chemical reaction Crossword Puzzles

Chapter Review 9-11 2018-06-17

Chapter Review 9-11 crossword puzzle
Across
  1. equation that does not indicate the relative amounts of the reactants and products
  2. 22.4 L
  3. CN-
  4. compound that contains one or more hydrogen atoms and produces hydrogen ions when dissolved in water
  5. relative amounts of the elements in a compound are expressed as __ composition
  6. chemical change in which one element replaces a second element in a compound
  7. chemical change in which a single compound breaks down into two or more simpler products
  8. species present in a substance, usually atoms, molecules, or formula units
  9. atomic mass of an element expressed in grams
  10. chemical change in which an element or compound reacts with oxygen, producing energy in the form of heat and light
  11. temperature of 0C and a pressure of 101.3kPa
  12. ion that is composed of more than one atom and behaves as unit and carries a charge
  13. small whole numbers that are placed in front of the formulas in an equation in order to balance it
Down
  1. If the metallic element in a binary ionic compound has more than one common ionic charge, a ___ numeral must be included in the cation name
  2. lists in metals in order of decreasing reactivity
  3. equation in which each side of the equation has the sane number of atoms of each element and mass is conserved
  4. chemical change in which two or more substances react to form a single new substance
  5. consist of single atom with a positive or negative charge resulting from the loss or gain of one or more valence electrons
  6. chemical change involving an exchange of positive ions between two compounds
  7. ionic compound that produces hydroxide ions when dissolved in water
  8. SI unit for measuring he amount of substance
  9. The charges of the cations of many transition metal ions must be determined from the number of ___ lost
  10. substance that speeds up the reaction but is not used up in the reaction
  11. representation of a chemical reaction
  12. number of representative particles in a mole
  13. composed of two elements
  14. formula of a compound that gives the lowest whole-number ratio of the atoms or moles of the elements in a compound

27 Clues: CN- • 22.4 L • composed of two elements • representation of a chemical reaction • SI unit for measuring he amount of substance • number of representative particles in a mole • atomic mass of an element expressed in grams • temperature of 0C and a pressure of 101.3kPa • lists in metals in order of decreasing reactivity • ...

vocab 101 2021-01-25

vocab 101 crossword puzzle
Across
  1. Chemical reaction in which thermal energy is released.
  2. A chemical substance that produces hydroxide ions in solution and tastes bitter.
  3. Combining substances so that new substances are formed that are not separated by normal chemical means. The new substances have properties different from those of the original substances.
  4. The characteristic of being able to attract because of an electrical force
  5. The characteristic of a slow moving sticky substance
  6. Property of a substance defining how easily it ignites and burns.
  7. A type of change in which the form of matter is altered but one substance is not transformed into another.
  8. The ability to be drawn out into thin wires
  9. Measure of acidity or basicity of a substance.
  10. The characteristic smell of a substance.
  11. The readiness of a substance to produce hydroxide ions.
  12. Temperature at which a solid substance becomes a liquid.
  13. A measurable characteristic of matter not involving interactions with other substances.
Down
  1. The amount of space an object occupies.
  2. The amount of matter in a defined volume.
  3. The ability to be hammered or pressed down
  4. Measure of the amount of matter in an object.
  5. A characteristic of a substance that describes its potential to change when interacting with other substances.
  6. Property of a substance relating to how easily it reacts with other substances.
  7. The ability to produce electricity
  8. A solid substance that forms from a chemical reaction that takes place in a liquid solution.
  9. Capacity of an acid to react with a base, measured by the number of hydrogen atoms that can be replaced by a base.
  10. A chemical substance that produces hydrogen ions in solution and tastes sour.
  11. Temperature at which a liquid substance becomes a gas.
  12. Chemical reaction in which thermal energy is absorbed.
  13. The readiness of a substance to produce hydrogen ions.
  14. Process where one or more substances are altered into new and different substances.
  15. The ability to rust do to oxygen
  16. The external features of a substance.

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

AP Biology Final 2023-06-09

AP Biology Final crossword puzzle
Across
  1. The gain of electrons by a substance involved in a redox reaction
  2. Anaerobic process in which glucose is broken down
  3. The stored energy that matter possesses as a result of its position or internal structure.
  4. The ability to do work
  5. Process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen, sugars and starches
  6. Flattened membrane sacs inside the chloroplast used to convert light energy to chemical energy.
  7. Heat energy
  8. source of electrons as "reducing power" that can be passed along to an electron receptor, reducing it. provides electrons for photosynthesis
  9. A catabolic process that makes a limited amount of ATP from glucose without an electron transport chain or oxygen and that produces ethyl alcohol or lactic acid.
  10. Process in which organism builds up or breaks down materials.
Down
  1. The distance between the crests of electromagnetic waves
  2. Second stage of photosynthesis in which energy from ATP and NADPH is used to make sugars
  3. Potential energy available for release in a chemical reaction
  4. The portion of the electromagnetic spectrum that can be detected as various colors by the human eye
  5. Organelles that capture the energy from sunlight and convert it into chemical energy during photosynthesis
  6. Protein structure in cell mitochondria that uses energy from H+ ions to convert ADP to ATP by adding a phosphate group
  7. An energy-carrying coenzyme produced by glycolysis and the Krebs cycle.
  8. coenzyme present in all cells that helps enzymes transfer electrons during redox reactions of metabolism
  9. Main energy source that cells use for most of their work
  10. A chemical reaction that involves the loss of an electron.
  11. A discrete quantity of light energy that behaves like it is a particle
  12. The energy of motion
  13. Fluid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organic molecules from carbon dioxide and water
  14. Proteins that speed up chemical reactions
  15. Respiration in which oxygen is consumed and glucose is broken down entirely

25 Clues: Heat energy • The energy of motion • The ability to do work • Proteins that speed up chemical reactions • Anaerobic process in which glucose is broken down • The distance between the crests of electromagnetic waves • Main energy source that cells use for most of their work • A chemical reaction that involves the loss of an electron. • ...

chem 2023-06-02

chem crossword puzzle
Across
  1. electrical energy to chemical energy
  2. element + compound -> element + compound
  3. metals group 1
  4. same formula but different structure, name, and properties
  5. coefficients
  6. con is con rates equal
  7. atoms in = atoms out
  8. chemical that dissolves in water and breaks up into ions. One of the ions being H+
  9. all chemical reactions have mass in = mass out
  10. nuclear reaction that does not look like the others
  11. B went downstairs to get Te without Al
  12. dissolved in water
  13. heat is absorbed
  14. speed up reaction
  15. atomic mass a weighted average of all naturally occurring isotopes of an element
  16. a chemical, that when dissolved in water, breaks up into ions. One of which being (OH)-
  17. hydrogen and carbon only
  18. volume doesn't change
  19. group 17
  20. heat is released
  21. H+
  22. chemical energy to electrical energy
  23. heat goes from where it is to where it isnt
  24. same element but different structure, therefore different properties
Down
  1. when one element becomes a different element
  2. loss of electrons, table j
  3. several reactants -> one product
  4. a way to separate a mixture based on different boiling points
  5. in this reaction, mass converts into energy
  6. metals group 2
  7. #90 or bigger + neutrons -> smaller isotopes + more neutrons
  8. solid to gas
  9. randomness
  10. lab technique to find the molarity of an acid or a base
  11. electrode where oxidation happens
  12. all dissolved, on the curve (table G), at equilibrium
  13. acids, bases, soluble salts
  14. reduced
  15. several things -> 1 thing
  16. 2 ionic compounds-> 2 ionic compounds
  17. the amount of gas in the container is constant
  18. one thing -> many things
  19. radioisotope-> radiation + more stable isotope
  20. average kinetic energy
  21. group 18, most stable because valence electron shell is full
  22. describes the behavior of gases
  23. 2 or more elements combined in a fixed proportion
  24. high mp + bp, diamond, graphite, and compounds with Si
  25. same element but different mass because of a different number of neutrons
  26. cannot be broken down by chemical changes

50 Clues: H+ • reduced • group 17 • randomness • solid to gas • coefficients • metals group 1 • metals group 2 • heat is absorbed • heat is released • speed up reaction • dissolved in water • atoms in = atoms out • volume doesn't change • con is con rates equal • average kinetic energy • one thing -> many things • hydrogen and carbon only • several things -> 1 thing • loss of electrons, table j • ...

Behavior of Matter 2020-11-11

Behavior of Matter crossword puzzle
Across
  1. a type of chemical reaction that absorbs energy to break bonds, getting colder in the process
  2. a characteristic of matter related to the current state of matter
  3. when two more substances cause a chemical change to occur
  4. a law that states that matter can never be created or destroyed; only changed
  5. a change in matter that DOES change the chemical composition of matter; physical properties are usually changed too
  6. the resistance a fluid has to flowing
Down
  1. a type of chemical reaction that releases stored energy when bonds are created, getting hotter in the process
  2. a measurement of the average amount of kinetic energy in a substance
  3. a change in matter does NOT change the chemical composition of matter; only physical properties are changed
  4. a theory that explains what happens to matter when the amount of energy is increased or decreased
  5. the amount of space matter takes up
  6. a characteristic of matter that is related to its ability to change its chemical composition
  7. a measurement of how compact the molecules in matter are
  8. the constant pushing force exerted by one thing on another

14 Clues: the amount of space matter takes up • the resistance a fluid has to flowing • a measurement of how compact the molecules in matter are • when two more substances cause a chemical change to occur • the constant pushing force exerted by one thing on another • a characteristic of matter related to the current state of matter • ...

Matter & Energy 2023-10-16

Matter & Energy crossword puzzle
Across
  1. the insoluble product of a reaction between two aqueous solutions
  2. drawing of atoms and/or molecules frozen in time as a solid, liquid, or gas and as an element or compound
  3. separation of a dissolved solid from a liquid by heating and evaporating the liquid
  4. describes the way a substance will react or not react in a given situation
  5. a trait that describes the way something looks, feels, or smells or how much of a substance there is
  6. a mixture in which the particles are uniformly mixed, looks the same throughout
  7. phase of matter that has no definite shape but has a definite volume
  8. separating two liquids based on their boiling point
  9. a reaction in which the composition of a substance is changed
  10. phase of matter with definite shape and volume
Down
  1. a pure substance composed of two or more elements that are chemically combined in a deffinite proportion
  2. a mixture in which the particles are not uniformly mixed, has layers
  3. separation of liquids based on polarity
  4. a molecule with two identical elements
  5. reaction that releases heat, heat exits the system
  6. phase of matter without a definite shape or volume
  7. anything with mass and volume
  8. a change that does not alter the chemical properties of a substance
  9. separation of a liquid and a solid based on particle size
  10. a substance that cannot be broken down by chemical means, found on the periodic table
  11. reaction that absorbs heat, heat enters the reaction
  12. substances physically combined in variable proportions

22 Clues: anything with mass and volume • a molecule with two identical elements • separation of liquids based on polarity • phase of matter with definite shape and volume • reaction that releases heat, heat exits the system • phase of matter without a definite shape or volume • separating two liquids based on their boiling point • ...

Chemical reaction and equations 2021-08-24

Chemical reaction and equations crossword puzzle
Across
  1. reaction in which heat is evolved
  2. process of rusting of iron
  3. process of removal of hydrogen
  4. mg is the symbol of
  5. substances which take part in a chemical reaction
  6. reaction in which precipitate is formed and separates from the solution
Down
  1. A a solution made in water is known as
  2. type of reaction in digestion of food in our body
  3. reaction in which two or more substances combine to form of single substance
  4. removal of oxygen from a substance

10 Clues: mg is the symbol of • process of rusting of iron • process of removal of hydrogen • reaction in which heat is evolved • removal of oxygen from a substance • A a solution made in water is known as • type of reaction in digestion of food in our body • substances which take part in a chemical reaction • reaction in which precipitate is formed and separates from the solution • ...

Chemical Reaction and Equation 2023-05-07

Chemical Reaction and Equation crossword puzzle
Across
  1. when a metal is attacked by substances around it such as moisture
  2. ____are shown on the left of the arrow
  3. aerial oxidation of fats in food
  4. removal of oxygen
  5. this type of reaction results in releasing of energy
Down
  1. this type of reaction involves absorption of heat
  2. ____ are shown to the right of the arrow
  3. when the total mass of the reactant is equal to the mass of the product the equation is said to be
  4. sign for a chemical change
  5. removal of hydrogen

10 Clues: removal of oxygen • removal of hydrogen • sign for a chemical change • aerial oxidation of fats in food • ____are shown on the left of the arrow • ____ are shown to the right of the arrow • this type of reaction involves absorption of heat • this type of reaction results in releasing of energy • when a metal is attacked by substances around it such as moisture • ...

Science 2022-11-04

Science crossword puzzle
Across
  1. the physical energy resulting from electromagnetic radiation, usually observed as it radiates from a source into the surrounding environment.
  2. a substance that is present at the end of a chemical reaction.
  3. a substance that takes part in and undergoes change during a reaction.
  4. a process that leads to the chemical transformation of one set of chemical substances to another.
  5. (chemical formula CO 2)
  6. organisms use sunlight to synthesize foods from carbon dioxide and water.
  7. is the name of the green pigment that plants use to make food during a process called photosynthesis
  8. a plastid that contains chlorophyll and in which photosynthesis takes place.
Down
  1. powerhouse of the cell
  2. an organism deriving its nutritional requirements from complex organic substances.
  3. the main sugar found in your blood. It comes from the food you eat, and is your body's main source of energy.
  4. respiration a series of chemical reactions that break down glucose to produce ATP
  5. the chemical element with the symbol O and atomic number 8.
  6. an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
  7. the source of energy for use and storage at the cellular level.
  8. is the name of the green pigment that plants use to make food during a process called photosynthesis

16 Clues: powerhouse of the cell • (chemical formula CO 2) • the chemical element with the symbol O and atomic number 8. • a substance that is present at the end of a chemical reaction. • the source of energy for use and storage at the cellular level. • a substance that takes part in and undergoes change during a reaction. • ...

Chemical Bonds and Reactions 2023-10-17

Chemical Bonds and Reactions crossword puzzle
Across
  1. The bond formed when hydrogen atoms are attracted to an electronegative atom (e.g., oxygen) in another molecule.
  2. This type of bond forms when atoms share electrons.
  3. Which type of bond involves the transfer of electrons from one atom to another?
  4. The opposite of an acid, a substance with a pH greater than 7 that tastes bitter.
  5. The minimum energy required for a chemical reaction to occur.
Down
  1. A state where the rates of the forward and reverse reactions are equal, resulting in no net change in the concentration of products and reactants.
  2. A chemical reaction that absorbs heat from its surroundings, making it feel cold.
  3. What is the attraction between molecules of the same substance, like water molecules sticking to each other?
  4. A chemical reaction that releases heat into its surroundings, making it feel hot.
  5. What subatomic particle carries a negative charge and orbits the nucleus of an atom?
  6. Substances that speed up chemical reactions without being consumed in the process.
  7. Biological molecules that act as catalysts in living organisms.
  8. This substance has a pH value less than 7 and tastes sour.
  9. What is the smallest unit of an element that retains its properties?

14 Clues: This type of bond forms when atoms share electrons. • This substance has a pH value less than 7 and tastes sour. • The minimum energy required for a chemical reaction to occur. • Biological molecules that act as catalysts in living organisms. • What is the smallest unit of an element that retains its properties? • ...

Chemical Properties 2021-08-14

Chemical Properties crossword puzzle
Across
  1. this kind of change happens when a new substance is created.
  2. an insoluble solid that emerges from a liquid solution.
  3. when an atom, molecule, or ion loses one or more electrons in a chemical reaction.
  4. a thin layer of corrosion that forms over certain metals as their outermost layers undergo chemical reactions.
  5. the quality of an object or substance with respect to light reflected by the object.
Down
  1. the impetus for which a chemical substance undergoes a chemical reaction, either by itself or with other materials.
  2. at this point a liquid at a specific temperature boils and turns into vapor.
  3. the ability of a chemical to burn or ignite, causing fire or combustion.
  4. at this point a substance will melt at this specific temperature.
  5. the degree of compactness of a substance.
  6. any substance that has mass and takes up space while having volume.
  7. this kind of change only changes the form of a substance.
  8. the amount of matter or substance that makes up and object.

13 Clues: the degree of compactness of a substance. • an insoluble solid that emerges from a liquid solution. • this kind of change only changes the form of a substance. • the amount of matter or substance that makes up and object. • this kind of change happens when a new substance is created. • at this point a substance will melt at this specific temperature. • ...

stochimoetry 2024-04-01

stochimoetry crossword puzzle
Across
  1. A big chemist's number.
  2. mass: How heavy one mole of stuff is.
  3. equation: A sentence showing a chemical reaction.
  4. Here are simplified definitions for the terms you mentioned:
  5. reactant: The ingredient that runs out first.
  6. ratio: The ratio of amounts in moles.
  7. Stuff you end up with.
  8. Tiny numbers after elements showing how many there are.
  9. equation: Math sentence for a reaction.
  10. reactant: The ingredient left over.
Down
  1. number: A huge number of tiny things.
  2. Numbers in front of chemicals in a balanced equation.
  3. reaction: When stuff changes into other stuff.
  4. Math for chemical reactions.
  5. Stuff you start with.
  6. ratio: The ratio of amounts in grams.

16 Clues: Stuff you start with. • Stuff you end up with. • A big chemist's number. • Math for chemical reactions. • reactant: The ingredient left over. • number: A huge number of tiny things. • mass: How heavy one mole of stuff is. • ratio: The ratio of amounts in moles. • ratio: The ratio of amounts in grams. • equation: Math sentence for a reaction. • ...

Unit 2- Biochemistry Words 2024-10-09

Unit 2- Biochemistry Words crossword puzzle
Across
  1. pH value is above 7
  2. Polysaccharides
  3. Most diverse group of macromolecules
  4. Any of the substances entering into a chemical reaction
  5. Monosaccharides, simple sugars
  6. A substance produced by a chemical reaction
  7. Fats, oils, & waxes
Down
  1. the reactants (what you start with)
  2. A biological catalyst is called an
  3. Contain carbon, hydrogen, oxygen, nitrogen, and phosphorus
  4. A substance made up of just one kind of atom
  5. Formed by 2 or more elements combined chemically
  6. Used by living things as their main source of energy
  7. Smallest unit of a compound with at least 2 or more atoms that are joined together
  8. pH value is below 7

15 Clues: Polysaccharides • pH value is above 7 • pH value is below 7 • Fats, oils, & waxes • Monosaccharides, simple sugars • A biological catalyst is called an • the reactants (what you start with) • Most diverse group of macromolecules • A substance produced by a chemical reaction • A substance made up of just one kind of atom • Formed by 2 or more elements combined chemically • ...

Cellular Respiration 2025-09-09

Cellular Respiration crossword puzzle
Across
  1. new substance formed by a chemical reaction
  2. Any kind of living thing
  3. How plants make their own food
  4. starting material of a chemical reaction
  5. the air that we inhale
  6. Allows us to breath - exchanges oxygen and carbon dioxide
  7. The act or process of moving
  8. energy from the sun that provides us warmth
Down
  1. the air that we exhale
  2. study of food and how it works in your body
  3. molecule consisting of 2 hydrogen atoms and 1 oxygen atom
  4. organism that doesn't produce its own food
  5. The process of something becoming bigger
  6. smallest unit of life
  7. the power to make things grow

15 Clues: smallest unit of life • the air that we exhale • the air that we inhale • Any kind of living thing • The act or process of moving • the power to make things grow • How plants make their own food • starting material of a chemical reaction • The process of something becoming bigger • organism that doesn't produce its own food • new substance formed by a chemical reaction • ...

Chem 1 Crossword 2017-12-07

Chem 1 Crossword crossword puzzle
Across
  1. a reaction in which oxygen reacts with another substance, often producing heat or light
  2. I2
  3. a reactions where two or more substances react to from a single substance
  4. F2
  5. adding a symbol after each formula
  6. a reaction that exchanges of positive ions between two compounds
  7. Br2
  8. N2
Down
  1. speeds up a chemical reaction
  2. O2
  3. small whole numbers that appear right before the formula
  4. Reactants on the left, Products on the right
  5. AB → A+B
  6. what we are producing on the other side of the arrow
  7. A reaction where one of the atoms of one element replaces the atoms of a second element in a compound
  8. Cl2

16 Clues: O2 • I2 • F2 • N2 • Cl2 • Br2 • AB → A+B • speeds up a chemical reaction • adding a symbol after each formula • Reactants on the left, Products on the right • what we are producing on the other side of the arrow • small whole numbers that appear right before the formula • a reaction that exchanges of positive ions between two compounds • ...

Cell Chemistry 2013-04-15

Cell Chemistry crossword puzzle
Across
  1. This speeds up chemical reaction
  2. Synthesize sugars or other substances by means of photosynthesis.
  3. C6H12O6
  4. that part of the energy in a substance that can be released by a chemical reaction.
  5. A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
  6. The capacity for work.
  7. reproduction without the fusion of gametes.
  8. The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
  9. Get, acquire, or secure (something)
  10. A compound consisting of a nucleoside linked to a phosphate group. Nucleotides form the basic structural unit of nucleic acids such as DNA.
  11. it is a measure to determine the acidity or alkalinity of a solution or a substance.
  12. O2
  13. A carboxylic acid consisting of a hydrocarbon chain and a terminal carboxyl group, esp. any of those occurring as esters in fats and oils.
  14. Rapid chemical combination of a substance with oxygen, producing heat and light.
  15. A material made up of two or more parts or elements.
  16. A simple organic compound containing both a carboxyl and an amino group.
  17. A state in which opposing forces or influences are balanced.
Down
  1. Take in or soak up (energy, or a liquid or other substance) by chemical or physical action, typically gradually.
  2. In photometry, luminous energy is the perceived energy of light. This is sometimes also called the quantity of light..
  3. A substance that provides nourishment essential for growth and the maintenance of life.
  4. The level of acid in substances such as water, soil, or wine.
  5. transport of a substance across a cell membrane by diffusion; expenditure of energy is not required.
  6. A process that involves rearrangement of the molecular or ionic structure of a substance
  7. The movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
  8. is a number of actions of which each has a certain energy type (centrifugal, electro-magnetic etc'), and is converting to a different type.
  9. Abbreviated for "Adenosine triphosphate."
  10. Abbreviated to "Deoxyribonucleic acid"
  11. Shaped like a sphere.
  12. A green pigment, present in all green plants and in cyanobacteria
  13. A sweet crystalline substance obtained from various plants, esp. sugar cane and sugar beet, consisting essentially of sucrose.
  14. The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms; a group of like or different atoms held together by chemical forces.
  15. Become incorporated into a liquid so as to form a solution
  16. The tendency of molecules of a solvent to pass through a semipermeable membrane from a less concentrated solution into a more concentratration.
  17. enter

34 Clues: O2 • enter • C6H12O6 • Shaped like a sphere. • The capacity for work. • This speeds up chemical reaction • Get, acquire, or secure (something) • Abbreviated to "Deoxyribonucleic acid" • Abbreviated for "Adenosine triphosphate." • reproduction without the fusion of gametes. • A material made up of two or more parts or elements. • ...

44 2025-11-30

44 crossword puzzle
Across
  1. Region where substrate binds on enzyme
  2. Neutral species with unpaired electron
  3. Adding acyl group to aromatic compound
  4. Breakdown of molecules to release energy
  5. Positively charged carbon species
  6. Short-lived species during reaction
  7. Organic molecule assisting enzyme
  8. Building complex molecules from simpler ones
  9. Minimum energy required to react
Down
  1. Site other than active site for regulation
  2. Non-protein helper for enzyme activity
  3. Total of all chemical reactions in organism
  4. Molecule acted on by enzyme
  5. Substance reducing enzyme activity
  6. Adding alkyl group to aromatic compound
  7. Atom or molecule donating electrons
  8. Protein acting as biological catalyst
  9. Negatively charged carbon species
  10. Highest energy point during reaction
  11. Atom or molecule seeking electrons
  12. Step-by-step pathway of reaction

21 Clues: Molecule acted on by enzyme • Step-by-step pathway of reaction • Minimum energy required to react • Negatively charged carbon species • Positively charged carbon species • Organic molecule assisting enzyme • Substance reducing enzyme activity • Atom or molecule seeking electrons • Atom or molecule donating electrons • Short-lived species during reaction • ...

Chemistry 2019-02-20

Chemistry crossword puzzle
Across
  1. A combination of two or more substances that mix together without any chemical reaction taking place. An example is air which consists of nitrogen, oxygen, argon, carbon dioxide, etc. They do not have a fixed composition and can usually be easily separated.
  2. A solid substance that has been separated from a liquid in a chemical process.
  3. A non-homogenous mixture formed by immiscible liquids.
  4. The homogeneous mixture of a solute, which can be a solid or a liquid or a gas, dissolved in a solvent.
  5. A substance that reacts with a base to form a salt and water only. Any chemical substance that can donate protons or accept electrons.
  6. A substance used to cause a chemical reaction, especially in order to find out if another substance is present. Sometimes used as a synonym of reactant
Down
  1. A substance that reacts with an acid to form a salt and water only. Any chemical substance that can accept protons or donate electrons.
  2. A substance that makes a chemical reaction happen faster without being changed itself.
  3. A substance dissolved in another substance, usually the component of a solution present in the lesser amount.
  4. A species formed by the chemical combination of two or more elements
  5. A heterogeneous (or non-homogeneous) mixture formed by the combination of a solid (solute) and a liquid (solvent)
  6. A liquid from vapour in distillation.
  7. A substance, especially a liquid, that can dissolve another substance, usually the component of a solution present in the largest amount.
  8. A liquid or gas that has been filtered.

14 Clues: A liquid from vapour in distillation. • A liquid or gas that has been filtered. • A non-homogenous mixture formed by immiscible liquids. • A species formed by the chemical combination of two or more elements • A solid substance that has been separated from a liquid in a chemical process. • ...

Balancing Chemical Equations Vocab Terms 2024-04-10

Balancing Chemical Equations Vocab Terms crossword puzzle
Across
  1. The smallest unit of matter to exist that is used in a chemical equation.
  2. A chemical equation with an unequal amount of atoms on both sides.
  3. Anything that has mass and takes up space.
  4. Matter cannot be created nor destroyed.
  5. The substances presented after a chemical reaction.
  6. A chemical equation with an equal amount of atoms on both sides.
Down
  1. The numbers infront of reactants or products in chemical equations that can be changed to balance a chemical equation.
  2. The numbers below an element to determine how many atoms of that element exist.
  3. The substances presented before the chemical reaction.
  4. A scientist who used a fruit to the Law of Conservation of Mass.

10 Clues: Matter cannot be created nor destroyed. • Anything that has mass and takes up space. • The substances presented after a chemical reaction. • The substances presented before the chemical reaction. • A scientist who used a fruit to the Law of Conservation of Mass. • A chemical equation with an equal amount of atoms on both sides. • ...

vocabulary chemistry crossword puzzle 2021-01-25

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

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

pharmaceutical chemistry 2024-09-02

pharmaceutical chemistry crossword puzzle
Across
  1. The study of the spatial arrangement of atoms in molecules.
  2. A foreign chemical substance not naturally found in an organism.
  3. A reagent of known concentration used in titration to determine the concentration of an analyte.
  4. The process of creating a compound by chemical reactions.
Down
  1. The study of chemical reactions that occur as a result of light absorption.
  2. The formation of a solid from a solution during a chemical reaction.
  3. Different crystal forms of the same compound
  4. A substance that speeds up a chemical reaction without being consumed.
  5. The study of the rates of chemical reactions.
  6. A molecule that binds specifically to a receptor site of another molecule.

10 Clues: Different crystal forms of the same compound • The study of the rates of chemical reactions. • The process of creating a compound by chemical reactions. • The study of the spatial arrangement of atoms in molecules. • A foreign chemical substance not naturally found in an organism. • The formation of a solid from a solution during a chemical reaction. • ...

Ecosystem processes 2018-02-16

Ecosystem processes crossword puzzle
Across
  1. Organism that makes its own food using photosynthesis.
  2. The process plants use to make their own food, glucose. In photosynthesis, carbon dioxide and water react together to make glucose and oxygen.
  3. The build up of toxic chemicals inside organisms in a food chain.
  4. Chemical containing minerals, normally applied to soil.
  5. Chemical reaction used by microorganisms to convert glucose into ethanol, carbon dioxide, and energy.
  6. Holes found on the bottom of the leaf that allow gases to diffuse in and out of the leaf.
  7. A particular place or role that an organism has in an ecosystem.
Down
  1. Chemical reaction where glucose reacts with oxygen to release energy, carbon dioxide, and water. __________ respiration.
  2. The number of plants or animals of the same type that live in the same area.
  3. The way in which living organisms depend on each other to survive, grow, and reproduce.
  4. Green pigment that absorbs light for use in photosynthesis.
  5. Organisms that eat other organisms as food.
  6. Chemical reaction that takes place without oxygen. Glucose is converted into lactic acid and energy is released. __________ respiration.

13 Clues: Organisms that eat other organisms as food. • Organism that makes its own food using photosynthesis. • Chemical containing minerals, normally applied to soil. • Green pigment that absorbs light for use in photosynthesis. • A particular place or role that an organism has in an ecosystem. • The build up of toxic chemicals inside organisms in a food chain. • ...

chemical reactions 2020-12-16

chemical reactions crossword puzzle
Across
  1. the species formed from chemical reactions.
  2. a character, usually a letter or number, that's printed slightly below and to the side of another character
  3. the composition or combination of parts or elements so as to form a whole.
  4. reaction in which one element is substituted for another element in a compound, generating a new element and a new compound as products.
  5. the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.
  6. occurs when pairs of electrons are shared by atoms.
Down
  1. a reaction in which a compound breaks down into two or more simpler substances.
  2. a number placed in front of a chemical symbol or formula.
  3. reaction occurs when parts of two ionic compounds are exchanged, making two new compounds.
  4. is equal to 6.02214179×1023 atoms, or other elementary units such as molecules.
  5. a substance that takes part in and undergoes change during a reaction.
  6. the complete transfer of valence electron(s) between atoms.

12 Clues: the species formed from chemical reactions. • occurs when pairs of electrons are shared by atoms. • a number placed in front of a chemical symbol or formula. • the complete transfer of valence electron(s) between atoms. • a substance that takes part in and undergoes change during a reaction. • ...

CROSSWORD PUZZLE-Types of reactions 2025-04-26

CROSSWORD PUZZLE-Types of reactions crossword puzzle
Across
  1. Any reaction that produces a precipitate
  2. The process in which fats and oils are oxidized so that they become rancid and as a result their taste and smell change.
  3. The process of gain of oxygen or loss of hydrogen
  4. The type of reaction in which two atoms or two different groups of atoms are mutually exchanged
  5. The type of decomposition reaction which is carried out by electric current
  6. The reaction in which heat is released along with formation of products
  7. The type of reaction in which a single substance decomposes to form two or more substances
Down
  1. The type of reaction in which one element displaces the other
  2. This takes place whenever a chemical change occurs
  3. The type of decomposition reaction which is carried out by light
  4. The reaction that requires energy in form of heat, light or electricity
  5. The type of reaction in which two or more substances combine together to form a single substance
  6. The type of reaction in which one substance gets oxidized while the other gets reduced
  7. The process in which the surface of a metal is attacked by substances around it such as moisture, acids, etc
  8. The type of decomposition reaction which is carried out by heating
  9. The process of loss of oxygen or gain of hydrogen

16 Clues: Any reaction that produces a precipitate • The process of gain of oxygen or loss of hydrogen • The process of loss of oxygen or gain of hydrogen • This takes place whenever a chemical change occurs • The type of reaction in which one element displaces the other • The type of decomposition reaction which is carried out by light • ...

Jhennah Fenner 2022-03-08

Jhennah Fenner crossword puzzle
Across
  1. an SI for the measure of a quantity
  2. mass of 1 mole of a substance
  3. is the quantitative relationship between the amount of reactants used and the amount of products formed
  4. is the amount of product that was ACTUALLY produced
  5. reactant that runs out first in a chemical reaction
  6. study of chemical reactions
Down
  1. reaction interaction between molecules that causes a chemical change
  2. is a ratio between the number of moles of any 2 substances in a chemical equation.
  3. a pure substance that is formed when two or more different elements combine
  4. is the MAXIMUM amount of a reactant produced

10 Clues: study of chemical reactions • mass of 1 mole of a substance • an SI for the measure of a quantity • is the MAXIMUM amount of a reactant produced • is the amount of product that was ACTUALLY produced • reactant that runs out first in a chemical reaction • reaction interaction between molecules that causes a chemical change • ...

Balancing Chemical Equations 2023-03-09

Balancing Chemical Equations crossword puzzle
Across
  1. what the arrow means in a chemical equation
  2. elements or compounds which exist prior to a chemical reaction
  3. a group of atoms bonded together
  4. basic unit of a chemical element
  5. when there is not the same amount of atoms on both sides of the equation
Down
  1. new substances that are created by rearranging of atoms after a chemical reaction
  2. a statement with 2 sides that have -> in the middle
  3. represents the # of molecules in a chemical equation
  4. these describe the # of atoms in a molecule
  5. same amount of atoms and molecules in both sides of the equation

10 Clues: a group of atoms bonded together • basic unit of a chemical element • what the arrow means in a chemical equation • these describe the # of atoms in a molecule • a statement with 2 sides that have -> in the middle • represents the # of molecules in a chemical equation • elements or compounds which exist prior to a chemical reaction • ...

crossword 2021-06-03

crossword crossword puzzle
Across
  1. The highest part of a transverse wave
  2. A short, easy way to show a chemical reaction, using symbols
  3. The principle stating that matter is not created or destroyed during a chemical reaction
  4. The average mass of all the isotopes of an element
  5. A form of potential energy that is stored in chemical bonds between atoms
  6. The temperature at which no more energy can be removed from matter
  7. A characteristic of a pure substance that describes its ability to change into a different substance
  8. A pure substance that cannot be broken down into other substances by chemical or physical means
  9. The rate at which velocity changes
  10. Electromagnetic waves with the shortest wavelengths and highest frequencies
  11. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
  12. The temperature at which a substance changes from liquid to gas
  13. A combination of symbols that represents the elements in a compound and their properties
  14. An atom or group of atoms that has become electrically charged
  15. The ratio of the mass of the substances to its volume
Down
  1. A change in which one or more substances combine or break apart to form new substances
  2. The number of protons in the nucleus of an atom
  3. The force that one surface exerts on another when the two surfaces rub against each other
  4. The force that pulls objects toward each other
  5. The maximum distance the particles of a medium move away from their rest positions as a wave passes through the medium
  6. The process in which substances undergo chemical changes that result in the formation of new substances
  7. A pure substance made of two or more elements chemically combined
  8. A negatively charged particle that is found outside the nucleus of an atom
  9. A push or pull exerted on an object
  10. The number of complete waves that pass a given point in a certain amount of time
  11. The basic particle from which all elements are made

26 Clues: The rate at which velocity changes • A push or pull exerted on an object • The highest part of a transverse wave • The force that pulls objects toward each other • The number of protons in the nucleus of an atom • The average mass of all the isotopes of an element • The basic particle from which all elements are made • ...

Unit 2 Review 2021-05-24

Unit 2 Review crossword puzzle
Across
  1. The central part of an atom where protons and neutrons are found
  2. Polymer made of monosaccharides
  3. Polymer made of nucleotides
  4. The part of a solution that gets dissolved
  5. Charged atoms, changed the number of electrons
  6. The part of a solution that does the dissolving
  7. Positively charged subatomic particle
  8. The substances that are used up in a chemical reaction
  9. Polymer made of amino acids
Down
  1. Polymer made of fatty acids
  2. Neutral subatomic particle
  3. Negatively charged subatomic particle
  4. Smallest unit of matter
  5. When a bunch of these are put together, they form a polymer
  6. The substances that are created in a chemical reaction
  7. Compounds that contain carbon
  8. Solutions above 7 on the pH scale
  9. Solutions below 7 on the pH scale

18 Clues: Smallest unit of matter • Neutral subatomic particle • Polymer made of fatty acids • Polymer made of nucleotides • Polymer made of amino acids • Compounds that contain carbon • Polymer made of monosaccharides • Solutions above 7 on the pH scale • Solutions below 7 on the pH scale • Negatively charged subatomic particle • Positively charged subatomic particle • ...

Carbon and its compounds 2015-03-13

Carbon and its compounds crossword puzzle
Across
  1. ________ are sweet smelling substances used in making perfumes and flavouring agents.
  2. the gas released due to the reaction between ethanoic acid and zinc.
  3. the compounds having same molecular formulae but different structural arrangements are called ___________.
  4. cyclic compounds containing at least one double bond are called _________.
  5. clusters of molecules formed around the dirt for cleaning action are called ________.
  6. Hydrogenation of vegetable oils is an example of __________ reaction.
  7. ____________ are the structural modifications of an element having different physical properties and same chemical properties.
  8. __________ compounds are open chains (both saturated and unsaturated) of carbons atoms.
  9. the branched chain of carbon are called ________.
  10. _________ are saturated open chain hydrocarbons.
Down
  1. _________ is a dilute solution of acetic acid is used as a preservative.
  2. tendency of an element to share its electrons with itself or other elements.\
  3. compounds made of carbon and hydrogen are called _______.
  4. in _________ reaction, one type of atom or a group of atoms displaces another atom or group of atoms.
  5. property of carbon responsible for formation of large molecules
  6. the substance which alters the chemical reaction is called _______.
  7. ________ compounds have only single covalent bonds between the atoms constituting it.

17 Clues: _________ are saturated open chain hydrocarbons. • the branched chain of carbon are called ________. • compounds made of carbon and hydrogen are called _______. • property of carbon responsible for formation of large molecules • the substance which alters the chemical reaction is called _______. • ...

Energetics Crossword 2015-02-26

Energetics Crossword crossword puzzle
Across
  1. a reaction that transfers energy to the surroundings.
  2. a reaction that takes in energy from the surroundings
  3. profiles diagrams of reaction profiles for an uncatalysed and catalysed reaction
Down
  1. The endothermic process in which water turns to steam
  2. the substance formed in a chemical reaction
  3. the exothermic process in which water is turned into a solid
  4. the unit we measure energy in
  5. substances present at the start of a chemical reaction

8 Clues: the unit we measure energy in • the substance formed in a chemical reaction • The endothermic process in which water turns to steam • a reaction that transfers energy to the surroundings. • a reaction that takes in energy from the surroundings • substances present at the start of a chemical reaction • the exothermic process in which water is turned into a solid • ...

Photosynthesis 2021-01-13

Photosynthesis crossword puzzle
Across
  1. location the Calvin cycle occurs
  2. energy energy stored and released from the bonds of molecules
  3. the low energy version of ATP
  4. the ability to do work
  5. molecules that selectively absorb and reflect wavelengths of light
  6. color wavelength reflected most by chlorophyll
  7. outer layer of the leaf
Down
  1. membrane location the light reaction occurs
  2. product of the Calvin cycle of photosynthesis
  3. the main pigment in plants
  4. energy energy that travels in waves
  5. the distance between the crests of a wave
  6. product of the light reaction of photosynthesis
  7. light radiant energy ranging from 400nm-750nm
  8. the chemical energy of cells

15 Clues: the ability to do work • outer layer of the leaf • the main pigment in plants • the chemical energy of cells • the low energy version of ATP • location the Calvin cycle occurs • energy energy that travels in waves • the distance between the crests of a wave • membrane location the light reaction occurs • product of the Calvin cycle of photosynthesis • ...

Anaerobic Respiration 2025-06-02

Anaerobic Respiration crossword puzzle
Across
  1. without oxygen
  2. the end product of glycolysis.
  3. how we break down glucose with enzymes
  4. CO2
  5. the single celled micro-organisms all around us
  6. what the first automobiles ran on
  7. a chemical reaction that involves the loss of electrons
  8. type of fungus used in baking
Down
  1. Coenzymes involved in cellular energy production
  2. the material within a cell, except for the nucleus and organelles
  3. a chemical reaction where a substance gains electrons and decreases its oxidation number.
  4. byproduct of energy production during intense exercise
  5. how we turn sugar into alcohol
  6. The main energy-carrying molecule in our body
  7. C6H12O6

15 Clues: CO2 • C6H12O6 • without oxygen • type of fungus used in baking • the end product of glycolysis. • how we turn sugar into alcohol • what the first automobiles ran on • how we break down glucose with enzymes • The main energy-carrying molecule in our body • the single celled micro-organisms all around us • Coenzymes involved in cellular energy production • ...

Unit 1 Puzzle 2021-09-07

Unit 1 Puzzle crossword puzzle
Across
  1. The quantity of matter which a body contains
  2. The process or result of oxidizing or being oxidized
  3. A property (as color, hardness, boiling point) of matter not involving in its manifestation a chemical change
  4. When a substance combines with another to form a new substance
  5. Physical substance in general
  6. The force exerted on the mass of a body by a gravitational field
  7. The amount of space that a substance or object occupies
  8. The basic unit of a chemical element
  9. Degree of consistency measured by the quantity of mass per unit volume
Down
  1. The product of the random distribution of one substance through another without any chemical reaction
  2. A group of atoms bonded together
  3. A special type of homogeneous mixture composed of two or more substances
  4. The impetus for which a chemical substance undergoes a chemical reaction, either by itself or with other materials
  5. A pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei
  6. A substance formed from two or more elements chemically united in fixed proportions

15 Clues: Physical substance in general • A group of atoms bonded together • The basic unit of a chemical element • The quantity of matter which a body contains • The process or result of oxidizing or being oxidized • The amount of space that a substance or object occupies • When a substance combines with another to form a new substance • ...

Chapter 7 Vocabulary 2022-10-10

Chapter 7 Vocabulary crossword puzzle
Across
  1. process in which organisms convert energy for their use in the absence of oxygen (three words)
  2. production of ATP from ADP using excess energy from a chemical reaction and a phosphate group (two words)
  3. another name for the Citric Acid Cycle (two words
  4. membrane-emdedded protein complex that adds a phosphate to ADP with energy from protons (two words)
  5. molecule bound to a protein that facilitate the function of the protein (two words)
  6. occurs in the absence of oxygen
  7. process that does not use oxygen
  8. chemical reaction that couples an oxidation and a reduction reaction (two words)
  9. another name for the Citric Acid Cycle (two words)
Down
  1. removal of a phosphate group from a molecule
  2. production of ATP in cellular metabolism by the involvement of a proton gradient across a membrane
  3. series of enzyme-catalyzed chemical reactions of great importance in living cells (three words)
  4. electron transporter in the electron transport chain that connects the 1st or 2nd complex to the 3rd
  5. addition of phosphate to a compound
  6. process in which organisms convert energy in the presence of oxygen (two words)
  7. the end product of glycolysis
  8. production of ATP using chemiosmosis and oxygen (two words)
  9. combination of an acetyl group derived from pyruvic acid and coenzyme A (two words)
  10. integral membrane protein that transports glucose (two words)

19 Clues: the end product of glycolysis • occurs in the absence of oxygen • process that does not use oxygen • addition of phosphate to a compound • removal of a phosphate group from a molecule • another name for the Citric Acid Cycle (two words • another name for the Citric Acid Cycle (two words) • production of ATP using chemiosmosis and oxygen (two words) • ...

spelling crossword 2024-10-15

spelling crossword crossword puzzle
Across
  1. the amount of space somethiing takes up
  2. change or fix their first draft, move ideas around
  3. ideas on paper
  4. able to be shaped or bent
  5. confirm the truth of
  6. thinking and discovering
  7. the quantity of matter something has
  8. a force that slows or resists motion
  9. a substance ability to carry an electrical current
Down
  1. takes part in chemical reaction
  2. the process of combining chemically with oxygen
  3. write or type a neat new copy and makes sure its correct
  4. basic particles of the chemical elements.
  5. to put forth or to put into use
  6. final copy, no mistakes, ready to share
  7. atoms that have a positive or negative reaction

16 Clues: ideas on paper • confirm the truth of • thinking and discovering • able to be shaped or bent • takes part in chemical reaction • to put forth or to put into use • the quantity of matter something has • a force that slows or resists motion • the amount of space somethiing takes up • final copy, no mistakes, ready to share • basic particles of the chemical elements. • ...

Chemical reactions 2023-01-23

Chemical reactions crossword puzzle
Across
  1. H2O is an example
  2. a diagram that makes something simpler
  3. atoms rearrange to form new substances
  4. the end of a chemical reaction
  5. you put this in dirt to make plants grow better
  6. acid is an example
  7. made of the same atoms of atom group
  8. 32 degrees F is the ____ of water
  9. molecules are made of this
  10. the size of things
Down
  1. a network of grouped atoms
  2. change the order of something
  3. 100 degrees C is the ____ of water
  4. the name H2O is an example
  5. a starting substance that is part of a chemical reaction
  6. the taste, smell,texture and color of something are all ____'s of a substance

16 Clues: H2O is an example • acid is an example • the size of things • a network of grouped atoms • the name H2O is an example • molecules are made of this • change the order of something • the end of a chemical reaction • 32 degrees F is the ____ of water • 100 degrees C is the ____ of water • made of the same atoms of atom group • a diagram that makes something simpler • ...

Chemists Have All The Solutions (Chemical Reaction Vocab) 2023-01-24

Chemists Have All The Solutions (Chemical Reaction Vocab) crossword puzzle
Across
  1. 1, 2, 3 --> 3, 2, 1
  2. able to cause damage
  3. 100 degrees Celcius for water
  4. not the one you weigh yourself on but a way of comparing
  5. example: H2O for water
  6. one example is a baking soda & vinegar volcano
  7. not the one in a magazine... a simpler version
  8. something that is made of the same types of molecules
  9. the temperature when a solid changes to liquid
  10. what is made during a chemical reaction
Down
  1. improves plant growth
  2. a group of atoms arranged in a certain way
  3. a part of a chemical reaction
  4. a large network of atoms
  5. a color, shape, size, or other observable feature
  6. everything is made from these

16 Clues: 1, 2, 3 --> 3, 2, 1 • able to cause damage • improves plant growth • example: H2O for water • a large network of atoms • a part of a chemical reaction • 100 degrees Celcius for water • everything is made from these • what is made during a chemical reaction • a group of atoms arranged in a certain way • one example is a baking soda & vinegar volcano • ...

Chemical Kinetics Crossword Puzzle 2022-07-21

Chemical Kinetics Crossword Puzzle crossword puzzle
Across
  1. Measurement which helps scientists understand the kinetics of a reaction
  2. Iron rusting
  3. Often determined by the concentration of some, all, or none of the reactants present, and determines which reaction order the reaction falls into.
  4. Catalysis Same physical state as the reactants
Down
  1. Product molecules break away
  2. Relationship between the concentrations of reactants and their various reaction rates
  3. Wood burning
  4. Material that can increase the rate of chemical reactions.
  5. Speed of a reaction
  6. theory Qualitative explanation for chemical reactions and their rates of occurrence.

10 Clues: Wood burning • Iron rusting • Speed of a reaction • Product molecules break away • Catalysis Same physical state as the reactants • Material that can increase the rate of chemical reactions. • Measurement which helps scientists understand the kinetics of a reaction • theory Qualitative explanation for chemical reactions and their rates of occurrence. • ...

Photosynthesis Terms 2025-11-11

Photosynthesis Terms crossword puzzle
Across
  1. Reactant of Photosynthesis, which is used during light independent reactions.
  2. energy molecule that transfers H Ions from one reaction to the next in a cycle.
  3. Energy that is absorbed from the sun
  4. Dependent Reaction Reaction that needs light energy
  5. Independent Rection Reaction that does NOT need light energy.
  6. Organisms that must consume other organisms for food/energy
  7. Energy molecule with 3 Phosphates, unused.
  8. Fluid filled area of the Chloroplast where Light independent reactions take place.
  9. Product of photosynthesis that is broken down during cellular respiration
Down
  1. Reactant of photosynthesis, the molecule gets split at the start of the light dependent reaction
  2. Reaction that plants use to create sugar from sunlight
  3. organelle where photosynthesis takes place
  4. Organisms that produce their own food/energy
  5. chemical that absorbs sunlight, reason why plants and leaves have green color.
  6. Stack of thylakoids, flattened discs
  7. Location of Light dependent reaction(Each flattened disc)
  8. Energy molecule with 2 connected Phosphates, used energy

17 Clues: Energy that is absorbed from the sun • Stack of thylakoids, flattened discs • organelle where photosynthesis takes place • Energy molecule with 3 Phosphates, unused. • Organisms that produce their own food/energy • Reaction that plants use to create sugar from sunlight • Dependent Reaction Reaction that needs light energy • ...

Chemistry 2019-02-20

Chemistry crossword puzzle
Across
  1. A non-homogenous mixture formed by immiscible liquids.
  2. The homogeneous mixture of a solute, which can be a solid or a liquid or a gas, dissolved in a solvent.
  3. A solid substance that has been separated from a liquid in a chemical process.
  4. A species formed by the chemical combination of two or more elements
  5. A substance used to cause a chemical reaction, especially in order to find out if another substance is present. Sometimes used as a synonym of reactant
  6. A liquid or gas that has been filtered.
  7. A substance that reacts with a base to form a salt and water only. Any chemical substance that can donate protons or accept electrons.
  8. A substance that reacts with an acid to form a salt and water only. Any chemical substance that can accept protons or donate electrons.
Down
  1. A substance, especially a liquid, that can dissolve another substance, usually the component of a solution present in the largest amount.
  2. A liquid from vapour in distillation.
  3. A substance dissolved in another substance, usually the component of a solution present in the lesser amount.
  4. A heterogeneous (or non-homogeneous) mixture formed by the combination of a solid (solute) and a liquid (solvent)
  5. A combination of two or more substances that mix together without any chemical reaction taking place. An example is air which consists of nitrogen, oxygen, argon, carbon dioxide, etc. They do not have a fixed composition and can usually be easily separated.
  6. A substance that makes a chemical reaction happen faster without being changed itself.

14 Clues: A liquid from vapour in distillation. • A liquid or gas that has been filtered. • A non-homogenous mixture formed by immiscible liquids. • A species formed by the chemical combination of two or more elements • A solid substance that has been separated from a liquid in a chemical process. • ...

Chapter 8 2014-01-14

Chapter 8 crossword puzzle
Across
  1. Adding two elements together
  2. An element reacts with oxygen producing heat
  3. In this equation an arrow seperates catalyst A substance that speeds up the rate of a reaction
  4. Single compound is broken down into two or more products
  5. Is a chemical equation that does not indicate the relative amounts
Down
  1. Indicates only those particles that actually take part in the reaction
  2. Involve an exchange of positive ions between two reacting compounds
  3. Lists metals in order of decreasing reactivty
  4. Are placed infront of the symbols for the respective parts
  5. One element replaces a second element in a compound
  6. Each side of the equation has the same number of atoms
  7. An equation that shows dissolved ionic compounds
  8. Predicting the formation of a________
  9. Ions that aren't directly involved in the reaction

14 Clues: Adding two elements together • Predicting the formation of a________ • An element reacts with oxygen producing heat • Lists metals in order of decreasing reactivty • An equation that shows dissolved ionic compounds • Ions that aren't directly involved in the reaction • One element replaces a second element in a compound • ...

S1 Living Earth Revision Crossword 2025-05-02

S1 Living Earth Revision Crossword crossword puzzle
Across
  1. The type of reaction where energy is absorbed
  2. The process by which plants convert sunlight into energy
  3. A substance made of two or more elements chemically bonded together
  4. The gas essential for combustion
  5. An element or compound at the start of a chemical reaction
  6. The place where photosynthesis occurs in plant cells
  7. The building blocks of all substances
  8. The basic unit of life
  9. The variety of different species in an ecosystem
Down
  1. A type of fuel formed from the remains of ancient plants and animals
  2. A reaction that releases energy, often producing heat and light
  3. A change that results in the formation of new substances
  4. The theory that explains how species change over time
  5. A group of cells that work together to perform a specific function

14 Clues: The basic unit of life • The gas essential for combustion • The building blocks of all substances • The type of reaction where energy is absorbed • The variety of different species in an ecosystem • The place where photosynthesis occurs in plant cells • The theory that explains how species change over time • The process by which plants convert sunlight into energy • ...

Yum 2025-07-18

Yum crossword puzzle
Across
  1. Anything that takes up space and has mass.
  2. Breaking down of rocks into smaller pieces.
  3. Rate at which energy is used.
  4. Rain mixed with harmful gases from pollution.
  5. Stored energy
  6. Energy of motion.
Down
  1. A force that holds molecules together.
  2. a substance that starts a chemical reaction.
  3. Ability to do work.
  4. Water that flows over land after rain.
  5. The loss of nutrients from soil by water.
  6. a substance that forms as a result of a chemical reaction.
  7. The process of releasing energy from food.
  8. Also known as the hydrologic cycle or hydrological cycle.
  9. Study of energy
  10. It is needed by all known forms of life.

16 Clues: Stored energy • Study of energy • Energy of motion. • Ability to do work. • Rate at which energy is used. • A force that holds molecules together. • Water that flows over land after rain. • It is needed by all known forms of life. • The loss of nutrients from soil by water. • Anything that takes up space and has mass. • The process of releasing energy from food. • ...

Michelle Cajigal. Oxidation 2022-01-18

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

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

Chemestry 2024-09-18

Chemestry crossword puzzle
Across
  1. A substance with a pH less than 7
  2. A state of matter with no fixed shape or volume
  3. An atom or molecule with charge
  4. A substance dissolved in a solvent
  5. What holds atoms together in molecules
  6. Chemist's unit for measuring particles
  7. Speeds up a reaction withoutbeing consumed
  8. A particle in the nucleus with no charge
  9. Electrons involved in bonding
Down
  1. To undergo a chemical change
  2. A potential source of danger or risk
  3. The substance in which a solute dissolves
  4. Product of acid-base neutralization
  5. A negatively charged subatomic particle
  6. The amount of product in a chemical reaction
  7. A substance with pH greater than 7
  8. An element that is a good conductor of electricity

17 Clues: To undergo a chemical change • Electrons involved in bonding • An atom or molecule with charge • A substance with a pH less than 7 • A substance dissolved in a solvent • A substance with pH greater than 7 • Product of acid-base neutralization • A potential source of danger or risk • What holds atoms together in molecules • Chemist's unit for measuring particles • ...

Photosynthesis 2021-10-20

Photosynthesis crossword puzzle
Across
  1. Fluid surrounding the grana
  2. Light energy is absorbed
  3. Absorbs energy for Photosynthesis.
  4. Reaction that transfers electron from one chemical to another
  5. High energy molecule.
Down
  1. Process by which plants make sugar.
  2. Synthesizing ATP from organic chemicals.
  3. Chemical Reaction that converts compounds into glucose.
  4. Low energy molecule.
  5. Contains the components for Photosynthesis

10 Clues: Low energy molecule. • High energy molecule. • Light energy is absorbed • Fluid surrounding the grana • Absorbs energy for Photosynthesis. • Process by which plants make sugar. • Synthesizing ATP from organic chemicals. • Contains the components for Photosynthesis • Chemical Reaction that converts compounds into glucose. • ...

Chemcial Reactions 2022-05-11

Chemcial Reactions crossword puzzle
Across
  1. The symbols which show a reaction between two ord more elements.
  2. A reaction involving taking in heat.
  3. A product from the reactents, Naturium and Chlorine.
  4. The two or more elements which created a reaction.
  5. A reversible reaction.
  6. A reaction involving releasing heat.
Down
  1. The substance created in a chemical reaction.
  2. A substance consisting of more than one element.
  3. Substances with new properties, by reaction with oxygen.
  4. The product a reaction between Magnesium and Oxygen.

10 Clues: A reversible reaction. • A reaction involving taking in heat. • A reaction involving releasing heat. • The substance created in a chemical reaction. • A substance consisting of more than one element. • The two or more elements which created a reaction. • A product from the reactents, Naturium and Chlorine. • The product a reaction between Magnesium and Oxygen. • ...

Chemistry Crossword Puzzle 2023-12-07

Chemistry Crossword Puzzle crossword puzzle
Across
  1. a change of materials into another, new materials with different properties and one or more than one new substances are formed
  2. more energy is absorbed when the bonds in the reactants are broken than is released when new bonds are formed in the products
  3. the smallest unit of matter that is composed of three sub-atomic particles: the proton, the neutron, and the electron
  4. a chemical reaction that releases energy by light or heat
  5. the attraction between two or more atoms that allows them to be able to form a stable chemical compound
  6. a pure substance which consists of identical atoms or molecules with only one core of an atom
Down
  1. the electrons in an atom's outermost electron shell
  2. a group of two or more atoms held together by attractive forces known as chemical bonds
  3. arranges the chemical elements into rows and columns
  4. tells us the number of atoms of each element in a compound

10 Clues: the electrons in an atom's outermost electron shell • arranges the chemical elements into rows and columns • a chemical reaction that releases energy by light or heat • tells us the number of atoms of each element in a compound • a group of two or more atoms held together by attractive forces known as chemical bonds • ...

Chemistry- Rate of Reaction 2013-04-28

Chemistry- Rate of Reaction crossword puzzle
Across
  1. Accompanied by the release of heat.
  2. A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form
Down
  1. the science that deals with the composition and properties of substances and various elementary forms of matter.
  2. An instance of one moving object or person striking violently against another.
  3. Accompanied by or requiring the absorption of heat.
  4. The minimum amount of energy required to initiate a reaction
  5. is the rate at which the reactants of a chemical reaction form the products.
  6. A substance that slows down or prevents a particular chemical reaction or other process.
  7. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

9 Clues: Accompanied by the release of heat. • Accompanied by or requiring the absorption of heat. • The minimum amount of energy required to initiate a reaction • is the rate at which the reactants of a chemical reaction form the products. • An instance of one moving object or person striking violently against another. • ...

Making Compounds 2024-10-06

Making Compounds crossword puzzle
Across
  1. A potential source of harm or danger, especially in a laboratory setting. Hazards could include chemicals that are toxic, corrosive, or flammable.
  2. A process where reactants are transformed into products, involving the breaking and forming of chemical bonds. Examples include combustion, oxidation, and neutralization.
  3. A solid that forms from a solution during a chemical reaction, often when two liquids react and form an insoluble substance.
  4. A solution of calcium hydroxide in water, used to test for carbon dioxide. When CO₂ is present, limewater turns cloudy due to the formation of calcium carbonate.
  5. The substances formed as a result of a chemical reaction. They are found on the right side of a chemical equation.
Down
  1. A way of describing a chemical reaction using words instead of chemical symbols. For example, "hydrogen + oxygen → water."
  2. The starting materials in a chemical reaction. Reactants are on the left side of a chemical equation and undergo changes to form products.
  3. A simplified representation used to explain complex chemical processes. It could be physical (like molecular ballandstick models) or conceptual (like diagrams showing reactions).
  4. A substance formed when two or more elements chemically bond together in fixed proportions. Water (H₂O) is an example of a compound made from hydrogen and oxygen.
  5. The likelihood that a hazard will actually cause harm. In a lab, risk is assessed based on both the hazard and the precautions in place.

10 Clues: The substances formed as a result of a chemical reaction. They are found on the right side of a chemical equation. • A way of describing a chemical reaction using words instead of chemical symbols. For example, "hydrogen + oxygen → water." • ...

chapter 13 2017-03-01

chapter 13 crossword puzzle
Across
  1. chemical that donates a hydrogen ion
  2. C4H12+O2>CO2+H2O
  3. states that matter is not created nor destroyed in a chemical reaction
  4. the chemical equation must be...
  5. Na+CaF2>Ca+NaF
  6. cannot be changed when balancing an equation
  7. no absorption of energy
Down
  1. when reactions can be reversed
  2. chemical that accepts a hydrogen ion
  3. AB+CD>AD+CB
  4. another name for base
  5. Al2S3>Al+S8
  6. the amount of energy required to pull two bonded atoms apart
  7. no release of energy
  8. NH3+HCl>NH4Cl

15 Clues: AB+CD>AD+CB • Al2S3>Al+S8 • NH3+HCl>NH4Cl • Na+CaF2>Ca+NaF • C4H12+O2>CO2+H2O • no release of energy • another name for base • no absorption of energy • when reactions can be reversed • the chemical equation must be... • chemical that donates a hydrogen ion • chemical that accepts a hydrogen ion • cannot be changed when balancing an equation • ...

Photosythesis 2022-11-22

Photosythesis crossword puzzle
Across
  1. A simple sugar that is an important energy source
  2. Movement of H+ ions in cell
  3. Which color is best absorbed by photosynthesis?
  4. An organism that cannot make its own food.
  5. Location in plant cell where photosynthesis occurs.
  6. In chloroplasts contains components for photosynthesis
  7. Carbon dioxide is taken in and sugar is made
Down
  1. water is taken in and oxygen gas is released
  2. A gas that plants take in.
  3. electromagnetic waves visible to the human eye
  4. All wavelengths of visible light
  5. This pigment absorbs sunlight.
  6. A gas that plants release during photosynthesis
  7. Inputs of a chemical reaction on the left.
  8. Three phosphate molecule that creates energy.
  9. Color not absorbed by plants
  10. Outputs of a chemical reaction on the right.
  11. An organism that can make its own food

18 Clues: A gas that plants take in. • Movement of H+ ions in cell • Color not absorbed by plants • This pigment absorbs sunlight. • All wavelengths of visible light • An organism that can make its own food • Inputs of a chemical reaction on the left. • An organism that cannot make its own food. • water is taken in and oxygen gas is released • ...

Chemistry Vocabulary 2022-02-18

Chemistry Vocabulary crossword puzzle
Across
  1. Electrons in the outermost shell of an atom
  2. The least reactive group on the periodic table
  3. An atom that has lost or gained one or more electrons
  4. The smallest part of an atom
  5. The results of a chemical reaction
  6. Substance used to cause a chemical reaction
  7. Elements that have the same atomic number but different number of neutrons
  8. The smallest unit of matter that forms an element
Down
  1. Where the protons and neutrons are found in a atom
  2. The most reactive group of metals on the periodic table
  3. The part of the atom with a positive charge
  4. A substance made of atoms that all have the same number of protons
  5. The base unit of amount of a substance as determined by the International System of Units
  6. A substance composed of two or more chemical elements
  7. The heaviest part of an atom
  8. The study of substances and their behaviors

16 Clues: The heaviest part of an atom • The smallest part of an atom • The results of a chemical reaction • The part of the atom with a positive charge • Electrons in the outermost shell of an atom • The study of substances and their behaviors • Substance used to cause a chemical reaction • The least reactive group on the periodic table • ...

redox reaction 2023-11-13

redox reaction crossword puzzle
Across
  1. a reaction involving both reduction and oxidation
  2. substance that reduce itself during redox reaction and oxidised during the reaction
  3. a chemical reaction that a substance react with oxygen
  4. hydrochloric acid
  5. a term used to describe oxidised organic material, involve in bad smell
  6. the name given to the reaction that take place when metal and alloys are chemically attacked by ocygen, water,, or anyother substance found in their immidiate environment
  7. element from the central region of periodic table
Down
  1. a reaction which a more active element displaces less reactive element from a solution of its salt
  2. a number given to show whether an element has oxidised or reduced
  3. the chemical reaction by which the biological cells release the energy stored in glucouse for use by cell on the body

10 Clues: hydrochloric acid • a reaction involving both reduction and oxidation • element from the central region of periodic table • a chemical reaction that a substance react with oxygen • a number given to show whether an element has oxidised or reduced • a term used to describe oxidised organic material, involve in bad smell • ...

Thomas Burd's chemistry vocab crossword puzzle 2024-08-14

Thomas Burd's chemistry vocab crossword puzzle crossword puzzle
Across
  1. takes up space by having volume
  2. property a characteristic of a substance due to a chemical reaction
  3. a solid material that tends to be shiny and malleable
  4. property a characteristic of something without changing
  5. something that undergoes change during a reaction
  6. a process that absorbs energy
  7. only 1 distinct phase
  8. no shape or volume but expands infinitely
  9. a state of matter that keeps its shape and density
Down
  1. process that releases energy into the surroundings
  2. lists the elements contained within it
  3. no definite shape
  4. something made from atoms
  5. 2 or more visibly distinct phases
  6. smallest unit of an element

15 Clues: no definite shape • only 1 distinct phase • something made from atoms • smallest unit of an element • a process that absorbs energy • takes up space by having volume • 2 or more visibly distinct phases • lists the elements contained within it • no shape or volume but expands infinitely • something that undergoes change during a reaction • ...

science 2024-07-12

science crossword puzzle
Across
  1. The green pigment in plants
  2. Chemical reaction that releases energy from glucose and oxygen
  3. ______ water, used to test for carbon dioxide
  4. Chemical reaction using light, glucose and carbon dioxide
  5. The smallest unit everything is made of
  6. the study of living organisms
  7. Head of Science
Down
  1. =distance/time
  2. The mat placed on the bench under the bunsen burner
  3. A glowing splint will relight in this gas
  4. _______ store of energy meaning moving
  5. The site of respiration
  6. The flame used to light a bunsen burner
  7. Cell _________, allows substances to move in and out of cells
  8. Number one piece of safety equipment

15 Clues: =distance/time • Head of Science • The site of respiration • The green pigment in plants • the study of living organisms • Number one piece of safety equipment • _______ store of energy meaning moving • The flame used to light a bunsen burner • The smallest unit everything is made of • A glowing splint will relight in this gas • ______ water, used to test for carbon dioxide • ...

Energy Vocab 2025-09-08

Energy Vocab crossword puzzle
Across
  1. a force between surfaces that slows or stops motion
  2. push and pull
  3. energy that comes from a chemical reaction
  4. movement from one object to another
  5. how fast an object's position changes
  6. an object in motion stays in motion
  7. energy can't be created or destroyed
Down
  1. when an object speeds up or changes direction
  2. a change in an object's position
  3. energy that comes from the motion of particles
  4. energy that comes from a nuclear reaction
  5. when two objects crash
  6. energy that is in motion
  7. energy that is not being used
  8. a force that pulls toward the center of the earth

15 Clues: push and pull • when two objects crash • energy that is in motion • energy that is not being used • a change in an object's position • movement from one object to another • an object in motion stays in motion • energy can't be created or destroyed • how fast an object's position changes • energy that comes from a nuclear reaction • energy that comes from a chemical reaction • ...

Chapter 13: Chemical Reactions by Nate Finfera P2 2019-10-07

Chapter 13: Chemical Reactions by Nate Finfera P2 crossword puzzle
Across
  1. during a chemical reaction, one or more new compounds are formed as a result of the arrangement of atoms
  2. gives off a net release of energy
  3. is also known as Activation Energy
  4. is a substance that lowers the activation energy of a chemical reaction
Down
  1. what three things affect the equilibrium
  2. when reaction and it's reverse act at the same rate
  3. a chemical that donates a hydrogen ion
  4. a chemical that accepts a hydrogen ion

8 Clues: gives off a net release of energy • is also known as Activation Energy • a chemical that donates a hydrogen ion • a chemical that accepts a hydrogen ion • what three things affect the equilibrium • when reaction and it's reverse act at the same rate • is a substance that lowers the activation energy of a chemical reaction • ...

Chemistry Crossword 2020-05-04

Chemistry Crossword crossword puzzle
Across
  1. NH4Cl ⇌ 2NO2.
  2. replacement of one reactor with another.
  3. eg Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g) .
  4. chemical reaction in which two soluble salts in aqueous solution combine and one of the products is an insoluble salt .
  5. quantitative reaction of an acid and a base.
  6. 'enzymes' are one of its types.
Down
  1. 2KClO3 —->[heat]2KCl+3o2.
  2. accompanied by loss of electrons.
  3. eg.NaOH+HCL.
  4. eg Cracking of alkanes.
  5. plants undergo this type of reaction.
  6. for example rusting of iron.
  7. dissociation +(q2-across).
  8. Oxygen and Hallogens are more likely to undergo this reaction.
  9. accompanied by the passage of an electric current.

15 Clues: eg.NaOH+HCL. • NH4Cl ⇌ 2NO2. • eg Cracking of alkanes. • 2KClO3 —->[heat]2KCl+3o2. • dissociation +(q2-across). • for example rusting of iron. • 'enzymes' are one of its types. • accompanied by loss of electrons. • plants undergo this type of reaction. • replacement of one reactor with another. • eg Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g) . • ...

Enzymes! 2023-12-21

Enzymes! crossword puzzle
Across
  1. Chemical reactions of metabolism are organized into ________
  2. enzymes end in what three letters?
  3. Enzymatic reaction that builds
  4. enzymes must fist perfectly with their...
Down
  1. Enzymes are involved in _______
  2. Speeds up chemical reactions
  3. breaks down sucrose
  4. Catalysts Enzymes are known as...
  5. Enzymatic reaction that breaks down
  6. what theory states enzymes and substrates fit perfectly?

10 Clues: breaks down sucrose • Speeds up chemical reactions • Enzymatic reaction that builds • Enzymes are involved in _______ • enzymes end in what three letters? • Catalysts Enzymes are known as... • Enzymatic reaction that breaks down • enzymes must fist perfectly with their... • what theory states enzymes and substrates fit perfectly? • ...

Chemical Reaction Crossword 2016-08-18

Chemical Reaction Crossword crossword puzzle
Across
  1. Gives off energy (gets hot)
  2. Good at dissolving metals
  3. Made famous by bases
  4. Slippery and bitter
Down
  1. Made famous by acids
  2. Absorbs energy (gets cold)
  3. Combines with oxygen gas to form water

7 Clues: Slippery and bitter • Made famous by acids • Made famous by bases • Good at dissolving metals • Absorbs energy (gets cold) • Gives off energy (gets hot) • Combines with oxygen gas to form water

Biology - Chapter 2 2022-08-22

Biology - Chapter 2 crossword puzzle
Across
  1. substance present before a chemical reaction and takes place in it
  2. the building block of matter; the smallest possible particle of an element
  3. attraction between two atoms as a result of sharing or transferring valence electrons
  4. a change in a substance that results in one or more new substances being formed that have different physical and chemical properties than the original substance
  5. process by which particles in solution are evenly distributed throughout the solvent by Brownian motion
  6. process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent
  7. substance that produces hydroxide ions or accepts hydrogen ions in solution
  8. class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things
  9. substance formed during a chemical reaction
  10. tendency of energy to disperse and become less available to do work
  11. a change in a substance that does not change the identify of the substance
  12. a measurement of the average speed of the particles within a substance
  13. organic compound comprised of the elements carbon, hydrogen, and oxygen
  14. naturally occurring catalyst, usually a protein
  15. the smallest particle of a covalently bonded compound
  16. class of organic compounds that serve as the building blocks of proteins
Down
  1. a pure substance made from two or more elements that are chemically combined
  2. attraction of particles in one substance for particles in a different substance
  3. substance that binds to an enzyme and reduces its activity
  4. attraction of like particles within polar substances
  5. substance that produces hydrogen ions in solution
  6. substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction
  7. a pure substance made of only kind of atom
  8. class of simple organic compounds important in living things as a source of energy and structure
  9. the ability to do work; the driver of the physical and chemical processes necessary for life
  10. having an uneven distribution of electrical charge
  11. a covalently bonded compound containing the element carbon
  12. the physical stuff that makes up the universe - anything that occupies space and has mass
  13. class of organic compounds that serve as the building blocks for the information storage molecules in DNA and RNA

29 Clues: a pure substance made of only kind of atom • substance formed during a chemical reaction • naturally occurring catalyst, usually a protein • substance that produces hydrogen ions in solution • having an uneven distribution of electrical charge • attraction of like particles within polar substances • the smallest particle of a covalently bonded compound • ...

Changes in Matter Vocabulary Crossword Charlee M. 2024-05-15

Changes in Matter Vocabulary Crossword Charlee M. crossword puzzle
Across
  1. the amount of matter in something
  2. the ability to move
  3. Has a nucleus, protons, and neutrons
  4. the form of energy transferred between substances with different temperatures
  5. chemical reactions that release energy
  6. chemical reactions that absorb energy
  7. the attraction of molecules to on another
  8. something that has volume and mass
  9. Some examples are dissolving, melting, & freezing
Down
  1. The smallest part of a substance
  2. A substance made from two or more different elements
  3. A substance that cannot be broken down
  4. A substance that is at the end of the reaction
  5. The starting materials in a reaction
  6. When a new substance is formed
  7. you can measure this with a thermometer
  8. the amount of space an object takes up
  9. an attraction between atoms

18 Clues: the ability to move • an attraction between atoms • When a new substance is formed • The smallest part of a substance • the amount of matter in something • something that has volume and mass • Has a nucleus, protons, and neutrons • The starting materials in a reaction • chemical reactions that absorb energy • A substance that cannot be broken down • ...

Brookelyn Williams Crossword 2024-05-15

Brookelyn Williams Crossword crossword puzzle
Across
  1. the amount of space occupied
  2. the amount of matter
  3. when one or more substances react
  4. a physical substance
  5. substances that are formed during a chemical change
  6. the ability to do work or cause change
  7. substance that increases the rate of chemica change
  8. a pure substance that is formed when two or more different elements combine
Down
  1. a piece of matter
  2. any substance that cannot be decomposed
  3. a group of atoms
  4. at different temps
  5. a measure of average kinetic energy of the atoms
  6. thermal energy transferred between two
  7. a combination of substances that can be physically separated from one another
  8. the ability of molecules of the sam substance to stick together
  9. a substance present before a chemical reaction occurs
  10. when different molecules are combined

18 Clues: a group of atoms • a piece of matter • at different temps • the amount of matter • a physical substance • the amount of space occupied • when one or more substances react • when different molecules are combined • thermal energy transferred between two • the ability to do work or cause change • any substance that cannot be decomposed • ...

Review of Chapter 1 2018-10-15

Review of Chapter 1 crossword puzzle
Across
  1. Anything that has a mass and volume
  2. The type of solution when the solvent is water
  3. Simplest form of matter
  4. Mixture that are not uniformed
  5. Substance which change to gas easily under a room temperature
  6. The amount of matter that an object contains
  7. Observations that require measurement
Down
  1. Combination of substance which each substance keep their own characteristic
  2. The characteristics and behavior of matter
  3. When chemical reaction absorb energy
  4. When chemical reaction releases energy
  5. Mixture that are uniformed
  6. Substance that contain only one type of matter
  7. Observations that doesn't require measurement
  8. The science that investigates and explains the structure and properties of matter

15 Clues: Simplest form of matter • Mixture that are uniformed • Mixture that are not uniformed • Anything that has a mass and volume • When chemical reaction absorb energy • Observations that require measurement • When chemical reaction releases energy • The characteristics and behavior of matter • The amount of matter that an object contains • ...

Science crossword 2025-06-14

Science crossword crossword puzzle
Across
  1. – Bending of light when it passes through media.
  2. – Upside-down image formed by mirrors or lenses.
  3. – Change in the size of an image.
  4. – Chemical reaction with oxygen releasing heat.
  5. – Spoiling of food due to oxidation.
  6. – Loss of oxygen or gain of electrons.
Down
  1. – Breakdown of food into simpler substances.
  2. – Gain of oxygen or loss of electrons.
  3. – Preparation of food using sunlight.
  4. – Bouncing back of light from a surface.
  5. – Loss of water from leaves.
  6. – Release of energy from glucose.
  7. – Main axis of a mirror or lens.
  8. – Substance that takes part in a chemical reaction.
  9. – Enzyme that breaks down starh

15 Clues: – Loss of water from leaves. • – Enzyme that breaks down starh • – Main axis of a mirror or lens. • – Release of energy from glucose. • – Change in the size of an image. • – Spoiling of food due to oxidation. • – Preparation of food using sunlight. • – Gain of oxygen or loss of electrons. • – Loss of oxygen or gain of electrons. • – Bouncing back of light from a surface. • ...

Environmental Science 2025-07-18

Environmental Science crossword puzzle
Across
  1. First law of thermodynamics emphasizes energy ___
  2. Matter with a fixed and definite composition
  3. Tiny units that make up all matter
  4. Reaction that breaks down molecules for energy
  5. Reaction that builds muscle, proteins, and nucleic acids
  6. Bitter-tasting substance with pH above 7
  7. Earth's water-based environments (rivers, oceans, lakes)
  8. Structured body of knowledge using testing and observation
  9. Energy needed to start a chemical reaction
  10. Flowing electrons generate this energy type
  11. Process where soluble substances are washed out from soil
  12. Scale measuring acidity or alkalinity (0–14)
  13. Electromagnetic energy visible to the human eye
  14. Stored energy depending on object’s position
  15. Field studying relationships between organisms and environment
Down
  1. Energy released when glucose breaks down in cells
  2. Organic compound carrying genetic instructions
  3. Physicist who inspired the “joule” unit
  4. Sugars and starches belong to this organic group
  5. Testable explanation in scientific inquiry
  6. Process in plants converting sunlight into glucose
  7. Force that links atoms in molecules
  8. Fundamental particle in chemical substances
  9. Cycle interrupted by deforestation; involves breathable gas
  10. Natural cycle moving carbon through Earth's systems
  11. Law promoting solid waste segregation in PH
  12. Zone of Earth where all life thrives
  13. Reaction occurring in cells for life processes
  14. Heat-related form of energy from molecular motion
  15. Work is done when force moves an object over a ___

30 Clues: Tiny units that make up all matter • Force that links atoms in molecules • Zone of Earth where all life thrives • Physicist who inspired the “joule” unit • Bitter-tasting substance with pH above 7 • Testable explanation in scientific inquiry • Energy needed to start a chemical reaction • Fundamental particle in chemical substances • ...

Physical Science Vocab Crossword Puzzle 2016-12-09

Physical Science Vocab Crossword Puzzle crossword puzzle
Across
  1. shows shared pair of elections as a dash
  2. can be observed without changing the substance
  3. a pair of electrons not being shared
  4. two or more atoms specifically arranged
  5. the substance after the change has occurred, written on the right side of the arrow
  6. when elements transfer electrons, they occur between a metal and a non-metal
  7. a diagram that shows the number of valance electrons as dots around the symbol
  8. a neutral subatomic particle
  9. of average kinetic energy of particles in a substance
  10. a positively charged particle
  11. A quality that is unknown but assumed to have a fixed value in a specified mathematical context.
  12. a chemical change that produces a new substance
  13. the law that the properties of the elements are periodic functions of their atomic numbers
  14. an idea or explanation that you then test through study and experimentation
  15. when one element and one compound form a new element and a new compound
  16. Different atoms of a chemical element in the periodic table all have the same number of protons, but may have a different number of neutrons in their nuclei.
  17. when one compound forms two or more elements
  18. an element that readily forms positive ions and has metallic bonds.
  19. when all atoms want eight valance electrons like the noble gasses
  20. when two atoms each share one bond
  21. the symbolic representation of a chemical reaction in the form of symbols and formulae, wherein the reactant entities are giving the left hand side and the product entities on the right hand side
  22. an ion with more than one atom, has a charge, and acts like a single unit
  23. bond when one atom gives both electrons that are shared between two atoms
  24. average mass of all atoms
  25. solid to liquid
  26. a negatively charged particle
  27. the solid formed from the mixing of two liquids
  28. a positively charged ion
  29. of energy from higher temp to lower temp
  30. any chemical element which has properties in between those of metals and non metals, or that has a mixture of them.
  31. when two elements share or transfer electrons making a new substance called a compound.
  32. The electrons in the outermost region of the electron cloud
  33. solid to gas
  34. identifies the element
  35. an element that doesn't have the characteristics of metal including: ability to conduct heat or electricity, luster, or flexibility
  36. two or more atoms/compounds physically combined
Down
  1. when the parts of the mixture blend evenly together and are no longer distinguishable
  2. a scientific test
  3. a number or symbol multiplied with a variable or an unknown quantity in an algebraic term. 4x The four is the coefficient.
  4. liquid to solid
  5. any of the seven horizontal rows that contain elements arranged in order of increasing atomic number.
  6. when two atoms each share three bonds.
  7. when something is true
  8. a change that does not affect the identity of the substance
  9. when elements share electrons, occurs between two non-metals
  10. particles within the atom; neutrons and electrons
  11. an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons.
  12. when two elements form a compound
  13. when two compounds from two new compounds
  14. Hydrocarbon and oxygen form water and carbon dioxide
  15. formed when electrons are shared between two atoms
  16. color, hardness, boiling point, etc, a property of matter not involving in its manifestation a chemical change.
  17. it absorbs energy usually in the form of heat
  18. the simplest form of that species
  19. or description of an object
  20. the variable that is changed or controlled in a scientific experiment.
  21. describes how a substance changes into a new substance
  22. when two atoms each share two bonds
  23. Liquid to gas
  24. has an equal number of atoms on both sides of the arrow
  25. the variable is the one that is manipulated or changed by the scientist.
  26. rounded atomic mass
  27. something that speeds up the reaction, but is not used up
  28. the location of protons and neutrons
  29. the energy stored in the bonds of a compound
  30. it releases energy usually in the form of heat
  31. a substance with the same ratio of atoms no matter the size of the substance
  32. smallest from of an element that consists of a nucleus, protons, neutrons, electrons, and orbitals
  33. the variable being tested in a scientific experiment, the one being measured
  34. a change that creates a new substance
  35. measure of the total kinetic energy of particles in a substance
  36. usually statistics, used as a constant and unchanging standard of comparison
  37. -mixture when the parts of the mixture do not blend together, they are easily distinguishable
  38. gas to liquid
  39. two or more atoms chemicals combined
  40. mass divided by volume, how compact an object is
  41. the substance before the chance, written on the left side of the arrow
  42. a wave of function describing the state of a single electron in an atom or in a molecule
  43. a negatively charged ion

79 Clues: solid to gas • Liquid to gas • gas to liquid • liquid to solid • solid to liquid • a scientific test • rounded atomic mass • when something is true • identifies the element • a positively charged ion • a negatively charged ion • average mass of all atoms • or description of an object • a neutral subatomic particle • a positively charged particle • a negatively charged particle • ...

PHYSICAL AND CHEMICAL CHANGES 2018-09-26

PHYSICAL AND CHEMICAL CHANGES crossword puzzle
Across
  1. REDDISH-BROWN SUBSTANCE WHEN IRON IS EXPOSED TO MOIST AIR
  2. ANOTHER NAME FOR CHEMICAL CHANGE
  3. WHEN A COMPOUND BREAKS UP INTO 2 OR MORE SUBSTANCES
  4. REACTIONS DURING WHICH HEAT IS RELEASED
  5. SUBSTANCE UNDERGOES CHANGE ONLY IN PHYSICAL PROPERTIES
  6. 2 CHEMICALS IN SOLUTION REACT AND AN INSOLUBLE SUBSTANCE IS FORMED
  7. PROCESS OF DEPOSITING A LAYER OF ZINC ON IRON
  8. BUBBLES IN A SODA CAN DUE TO THE PRESENCE OF CARBON-DIOXIDE
Down
  1. WHEN A COMPOUND IS FORMED FROM ITS ELEMENTS OR FROM SIMPLER SUBSTANCES
  2. REACTIONS IN WHICH HEAT IS ABSORBED
  3. ORIGINAL SUBSTANCES PARTICIPATING IN A CHEMICAL REACTION
  4. NEW SUBSTANCES FORMED DURING A CHEMICAL REACTION
  5. OCCURS WHEN 2 SUBSTANCES REACT CHEMICALLY TO FORM NEW SUBSTANCES

13 Clues: ANOTHER NAME FOR CHEMICAL CHANGE • REACTIONS IN WHICH HEAT IS ABSORBED • REACTIONS DURING WHICH HEAT IS RELEASED • PROCESS OF DEPOSITING A LAYER OF ZINC ON IRON • NEW SUBSTANCES FORMED DURING A CHEMICAL REACTION • WHEN A COMPOUND BREAKS UP INTO 2 OR MORE SUBSTANCES • SUBSTANCE UNDERGOES CHANGE ONLY IN PHYSICAL PROPERTIES • ...

The Chemistry of Life 2023-11-02

The Chemistry of Life crossword puzzle
Across
  1. Process that changes, or transforms, one set of chemicals into another set of chemicals
  2. Atom that has a positive or negative charge
  3. Macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
  4. Compound that produces hydroxide ions in solution; solution with a pH of more than 7
  5. Molecules composed of many monomers; makes up macromolecules
  6. scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution; a pH of 0 to 7 is acidic, a pH of 7 is neutral, and a pH of 7 to 14 is basic
  7. Chemical bond formed when one or more electrons are transferred from one atom to another
  8. The center of an atom, which contains the protons and neutrons
  9. Material composed of two or more elements or compounds that are physically mixed together but not chemically combined
  10. Substance that is dissolved in a solution
  11. Smallest unit of most compounds that displays all the properties of that compound
  12. Macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  13. dissolving substance in a solution
  14. Substance that speeds up the rate of a chemical reaction
  15. Force of attraction between different kinds of molecules
  16. Weak attraction between a hydrogen atom and another atom
  17. Negatively charged particle; located in the space surrounding the nucleus
  18. Compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  19. Sub-atomic particle that has no charge and is found in the nucleus of an atom
Down
  1. Reactant of an enzyme-catalyzed reaction
  2. Positively charged sub-atomic particle that is found in the nucleus of an atom
  3. One of several forms of a single element, which contains the same number of protons but different numbers of neutrons
  4. Energy that is needed to get a reaction started
  5. Attraction between molecules of the same substance
  6. Macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
  7. Elements or compounds produced by a chemical reaction
  8. Mixture of water and nondissolved material
  9. Type of bond between atoms in which the electrons are shared
  10. Type of mixture in which all the components are evenly distributed
  11. Small chemical unit that makes up a polymer
  12. Pure substance that consists entirely of one type of atom
  13. Compound that prevents sharp, sudden changes in pH
  14. Protein catalyst that speeds up the rate of specific biological reactions
  15. Substance formed by the chemical combination of two or more elements in definite proportions
  16. Elements or compounds that enter into a chemical reaction
  17. Compound that forms hydrogen ions in solution; a solution with a pH of less than 7
  18. The basic unit of matter

37 Clues: The basic unit of matter • dissolving substance in a solution • Reactant of an enzyme-catalyzed reaction • Substance that is dissolved in a solution • Mixture of water and nondissolved material • Atom that has a positive or negative charge • Small chemical unit that makes up a polymer • Energy that is needed to get a reaction started • ...

Chemical Kinetics Crossword Puzzle 2022-07-21

Chemical Kinetics Crossword Puzzle crossword puzzle
Across
  1. Product molecules break away
  2. Often determined by the concentration of some, all, or none of the reactants present, and determines which reaction order the reaction falls into.
  3. Material that can increase the rate of chemical reactions.
  4. Catalysis Same physical state as the reactants
  5. Iron rusting
Down
  1. Wood burning
  2. theory Qualitative explanation for chemical reactions and their rates of occurrence.
  3. Relationship between the concentrations of reactants and their various reaction rates
  4. Speed of a reaction
  5. Measurement which helps scientists understand the kinetics of a reaction

10 Clues: Wood burning • Iron rusting • Speed of a reaction • Product molecules break away • Catalysis Same physical state as the reactants • Material that can increase the rate of chemical reactions. • Measurement which helps scientists understand the kinetics of a reaction • theory Qualitative explanation for chemical reactions and their rates of occurrence. • ...

Chapter 6 2015-02-13

Chapter 6 crossword puzzle
Across
  1. The other way to overcome activation energy (the first is enzymes)
  2. Reactions that occur without input of additional energy
  3. Energy that is needed to start the reaction
  4. Law of thermodynamics that states that entropy of a system will always increase
  5. Delta G is positive
  6. Inorganic ion that temporarily binds to enzyme
  7. RNA molecules with catalytic properties
  8. Inhibition where the inhibitor binds directly to the active site
  9. Protein catalysts in living cells
  10. Total energy, what H stands for in the Gibb's Free Energy Equation
  11. Type of fit that says there can be conformational changes in the enzyme
  12. Reactants that bond to the active site
  13. Type of energy stored in molecular bonds
  14. A measure of the disorder that cannot be harnessed to do work
Down
  1. Type of energy associated with movement
  2. Type of energy due to structure or location
  3. Inhibition where the inhibitor binds to an allosteric site
  4. Ability to promote change or do work
  5. Site that is not the active site
  6. (2 words, no space) The location where reactions take place
  7. Organic molecule that participates in reaction, but is left unchanged afterward
  8. Law of thermodynamics that states that energy cannot be created nor destroyed
  9. Small molecules permanently attached to the enzyme
  10. Agent that speeds up the rate of a chemical reaction without being consumed during the reaction

24 Clues: Delta G is positive • Site that is not the active site • Protein catalysts in living cells • Ability to promote change or do work • Reactants that bond to the active site • Type of energy associated with movement • RNA molecules with catalytic properties • Type of energy stored in molecular bonds • Type of energy due to structure or location • ...

Reaction types 2021-03-25

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

20 Clues: This free radical is most stable. • These are electron loving species. • another name for no-bond resonance effect. • Negatively charged carbon is in sp3 state. • Example of group exhibiting plus R effect. • This carbon has maximum plus inductive effect. • covalent compounds that exhibit inductive effect. • This effect involves displacement of sigma electrons. • ...

Shaila 2.1 vocab 2021-10-26

Shaila 2.1 vocab crossword puzzle
Across
  1. chemical reaction
  2. substances present before a chemical reaction
Down
  1. gives off heat energy
  2. chemical composition
  3. chemical change
  4. the substances are formed during a chemical
  5. mass and takes up some amount of space

7 Clues: chemical change • chemical reaction • chemical composition • gives off heat energy • mass and takes up some amount of space • the substances are formed during a chemical • substances present before a chemical reaction

7 - Cellular Respiration - MBYL 2016-06-21

7 - Cellular Respiration - MBYL crossword puzzle
Across
  1. process that does not use oxygen
  2. production of ATP from ADP using the excess energy from a chemical reaction and a phosphate group from a reactant
  3. combination of an acetyl group derived from pyruvic acid and coenzyme A, which is made from pantothenic acid
  4. process in which there is a production of adenosine
  5. process of breaking glucose into two three-carbon molecules with the production of ATP and NADH
Down
  1. membrane-embedded protein complex that adds a phosphate to ADP with energy from protons diffusing through it
  2. process in which organisms convert energy in the presence of oxygen
  3. production of ATP using the process of chemiosmosis
  4. chemical reaction that consists of the coupling of an oxidation reaction and a reduction reaction
  5. series of enzyme-catalyzed chemical reactions of central importance in all living cells
  6. process of regenerating NAD+ with either an inorganic or organic compound serving as the final electron acceptor, occurs in the absence of oxygen

11 Clues: process that does not use oxygen • production of ATP using the process of chemiosmosis • process in which there is a production of adenosine • process in which organisms convert energy in the presence of oxygen • series of enzyme-catalyzed chemical reactions of central importance in all living cells • ...

Chemical Equations 2020-02-07

Chemical Equations crossword puzzle
Across
  1. when the number of reaction atoms equals the number of product atoms
  2. change during a chemical reaction;found on the left side of a chemical equation
  3. uses chemical formulas and other symbols to summarize a chemical reaction
  4. the substances that are produced during a chemical reaction; found on the right side of a chemical equation
Down
  1. states that in a chemical reaction the total mass of the reactants must equal the total mass of the products
  2. a number placed in the front of a chemical formula; it tells you how many molecules there are of the substance that follows it
  3. the number below the line that tell the number of atoms inside a molecule, cannot be changed

7 Clues: when the number of reaction atoms equals the number of product atoms • uses chemical formulas and other symbols to summarize a chemical reaction • change during a chemical reaction;found on the left side of a chemical equation • the number below the line that tell the number of atoms inside a molecule, cannot be changed • ...

Chemicals in daily life and chemical reactions 2024-09-13

Chemicals in daily life and chemical reactions crossword puzzle
Across
  1. The connection between atoms in a molecule.
  2. A radioactive gas that occurs naturally in the environment.
  3. A simple hydrocarbon found in natural gas.
  4. Atoms of the same element with different numbers of neutrons.
  5. Sour substances
  6. A gas used in lighters and portable stoves.
  7. Units to measure radiation dose.
  8. A solution with a pH of 7, such as pure water.
  9. A type of radiation with high energy and no mass.
  10. Used as a fuel for cooking and heating.
  11. A substance used to bond surfaces together, like glue.
  12. Hydrocarbon compounds in which carbon atoms are connected in a ring.
  13. The gain of electrons in a chemical reaction.
  14. A solution that resists changes in pH when small amounts of acid or base are added.
  15. The most important sources of hydrocarbon compounds
  16. Polymers made entirely from the same type of monomer.
  17. The electrode where reduction occurs in an electrochemical cell.
  18. A group of atoms bonded together.
  19. The basic unit of matter.
  20. A compound derived from an acid and an alcohol.
  21. A reaction that releases heat to the surroundings.
  22. Astringent substances
  23. A simple alkane with two carbon atoms.
  24. A reaction where substances combine to form a new product.
Down
  1. A solid formed from a solution during a chemical reaction.
  2. A substance that dissolves a solute to form a solution.
  3. Large molecular compounds made up of monomers
  4. A polymer used in paints and glass substitutes.
  5. A white powder used in baking and cleaning.
  6. Used for cleaning clothes.
  7. A common kitchen acid used in cooking and cleaning.
  8. Its chemical name is sodium chloride.
  9. Loss of electrons within an atom to another molecule
  10. The time it takes for half of a radioactive substance to decay.
  11. It is a saturated hydrocarbon compound.
  12. The electrode where oxidation occurs in a chemical cell.
  13. A small molecule that can bond with others to form a polymer.
  14. Chemical reactions that involve oxidation and reduction
  15. Paper used to test pH values
  16. A substance that gains electrons and gets reduced.
  17. A common plastic used in packaging and bottles.
  18. A polymer used as a non-stick coating for cookware.

42 Clues: Sour substances • Astringent substances • The basic unit of matter. • Used for cleaning clothes. • Paper used to test pH values • Units to measure radiation dose. • A group of atoms bonded together. • Its chemical name is sodium chloride. • A simple alkane with two carbon atoms. • Used as a fuel for cooking and heating. • It is a saturated hydrocarbon compound. • ...

Chemistry Review 2017-09-27

Chemistry Review crossword puzzle
Across
  1. involving substances in different phases
  2. a reaction accompanied by the release of heat
  3. unit of work or energy
  4. measuring the amount of heat
  5. chemically inactive
  6. physical substance in general
  7. do not depend on the amount of the substance
  8. do change the chemical nature of matter.
  9. the degree or intensity of heat present in a substance
Down
  1. a reaction requiring the absorption of heat
  2. do not depend on the amount of the substance
  3. composed of two or more substances
  4. composed of two or more separate elements
  5. chemical composition or identity of the substance is changed
  6. substances that are made of only one type of atom
  7. form of energy that flows between two samples of matter
  8. substances that cannot be chemically interconverted
  9. heat required to raise the temperature
  10. mixtures which are in a single phase
  11. substances that are made of only one type of atom

20 Clues: chemically inactive • unit of work or energy • measuring the amount of heat • physical substance in general • composed of two or more substances • mixtures which are in a single phase • heat required to raise the temperature • involving substances in different phases • do change the chemical nature of matter. • composed of two or more separate elements • ...

6&7 vocab puzzle 2018-04-26

6&7 vocab puzzle crossword puzzle
Across
  1. mass of a given substance divided by the amount of substance
  2. antonym to soluble
  3. change of materials into other, new materials with different properties
  4. units in one mole of any substance
  5. opposite of dividing
  6. a substance that undergoes a chemical change during a reaction
  7. result of a chemical reaction
  8. scientific unit for measuring large quantities of very small entities
  9. synonym to preservation
Down
  1. synonym to burning
  2. percent by mass of each element present in a compound
  3. deposited in solid form from a solution.
  4. synonym to fizz
  5. opposite of composition
  6. sum of all atoms in a substance
  7. a compound of hydrogen and carbon
  8. of or containing water, typically as a solvent or medium.
  9. a multiplier or factor that measures some property

18 Clues: synonym to fizz • synonym to burning • antonym to soluble • opposite of dividing • opposite of composition • synonym to preservation • result of a chemical reaction • sum of all atoms in a substance • a compound of hydrogen and carbon • units in one mole of any substance • deposited in solid form from a solution. • a multiplier or factor that measures some property • ...

Mitchell Miller's Chemistary Crossword 2014-11-17

Mitchell Miller's Chemistary Crossword crossword puzzle
Across
  1. What charge do electorns have
  2. What do you use to slow down the rate of fruit rotting
  3. What element has the atomic weight of 1.00794
  4. Rusting is slower in______.
  5. what is the collective name of the things that make up an atom
  6. How many electrons can fit in the first shell
  7. What chage does the neutron have
Down
  1. Where is the proton located
  2. What is the charge of the nucleus
  3. Are the electrons on certern places
  4. What is the color of active rust
  5. Burning _____ are a chemical reaction
  6. Are the electrons shells
  7. Fire is a ______ reaction
  8. What is the atomic number of boron

15 Clues: Are the electrons shells • Fire is a ______ reaction • Where is the proton located • Rusting is slower in______. • What charge do electorns have • What is the color of active rust • What chage does the neutron have • What is the charge of the nucleus • What is the atomic number of boron • Are the electrons on certern places • Burning _____ are a chemical reaction • ...

MEE Vocabulary Quiz 2024-05-29

MEE Vocabulary Quiz crossword puzzle
Across
  1. - the chemical reaction between oxygen and glucose that releases energy into cells and gives off carbon dioxide and water
  2. - an ending substance that is made during a chemical reaction
  3. - a type of atom that makes up molecules such as carbon dioxide and energy storage molecules
  4. - matter that makes up the nonliving parts of an ecosystem, such as air, water, and rocks
  5. - the part of a cell where photosynthesis happens
  6. - a starting substance that is part of a chemical reaction
  7. - all the living and nonliving things interacting in a particular area
  8. - an organism that can make its own energy storage molecules
  9. - an organism that needs to eat in order to get energy storage molecules
Down
  1. - the part of the cell where respiration happens (the powerhouse of the cell)
  2. - matter that makes up the living and dead organisms in a ecosystem
  3. - a molecule made of carbon and oxygen atoms
  4. - the process by which plants and other producers use energy from sunlight to change carbon dioxide and water into oxygen and glucose
  5. - the ability to make things move or change
  6. - living things, such as plants, animals, and bacteria
  7. storage molecule - a molecule that organisms can use to release the energy they need to survive
  8. - an organism that gets energy storage molecules by breaking down dead matter

17 Clues: - the ability to make things move or change • - a molecule made of carbon and oxygen atoms • - the part of a cell where photosynthesis happens • - living things, such as plants, animals, and bacteria • - a starting substance that is part of a chemical reaction • - an organism that can make its own energy storage molecules • ...

Matter Crossword Puzzle 2023-09-14

Matter Crossword Puzzle crossword puzzle
Across
  1. to become part of a liquid
  2. a combination of two or more substances that keep their properties despite being mixed together
  3. a process in which one or more substances are converted into one or more different substances
  4. a part of a mixture, solution, compound, process, or system
  5. a substance that is combined with another in a chemical reaction
  6. a substance with unique properties formed when two or more substances have undergone a chemical reaction
  7. a change in which the form of an object changes without changing what the object's material is
  8. to break down living matter back to its most basic particles in the soil
Down
  1. limited
  2. a mixture in which one or more substances are dissolved in a liquid
  3. the idea that neither matter nor energy can be made or destroyed; it can only be changed
  4. a pure substance made from a single kind of particle that cannot be separated into simpler substances
  5. a change in which one or more substances are changed into one or more different substances
  6. the result of a chemical reaction
  7. to change something from one thing into another
  8. the link between elements in a particle combination

16 Clues: limited • to become part of a liquid • the result of a chemical reaction • to change something from one thing into another • the link between elements in a particle combination • a part of a mixture, solution, compound, process, or system • a substance that is combined with another in a chemical reaction • ...

Science 2020-11-13

Science crossword puzzle
Across
  1. bonded / type of chemical bond in which two electron pairs are shared between two atoms
  2. table / a table of the chemical elements arranged in order of atomic number
  3. / a pure substance which cannot be broken down by chemical means
  4. / the product of the random distribution of one substance through another without any chemical reaction,
  5. / a subatomic particle of about the same mass as a proton but without an electric charge
  6. / the basic unit of a chemical element.
Down
  1. bond / a connection between two surfaces or objects that have been joined together by a chemical reaction
  2. / 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.
  3. / a group of atoms bonded together
  4. / a substance formed from two or more elements chemically united in fixed proportions.
  5. / type of chemical bond in which two electron pairs are shared between two atoms

11 Clues: / a group of atoms bonded together • / the basic unit of a chemical element. • / a pure substance which cannot be broken down by chemical means • table / a table of the chemical elements arranged in order of atomic number • / type of chemical bond in which two electron pairs are shared between two atoms • ...

Chemistry Vocabulary 2022-02-18

Chemistry Vocabulary crossword puzzle
Across
  1. Electrons in the outermost shell of an atom
  2. Elements that have the same atomic number but different number of neutrons
  3. The heaviest part of an atom
  4. The base unit of amount of a substance as determined by the International System of Units
  5. The least reactive group on the periodic table
  6. The part of the atom with a positive charge
  7. Where the protons and neutrons are found in a atom
Down
  1. The study of substances and their behaviors
  2. The smallest part of an atom
  3. An atom that has lost or gained one or more electrons
  4. Substance used to cause a chemical reaction
  5. The smallest unit of matter that forms an element
  6. A substance made of atoms that all have the same number of protons
  7. The most reactive group of metals on the periodic table
  8. A substance composed of two or more chemical elements
  9. The results of a chemical reaction

16 Clues: The smallest part of an atom • The heaviest part of an atom • The results of a chemical reaction • The study of substances and their behaviors • Electrons in the outermost shell of an atom • Substance used to cause a chemical reaction • The part of the atom with a positive charge • The least reactive group on the periodic table • ...

chemical reactions 2021-11-08

chemical reactions crossword puzzle
Across
  1. expression of a chemical reaction or mathematical equation using words rather than letters
  2. in which the conversion of reactants to products
  3. process of transforming a dissolved substance into an insoluble solid from a super-saturated solution
  4. formed from chemical reactions.
Down
  1. chemical formulas of the reactants (on the left) and the products
  2. process with an increase in the enthalpy H of the system.
  3. substance that takes part in and undergoes change during a reaction.
  4. numbers or terms used to balance chemical equations
  5. term exothermic process describes a process or reaction that releases energy from the system to its surroundings
  6. a measure of the quantity of moles

10 Clues: formed from chemical reactions. • a measure of the quantity of moles • in which the conversion of reactants to products • numbers or terms used to balance chemical equations • process with an increase in the enthalpy H of the system. • chemical formulas of the reactants (on the left) and the products • ...

Chemisrty Vocabulary 2018-05-31

Chemisrty Vocabulary crossword puzzle
Across
  1. radius chemical element is a measure of the size of its atoms
  2. quantities of substances taking part in a reaction or forming a compound
  3. a chemical substance that neutralizes alkalis, dissolves some metals, and turns litmus red
  4. a set of chemical symbols showing the elements present in a compound and their relative proportions
  5. is the percentage by mass of each element in a compound
  6. a chemical solution containing the maximum concentration of a solute dissolved in the solvent
  7. an idea used to account for a situation or justify a course of action
Down
  1. measure of an atom's ion in a crystal lattice
  2. one substance to the moles of another substance in a balanced equation
  3. mass of substance containing the same number of fundamental units
  4. reaction where two or more elements or compounds combine to form a single compound
  5. electrons located at the outermost shell of an atom
  6. the property of a solid, liquid or gaseous chemical substance called solute
  7. substance composed of exactly two different elements, which are substances that cannot be simplified further by chemical means
  8. formed from the attraction between mobile electrons and fixed, positively charged metallic atoms
  9. he experimental value is your calculated value, and the theoretical value is your known value.

16 Clues: measure of an atom's ion in a crystal lattice • electrons located at the outermost shell of an atom • is the percentage by mass of each element in a compound • radius chemical element is a measure of the size of its atoms • mass of substance containing the same number of fundamental units • an idea used to account for a situation or justify a course of action • ...

Chemical Puzzle 2023-04-14

Chemical Puzzle crossword puzzle
Across
  1. cloud outer layers of atoms
  2. center of the atoms
  3. solid made from 2 liquids
  4. dangerous substance to your health
  5. ability to burn or ignite
Down
  1. two or more atoms bonded together
  2. make up all the matter in the universe
  3. ability to react with other elements
  4. light or heat
  5. substances you end with after the chemical reaction
  6. substances you start with before the chemical reaction

11 Clues: light or heat • center of the atoms • solid made from 2 liquids • ability to burn or ignite • cloud outer layers of atoms • two or more atoms bonded together • dangerous substance to your health • ability to react with other elements • make up all the matter in the universe • substances you end with after the chemical reaction • ...

Interactive Enzymes Crossword by Joseph Brisco 2022-04-02

Interactive Enzymes Crossword by Joseph Brisco crossword puzzle
Across
  1. Enzymes speed up __________reactions by lowering the activation energy that is required.
  2. Enzyme ____________ is when all enzymes have their active sites filled with substrates (impact of contraction).
  3. Most ____________ enzymes are around the pH of 6-8 (impact of pH)
  4. The biological catalyst who ______________ the amount of activation energy that is required for a reaction.
  5. ______________temperatures cause hydrogen bonds to break apart (impact of temperature).
  6. Enzymes’ structure loses shape and __________to function (impact of temperature).
  7. Rate of reaction decrease at high temperature as _______________ occurs(impact of temperature).
  8. Enzymes are also_____________; however they are sensitive to changes in temperature and pH.
Down
  1. Enzymes as biological catalyst is a way the cell can ___________ energy.
  2. Enzymes works like _______ and keys.
  3. Enzymes act as a ________________ catalyst since it is used in living organisms to speed up chemical reactions.
  4. Enzymes are a type of ________________.
  5. pH out of __________ range, causes the enzyme to denature (impact of pH).
  6. As substrate concentration increase, the rate of enzyme ___________ increase to a certain level, which is the point of saturation (impact of contraction).
  7. What is the substance produced by a living organism which acts as a catalyst to bring a specific biochemical reaction?
  8. Enzyme concentration is the increasing enzymes will increase the ___________ of the reaction if there are substrates to bind to (impact of contraction).

16 Clues: Enzymes works like _______ and keys. • Enzymes are a type of ________________. • Most ____________ enzymes are around the pH of 6-8 (impact of pH) • Enzymes as biological catalyst is a way the cell can ___________ energy. • pH out of __________ range, causes the enzyme to denature (impact of pH). • ...

HS Physical Science 2025-11-21

HS Physical Science crossword puzzle
Across
  1. anything that has mass and takes up space
  2. a particle in the nucleus with no charge
  3. life, the time it takes for half of a radioactive sample to decay
  4. an atom that has gained or lost electrons
  5. a state of matter with definite shape and volume
  6. the dense center of the atom
  7. a high-energy state of matter with charged particles
  8. a reaction between fuel and oxygen that produces heat
  9. replacement, a reaction where two compounds exchange ions
  10. a substance present at the start of a reaction
Down
  1. the smallest unit of an element
  2. a state of matter with no definite shape or volume
  3. a negatively charged particle outside the nucleus
  4. a positively charged particle in the nucleus
  5. decay, when an unstable nucleus breaks down
  6. a reaction where a compound breaks into simpler substances
  7. atoms of the same element with different numbers of neutrons
  8. a state of matter with definite volume but no definite shape
  9. a substance made in a chemical reaction

19 Clues: the dense center of the atom • the smallest unit of an element • a substance made in a chemical reaction • a particle in the nucleus with no charge • anything that has mass and takes up space • an atom that has gained or lost electrons • decay, when an unstable nucleus breaks down • a positively charged particle in the nucleus • ...

Bio Chapter 9 Crossword puzzle 2023-01-02

Bio Chapter 9 Crossword puzzle crossword puzzle
Across
  1. converts light energy to chemical energy
  2. energy stored in chemical compounds
  3. light absorbing compounds
  4. adenosine triphosphate
  5. a process that occurs in organisms when they are exposed to sunlight
  6. breaks down organic material into simpler form
  7. stack of thylakoids
  8. nicotinamide adenine dinucleotide phosphate
  9. meat eater
  10. maximizes the absorption of light E; absorbs BIV or ROY
  11. reaction that takes place in the stroma
Down
  1. sacs of photosynthetic pigment
  2. adenosine diphosphate
  3. plant eater
  4. captures light E and converts it to chemical E
  5. eats dead organisms
  6. hybrid eater
  7. speed of lights travel

18 Clues: meat eater • plant eater • hybrid eater • eats dead organisms • stack of thylakoids • adenosine diphosphate • adenosine triphosphate • speed of lights travel • light absorbing compounds • sacs of photosynthetic pigment • energy stored in chemical compounds • reaction that takes place in the stroma • converts light energy to chemical energy • nicotinamide adenine dinucleotide phosphate • ...

SDS - Safety Data Sheet 2021-11-18

SDS - Safety Data Sheet crossword puzzle
Across
  1. Cancer Causing
  2. Unlikely to undergo a chemical reaction
  3. Permissible Exposure Limit
  4. How many Pictograms are there
  5. What does the second S stand for in SDS
  6. Acids are considered
  7. How chemicals get through skin
  8. Name one signal word on Chemical Labels
  9. Threshold Limit Value
  10. Physical Hazard
Down
  1. Symptom of Exposure
  2. Route of Respiratory entry
  3. Eye protection when dealing with chemicals
  4. Personal Protective Equipment
  5. How many sections in an SDS
  6. Name the second signal word on Chemical labels
  7. What does the S stand for in SDS
  8. What does the D stand for in SDS

18 Clues: Cancer Causing • Physical Hazard • Symptom of Exposure • Acids are considered • Threshold Limit Value • Route of Respiratory entry • Permissible Exposure Limit • How many sections in an SDS • Personal Protective Equipment • How many Pictograms are there • How chemicals get through skin • What does the S stand for in SDS • What does the D stand for in SDS • ...

BIOCHEMISTRY 2022-12-15

BIOCHEMISTRY crossword puzzle
Across
  1. measure acidity
  2. gives off hydrogen ions in water
  3. the attraction between different molecules
  4. liquid that is able to dissolve a solid
  5. a chemical element
  6. homogenous mixture of one or more solutes dissolved in a solvent
  7. atoms that gain or lose electrons
  8. substance on which an enzyme can act
  9. atoms that have a given number of protons
  10. a mixture of two elements
  11. can neutralize an acid
Down
  1. into a solution by a solvent
  2. large complex molecules
  3. substances that go into a chemical reaction
  4. a molecule that make chemical reactions on its own
  5. substances composed of very large molecules
  6. the attraction between the same molecules
  7. a particle with negative charge
  8. the smallest particle of a chemical property
  9. act as biological catalysts

20 Clues: measure acidity • a chemical element • can neutralize an acid • large complex molecules • a mixture of two elements • act as biological catalysts • into a solution by a solvent • a particle with negative charge • gives off hydrogen ions in water • atoms that gain or lose electrons • substance on which an enzyme can act • liquid that is able to dissolve a solid • ...

Chemical Reactions Crossword Puzzle 2024-01-09

Chemical Reactions Crossword Puzzle crossword puzzle
Across
  1. relative size of things
  2. ending substance during a chemical reaction
  3. substance that is added to soil
  4. starting substance of a chemical reaction
  5. group of atoms joined together
Down
  1. object, diagram, computer program
  2. made of all the same atoms or groups of atoms
  3. observations and measurement of a substance
  4. tiny pieces that all matter is made of
  5. change the order of something
  6. able to cause damage

11 Clues: able to cause damage • relative size of things • change the order of something • group of atoms joined together • substance that is added to soil • object, diagram, computer program • tiny pieces that all matter is made of • starting substance of a chemical reaction • observations and measurement of a substance • ending substance during a chemical reaction • ...

Chemical Reaction Crossword 2016-08-18

Chemical Reaction Crossword crossword puzzle
Across
  1. Good at dissolving metals
  2. Absorbs energy (gets cold)
  3. Made famous by acids
Down
  1. Combines with oxygen gas to form water
  2. Gives off energy (gets hot)
  3. Made famous by bases
  4. Slippery and bitter

7 Clues: Slippery and bitter • Made famous by bases • Made famous by acids • Good at dissolving metals • Absorbs energy (gets cold) • Gives off energy (gets hot) • Combines with oxygen gas to form water

science 2022-05-24

science crossword puzzle
Across
  1. combined and visible change.
  2. a substance that cannot be decomposed into simpler substances.
  3. are the characteristic of a substance that may occur when it participates in a chemical reaction.
  4. composed of two or more elements held together by chemical bonds.
  5. the smallest unit of matter.
Down
  1. can change the appearance or chemical properties of a substance.
  2. two or more substances combined, but not by chemical bonds.
  3. A form of matter that has a constant chemical composition and characteristic properties.
  4. combined but no physical change.
  5. can be observed or measured without changing the composition of matter.

10 Clues: combined and visible change. • the smallest unit of matter. • combined but no physical change. • two or more substances combined, but not by chemical bonds. • a substance that cannot be decomposed into simpler substances. • can change the appearance or chemical properties of a substance. • composed of two or more elements held together by chemical bonds. • ...

Chemcial Reactions 2022-05-11

Chemcial Reactions crossword puzzle
Across
  1. A reversible reaction.
  2. The substance created in a chemical reaction.
  3. Substances with new properties, by reaction with oxygen.
  4. The symbols which show a reaction between two ord more elements.
Down
  1. The product a reaction between Magnesium and Oxygen.
  2. A product from the reactents, Naturium and Chlorine.
  3. A reaction involving releasing heat.
  4. A substance consisting of more than one element.
  5. A reaction involving taking in heat.
  6. The two or more elements which created a reaction.

10 Clues: A reversible reaction. • A reaction involving releasing heat. • A reaction involving taking in heat. • The substance created in a chemical reaction. • A substance consisting of more than one element. • The two or more elements which created a reaction. • The product a reaction between Magnesium and Oxygen. • A product from the reactents, Naturium and Chlorine. • ...

Photosynthesis 2022-11-13

Photosynthesis crossword puzzle
Across
  1. Gas taken in during photosynthesis
  2. Process that turns sunlight into food
  3. Inputs of a chemical reaction
  4. Green pigment that absorbs sunlight
Down
  1. Organism that produces its own food
  2. A sugar produced during photosynthesis
  3. Organelle where photosynthesis occurs
  4. Gas released during photosynthesis
  5. Organism that doesn't produce its own food
  6. Outputs of a chemical reaction

10 Clues: Inputs of a chemical reaction • Outputs of a chemical reaction • Gas taken in during photosynthesis • Gas released during photosynthesis • Organism that produces its own food • Green pigment that absorbs sunlight • Organelle where photosynthesis occurs • Process that turns sunlight into food • A sugar produced during photosynthesis • ...

Photosynthesis Explore 2023-11-30

Photosynthesis Explore crossword puzzle
Across
  1. Carries glucose
  2. The factory where photosynthesis occurs
  3. Lets gases in and out of the leaf
  4. Organelle that tonains chrolophyll
  5. Absorbs suns energy
Down
  1. Proccess in which a plant makes sugar
  2. Distributes water
  3. Comes from the sun
  4. What is needed for a chemical reaction to occur
  5. Substances that are formed during a chemical reaction

10 Clues: Carries glucose • Distributes water • Comes from the sun • Absorbs suns energy • Lets gases in and out of the leaf • Organelle that tonains chrolophyll • Proccess in which a plant makes sugar • The factory where photosynthesis occurs • What is needed for a chemical reaction to occur • Substances that are formed during a chemical reaction

Photosynthesis 2024-11-04

Photosynthesis crossword puzzle
Across
  1. the process which plants use sunlight
  2. CO2
  3. converts light energy into energy plants can use
  4. C6 H12 O6
Down
  1. chemicals combine and creates more complex molecule
  2. the chemical reaction that changes food into energy
  3. tiny opening of the leaves
  4. 02
  5. protein that helps speed up chemical reaction
  6. what gives the plants their colors

10 Clues: 02 • CO2 • C6 H12 O6 • tiny opening of the leaves • what gives the plants their colors • the process which plants use sunlight • protein that helps speed up chemical reaction • converts light energy into energy plants can use • chemicals combine and creates more complex molecule • the chemical reaction that changes food into energy

ChemicalReactions1.3b 2023-01-25

ChemicalReactions1.3b crossword puzzle
Across
  1. an ending substance that is made during a chemical reaction
  2. tending to cause corrosion.
  3. the temperature at which a liquid boils and turns to vapor.
  4. the relative size of things
  5. a group of atoms joined together in a particular way
  6. the basic unit of a chemical element.
  7. something that is made of all the same atoms or groups of atoms
  8. to change the order or position of something
  9. the temperature at which a substance changes from the solid phase to the liquid phase
  10. a starting substance that is part of a chemical reaction
Down
  1. a structure formed by repeating groups of atoms linked together in a large network
  2. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  3. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  4. a mathematical relationship or rule expressed in symbols.
  5. a substance that is added to soil to help plants grow
  6. something that can be observed about a substance, such as color, smell, or boiling point

16 Clues: tending to cause corrosion. • the relative size of things • the basic unit of a chemical element. • to change the order or position of something • a group of atoms joined together in a particular way • a substance that is added to soil to help plants grow • a starting substance that is part of a chemical reaction • ...