed of the object increases.
  4. A combination of two or more substances where each retains its own properties. Mixtures can be homogeneous or heterogeneous.
  5. A solid that forms and settles out of a liquid mixture during a chemical reaction.
  6. Substances that undergo a chemical change in a reaction. They are found on the left side of a chemical equation.
  7. Substances formed when two or more elements chemically combine in fixed ratios. Compounds have different properties than the elements that compose them.
  8. A form of energy that is transferred between systems or objects with different temperatures, moving from the hotter to the cooler object.
  9. Change: A transition between solid, liquid, and gas states of matter. Phase changes include melting, freezing, boiling, and condensation.
  10. A measure of the average kinetic energy of the particles in a substance, which determines how hot or cold that substance is.
  11. Homogeneous mixtures where one substance (the solute) is dissolved in another (the solvent). Solutions can be solid, liquid, or gas.
Down
  1. Formula: A way of representing the composition of a compound using symbols for the elements and numbers to indicate the ratio of atoms. For example, H2O Two Hydrogen atoms to One Oxygen atom
  2. Substances that are formed as a result of a chemical reaction. They are found on the right side of a chemical equation.
  3. Symbol: A one or two-letter notation used to represent an element. For example,O stands for oxygen and Na stands for sodium.
  4. The amount of solute present in a given volume of solvent or solution. It indicates how strong or weak a solution is.
  5. Pure substances that cannot be broken down into simpler substances. They are the building blocks of matter and are made up of atoms.
  6. The substance that is dissolved in a solution. It is usually present in a smaller amount compared to the solvent.
  7. The substance in a solution that dissolves the solute. It is usually present in the largest amount.
  8. The process by which heat energy is transferred through direct contact between materials, often occurring in solids.
  9. Energy: The total energy of all the particles in a substance, which is related to the temperature and can be transferred as heat.
  10. A change in which the form or appearance of a substance changes, but its chemical composition remains the same. Examples include melting and freezing.
  11. The transfer of heat through the movement of fluids (liquids or gasses) caused by differences in temperature and density.

22 Clues: A solid that forms and settles out of a liquid mixture during a chemical reaction. • The substance in a solution that dissolves the solute. It is usually present in the largest amount. • Energy: The energy an object possesses due to its motion, which increases as the speed of the object increases. • ...

Moles and Stoichiometry 2022-02-09

Moles and Stoichiometry crossword puzzle
Across
  1. Way to represent a chemical reaction
  2. mass of the elements of a substance
  3. Study of the amount of matter in reaction
  4. The atoms are equal the same amount
Down
  1. whats made from the reaction
  2. Ratio of the coefficients
  3. two or more molecules attached
  4. Whats used during the reaction
  5. Measured amount of a substance
  6. A unit of measurement for liquids

10 Clues: Ratio of the coefficients • whats made from the reaction • two or more molecules attached • Whats used during the reaction • Measured amount of a substance • A unit of measurement for liquids • mass of the elements of a substance • The atoms are equal the same amount • Way to represent a chemical reaction • Study of the amount of matter in reaction

Periodic Table 2025-12-18

Periodic Table crossword puzzle
Across
  1. The type of bond created by electrostatic forces of attraction
  2. A noble gas that is lighter than air
  3. The gas released by adding water to sodium
  4. The number of electrons in the outer shell of halogens
  5. A type of bond created by sharing pairs of electrons between two non metals
  6. Chemical symbol for silver
  7. The number of electrons in the outer shell of alkali metals
  8. A group of very reactive non metals
  9. An alkali metal
  10. Chemical symbol for copper
Down
  1. A green gas at room temperature
  2. A type of reaction that releases energy
  3. The structure of an ionic compouns
  4. A liquid halogen at room temperature
  5. Chemical symbol for iron
  6. A noble gas used in light bulbs
  7. Chemical symbol K

17 Clues: An alkali metal • Chemical symbol K • Chemical symbol for iron • Chemical symbol for silver • Chemical symbol for copper • A green gas at room temperature • A noble gas used in light bulbs • The structure of an ionic compouns • A group of very reactive non metals • A noble gas that is lighter than air • A liquid halogen at room temperature • A type of reaction that releases energy • ...

Science Vocabulary (March 10) 2022-03-10

Science Vocabulary (March 10) crossword puzzle
Across
  1. how many things you test in a science experiment
  2. testing something out scientifically
  3. we produce more of this when we are exercising than resting
  4. process used by plants and other organisms to convert light energy into chemical energy
  5. let go
  6. what changes in a science experiment
  7. a group of atoms connected by chemical bonds
  8. move around
Down
  1. how organisms combine oxygen with energy from food
  2. we use more of this when exercising than resting
  3. the group that is used to compare results of an experiment to
  4. result of a chemical interaction
  5. how many breaths per minute you take
  6. how warm or hot your skin is
  7. where chemical reactions happen
  8. energy
  9. information from an experiment
  10. we use more of this when we are exercising than resting
  11. how fast your heart beats

19 Clues: energy • let go • move around • how fast your heart beats • how warm or hot your skin is • information from an experiment • where chemical reactions happen • result of a chemical interaction • testing something out scientifically • how many breaths per minute you take • what changes in a science experiment • a group of atoms connected by chemical bonds • ...

Enzymes 2025-04-10

Enzymes crossword puzzle
Across
  1. a stringy slimy substance consisting of yeast cells and bacteria.
  2. help enzymes function.
  3. Large biomolecules.
  4. any substance that has a defined composition
  5. measured in units of catalytic activity
  6. 37°C
  7. a pure form of matter
  8. involves both mechanical and chemical processes that break down food into smaller components.
  9. Break down larger molecules into smaller ones.
  10. a substance that speeds up a chemical reaction, or lowers the temperature or pressure needed to start one.
Down
  1. decrease or stop enzyme activity.
  2. a metabolic process where organisms break down sugars or other organic molecules anaerobically.
  3. Ale yeast.
  4. Potential of hydrogen
  5. Biological catalyst
  6. small single-celled organisms
  7. the sum of all chemical reactions in the body that convert food and drink into energy.
  8. single-celled, eukaryotic microorganisms classified as fungi.
  9. Build larger molecules from smaller ones.

19 Clues: 37°C • Ale yeast. • Large biomolecules. • Biological catalyst • Potential of hydrogen • a pure form of matter • help enzymes function. • small single-celled organisms • decrease or stop enzyme activity. • measured in units of catalytic activity • Build larger molecules from smaller ones. • any substance that has a defined composition • Break down larger molecules into smaller ones. • ...

SCI Crossword 2016-01-10

SCI Crossword crossword puzzle
Across
  1. a machine used for the purpose of separating mixtures that are usually liquids.
  2. when matter is changed from one form into another the total amount of mass stays the same.
  3. a substance that takes part in a chemical reaction
Down
  1. a system that does allow transfers of mass inreactant a substance that takes part in a chemical reaction (the input)/out of the system
  2. a system that does not allow transfers of mass in/out of the system
  3. the speed at which a substance undergoes a chemical reaction
  4. An element that is generally a gas, have a low density, is usually dull or gaseous, is a poor conductor of heat and electricity, and most are not ductile or malleable.
  5. An element that is solid at room temperature, has a high density, is shiny, is a good conductor of heat and electricity, and most are ductile and malleable.
  6. a substance formed during a chemical reaction

9 Clues: a substance formed during a chemical reaction • a substance that takes part in a chemical reaction • the speed at which a substance undergoes a chemical reaction • a system that does not allow transfers of mass in/out of the system • a machine used for the purpose of separating mixtures that are usually liquids. • ...

Chapter 2 2025-09-28

Chapter 2 crossword puzzle
Across
  1. Anything with mass or volume
  2. Has the chemical symbol Fe
  3. Has the chemical symbol Au
  4. The atomic number for Hydrogen is
  5. Chemical formula for table salt (Sodium Chloride)
  6. Type of chemical reaction when a compound breaks down into elements
  7. Has the chemical symbol Pb
  8. Substance made of one type of molecule
Down
  1. Is made of two hydrogen atoms bonded to one oxygen atom
  2. Elements to the left side of the staircase on the periodic table
  3. Horizontal Rows of the Periodic Table
  4. Scientist known as the father of the periodic table
  5. Elements touching the staircase of the periodic table - they have properties of both metals and non-metals
  6. Substance made of one type of atom
  7. Property of non-metals -Can break or shatter if bent
  8. Name of apparatus used to decompose water
  9. Vertical columns of the periodic table
  10. All metals are this state at room temperature except for mercury

18 Clues: Has the chemical symbol Fe • Has the chemical symbol Au • Has the chemical symbol Pb • Anything with mass or volume • The atomic number for Hydrogen is • Substance made of one type of atom • Horizontal Rows of the Periodic Table • Vertical columns of the periodic table • Substance made of one type of molecule • Name of apparatus used to decompose water • ...

chemistry 2022-04-13

chemistry crossword puzzle
Across
  1. contains two or more substances that are not chemically combined
  2. outer layers of an atom made up of energy levels
  3. what has a positive charge
  4. what is two or more atoms bonded together
  5. substances you end with after the chemical reaction
  6. the smallest unit of matter
  7. protons plus neutrons equal
Down
  1. what has negative charge
  2. a substance composed of two or more elements
  3. what has a neutral charge (no charge )
  4. substance that consist of atoms that have same number of protons
  5. substances you start with before the chemical reaction

12 Clues: what has negative charge • what has a positive charge • the smallest unit of matter • protons plus neutrons equal • what has a neutral charge (no charge ) • what is two or more atoms bonded together • a substance composed of two or more elements • outer layers of an atom made up of energy levels • substances you end with after the chemical reaction • ...

Photosynthesis and Cellular Respiration 2022-05-05

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. powerhouse of the cell
  2. respiration process that occurs in the mitochondria of all organisms
  3. used as food by the plant
  4. gas essential to living organisms
  5. substances that start a chemical reaction
  6. used for all processes that is within a cell that needs energy
  7. take in carbon dioxide through tiny openings and pores in leaves
Down
  1. requires light, water, carbon dioxide, and light absorbing
  2. openings or pores in the epidermis of leaves
  3. equations must be balanced
  4. substances that are produced in the reaction
  5. an organelle within the cells of plants

12 Clues: powerhouse of the cell • used as food by the plant • equations must be balanced • gas essential to living organisms • an organelle within the cells of plants • substances that start a chemical reaction • openings or pores in the epidermis of leaves • substances that are produced in the reaction • requires light, water, carbon dioxide, and light absorbing • ...

Heat Transfer Puzzle 2024-02-06

Heat Transfer Puzzle crossword puzzle
Across
  1. Materials that don't allow heat energy to pass through them well
  2. When atoms share electrons
  3. Transfer of heat through direct contact
  4. Lowest limit of the temperature scale
  5. Materials that transfer heat well
Down
  1. When electrons are transferred between atoms of opposite charge
  2. Result of a chemical reaction
  3. Flow of energy from warmer places to cooler places
  4. Transfer of heat in a liquid or gas
  5. Measurement of the average kinetic energy of the particles of an object
  6. The substances that have caused a chemical reaction
  7. Transfer of heat through electromagnetics waves

12 Clues: When atoms share electrons • Result of a chemical reaction • Materials that transfer heat well • Transfer of heat in a liquid or gas • Lowest limit of the temperature scale • Transfer of heat through direct contact • Transfer of heat through electromagnetics waves • Flow of energy from warmer places to cooler places • The substances that have caused a chemical reaction • ...

Heat Transfer Puzzle 2024-02-06

Heat Transfer Puzzle crossword puzzle
Across
  1. Materials that don't allow heat energy to pass through them well
  2. When atoms share electrons
  3. Transfer of heat through direct contact
  4. Lowest limit of the temperature scale
  5. Materials that transfer heat well
Down
  1. When electrons are transferred between atoms of opposite charge
  2. Result of a chemical reaction
  3. Flow of energy from warmer places to cooler places
  4. Transfer of heat in a liquid or gas
  5. Measurement of the average kinetic energy of the particles of an object
  6. The substances that have caused a chemical reaction
  7. Transfer of heat through electromagnetics waves

12 Clues: When atoms share electrons • Result of a chemical reaction • Materials that transfer heat well • Transfer of heat in a liquid or gas • Lowest limit of the temperature scale • Transfer of heat through direct contact • Transfer of heat through electromagnetics waves • Flow of energy from warmer places to cooler places • The substances that have caused a chemical reaction • ...

enzyme 2026-03-03

enzyme crossword puzzle
Across
  1. organic cofactors
  2. fit describe a flexible active site that changes shape, or conforms, to the substrate as they bond together
  3. the sum of all the chemical reactions occurring in that cell
  4. other molecules tat can inhibit the activity of enzymes
  5. the new substances formed at the end
  6. the process of breaking down large molecules into smaller ones.
Down
  1. the reaction that absorbs free energy from the surroudings
  2. and key describes the active site as having a set shape
  3. the reaction that has a net release of free energy
  4. the starting substances
  5. the process of making large molecules from smaller ones
  6. energy the minimum amount of energy required for reactant particles to collide successfully and start a chemical reaction

12 Clues: organic cofactors • the starting substances • the new substances formed at the end • the reaction that has a net release of free energy • the process of making large molecules from smaller ones • other molecules tat can inhibit the activity of enzymes • the reaction that absorbs free energy from the surroudings • ...

Week 3 - Thao Le 2015-07-06

Week 3 - Thao Le crossword puzzle
Across
  1. replacement : one element in a pair is replace by another
  2. : dissovled in water
  3. dozen : 13
  4. replacement : two element pair " switch partner "
  5. reaction : a process in which one or more substance converted into new substance
  6. :something that is produced by the reaction
  7. : balance everything that not hydrogen or oxygen
Down
  1. : a number word
  2. : something that eneter the reaction
  3. : the man who calculated a number of moles
  4. : balance hydrogen
  5. combination : 2 seperate atoms come together to form 1 compound
  6. : balance oxygen

13 Clues: dozen : 13 • : a number word • : balance oxygen • : balance hydrogen • : dissovled in water • : something that eneter the reaction • : the man who calculated a number of moles • :something that is produced by the reaction • : balance everything that not hydrogen or oxygen • replacement : two element pair " switch partner " • ...

Spot Quiz 01 2026-01-05

Spot Quiz 01 crossword puzzle
Across
  1. Cell that converts chemical energy into electrical energy
  2. Reference electrode for standard electrode potentials
  3. Driving force of an electrochemical reaction
  4. Gain of electrons during a reaction
  5. Measure of acidity or alkalinity
  6. Medium that allows ionic conduction in electrochemical cells
Down
  1. Corrosion due to dissimilar metals connected in an electrolyte
  2. Loss of electrons at an electrode
  3. Electrode where reduction occurs
  4. Electrochemical deterioration of metal
  5. Electrode where oxidation occurs
  6. Process used to coat metals using electricity
  7. Reaction involving both oxidation and reduction

13 Clues: Electrode where reduction occurs • Electrode where oxidation occurs • Measure of acidity or alkalinity • Loss of electrons at an electrode • Gain of electrons during a reaction • Electrochemical deterioration of metal • Driving force of an electrochemical reaction • Process used to coat metals using electricity • Reaction involving both oxidation and reduction • ...

Crossword Vocab 3C Unit 3 words. 2023-11-10

Crossword Vocab 3C Unit 3 words. crossword puzzle
Across
  1. The subunit of proteins
  2. The macromolecule group made up of amino acid monomers and are responsible for most of the work done in the cell
  3. The subunit of nucleic acids
  4. The nucleic acid that contains genetic information and is usually found in the shape of a double helix
  5. The part of an enzyme where molecules will attach and undergo chemical reactions
Down
  1. The substance added to a chemical reaction to increase the speed at which the reaction occurs, it reduces the amount of activation energy to start the reaction.
  2. A molecule or groups of molecules that the enzyme acts upon to speed up a chemical reaction.
  3. The type of bond that is used to hold amino acids to amino acids
  4. The nucleic acid that contains genetic information and is usually found as a single strand of nucleotides
  5. The protein substances that acts as a catalyst in living organisms

10 Clues: The subunit of proteins • The subunit of nucleic acids • The type of bond that is used to hold amino acids to amino acids • The protein substances that acts as a catalyst in living organisms • The part of an enzyme where molecules will attach and undergo chemical reactions • ...

Chemistry vocab 2024-10-25

Chemistry vocab crossword puzzle
Across
  1. What scientific word describes how much space an object takes up
  2. _____ is when the movement of particles from where there are more to where there are less
  3. The ____ rate is the rate of a reaction is the speed at which a chemical reaction happens.
  4. What is the scientific name for any basic unit of matter and energy?
  5. _____ change is any change that causes a new substance to be formed
  6. Energy What’s the scientific name for the energy an object has because of its motion
Down
  1. Which theory states that for a chemical reaction to occur, the reacting particles must collide with one another?
  2. changes _______ are the changes in matter that do not change what the matter is
  3. _______ is the measurement of the number of particles present in a given volume, often in a mixture or solution
  4. Laws Which scientific law(s) relate the pressure, volume, and temperature of a gas

10 Clues: What scientific word describes how much space an object takes up • _____ change is any change that causes a new substance to be formed • What is the scientific name for any basic unit of matter and energy? • changes _______ are the changes in matter that do not change what the matter is • ...

6b vocab 2017-04-10

6b vocab crossword puzzle
Across
  1. nother to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
  2. odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
  3. s are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
  4. chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
  5. n electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
  6. is the symbolic representation of a chemical reaction in the form of symbols and formulas.
  7. the results of a chemical reaction
Down
  1. ysical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition
  2. conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
  3. substance that takes part in and undergoes change during a reaction.
  4. - A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.

11 Clues: the results of a chemical reaction • substance that takes part in and undergoes change during a reaction. • is the symbolic representation of a chemical reaction in the form of symbols and formulas. • n electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...

Organic Chemistry 2020-03-28

Organic Chemistry crossword puzzle
Across
  1. very large molecules made up of repeating units
  2. a reaction in which one molecule combines with another to form a larger molecule with no other products
  3. how is petrol and other fuels extracted from crude oil?
  4. the chemical breakdown of a substance by bacteria
  5. butanol is an
  6. decompose (hydrocarbons) by heat and pressure (a process)
  7. two molecules join together and a small molecule is eliminated (this process is called...)
  8. similar chemical properties and 2 others make up
  9. ethane is an
  10. a long chain molecule formed by the joining of monomers
Down
  1. group of atoms responsible for the characteristic reactions of a compound
  2. polymers formed by addition reactions
  3. hydrocarbons that have a C=C double bond are
  4. a substance that speeds up a reaction without using itself up
  5. ethanoic acid is a
  6. hydrogen and carbon equal a
  7. same molecular formula but different structural formulae
  8. propene is an

18 Clues: ethane is an • butanol is an • propene is an • ethanoic acid is a • hydrogen and carbon equal a • polymers formed by addition reactions • hydrocarbons that have a C=C double bond are • very large molecules made up of repeating units • similar chemical properties and 2 others make up • the chemical breakdown of a substance by bacteria • ...

Electrochemistry Crossword Puzzle 2014-03-16

Electrochemistry Crossword Puzzle crossword puzzle
Across
  1. EQUATION E=Eo-(RT/nF)lnQ
  2. CELL A device in which a non-spontaneous redox reaction occurs
  3. The process by which a metal is unwontedly oxidized by substances in its environment
  4. The branch of chemistry that deals with the relationships between electricity and chemical reactions
  5. A unit of charge that equals the total charge of one mole of electrons
  6. CELL A voltaic cell that uses the same electrolytic species as a cathode and anode
  7. An electrode at which oxidation occurs
  8. AGENT The substance that is oxidized and thereby causes the reduction of some other substance in a redox reaction.
Down
  1. CELL A device in which a spontaneous redox reaction occurs with the passage of electrons through an external circuit
  2. FORCE A measure of the driving force, or electrical pressure, for the completion of an electrochemical reaction
  3. CELL A type of voltaic cell that uses conventional fuels, such as H2 or CH4
  4. HYDROGEN ELECTRODE An electrode based on the following half-reaction: 2H+2e --> H2
  5. PROTECTION A means of protecting a metal agent against corrosion
  6. An equation for either an oxidation or a reduction that explicitly shows the electrons involved
  7. REACTION A reaction in which a non-spontaneous redox reaction occurs with the help of an external electrical potential
  8. REACTION The substance that is reduced and thereby causes the oxidation of some other substance in an oxidation-reduction reaction.
  9. An electrode at which reduction occurs

17 Clues: EQUATION E=Eo-(RT/nF)lnQ • An electrode at which reduction occurs • An electrode at which oxidation occurs • CELL A device in which a non-spontaneous redox reaction occurs • PROTECTION A means of protecting a metal agent against corrosion • A unit of charge that equals the total charge of one mole of electrons • ...

Crack the Code 2022-07-06

Crack the Code crossword puzzle
Across
  1. A reactant of an enzyme-catalyzed reaction.
  2. A protein that acts as a biological catalyst
  3. Energy needed to get a reaction started.
Down
  1. A chemical substance formed as a result of a chemical reaction
  2. The part of an enzyme or antibody where the chemical reaction occurs
  3. A substance that speeds up the rate of a chemical reaction

6 Clues: Energy needed to get a reaction started. • A reactant of an enzyme-catalyzed reaction. • A protein that acts as a biological catalyst • A substance that speeds up the rate of a chemical reaction • A chemical substance formed as a result of a chemical reaction • The part of an enzyme or antibody where the chemical reaction occurs

BT-Crossword Puzzle (4/19/2021) 2021-05-26

BT-Crossword Puzzle (4/19/2021) crossword puzzle
Across
  1. describes an element that has lost electrons and that has increased in oxidation number
  2. the amount of energy as heat resulting from the formation of 1 mol of a substance at constant pressure
  3. a substance that has the potential to reduce another substance
  4. the that gains electrons in an oxidation-reduction reaction and that is reduced
  5. a chemical change in which electrons are gained, either by the removal of oxygen, the addition of hydrogen, or the addition of electrons
  6. the part of a reaction that involves only oxidation or reduction
Down
  1. a substance that accept a proton
  2. describes a substance that has gained electrons, lost an oxygen atom, or gained a hydrogen atom
  3. a device used to measure the heat absorbed or released in a chemical or physical change
  4. any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains electrons); also called redox reaction
  5. the energy transferred between objects that are at different temperatures
  6. a reaction that removes one or more electrons from a substance such that the substance's valence or oxidation state increases
  7. the energy in a system that is available for work; a system's capacity to do useful work
  8. the unit used to express energy, equivalent to the amount of work done by a force of 1 N acting through a distance of 1 m in tie direction of the force (abbreviation, J)

14 Clues: a substance that accept a proton • a substance that has the potential to reduce another substance • the part of a reaction that involves only oxidation or reduction • the energy transferred between objects that are at different temperatures • the that gains electrons in an oxidation-reduction reaction and that is reduced • ...

Science Crossword Puzzle 2025-06-15

Science Crossword Puzzle crossword puzzle
Across
  1. A reaction that releases heat
  2. An image formed where light does not actually reach
  3. Plant tissue that transports food
  4. A substance formed as a result of a chemical reaction
  5. Bending of light as it passes through different mediums
  6. Gradual destruction of materials (usually metals)
  7. A point where light rays meet after reflection or refraction
  8. A slow oxidation reaction of iron with water and oxygen
Down
  1. The breakdown of food into smaller components
  2. The process of releasing energy from food
  3. The functional unit of the kidney
  4. A lens that converges light rays
  5. A substance that takes part in and undergoes change during a reaction
  6. Tiny openings in leaves for gas exchange
  7. A surface that reflects light

15 Clues: A reaction that releases heat • A surface that reflects light • A lens that converges light rays • The functional unit of the kidney • Plant tissue that transports food • Tiny openings in leaves for gas exchange • The process of releasing energy from food • The breakdown of food into smaller components • Gradual destruction of materials (usually metals) • ...

Retrosynthesis Crossword Puzzle 2025-04-20

Retrosynthesis Crossword Puzzle crossword puzzle
Across
  1. Functional group made from a carboxylic acid and an amine
  2. Substance used to cause a chemical reaction
  3. A carbonyl group bonded to two carbon atoms
  4. Carbonyl-containing compound often used in synthesis; more reactive than ketones
  5. Functional group formed from a carboxylic acid and alcohol
  6. Converts alcohols into aldehydes or ketones
  7. Working backwards from a product to figure out how to make it
Down
  1. This reagent adds a carbon chain to carbonyls to form alcohols
  2. Species that donates a pair of electrons to form a new bond
  3. Species that accepts electrons during a reaction
  4. Reaction type used to turn ketones/aldehydes into alcohols
  5. Nucleophile formed from a carbonyl and base; often used in aldol rxns
  6. Often used to deprotonate a compound or generate a nucleophile
  7. ______ group: a species that departs during a substitution reaction
  8. A common functional group made via reduction or Grignard reactions
  9. One of the two components needed to form an ester
  10. One-step substitution reaction, prefers primary alkyl halides

17 Clues: Substance used to cause a chemical reaction • A carbonyl group bonded to two carbon atoms • Converts alcohols into aldehydes or ketones • Species that accepts electrons during a reaction • One of the two components needed to form an ester • Functional group made from a carboxylic acid and an amine • Reaction type used to turn ketones/aldehydes into alcohols • ...