chemical reaction Crossword Puzzles

Chem 2024-09-26

Chem crossword puzzle
Across
  1. Potential Energy,
  2. electron, is the outermost electron(s) of an atom that are involved in chemical bonding
  3. table, is a tabular arrangement of chemical elements organized by increasing atomic number, which is the number of protons in an atom's nucleus
  4. reaction, heat is released to the surroundings because the reaction products are at a lower energy level than the reactants.
  5. is a negatively charged ion
  6. energy, is the total kinetic energy possessed by all of the individual particles that make up an object or substance.
  7. refers to the emission and transmission of energy in the form of waves or particles through space or a medium
  8. is energy that transfers from one object to another because of a temperature difference between the objects
  9. configuration, is the the positioning of electrons in an atom or molecule
  10. a property of a substance or object that is large enough to see or measure without magnification
  11. are held together by chemical bonds, which form through the electrical attraction between protons and electrons.
  12. is the study of energy changes that happen during chemical reactions and changes in state.
  13. is an ion that has a positive charge
  14. are areas around the nucleus of an atom where electrons are most likely to be found
  15. Potential Energy, A hammer raised by a cam on a turning wheel gains gravitational potential energy. When it drops, potential energy is converted to kinetic energy.
  16. is a measure of the average kinetic energy of the particles in matter
  17. refers to the number of complete waves, or cycles, that pass a given point in a specific amount of time, usually per second
Down
  1. refers to the distance between two consecutive peaks or troughs in a wave
  2. potential energy, The energy stored in chemical bonds
  3. Energy, The energy of an object's motion is called kinetic energy.
  4. is the capacity to move, do work, change matter, or produce heat.
  5. kinetic energy, is the mathematical average of the individual kinetic energies of all the particles in a substance or object.
  6. typically refers to the maximum extent of a wave's displacement from its rest position
  7. Same atomic number but different masses in each item
  8. refers to the transfer of heat through the movement of fluids (liquids or gases)
  9. of conservation of mass, energy can neither be created nor destroyed in a physical change or chemical reaction.
  10. is an atom or molecule that has gained or lost one or more electrons, that’s creates a positive or negative charge
  11. refers to the process by which heat or electricity is transmitted through a substance
  12. flow, is the rate at which heat moves from one substance to another
  13. reaction, heat is absorbed from the surroundings because the reaction products are at a higher energy level than the reactants.
  14. Energy, The energy stored within a system due to the positions of its parts
  15. number, the number of protons in the nucleus of an atom

32 Clues: Potential Energy, • is a negatively charged ion • is an ion that has a positive charge • Same atomic number but different masses in each item • potential energy, The energy stored in chemical bonds • number, the number of protons in the nucleus of an atom • is the capacity to move, do work, change matter, or produce heat. • ...

Chemical Reactions 2023-11-01

Chemical Reactions crossword puzzle
Across
  1. chemical organic compounds release energy
  2. describes a physical or chemical process that absorbs energy
  3. a substance produced by a chemical reaction
  4. the process of burning something
  5. the initial substance of a chemical reaction
Down
  1. partial burning of a fuel
  2. the chemical element of atomic number 8
  3. describes a physical or chemical process that produces energy in the form of heat and light

8 Clues: partial burning of a fuel • the process of burning something • the chemical element of atomic number 8 • chemical organic compounds release energy • a substance produced by a chemical reaction • the initial substance of a chemical reaction • describes a physical or chemical process that absorbs energy • ...

Science 2022-08-11

Science crossword puzzle
Across
  1. A being getting bigger
  2. Energy created by change in atoms
  3. Energy that could work in the future
  4. Makes energy through chemical reaction
  5. Energy from the sun
  6. A very powerful source of energy
Down
  1. Energy acquired by falling
  2. Energy that can be created through stretching fabric
  3. Energy created through chemical reaction
  4. Makes nuclear energy

10 Clues: Energy from the sun • Makes nuclear energy • A being getting bigger • Energy acquired by falling • A very powerful source of energy • Energy created by change in atoms • Energy that could work in the future • Makes energy through chemical reaction • Energy created through chemical reaction • Energy that can be created through stretching fabric

Macromolecules 2021-06-15

Macromolecules crossword puzzle
Across
  1. Tending to repel or fail to mix with water.
  2. A special lipid that makes up the plasma membrane
  3. monomer of nucleic acids
  4. The minimum amount of energy to a activate atoms or molecules for physical or chemical transformations
  5. polymer of amino acids
  6. Speeds up chemical reactions
  7. A simple sugar, component of carbs
  8. small basic units
  9. Stores genetic info
  10. Having a tendency to mix with, dissolve in, or be wetted by water.
  11. Long-term energy
  12. Single sugar molecules
  13. Large molecules formed by monosaccharides
Down
  1. complex structure made of monomers
  2. Short-term energy
  3. monomer of proteins
  4. Controls the rate of chemical reactions
  5. Chains of amino acids
  6. large organic molecules
  7. The chemical breakdown of a compound due to reaction with water.

20 Clues: Long-term energy • Short-term energy • small basic units • monomer of proteins • Stores genetic info • Chains of amino acids • polymer of amino acids • Single sugar molecules • large organic molecules • monomer of nucleic acids • Speeds up chemical reactions • complex structure made of monomers • A simple sugar, component of carbs • Controls the rate of chemical reactions • ...

benjamin 2026-01-21

benjamin crossword puzzle
Across
  1. influences the rate of chemical weathering
  2. water expands when frozen
  3. important agent in chemical weathering
  4. of material moves along curved surface
  5. movements of blocks of soil
  6. moderatley slow movement of soil
  7. eroded materials are dropped at different locations
  8. the chemical reaction of oxygen
  9. dense rivers of slowly moving ice
  10. The outer layers of uplifted exposed rock
  11. the breaking down of rock
  12. the grinding of rock against rock
  13. fast moving mixtures of mud and water
Down
  1. in mountainous areas
  2. of a landscape
  3. weathering of a rock that cant be oxidation
  4. of weatherd rock
  5. roots exert pressure
  6. sheet of rock moves down hill
  7. type of mudflow that occurs after a volcanic eruption

20 Clues: of a landscape • of weatherd rock • in mountainous areas • roots exert pressure • water expands when frozen • the breaking down of rock • movements of blocks of soil • sheet of rock moves down hill • the chemical reaction of oxygen • moderatley slow movement of soil • dense rivers of slowly moving ice • the grinding of rock against rock • fast moving mixtures of mud and water • ...

Chemical and Physical Reaction Crossword 2024-04-29

Chemical and Physical Reaction Crossword crossword puzzle
Across
  1. Characteristics that can be observed or measured
  2. Material that possesses physical properties
  3. The substance which participates in chemical reaction
  4. A set of levels or numbers which are used in particular system of measuring or comparing
Down
  1. Reaction States on matter that stays the same
  2. A representation of an ideas or object used to describe and explain
  3. A substance that is presented at the end of a chemical reactions
  4. The basic building block of chemistry
  5. Reaction State of matter that changes

9 Clues: The basic building block of chemistry • Reaction State of matter that changes • Material that possesses physical properties • Characteristics that can be observed or measured • Reaction States on matter that stays the same • The substance which participates in chemical reaction • A substance that is presented at the end of a chemical reactions • ...

Metabolism Vocab 2022-02-16

Metabolism Vocab crossword puzzle
Across
  1. claim supported by evidence
  2. A proposed answer to a question
  3. Meat has a lot of it
  4. Explaining your evidence
  5. This happens when something is moving
  6. the body system that takes in food and breaks it down
  7. chemical reaction between oxygen and glucose
  8. interacting parts forming a complex whole
  9. Liquid, gas, solid
Down
  1. A molecule that organisms can use to release energy it's made of carbon, hydrogen, and oxygen atoms
  2. atoms rearrange to form new substances
  3. The body's use of molecules for energy and growth
  4. building blocks of proteins
  5. A system in the body that transports molecules
  6. A system that that takes in oxygen and releases carbon dioxide
  7. carbon, and oxygen atoms
  8. You breathe it
  9. Imfromation to support or go against a claim
  10. energy storage molecule

19 Clues: You breathe it • Liquid, gas, solid • Meat has a lot of it • energy storage molecule • carbon, and oxygen atoms • Explaining your evidence • claim supported by evidence • building blocks of proteins • A proposed answer to a question • This happens when something is moving • atoms rearrange to form new substances • interacting parts forming a complex whole • ...

Chemistry Review 2025-05-15

Chemistry Review crossword puzzle
Across
  1. Dull, brittle elements to the right of the staircase
  2. How likely an atom is to undergo chemical change
  3. Outermost electrons involved in bonding
  4. Overall structure or connection between atoms
  5. Shiny, conductive elements on the left of the table
  6. Bond formed by transferring electrons
  7. Type of reaction where a compound breaks into smaller parts
  8. Negatively charged particle outside the nucleus
  9. Atom with same protons but different neutrons
  10. Vertical column on the periodic table
Down
  1. Tendency to attract electrons in a bond
  2. Two or more atoms chemically joined
  3. Equation with equal atoms on both sides
  4. Shared electron pair forms this type of bond
  5. Type of chemical reaction where smaller parts build a compound
  6. Positively charged particle in the nucleus
  7. Horizontal row on the periodic table
  8. Center of the atom
  9. Electrically neutral subatomic particle

19 Clues: Center of the atom • Two or more atoms chemically joined • Horizontal row on the periodic table • Bond formed by transferring electrons • Vertical column on the periodic table • Tendency to attract electrons in a bond • Equation with equal atoms on both sides • Outermost electrons involved in bonding • Electrically neutral subatomic particle • ...

Science Crossword 2018-03-05

Science Crossword crossword puzzle
Across
  1. increasing the concentration ___________ the number of collisions per second
  2. the amount of energy required to pull two bonded atoms apart
  3. there are _____types of chemical reactions.
  4. during a chemical reaction, one or more new compounds are formed as a result of the rearrangement of what?
  5. bond energy is also known as what?
  6. reactants turn into what?
Down
  1. no atoms are gained or lost duing any reaction; this describes what?
  2. how quickly the concentration of reactants decreases and how quickly the concenration of products increases
  3. a substance that lowers the activation energy of a chemical reaction
  4. clues to indicate chemical change include heat given off, bubbles or gas, precipitate may form, the change is difficult to reverse, and what else?

10 Clues: reactants turn into what? • bond energy is also known as what? • there are _____types of chemical reactions. • the amount of energy required to pull two bonded atoms apart • no atoms are gained or lost duing any reaction; this describes what? • a substance that lowers the activation energy of a chemical reaction • ...

Chem 2023-05-25

Chem crossword puzzle
Across
  1. the number and kinds of atoms must be the same on both sides of the reaction arrow
  2. the substances formed in the reaction
  3. is one in which a single compound breaks down into two or more elements or new compounds
  4. the starting substances in the reaction
  5. oxygen combines with a substance and releases energy in the form of heat and light
Down
  1. two or more substances react to produce a single product
  2. A reaction in which the atoms of one element replace the atoms of another element in a compound
  3. a chemical equation is the number written in front of a reactant or product, describing the lowest whole-number ratio of the amounts of all the reactants and products
  4. a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction
  5. process by which one or more substances are rearranged to form different substances

10 Clues: the substances formed in the reaction • the starting substances in the reaction • two or more substances react to produce a single product • the number and kinds of atoms must be the same on both sides of the reaction arrow • oxygen combines with a substance and releases energy in the form of heat and light • ...

Chemistry Review 2025-05-08

Chemistry Review crossword puzzle
Across
  1. Shiny, conductive elements on the left of the table
  2. Dull, brittle elements to the right of the staircase
  3. Positively charged particle in the nucleus
  4. Atom with same protons but different neutrons
  5. Overall structure or connection between atoms
  6. Outermost electrons involved in bonding
  7. Type of chemical reaction where smaller parts build a compound
  8. Horizontal row on the periodic table
  9. How likely an atom is to undergo chemical change
Down
  1. Equation with equal atoms on both sides
  2. Type of reaction where a compound breaks into smaller parts
  3. Shared electron pair forms this type of bond
  4. Electrically neutral subatomic particle
  5. Bond formed by transferring electrons
  6. Two or more atoms chemically joined
  7. Term for numbers of protons in an element
  8. Center of the atom
  9. Vertical column on the periodic table
  10. Negatively charged particle outside the nucleus

19 Clues: Center of the atom • Two or more atoms chemically joined • Horizontal row on the periodic table • Bond formed by transferring electrons • Vertical column on the periodic table • Equation with equal atoms on both sides • Electrically neutral subatomic particle • Outermost electrons involved in bonding • Term for numbers of protons in an element • ...

Enzyme Crossword Puzzle 2017-01-16

Enzyme Crossword Puzzle crossword puzzle
Across
  1. Nutrients your body needs from food in small amounts for growth and maintaining a good health; also acts as coenzymes in the regulation of metabolic processes
  2. A substance acted upon by an enzyme
  3. A molecule that binds to an enzyme that is not the active site and changes the active site so the enzyme cannot bind with the substrate
  4. The chemical process where organisms use food and water to grow, heal and to make energy
  5. The area of an enzyme where the substrates bind with the enzyme and undergoes a chemical reaction
  6. A concept where the enzyme and the substrate fit together perfectly; the correct size and shape of the substrate would fit into the active site of the enzyme
  7. Small molecules that enhances the action of a protein that acts as catalyst to speed up chemical reactions
  8. An organ located at the base of the neck that releases hormones to control metabolism as well as growth and development
Down
  1. Altering the shape of a protein through extreme heat, pH changes or heavy metals that causes a protein to lose its function
  2. The main hormone produced by the thyroid gland that increases metabolic rate; also regulates growth and development
  3. A molecule that binds to the active site and prevents the enzyme from binding to to the substrate. A reaction cannot occur because the active site is blocked
  4. The minimum exertion of power needed for a chemical reaction to take place
  5. a substance that is formed when two or more chemicals react
  6. A concept where enzymes slightly alter the shape of their active site to fit the substrates better
  7. Proteins that act as a catalyst in living organism to speed up the rate of chemical reactions without being used up
  8. Protein portion of the organic molecule that speeds up reaction

16 Clues: A substance acted upon by an enzyme • a substance that is formed when two or more chemicals react • Protein portion of the organic molecule that speeds up reaction • The minimum exertion of power needed for a chemical reaction to take place • The chemical process where organisms use food and water to grow, heal and to make energy • ...

Chemical equations and reaction, By Adhil 2024-04-28

Chemical equations and reaction, By Adhil crossword puzzle
Across
  1. Type of reaction in which reactant break down
  2. Changing of food colorand taste after long time
  3. Color of pottasium permaganate
  4. Formed from reactions
  5. Term for release of heat
  6. ______ displacement reaction where electrons are exchanged
  7. Some substance that helps affect the reaction
  8. Representation of a chemical reaction using symbols
Down
  1. Number added to make an equation balanced.
  2. when both reduction and oxidation take place
  3. When a acid and base reacts to form salt and water
  4. Take part in reactions
  5. Type of equation without any balancing
  6. Term for Absorption of heat
  7. Is a type of equation where the atoms of RHS and LHS are not equal.

15 Clues: Formed from reactions • Take part in reactions • Term for release of heat • Term for Absorption of heat • Color of pottasium permaganate • Type of equation without any balancing • Number added to make an equation balanced. • when both reduction and oxidation take place • Type of reaction in which reactant break down • Some substance that helps affect the reaction • ...

Module 4 Crossword 2022-04-21

Module 4 Crossword crossword puzzle
Across
  1. a stepwise sequence of elementary reactions by which a chemical change takes place (2 words, no space between)
  2. name of an equation that describes a relationship between a reaction’s rate constant, activation energy, and temperature
  3. the relationship between the concentration of species and the reaction rate (2 words, no space between)
  4. substance that increases the rate of a reaction without itself being consumed by the reaction
  5. the state or power of being reactive or the degree to which a thing is reactive
Down
  1. a proportionality factor in the rate law of chemical kinetics that relates the molar concentration of reactants to reaction rate; denoted by the letter k (2 words, no space between)
  2. a noun that describes object moving quickly
  3. minimum energy necessary in order for a reaction to take place (2 words, no space between)
  4. the name of the theory that states that for a chemical reaction to occur, the reacting particles must collide with one another
  5. time required for half of a given amount of reactant to be consumed

10 Clues: a noun that describes object moving quickly • time required for half of a given amount of reactant to be consumed • the state or power of being reactive or the degree to which a thing is reactive • minimum energy necessary in order for a reaction to take place (2 words, no space between) • ...

Science Crossword 2014-08-20

Science Crossword crossword puzzle
Across
  1. To eliminate a substance
  2. A solid matter dissolved into a solute
  3. A chemical reaction which can be reversed
  4. A _____ dissolves a solute
  5. _______________ is a alkalis which effervesces with acids
  6. A solute when a solvent has been dissolved
  7. A chemical change which can't be reversed
  8. The formula of an active ingredient
  9. This state of matter has no volume and no fixed shape
  10. ___________ is when Gas turns to Liquid
  11. From a Liquid into a Solid
  12. To make thinner
Down
  1. ____________ is when oxygen molecules enter act with electrons
  2. To make inoperative
  3. When an active chemical substance alights
  4. A _______ has a volume but no fixed shape
  5. This is when Gas turns into a Solid
  6. ___________ is a chemical change when Liquid to Gas and Gas to Liquid
  7. To _________ is to set out
  8. A process which dissolves CO2 into a Solid
  9. _______ is a chemical substance that neutralises alkalis and dissolves Solids

21 Clues: To make thinner • To make inoperative • To eliminate a substance • A _____ dissolves a solute • To _________ is to set out • From a Liquid into a Solid • This is when Gas turns into a Solid • The formula of an active ingredient • A solid matter dissolved into a solute • ___________ is when Gas turns to Liquid • A chemical reaction which can be reversed • ...

1475 2025-11-16

1475 crossword puzzle
Across
  1. Database for material discovery
  2. Random sampling simulation in chemistry
  3. Designing processes to reduce environmental impact
  4. Synthesis driven by electricity
  5. Study of fluid flow in small channels
  6. First-principles computational method
  7. Miniaturized chemical lab on small device
  8. Rapid experimentation for large datasets
  9. Acceleration of reactions without consumption
Down
  1. Water-based high-pressure synthesis method
  2. AI predicting chemical properties
  3. Reactions in solvents at high temperature and pressure
  4. Organic molecule catalyzing reaction
  5. Minimizing hazardous substance use
  6. Simulating motion of atoms over time
  7. eutectic Mixture of solids forming liquid at low temperature
  8. Enzyme used in chemical reactions
  9. Salt in liquid state at room temperature
  10. Density functional theory for electron distribution
  11. Continuous flow reactions in reactors
  12. Simulating chemical systems with computers
  13. Combining quantum and molecular mechanics
  14. Using data for chemical research
  15. Reactions using light and electron transfer
  16. Acid stronger than 100% sulfuric acid

25 Clues: Database for material discovery • Synthesis driven by electricity • Using data for chemical research • AI predicting chemical properties • Enzyme used in chemical reactions • Minimizing hazardous substance use • Organic molecule catalyzing reaction • Simulating motion of atoms over time • Continuous flow reactions in reactors • Study of fluid flow in small channels • ...

Chem 2023-05-25

Chem crossword puzzle
Across
  1. the number and kinds of atoms must be the same on both sides of the reaction arrow
  2. the substances formed in the reaction
  3. is one in which a single compound breaks down into two or more elements or new compounds
  4. the starting substances in the reaction
  5. oxygen combines with a substance and releases energy in the form of heat and light
Down
  1. two or more substances react to produce a single product
  2. A reaction in which the atoms of one element replace the atoms of another element in a compound
  3. a chemical equation is the number written in front of a reactant or product, describing the lowest whole-number ratio of the amounts of all the reactants and products
  4. a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction
  5. process by which one or more substances are rearranged to form different substances

10 Clues: the substances formed in the reaction • the starting substances in the reaction • two or more substances react to produce a single product • the number and kinds of atoms must be the same on both sides of the reaction arrow • oxygen combines with a substance and releases energy in the form of heat and light • ...

Mr.Jantz Chemistry vocab 2021-09-07

Mr.Jantz Chemistry vocab crossword puzzle
Across
  1. A column of elements on the Periodic table having similar properties and the same valence electron number
  2. a number in front of a chemical formula stating how many sets of the compound is being used.
  3. A starting substance in a chemical reaction
  4. A subatomic particle with no charge
  5. two or more substance not chemically combined together in the same contanier
  6. the number of protons added to the number of neutrons in an atom of an element
  7. A substance produced in a chemical reaction
  8. A subatomic particle with a negative charge
  9. a number located immediately after the atoms symbol that it states how many atoms of that element is in the coumpound
  10. The smallest particle of an element
Down
  1. A substance whose particle is made of two or more different kinds of elements
  2. The number of protons in an atoms nuclus
  3. A positive charged subatomic particle
  4. A fundimental substance that cannot be broken down into a simpler substance by chemical or physical means
  5. a row of elements of the periodic table having the same number of energy levels that electrons are in
  6. a one or two letter combination used to represent a type of element in chemical equations

16 Clues: A subatomic particle with no charge • A positive charged subatomic particle • The smallest particle of an element • The number of protons in an atoms nuclus • A starting substance in a chemical reaction • A substance produced in a chemical reaction • A subatomic particle with a negative charge • ...

Stoichiometry Crossword 2021-03-06

Stoichiometry Crossword crossword puzzle
Across
  1. starting substances of a chemical reaction
  2. one mole measured in mass in grams of substances
  3. representation of a chemical reaction in words
  4. a number that is in front of a chemical formula or symbol usually indicating how many of its atoms or molecules are involved in reacting with the substance itself
  5. the number of atoms in an element that are located below the chemical symbol or formula.
  6. two or more substances react together in order to form a single product
Down
  1. a compound breaks down into two or more simpler substance
  2. new formed substances from the reaction
  3. scientific unit that is used to measure quantities of substances, such as molecules or electrons
  4. substance and oxygen combine and react to produce heat and a new product

10 Clues: new formed substances from the reaction • starting substances of a chemical reaction • representation of a chemical reaction in words • one mole measured in mass in grams of substances • a compound breaks down into two or more simpler substance • two or more substances react together in order to form a single product • ...

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 • ...

Science Voc 2025-10-20

Science Voc crossword puzzle
Across
  1. A change of matter with no changes to the chemical properties
  2. Something formed by a change in solution
  3. A law that doesnt let mass be destroyed or made but just changed
  4. A change that produces a new substance with different properties
  5. A substance or molecule that was made after a chemical reaction
Down
  1. When two or more substances combine
  2. Representation of a chemical reaction with symbols
  3. A substance or molecule that participated in a chemical reaction

8 Clues: When two or more substances combine • Something formed by a change in solution • Representation of a chemical reaction with symbols • A change of matter with no changes to the chemical properties • A substance or molecule that was made after a chemical reaction • A substance or molecule that participated in a chemical reaction • ...

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 • ...

Chemical change/reactions 2025-01-06

Chemical change/reactions crossword puzzle
Across
  1. A process in which substances are transformed into different substances.
  2. the little number that indicates how many atoms are present
  3. A symbolic representation of a chemical reaction.
Down
  1. A chemical equation where the number of atoms for each element is the same on both sides.
  2. A number placed in front of a chemical formula in a balanced equation to indicate the ratio of molecules or moles.
  3. A substance formed as a result of a chemical reaction.
  4. The sum of the atomic masses of all atoms in a molecule, measured in grams per mole.
  5. A substance that participates in and is consumed during a chemical reaction.
  6. A unit used to count particles in chemistry, equivalent to

9 Clues: A symbolic representation of a chemical reaction. • A substance formed as a result of a chemical reaction. • A unit used to count particles in chemistry, equivalent to • the little number that indicates how many atoms are present • A process in which substances are transformed into different substances. • ...

Thermochemistry 2015-04-26

Thermochemistry crossword puzzle
Across
  1. A thermodynamic function of a system, equivalent to the sum of the internal energy of the system plus the product of its volume multiplied by the pressure exerted on it by its surroundings.
  2. Reaction that releases heat during the reaction.
  3. Law which states that the energy change in an overall chemical reaction is equal to the sum of energy in the individual reactions, compromosing it.
  4. The amount of ____ needed to increase the temperature of one gram of a substance by one degree is the specific ____ ________.
Down
  1. A power which may be translated into motion, overcoming resistance, or effecting physical change.
  2. A substance that is altered or incorporated into another substance in a chemical reaction.
  3. A substance obtained by another substance through chemical change.
  4. Reaction that absorbs heat from it's surroundings as the reaction proceeds.
  5. The property of matter which reflects the quantity of energy of motion of the component particles.
  6. A measure of the amount of matter in an object.

10 Clues: A measure of the amount of matter in an object. • Reaction that releases heat during the reaction. • A substance obtained by another substance through chemical change. • Reaction that absorbs heat from it's surroundings as the reaction proceeds. • A substance that is altered or incorporated into another substance in a chemical reaction. • ...

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 • ...

CHEMICAL REACTION 2025-04-07

CHEMICAL REACTION crossword puzzle
Across
  1. Large marsupial
  2. Likes to chase mice
Down
  1. Has a trunk
  2. Flying mammal
  3. Man's best friend

5 Clues: Has a trunk • Flying mammal • Large marsupial • Man's best friend • Likes to chase mice

Elephant's Toothpaste 2024-12-06

Elephant's Toothpaste crossword puzzle
Across
  1. The bubbly result of this chemical reaction, resembling what an elephant might need for cleaning!
  2. The chemical catalyst in this experiment.
  3. A chemical catalyst commonly used in the faster version of the experiment.
  4. One of the byproducts of breaking down hydrogen peroxide.
Down
  1. The reaction type where a compound breaks down into simpler substances.
  2. A common oxidizer used in first aid and cleaning. Essential for this foamy reaction.
  3. A substance that speeds up a chemical reaction without being consumed. Often potassium iodide or yeast.
  4. The gas released during the experiment, creating bubbles.
  5. Added to trap gas and make the reaction visible.

9 Clues: The chemical catalyst in this experiment. • Added to trap gas and make the reaction visible. • The gas released during the experiment, creating bubbles. • One of the byproducts of breaking down hydrogen peroxide. • The reaction type where a compound breaks down into simpler substances. • A chemical catalyst commonly used in the faster version of the experiment. • ...

Reversible Reactions, Equilibrium, LeChatelier 2025-07-30

Reversible Reactions, Equilibrium, LeChatelier crossword puzzle
Across
  1. system a system where no reactants or products can enter or leave
  2. describes equilibrium where reactions continue to occur but concentrations remain constant
  3. a reaction that releases heat energy
  4. a reactant in the Haber process obtained from air
  5. to use unreacted reactants again in the process to improve efficiency
  6. a condition (such as temperature or pressure) chosen to balance yield and rate
  7. a reaction where products can reform the original reactants
  8. a factor that influences equilibrium by altering the amounts of reactants or products
  9. the direction of the reaction that forms products from reactants
  10. a reactant in the Haber process obtained from natural gas or hydrocarbons
  11. a reaction that absorbs heat energy
  12. the amount of product formed in a chemical reaction
Down
  1. the product of the Haber process used to make fertilisers
  2. a state where the forward and reverse reactions occur at the same rate
  3. the direction of the reaction that reforms reactants from products
  4. a factor affecting equilibrium, especially in reactions involving gases
  5. a condition that affects the position of equilibrium depending on exothermic or endothermic nature
  6. a substance that increases reaction rate without being used up
  7. the catalyst used in the Haber process
  8. a principle used to predict how equilibrium shifts when conditions change

20 Clues: a reaction that absorbs heat energy • a reaction that releases heat energy • the catalyst used in the Haber process • a reactant in the Haber process obtained from air • the amount of product formed in a chemical reaction • the product of the Haber process used to make fertilisers • a reaction where products can reform the original reactants • ...

Redox Reaction 2020-06-23

Redox Reaction crossword puzzle
Across
  1. Loss of electrons
  2. a compound reacts with oxygen to produce carbon dioxide, water, and heat.
  3. Reaction involving the combination of two compounds to form a single compound in the form of A + B → AB
  4. term stand as reduction and oxidation
  5. Redox reaction is a type of chemical reaction that involves a ......... of electrons between two species
  6. ..... acid is a component of many fertilizers, is produced from the oxidation reaction of ammonia.
  7. one or more atoms is swapped out for another
  8. ....... or electrochemical cells are apllication of redox reactions
Down
  1. Reaction involves the breakdown of a compound into different compounds
  2. Oxidation State Method is one of ...... methods
  3. Is Gain of electrons
  4. An oxidizing agent is a reactant that removes ...... from other reactants during a redox reaction
  5. Green plants convert water and carbon dioxide into carbohydrates
  6. Common oxidizing agents are ......, hydrogen peroxide and the halogens
  7. oxidixing agents also known as ......
  8. Redox reaction involved a free .... charge

16 Clues: Loss of electrons • Is Gain of electrons • term stand as reduction and oxidation • oxidixing agents also known as ...... • Redox reaction involved a free .... charge • one or more atoms is swapped out for another • Oxidation State Method is one of ...... methods • Green plants convert water and carbon dioxide into carbohydrates • ...

Science 8.5D & 8.5E 2018-03-05

Science 8.5D & 8.5E crossword puzzle
Across
  1. – elements and compounds combine to form new substances
  2. – substance that combines with another substance in a chemical reaction
  3. - number before a chemical formula showing how many atoms or molecules are involved in a reaction
  4. – substance that forms when two or more elements join chemically
Down
  1. – number to the bottom right of a chemical symbol identifying numbers of element atoms in a molecule
  2. – two or more atoms held together by chemical bonds; smallest unit of a compound that has all the compound properties
  3. - the letter or letters standing for a chemical element
  4. –chemical symbols and numbers showing the kinds and numbers of atoms in a molecule
  5. - homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent.
  6. - the basic unit of a chemical element
  7. – a substance that cannot be broken down into simpler substances by ordinary chemical means

11 Clues: - the basic unit of a chemical element • - the letter or letters standing for a chemical element • – elements and compounds combine to form new substances • – substance that forms when two or more elements join chemically • – substance that combines with another substance in a chemical reaction • ...

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 • ...

6.2. Chemical Reactions 2025-12-16

6.2. Chemical Reactions crossword puzzle
Across
  1. a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
  2. a substance produced during a natural, chemical, or manufacturing process:
  3. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  4. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Down
  1. a region on an enzyme that binds to a protein or other substance during a reaction.
  2. a substance that takes part in and undergoes change during a reaction.
  3. the surface or material on or from which an organism lives, grows, or obtains its nourishment:
  4. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change:

8 Clues: a substance that takes part in and undergoes change during a reaction. • a substance produced during a natural, chemical, or manufacturing process: • a region on an enzyme that binds to a protein or other substance during a reaction. • the surface or material on or from which an organism lives, grows, or obtains its nourishment: • ...

Energy in Chemical Reactions 2023-02-28

Energy in Chemical Reactions crossword puzzle
Across
  1. A chemical reaction in which less energy is needed to break bonds in the reactants than is released
  2. A chemical reaction that involves the release of energy in the form of heat or light
  3. Heat in a chemical reaction
Down
  1. An equation used to determine if a reaction is spontaneous or not
  2. Disorder in a chemical reaction
  3. The average kinetic energy of particles: the movement of particles
  4. The transfer of kinetic energy from one object to another

7 Clues: Heat in a chemical reaction • Disorder in a chemical reaction • The transfer of kinetic energy from one object to another • An equation used to determine if a reaction is spontaneous or not • The average kinetic energy of particles: the movement of particles • A chemical reaction that involves the release of energy in the form of heat or light • ...

Crossword 1: Enzyme Activity 2016-11-27

Crossword 1: Enzyme Activity crossword puzzle
Across
  1. Type of inhibitor that effects the enzyme which changes the shape of the active site causing the reaction rate to be lower.
  2. Chemical that acts as a non-competitive inhibitor by reacting with sulfhydryl groups to disrupt disulfide bonds.
  3. A molecule that works against the reaction causing it to slow down. There are two types.
  4. Substrate used in the enzyme action lab.
  5. The catalytic region of the enzyme where it binds to the substrate and the reaction occurs.
  6. Enzyme found in potatoes that is responsible for the darkening of fresh peeled potatoes and is also known as tyrosinase or catechol oxidase.
  7. What happens to an enzyme when it is exposed to extreme heat and the proteins of the enzyme unfold and become misshapen.
  8. This is the name for when the enzyme and the substrate are binding and forming product at the fastest possible rate.
Down
  1. Metal ions or organic molecules that must be present in addition to enzymes for a reaction to occur.
  2. The concentration of substrate at which production of product is half maximal.
  3. acid Chemical that acts as a competitive inhibitor and has a similar structure to catechol.
  4. The molecule that the enzyme binds to in order to complete the reaction more quickly.
  5. A molecule that when present increases the rate of reaction without being consumed in the reaction.
  6. Type of inhibitor that has a similar shape as the substrate which slows down the reaction rate by blocking the substrate from binding to the enzyme.
  7. A type of catalyst.
  8. dilution Method of dilution that involves using a starting concentration and then decreasing the concentration from which this sample is again diluted. This process continues until the desired concentration is reached.

16 Clues: A type of catalyst. • Substrate used in the enzyme action lab. • The concentration of substrate at which production of product is half maximal. • The molecule that the enzyme binds to in order to complete the reaction more quickly. • A molecule that works against the reaction causing it to slow down. There are two types. • ...

1475 2025-11-16

1475 crossword puzzle
Across
  1. Database for material discovery
  2. Random sampling simulation in chemistry
  3. Designing processes to reduce environmental impact
  4. Synthesis driven by electricity
  5. Study of fluid flow in small channels
  6. First-principles computational method
  7. Miniaturized chemical lab on small device
  8. Rapid experimentation for large datasets
  9. Acceleration of reactions without consumption
Down
  1. Water-based high-pressure synthesis method
  2. AI predicting chemical properties
  3. Reactions in solvents at high temperature and pressure
  4. Organic molecule catalyzing reaction
  5. Minimizing hazardous substance use
  6. Simulating motion of atoms over time
  7. eutectic Mixture of solids forming liquid at low temperature
  8. Enzyme used in chemical reactions
  9. Salt in liquid state at room temperature
  10. Density functional theory for electron distribution
  11. Continuous flow reactions in reactors
  12. Simulating chemical systems with computers
  13. Combining quantum and molecular mechanics
  14. Using data for chemical research
  15. Reactions using light and electron transfer
  16. Acid stronger than 100% sulfuric acid

25 Clues: Database for material discovery • Synthesis driven by electricity • Using data for chemical research • AI predicting chemical properties • Enzyme used in chemical reactions • Minimizing hazardous substance use • Organic molecule catalyzing reaction • Simulating motion of atoms over time • Continuous flow reactions in reactors • Study of fluid flow in small channels • ...

Energy in Chemical Reactions 2023-02-28

Energy in Chemical Reactions crossword puzzle
Across
  1. A chemical reaction in which less energy is needed to break bonds in the reactants than is released
  2. A chemical reaction that involves the release of energy in the form of heat or light
  3. Heat in a chemical reaction
Down
  1. An equation used to determine if a reaction is spontaneous or not
  2. Disorder in a chemical reaction
  3. The average kinetic energy of particles: the movement of particles
  4. The transfer of kinetic energy from one object to another

7 Clues: Heat in a chemical reaction • Disorder in a chemical reaction • The transfer of kinetic energy from one object to another • An equation used to determine if a reaction is spontaneous or not • The average kinetic energy of particles: the movement of particles • A chemical reaction that involves the release of energy in the form of heat or light • ...

4.1.3 Aiden 2024-02-07

4.1.3 Aiden crossword puzzle
Across
  1. Name of the hypothesis that helps explain enzyme functioning
  2. What activities enzymes activate
  3. removes the water
  4. non-optimal pH level (Active site changes)
  5. Is milk an acid or base
  6. molecule the substrate acts on
  7. the the temperature gets too hot it can ____
  8. is denaturing reversible
  9. What does pH stand for
  10. site where the enzyme binds to the substrate
Down
  1. What is the function of pepsine
  2. The chemical reactpepsine to living organisms
  3. This is a substrate (ose)
  4. Carries oxygen
  5. Prevent from forming enzyme
  6. enzymes control this aspect of chemical reactions
  7. proteins that speed up chemical reactions
  8. speeds up chemical reactions
  9. Raising the temperature raises _______
  10. Simple sugars
  11. is sodium hydroxide a base or acid
  12. Every reaction needs energy to begin
  13. is water a base, acid, or neutral
  14. Speeds up reactions
  15. substrate undergoes chemical changes to form a new substance called

25 Clues: Simple sugars • Carries oxygen • removes the water • Speeds up reactions • What does pH stand for • Is milk an acid or base • is denaturing reversible • This is a substrate (ose) • Prevent from forming enzyme • speeds up chemical reactions • molecule the substrate acts on • What is the function of pepsine • What activities enzymes activate • is water a base, acid, or neutral • ...

chemistry 2018-05-31

chemistry crossword puzzle
Across
  1. number 6.0221 x 1023 particles per mole.
  2. radius Chemical element is a measure of the size of its atoms
  3. Describing the structure, behavior, and other properties of the atom and its component parts.
  4. radius Measure of an atom's ion in a crystal lattice. It is half the distance between two ions that are barely touching each other.
  5. solution More dissolved solute than the solvent would normally dissolve in its current conditions
  6. A chemical substance that neutralizes alkalis
  7. prop Defined as a characteristic of matter that may be observed and measured without changing the chemical identity
Down
  1. solution Which the solute concentration is lower than its equilibrium solubility
  2. error A percentage the difference between an approximate or measured value and an exact or known value.
  3. energy Energy required to remove an electron from an isolated atom or molecule
  4. ratio Ratio between the amounts in moles of any two compounds involved in a chemical reaction
  5. solution Chemical solution containing the maximum concentration of a solute dissolved in the solvent.
  6. Chemical property of a substance that provides the ability for the substance to get dissolved or become soluble in a solvent
  7. prop Observed during a reaction in which the chemical composition or identity of the substance is changed
  8. mass The mass of one mole of a substance, usually expressed in grams

15 Clues: number 6.0221 x 1023 particles per mole. • A chemical substance that neutralizes alkalis • radius Chemical element is a measure of the size of its atoms • mass The mass of one mole of a substance, usually expressed in grams • energy Energy required to remove an electron from an isolated atom or molecule • ...

Chemical Reactions & Enzymes 2012-09-11

Chemical Reactions & Enzymes crossword puzzle
Across
  1. reactant of an enzyme-catalyzed reaction
  2. a process that changes one set of chemicals into another set of chemicals
  3. protein that acts as a biological catalyst
Down
  1. energy needed to get a reaction started
  2. elements or compounds that enter into a chemical reaction
  3. substance that speads up the rate of a chemical reaction
  4. elements or compounds produced by a chemical reaction

7 Clues: energy needed to get a reaction started • reactant of an enzyme-catalyzed reaction • protein that acts as a biological catalyst • elements or compounds produced by a chemical reaction • substance that speads up the rate of a chemical reaction • elements or compounds that enter into a chemical reaction • ...

Chemistry 2025-02-03

Chemistry crossword puzzle
Across
  1. A reaction involving a loss of electrons from an atom, a molecule or an ion.
  2. A reaction in which a more reactive element displaces a less reactive one.
  3. Atomic number 8
  4. A chemical reaction in which a substance reacts with oxygen - the reaction is exothermic
Down
  1. The name given to the process that takes place when metals and alloys are chemically attacked by oxygen, water, or any other substances found in their immediate environment
  2. A term used to describe oxidised organic material (food) - usually involving a bad smell
  3. A reaction involving a gain of electrons from an atom, a molecule or an ion.
  4. A chemical process in which two substances react
  5. The negatively charged subatomic particle
  6. Oxidation and reduction

10 Clues: Atomic number 8 • Oxidation and reduction • The negatively charged subatomic particle • A chemical process in which two substances react • A reaction in which a more reactive element displaces a less reactive one. • A reaction involving a gain of electrons from an atom, a molecule or an ion. • ...

Chapter 12 Basics of Chemistry Vocabulary 2021-08-20

Chapter 12 Basics of Chemistry Vocabulary crossword puzzle
Across
  1. A contraction of surface active agents; substances that allow oil and water to mix, or emulsify.
  2. Subatomic particles with a positive charge.
  3. The study of substances that contain the element carbon.
  4. A solution that has a pH below 7.0 (neutral).
  5. The study of substances that do not contain the element carbon, but may contain the element hydrogen.
  6. An ion with a positive electrical charge.
  7. An unstable physical mixture of two or more immiscible substances (substances that normally will not stay blended) plus a special ingredient called an emulsifier.
  8. Having an affinity for or an attraction to fat and oils (oil-loving).
  9. Alcohols that evaporate easily.
  10. An alpha hydroxy acid used in exfoliation and to lower the pH of products.
  11. An ion with a negative electrical charge.
  12. The substance that is dissolved in a solution.
  13. The three different physical forms of matter: solid, liquid, and gas.
  14. A stable physical mixture of two or more substances.
  15. A physical combination of matter in any proportion.
  16. The simplest form of chemical matter; an element cannot be broken down into a simpler substance without a loss of identity.
  17. Alkaline substances used to neutralize acids or raise the pH of many hair products.
  18. Subatomic particles with no charge.
  19. Subatomic particles with a negative charge.
  20. The substance that dissolves the solute and makes a solution.
  21. Water droplets emulsified in oil.
  22. Chemical reactions that release a significant amount of heat.
  23. Science that deals with the composition, structures, and properties of matter and how matter changes under different conditions.
  24. Special type of oil used in hair conditioners, water-resistant lubricants for the skin, and nail polish dryers.
  25. Characteristics that can only be determined by a chemical reaction and a chemical change in the substance.
  26. Acids derived from plants (mostly fruit) that are often used to exfoliate the skin.
  27. Rapid oxidation of a substance accompanied by the production of heat and light.
  28. A change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance.
  29. Substance that releases oxygen.
Down
  1. A solution that has a pH above 7.0 (neutral).
  2. Characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance.
  3. A change in the chemical composition or make-up of a substance.
  4. A chemical combination of two or more atoms in definite (fixed) proportions.
  5. Also known as compounds; a chemical combination of two or more atoms of different elements in definite (fixed) proportions.
  6. Colorless gas with a pungent odor that is composed of hydrogen and nitrogen.
  7. A chemical reaction that combines a substance with oxygen to produce an oxide.
  8. Also known as redox; a chemical reaction in which the oxidizing agent is reduced (by losing oxygen) and the reducing agent is oxidized (by gaining oxygen).
  9. A substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound.
  10. A colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions.
  11. Sweet, colorless, oily substance used as a solvent and as a moisturizer in skin and body creams.
  12. Liquids that are not capable of being mixed together to form stable solutions.
  13. The separation of an atom or molecule into positive and negative ions.
  14. Abbreviated VOCs; compounds that contain carbon (organic) and evaporate very easily (volatile).
  15. The smallest chemical components (often called particles) of an element; structures that make up the element and have the same properties of the element.
  16. Multiples of 10.
  17. Also known as bases; compounds that react with acids to form salts.
  18. Liquids that are mutually soluble, meaning that they can be mixed together to form stable solutions.
  19. Unstable physical mixtures of undissolved particles in a liquid.
  20. A chemical combination of matter in definite (fixed) proportions.
  21. Oil droplets emulsified in water.
  22. A measure of the acidity and alkalinity of a substance; the pH scale has a range of 0 to 14, with 7 being neutral. A pH below 7 is an acidic solution; a pH above 7 is an alkaline solution.
  23. Molecule containing two or more atoms of the same element in definite (fixed) proportions.
  24. An ingredient that brings two normally incompatible materials together and binds them into a uniform and fairly stable blend.
  25. Any substance that occupies space and has mass (weight).
  26. The abbreviation used for potential hydrogen.
  27. An atom or molecule that carries an electrical charge.

56 Clues: Multiples of 10. • Alcohols that evaporate easily. • Substance that releases oxygen. • Oil droplets emulsified in water. • Water droplets emulsified in oil. • Subatomic particles with no charge. • An ion with a positive electrical charge. • An ion with a negative electrical charge. • Subatomic particles with a positive charge. • Subatomic particles with a negative charge. • ...

Chemical Reactions 2014-03-05

Chemical Reactions crossword puzzle
Across
  1. A form of matter with an indefinite space
  2. A whole number that represents the number of whole molecules
  3. The substance produced in a reaction
  4. A chemical equation in which each side of the equations has the same number of atoms
  5. A form of matter that takes the shape of its container
Down
  1. A form of matter with a defined shape and volume
  2. An equation before it is balanced
  3. The number that represents the number of elementary atoms in one molecule
  4. Chemical formula for water
  5. A substance used to speed up a reaction
  6. The substance present at the start of a reaction
  7. Dissolved in water

12 Clues: Dissolved in water • Chemical formula for water • An equation before it is balanced • The substance produced in a reaction • A substance used to speed up a reaction • A form of matter with an indefinite space • A form of matter with a defined shape and volume • The substance present at the start of a reaction • A form of matter that takes the shape of its container • ...

Photosynthesis 2025-01-13

Photosynthesis crossword puzzle
Across
  1. Represented by an arrow... means gives/makes.
  2. The molecule plants want to make when they do photosynthesis.
  3. The pigment that absorbs light energy.
  4. A reactant that plants absorb through the leaves.
  5. One reason for making glucose.
  6. Something that takes up space and has mass.
  7. Any molecule used in a chemical reaction.
  8. The source of energy for photosynthesis.
Down
  1. One reason for making glucose.
  2. A waste product made during photosynthesis.
  3. Where photosynthesis happens in the cell.
  4. Any molecule made ina chemical reaction.
  5. A reactant that the plant absorbs through the roots.
  6. Micorscopic openings in the leaf for gas exchange.
  7. Made from amino acids.

15 Clues: Made from amino acids. • One reason for making glucose. • One reason for making glucose. • The pigment that absorbs light energy. • Any molecule made ina chemical reaction. • The source of energy for photosynthesis. • Where photosynthesis happens in the cell. • Any molecule used in a chemical reaction. • A waste product made during photosynthesis. • ...

periodic table 2013-05-15

periodic table crossword puzzle
Across
  1. the numbers that shows how many of each kind of atom are in the compound
  2. new substance formed in a chemical reaction
  3. composed of more than one element
  4. the table that shows elements
  5. located on the left sid of the zigzag line
  6. elements on the periodic table arranged numerically by
  7. horizontal rows on the periodic table
  8. not shiny
Down
  1. substances combined in a chemical reaction
  2. ability to be drawn into a wire
  3. can be observed without changing the kind of matter being studied
  4. heat and electricity do not move through them easily
  5. heat and electricity move through them easily
  6. the smallest form of matter
  7. composed of one kind of atom
  8. having a shiny surface
  9. vertical columns on the periodic table
  10. ability to be hammered into different shapes
  11. located on the right side of the zigzag line
  12. breaks easily

20 Clues: not shiny • breaks easily • having a shiny surface • the smallest form of matter • composed of one kind of atom • the table that shows elements • ability to be drawn into a wire • composed of more than one element • horizontal rows on the periodic table • vertical columns on the periodic table • substances combined in a chemical reaction • ...

Study Guide: Chemistry 2016-02-11

Study Guide: Chemistry crossword puzzle
Across
  1. Something mixed to get a reaction
  2. Matter can be changed from one form into another
  3. Mass of atomic particle
  4. Releasing
  5. Smallest particle of a substance
  6. Absorbing
  7. No electrical charge, apart of the nucleus
  8. Formulated periodic law, chemist, and inventor
  9. Substance formed from two elements
  10. Brittle, poor heat conductors
Down
  1. Has negative charge of electricity, travels around nucleus
  2. Putting thin coat of metal around
  3. Number of protons
  4. Electrons in the outer shell of an atom
  5. 2,8,8,2
  6. Part of the nucleus of an atom
  7. Partially conduct electricity
  8. Column of elements
  9. Outcome of chemical reaction
  10. He, Ne, Ar, Kr, Xe, Rn, Uuo
  11. Left hnadside, 1-7
  12. Positively charged central portion of an atom, atomic mass consists of protons and neutrons
  13. Subdivision of a nuclear shell containing zero, one, or two electrons
  14. Smallest particle in chemical element

24 Clues: 2,8,8,2 • Releasing • Absorbing • Number of protons • Column of elements • Left hnadside, 1-7 • Mass of atomic particle • He, Ne, Ar, Kr, Xe, Rn, Uuo • Outcome of chemical reaction • Partially conduct electricity • Brittle, poor heat conductors • Part of the nucleus of an atom • Smallest particle of a substance • Putting thin coat of metal around • Something mixed to get a reaction • ...

random science 2022-07-20

random science crossword puzzle
Across
  1. - a type of wave
  2. - what do we breathe in?
  3. - short for microorganisms
  4. - heat exiting a chemical reaction
  5. the process of a solid turning into a liquid
  6. - what reproduces every 20 minutes
  7. - a disease transmitted through water
  8. - the element LV on the periodic table
  9. - these aren't affected by antibiotics
  10. engulfs and digests pathogens
  11. - the number of waves per second
Down
  1. - The element P on the periodic table
  2. - produces memory cells and antibodies
  3. - The scientist that discovered Cow pox
  4. - turning effect of a force
  5. - a green colour on the ph scale
  6. powers our houses and machines including ovens and washing machines
  7. - what a microorganism causes.
  8. - the ability to release energy at a fast pace without oxygen.
  9. - absorbing heat in a chemical reaction
  10. - the conditions that kill pathogens
  11. - used to predict whether something will float in water.
  12. - an extinct bird

23 Clues: - a type of wave • - an extinct bird • - what do we breathe in? • - short for microorganisms • - turning effect of a force • engulfs and digests pathogens • - what a microorganism causes. • - a green colour on the ph scale • - the number of waves per second • - heat exiting a chemical reaction • - what reproduces every 20 minutes • - the conditions that kill pathogens • ...

Brooklyn Livingston Unit 2 2025-03-25

Brooklyn Livingston Unit 2 crossword puzzle
Across
  1. When the active site is changed.
  2. Only allows certain molecules across the membrane
  3. When cells are combined.
  4. When tissues are combined
  5. A type of diffusion that involves water
  6. When organelles are combined
  7. Water-loving head and hating tail.
  8. the 2 part of a chemical reaction
  9. Molecules move from higher concentrated areas to lower concentrated areas
  10. When molecules are combined
  11. The long period to build up energyto activate the energy
  12. 1 of the 2 main parts of a chemical reaction
Down
  1. special proteins
  2. A method of moving molecules across the membrane
  3. A solution outside a cell that is not salty or sugary
  4. When cells spend energy(ATP)to move molecules.
  5. A solution outside a cell is really salty or sugary
  6. the basic unit of matter
  7. The special region of any enzyme
  8. When atoms are combined
  9. When the organs are combined

21 Clues: special proteins • When atoms are combined • When cells are combined. • the basic unit of matter • When tissues are combined • When molecules are combined • When organelles are combined • When the organs are combined • When the active site is changed. • The special region of any enzyme • the 2 part of a chemical reaction • Water-loving head and hating tail. • ...

This Week in Science 2024-10-04

This Week in Science crossword puzzle
Across
  1. _________ point is solid to liquid
  2. An bigger or smaller illustration of a scientific system
  3. Smallest unit of measure
  4. Two or more elements
  5. What do you do with length, width, and height to get density
  6. H2O is the chemical_________of water
  7. How many states of matter?
  8. A number you will not see in a formula
  9. The space something fills up
  10. Does it bend?
  11. An atom that comes in two
  12. In a chemical reaction a new_______is formed
  13. The size of a model, relative to real size
  14. What will mass divided by volume give us?
Down
  1. ___________ point is liquid to gas
  2. Two or more atoms
  3. Does it burn?
  4. A natural gas that is burned in a flare
  5. Mercury is a ___________ at room temp
  6. Properties that require a reaction
  7. H is the ____________ for hydrogen
  8. Pure substance
  9. In grams. It is measured on a scale.
  10. The centimeters are_______for volume

24 Clues: Does it burn? • Does it bend? • Pure substance • Two or more atoms • Two or more elements • Smallest unit of measure • An atom that comes in two • How many states of matter? • The space something fills up • ___________ point is liquid to gas • _________ point is solid to liquid • Properties that require a reaction • H is the ____________ for hydrogen • ...

Chemical Bonds 2022-02-13

Chemical Bonds crossword puzzle
Across
  1. Chemical reaction that requires chemical bonds releasing heat.
  2. Links between atoms that determine its identity.
  3. Group of atoms bonding together.
  4. Chemical reaction that requires energy.
Down
  1. The formula for a molecule. ex: CO2, H2O
  2. Electrons on the outermost shell of an atom.
  3. A change in its identity, forming a new substance.
  4. Particles that make up everything and consist of three sub particles, protons, neutrons, electrons.
  5. Sharing valence electrons
  6. Transferring valence electrons

10 Clues: Sharing valence electrons • Transferring valence electrons • Group of atoms bonding together. • Chemical reaction that requires energy. • The formula for a molecule. ex: CO2, H2O • Electrons on the outermost shell of an atom. • Links between atoms that determine its identity. • A change in its identity, forming a new substance. • ...

Spelling word 2024-08-20

Spelling word crossword puzzle
Across
  1. to promote a company or brand
  2. to break down a compound buy a chemical reaction with water
  3. a chemical decomposition produced by an electric current
  4. to explain something in detail
Down
  1. an agreement between two people
  2. to measure the amount of alcohol in the body
  3. Giving guidance to someone
  4. to feel contempt about something or someone
  5. The loss of the ability to move or feel in that body part
  6. to cause a chemical reaction

10 Clues: Giving guidance to someone • to cause a chemical reaction • to promote a company or brand • to explain something in detail • an agreement between two people • to feel contempt about something or someone • to measure the amount of alcohol in the body • a chemical decomposition produced by an electric current • The loss of the ability to move or feel in that body part • ...

Chem vocab 1 2022-10-13

Chem vocab 1 crossword puzzle
Across
  1. charged atom
  2. a Solution containing an excess of solute
  3. Substance that dissolves a solute
  4. elactron in the outer energy level
  5. atom with an abnormal number of neutrons
  6. an ionic compound
  7. a solution that contains less solute than a saturated solution
  8. the process by which ions are formed by gain or loss of an electron
  9. positive ion, formed from metals
  10. The substance that is dissolved in a solution
Down
  1. Conducts electricity,
  2. negative ion, formed from nonmetals
  3. Solution containing the maximum amount of solute capable of being dissolved under given conditions
  4. a substance that forms in a chemical reaction
  5. row in the periodic table
  6. column in the periodic table
  7. negatively charged subatomic particle
  8. the maximum quantity of a substance that may be dissolved in another
  9. positivelycharged subatomic particle
  10. a substance or molecule that participates in a chemical reaction

20 Clues: charged atom • an ionic compound • Conducts electricity, • row in the periodic table • column in the periodic table • positive ion, formed from metals • Substance that dissolves a solute • elactron in the outer energy level • negative ion, formed from nonmetals • positivelycharged subatomic particle • negatively charged subatomic particle • atom with an abnormal number of neutrons • ...

Chapter 1 Chem Menu 2021-10-11

Chapter 1 Chem Menu crossword puzzle
Across
  1. the adjective for a mixture
  2. the amount of space something takes up
  3. this has a defined shape and volume
  4. really hot gas
  5. difference in a substance after a reaction
  6. a type of atom defined by the amount of protons
  7. two or more substances that are dissolved
  8. properties or changes that involve changes in the chemical formula
  9. multiple different types of atoms in a molecule
Down
  1. an interaction between compounds
  2. the adjective for a solution
  3. it makes up everything tangible in the universe
  4. this does not have a volume or mass
  5. aspect of a substance
  6. the amount of mass packed into a volume
  7. two or more substances not dissolved
  8. properties or changes that involve states of matter or shape
  9. two or more atoms bonded
  10. the amount of matter
  11. this has a defined volume, but not shape

20 Clues: really hot gas • the amount of matter • aspect of a substance • two or more atoms bonded • the adjective for a mixture • the adjective for a solution • an interaction between compounds • this does not have a volume or mass • this has a defined shape and volume • two or more substances not dissolved • the amount of space something takes up • the amount of mass packed into a volume • ...

Unit 2 Nicholas Ellis 2023-04-04

Unit 2 Nicholas Ellis crossword puzzle
Across
  1. when tissues combine they make this
  2. diffusion of water
  3. forms the basis of cell membranes
  4. fits into the active site
  5. energy required to activate the reaction
  6. multiple organ systems
  7. if the temperature of the active site or its ph levels are different then the shape of the active site will change shape
  8. proteins that speed up chemical reactions
  9. no energy is used with this transportation
  10. site the substrate fits into this
  11. controls what enters cells
Down
  1. when organs combine they make this
  2. moves from high concentration to love concentration
  3. fears water
  4. likes water
  5. when energy is used with this transportation
  6. result of the chemical reaction
  7. when atoms combine they make this
  8. cells combine to make these
  9. when Molecules combine they make this
  10. the basic units of matter
  11. organelles combine and make this also called the basic unit of life

22 Clues: fears water • likes water • diffusion of water • multiple organ systems • fits into the active site • the basic units of matter • controls what enters cells • cells combine to make these • result of the chemical reaction • forms the basis of cell membranes • when atoms combine they make this • site the substrate fits into this • when organs combine they make this • ...

Unit 2 Nicholas Ellis 2023-04-04

Unit 2 Nicholas Ellis crossword puzzle
Across
  1. when tissues combine they make this
  2. diffusion of water
  3. forms the basis of cell membranes
  4. fits into the active site
  5. energy required to activate the reaction
  6. multiple organ systems
  7. if the temperature of the active site or its ph levels are different then the shape of the active site will change shape
  8. proteins that speed up chemical reactions
  9. no energy is used with this transportation
  10. site the substrate fits into this
  11. controls what enters cells
Down
  1. when organs combine they make this
  2. moves from high concentration to love concentration
  3. fears water
  4. likes water
  5. when energy is used with this transportation
  6. result of the chemical reaction
  7. when atoms combine they make this
  8. cells combine to make these
  9. when Molecules combine they make this
  10. the basic units of matter
  11. organelles combine and make this also called the basic unit of life

22 Clues: fears water • likes water • diffusion of water • multiple organ systems • fits into the active site • the basic units of matter • controls what enters cells • cells combine to make these • result of the chemical reaction • forms the basis of cell membranes • when atoms combine they make this • site the substrate fits into this • when organs combine they make this • ...

Bioenergetics 2023-05-12

Bioenergetics crossword puzzle
Across
  1. Limiting factor of photosynthesis
  2. Type of plant cell where most photosynthesis occurs
  3. Green pigment found in some plant cells that absorbs light
  4. Sub-cellular structure where photosynthesis occurs
  5. Sum of all chemical reactions in the body
  6. Type of plant cell where no photosynthesis occurs
  7. What the enzymes will lack if temperature is too low
  8. Type of chemical reaction photosynthesis is
  9. Product of anaerobic respiration in yeast and plants
Down
  1. Reaction in all eukaryotic organism which transfers energy
  2. Limiting factor of photosynthesis
  3. Sugar molecule produced by photosynthesis
  4. Waste product of photosynthesis
  5. Product of anaerobic respiration in animals
  6. The most efficient type of respiration
  7. Reactent in the photosynthesis equation
  8. ... rate increases during exercise
  9. Reactant in the photosynthesis equation
  10. Type of respiration which requires no oxygen
  11. Energy source needed for photosynthesis
  12. What the enzyme will do if temperature is too high

21 Clues: Waste product of photosynthesis • Limiting factor of photosynthesis • Limiting factor of photosynthesis • ... rate increases during exercise • The most efficient type of respiration • Reactent in the photosynthesis equation • Reactant in the photosynthesis equation • Energy source needed for photosynthesis • Sugar molecule produced by photosynthesis • ...

Crossword Puzzle 2016-10-04

Crossword Puzzle crossword puzzle
Across
  1. Any of the basic unit of matter and energy
  2. Large number at beginning of a chemical formula
  3. 2 or more molecules reacting with one another
  4. The basic unit of a chemical element
  5. Substances that are around at the beginning of a reaction
  6. A particle smaller than an Atom
  7. A force of Attraction that holds atoms together
  8. The smallest unit of a compound
  9. A substance made of atoms that are all the same
  10. The Atoms center
Down
  1. Something way bigger on earth than moon
  2. The scale on which you can decide whether or not a substance is an acid or a base.
  3. can not be divided
  4. Characteristic of a substance that is observed physically
  5. Render
  6. How much matter a substance has
  7. To the lower right of an element
  8. cloud Used to describe where electrons are
  9. A subatomic particle
  10. To push back or away by a force

20 Clues: Render • The Atoms center • can not be divided • A subatomic particle • How much matter a substance has • A particle smaller than an Atom • The smallest unit of a compound • To push back or away by a force • To the lower right of an element • The basic unit of a chemical element • Something way bigger on earth than moon • Any of the basic unit of matter and energy • ...

Chemistry 2024-12-12

Chemistry crossword puzzle
Across
  1. state of matter with definite shape and volume
  2. process where liquid changes into a gas
  3. smallest unit of an element
  4. starting substances in a chemical reaction
  5. relating reactants and products in reactions
  6. process where gas changes into a liquid
  7. two or more atoms bonded together
  8. single compound breaks down into elements
  9. process where solid changes into liquid
  10. bond where atoms share electrons
  11. neutral particle in an atom nucleus
Down
  1. substances formed in a chemical reaction
  2. state of matter with volume but no fixed shape
  3. a state of matter with no fixed shape or volume
  4. negatively charged particle orbiting the nucleus
  5. process where liquid changes into a solid
  6. positively charged particle in an atom nucleus
  7. substance that cannot be broken down further
  8. bond where atoms transfer electrons
  9. atom or molecule with a net electric charge
  10. unit of measurement where grams equal element amu

21 Clues: smallest unit of an element • bond where atoms share electrons • two or more atoms bonded together • bond where atoms transfer electrons • neutral particle in an atom nucleus • process where liquid changes into a gas • process where gas changes into a liquid • process where solid changes into liquid • substances formed in a chemical reaction • ...

Erin's crossword. 2026-02-27

Erin's crossword. crossword puzzle
Across
  1. hold two or more atoms together to form a chemical bond
  2. the row in periodic table
  3. when compound is heated and breaks down into smaller products
  4. non-reactive
  5. have no charge
  6. reactants transform into products
  7. made of two or more that are chemically bonded together
  8. arrangement of element in increasing atomic number
  9. burning of substance in the presence of oxygen
  10. final substance produced after a reaction occured
  11. when a substance reacts with oxygen/oxidising substance
Down
  1. both metal and non metal
  2. fizzing/bubbling/ gas released
  3. substance that can't be broken down into another substance
  4. when the mass stays the same in a chemical reaction
  5. always have a complete outshell
  6. unreactive and in period 1 in periodic table
  7. have the same number of protons but different numbers of neutrons
  8. non-medal but conducts electricity
  9. temperature where substances melt

20 Clues: non-reactive • have no charge • both metal and non metal • the row in periodic table • fizzing/bubbling/ gas released • always have a complete outshell • reactants transform into products • temperature where substances melt • non-medal but conducts electricity • unreactive and in period 1 in periodic table • burning of substance in the presence of oxygen • ...

Energetics 2022-08-16

Energetics crossword puzzle
Across
  1. heat change in a chemical reaction is the same regardless of the number of stages in which the reaction is effected
  2. amount of heat that is released or absorbed during the dissolving process (at constant pressure)
  3. amount of energy required to completely separate one mole of the solid ionic compound into constituent gaseous ions
  4. gradual thinning of Earth's ozone layer in the upper atmosphere caused by the release of chemical compounds containing gaseous chlorine or bromine from industry and other human activities
  5. heat energy given out when one mole of a substance burns completely in oxygen
  6. no reactants or products can escape, only heat can be exchanged freely
  7. heat energy and matter can transfer freely between the surrounding and the containers
  8. Chemical reactions that absorb (or use) energy overall
  9. reaction can take place by more than one route from the same initial and final conditions then the total enthalpy change is the same for each route
  10. cycle of enthalpy change of process that leads to the formation of a solid crystalline ionic compound from the elemental atoms in their standard state and of the enthalpy of formation of the solid compound such that the net enthalpy becomes zero
Down
  1. quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases 1 K (or 1 °C)
  2. standard reaction enthalpy for the formation of the compound from its elements (atoms or molecules) in their most stable reference states at the chosen temperature (298.15K) and at 1bar pressure
  3. amount of energy released on dilution of one mole of gaseous ions
  4. measure of a system's thermal energy per unit temperature that is unavailable for doing useful work
  5. difference between total reactant and total product molar enthalpies
  6. Chemical reactions that release energy
  7. ratio of heat absorbed by a material to the temperature change
  8. amount of energy stored in a bond between atoms in a molecule

18 Clues: Chemical reactions that release energy • Chemical reactions that absorb (or use) energy overall • amount of energy stored in a bond between atoms in a molecule • ratio of heat absorbed by a material to the temperature change • amount of energy released on dilution of one mole of gaseous ions • difference between total reactant and total product molar enthalpies • ...

Unit 2 vocabulary 2024-09-18

Unit 2 vocabulary crossword puzzle
Across
  1. a substance that can neutralize the acid by reacting with hydrogen ions.
  2. complex molecules and do most of the work in cells.
  3. The substances which participate in a chemical reaction
  4. A molecule that is the basic building block of the nucleic acids DNA and RNA.
  5. atoms or small molecules that bond together to form more complex structures such as polymers
  6. the molecule that carries genetic information for the development and functioning of an organism (DNA)
  7. a biological catalyst that is usually a protein but could be RNA.
  8. molecules that combine to form proteins.
  9. any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, which are multiples of simpler chemical units called monomers.
  10. naturally occurring chemical compounds that serve as the main information-carrying molecules of the cell.
Down
  1. a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
  2. an organic compound such as sugar or starch, and is used to store energy.
  3. a solution that resists changes in pH
  4. any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.
  5. the surface on which an organism (such as a plant, fungus, or animal) lives.
  6. end substances after a biological process has occurred.
  7. the simplest forms of sugar and the most basic units (monomers) from which all carbohydrates are built.
  8. a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O).
  9. long chains of carbohydrate molecules, composed of several smaller monosaccharides.
  10. A chemical that gives off hydrogen ions in water and forms salts by combining with certain metals.
  11. a substance that speeds up a chemical reaction, or lowers the temperature or pressure needed to start one, without itself being consumed during the reaction.
  12. the amount of energy required to reach the transition state.
  13. a substance that does not contain both carbon and hydrogen.
  14. fatty compounds that perform a variety of functions in your body.

24 Clues: a solution that resists changes in pH • molecules that combine to form proteins. • complex molecules and do most of the work in cells. • end substances after a biological process has occurred. • The substances which participate in a chemical reaction • a substance that does not contain both carbon and hydrogen. • ...

9.1 Vocabulary Review 2025-03-11

9.1 Vocabulary Review crossword puzzle
Across
  1. the ratio of the actual yield to the theoretical yield, multiplied by 100
  2. the reactant that limits the amounts of the other reactants that can combine and the amount of product that can form in a chemical reaction
  3. used to fine the mass relationships of elements in compounds
  4. involves the mass relationships between reactants and products in a chemical reaction
Down
  1. the maximum amount of product that can be produced from a given amount of reactant
  2. the left over reactant in a reaction
  3. is a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
  4. satisfy the law of conservation of matter and represent the relative amounts in moles of reactants and products
  5. mass is the conversion factor that relates the mass of a substance to the amount in moles of that substance
  6. the measured amount of a product obtained from a reaction

10 Clues: the left over reactant in a reaction • the measured amount of a product obtained from a reaction • used to fine the mass relationships of elements in compounds • the ratio of the actual yield to the theoretical yield, multiplied by 100 • the maximum amount of product that can be produced from a given amount of reactant • ...

Chemistry Keywords 2013-05-02

Chemistry Keywords crossword puzzle
Across
  1. a chemical element with symbol N and atomic number 7
  2. What is the name given to a substance made from different atoms chemically joined
  3. CO2
  4. Any process in which a substance reacts with oxygen to produce a significant rise in temperature and the emission of light
  5. What is a atom or molecule with a electrical charge
  6. Used to show the rule that a fire needs three things to burn
  7. The formation of red, yellow, or brown iron oxide minerals by oxidation of mineral deposits
  8. What is a substance made up of only on kind of atom
Down
  1. Relating to a chemical reaction that absorbs heat.
  2. Relating to a chemical reaction that releases heat.
  3. a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range.
  4. O2
  5. a form of Sherardizing, provides a zinc coating on iron or copper based materials
  6. what is a small partical that all substances are made from
  7. What is the simplest unit of a chemical compound that can exist, consisting of two or more atoms held together by chemical bonds
  8. What is a group of different atoms that are not chemically joined

16 Clues: O2 • CO2 • Relating to a chemical reaction that absorbs heat. • Relating to a chemical reaction that releases heat. • What is a atom or molecule with a electrical charge • What is a substance made up of only on kind of atom • a chemical element with symbol N and atomic number 7 • what is a small partical that all substances are made from • ...

Stoichiometry & Biodiversity 2024-10-26

Stoichiometry & Biodiversity crossword puzzle
Across
  1. The variety of life in a particular habitat or ecosystem, including the number of species, genetic diversity, and ecosystem diversity.
  2. A substance that is formed as a result of a chemical reaction.
  3. An imaginary line that separates the ecozones of Asia and Australia, marked by a notable difference in the species found on either side.
  4. A group of organisms that can interbreed and produce fertile offspring.
  5. A substance that undergoes a chemical change in a reaction.
  6. The calculation of the quantities of reactants and products in chemical reactions based on balanced equations.
  7. The simplest whole-number ratio of atoms of each element in a compound.
  8. An imaginary line that divides the Earth into the Northern and Southern Hemispheres, located at 0 degrees latitude.
  9. Line A proposed boundary separating the distribution of certain species, typically used to differentiate areas of significant ecological change or biogeographical zones.
  10. A designated area, usually square or rectangular, used for sampling in ecological research. Researchers use these small plots to study plant and animal populations.
Down
  1. A type of chemical bond formed when one atom donates an electron to another atom, resulting in the attraction between positively charged ions (cations) and negatively charged ions (anions).
  2. Island in Indonesia that has most of Indonesia's biodiversity
  3. A unit that measures the amount of substance, equivalent to 6.02×10^23 particles.
  4. Scientist that said "In a chemical reaction, matter is neither created nor destroyed; the total mass of reactants equals the total mass of products."
  5. A type of chemical bond formed when two atoms share one or more pairs of electrons, allowing them to achieve a full outer shell of electrons.
  6. Scientist that develop a way to calculate biodiversity.
  7. The variety of genes within a species, crucial for adaptability and survival.
  8. Scientist that said "When two elements form more than one compound, the different masses of one element that combine with a fixed mass of the other element are in simple whole-number ratios."
  9. Scientist that said "A chemical compound always contains the same proportion of elements by mass, regardless of the amount or source of the compound."
  10. The relative number of individuals of each species in a given area, indicating how common or rare each species is compared to others.

20 Clues: Scientist that develop a way to calculate biodiversity. • A substance that undergoes a chemical change in a reaction. • Island in Indonesia that has most of Indonesia's biodiversity • A substance that is formed as a result of a chemical reaction. • A group of organisms that can interbreed and produce fertile offspring. • ...

Chapter 12 Enzymes: The Protein Catalyst 2025-01-27

Chapter 12 Enzymes: The Protein Catalyst crossword puzzle
Across
  1. Positively and negatively ions in solution.
  2. Soaking food in flavorful solution
  3. The naming system for organic chemistry
  4. The energy needed to start a reaction
  5. A process that changes the shape of protein molecules
  6. The substance on which the enzyme acts
  7. Any substance that will prevent the enzyme-substrate complex from forming
  8. Briefly plunging food into boiling water to stop enzyme activity.
  9. A substance that can accept hydrogen ions in water and can neutralize an acid
Down
  1. Enzymes that only react in the presence of oxygen
  2. When the enzyme polyphenol oxidase reacts with oxygen
  3. A substance that must be present for an enzymatic reaction to occur.
  4. A molecule made of amino acids
  5. A molecule that can give a proton or accept an election during a reaction
  6. A specialized protein that speeds up or starts a chemical reaction without being changed by it.
  7. The location where the substrate attaches to the enzyme
  8. The process of breaking down food in your body by mechanical and enzymatic action
  9. A substance that speeds up a reaction between substances without being affected by the reaction.
  10. Sugar molecules
  11. A molecule that binds to water and can be used to prevent food spoilage

20 Clues: Sugar molecules • A molecule made of amino acids • Soaking food in flavorful solution • The energy needed to start a reaction • The substance on which the enzyme acts • The naming system for organic chemistry • Positively and negatively ions in solution. • Enzymes that only react in the presence of oxygen • When the enzyme polyphenol oxidase reacts with oxygen • ...

Electrochemistry 2025-02-04

Electrochemistry crossword puzzle
Across
  1. An electrode that does not take part in the reaction but serves as a conductor, such as platinum or graphite.
  2. A substance that dissolves in water to produce a solution that can conduct electricity.
  3. A term relating to numerical data or measurements in chemistry, such as the amount of substance deposited during electrolysis.
  4. A negatively charged ion that moves towards the anode during electrolysis.
  5. The ability of a material to allow electric current to pass through it.
  6. A system where electrical energy is used to drive a non-spontaneous chemical reaction.
  7. The breakdown of a compound into simpler substances, often using electrolysis.
  8. The process of coating an object with a thin layer of metal using electrolysis.
  9. The electrode where reduction occurs during electrolysis; it attracts cations.
  10. An equation that shows either the oxidation or reduction process in an electrochemical reaction.
Down
  1. A device that converts chemical energy from a fuel, such as hydrogen, into electrical energy through a redox reaction.
  2. A substance that does not conduct electricity when dissolved in water because it does not form ions.
  3. A substance that allows electric current to flow through it easily, usually a metal.
  4. The process of using electricity to cause a chemical change, usually the decomposition of a compound into its elements.
  5. The electrode where oxidation occurs during electrolysis; it attracts anions.
  6. A positively charged ion that moves towards the cathode during electrolysis.
  7. A compound composed of only two elements.
  8. A material that does not allow electric current to pass through it, such as plastic or rubber.
  9. The conductive materials, usually metal or graphite, placed in an electrolyte to allow electricity to flow in or out.

19 Clues: A compound composed of only two elements. • The ability of a material to allow electric current to pass through it. • A negatively charged ion that moves towards the anode during electrolysis. • A positively charged ion that moves towards the cathode during electrolysis. • The electrode where oxidation occurs during electrolysis; it attracts anions. • ...

Unit 2 Vocabulary Practice 2023-10-10

Unit 2 Vocabulary Practice crossword puzzle
Across
  1. substance(s) resulting from a chemical reaction.
  2. the number written to the right and slightly below an element in a chemical formula; represents the number of atoms of an element.
  3. Change, the formation of a new substance with different properties.
  4. Change, a change that occurs but does not change the substance chemically; can be undone.
  5. a pure substance that cannot be broken down chemically into simpler substances.
  6. Substances that are combined and changed during a chemical reaction.
  7. Reaction, a change caused by the interaction of two or more substances (reactants) resulting in the formation of new substances (products).
Down
  1. the formation of solids from 2 liquids.
  2. combined atoms of the same element.
  3. the number placed in front of a chemical formula in a chemical equation; represents the number of molecules of that substance.
  4. a substance made of two or more elements.
  5. of Conservation of Mass, matter is not created or destroyed; only rearranged.
  6. Formula, a representation of a molecule or compound in which elements are represented by symbol and subscripts.
  7. Equation, a representation of a chemical reaction by symbols and numbers.

14 Clues: combined atoms of the same element. • the formation of solids from 2 liquids. • a substance made of two or more elements. • substance(s) resulting from a chemical reaction. • Change, the formation of a new substance with different properties. • Substances that are combined and changed during a chemical reaction. • ...

Vitamins 2023-02-26

Vitamins crossword puzzle
Across
  1. any basic substance that is used in or produced by a reaction involving changes to atoms or molecules
  2. a part of the body of an animal or plant that performs a particular job
  3. the production of a substance from simpler materials after a chemical reaction
  4. soluble in oils or fats
  5. any of a group of chemical substances that are produced by living cells and which cause particular chemical reactions to happen
  6. that can be dissolved in water
  7. all the chemical processes in your body, especially those that cause food to be used for energy and growth
  8. able to be bought or used
  9. not natural
  10. inside the body
  11. the smallest basic unit of a plant or animal
  12. of, on, for, or coming from the outside
Down
  1. to have control and authority over something or someone and the duty of taking care of it, him, or her
  2. a living thing that grows in earth, in water, or on other plants, usually has a stem, leaves, roots, and flowers, and produces seeds
  3. not thinking enough or not worrying about the possible results of what you do
  4. as found in nature and not involving anything made or done by people
  5. in physics, the capacity for doing work.
  6. a situation in which you are protected against disease or from legal action
  7. a state where things are of equal weight or force
  8. something that lives and moves but is not a human, bird, fish, or insect

20 Clues: not natural • inside the body • soluble in oils or fats • able to be bought or used • that can be dissolved in water • of, on, for, or coming from the outside • in physics, the capacity for doing work. • the smallest basic unit of a plant or animal • a state where things are of equal weight or force • as found in nature and not involving anything made or done by people • ...

Cellular Respiration Crossword 2023-04-20

Cellular Respiration Crossword crossword puzzle
Across
  1. the natural compound present in green plants that gives them their color.
  2. green pancakes
  3. a type of sugar you get from foods you eat, and your body uses it for energy.
  4. the breakdown of glucose by enzymes, releasing energy and pyruvic acid.
  5. the fluid filling up the inner space of the chloroplasts.
  6. The second stage of photosynthesis
  7. The first stage of photosynthesis
  8. also known as the Krebs cycle
  9. A chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight.
  10. a plastid that contains chlorophyll and in which photosynthesis takes place.
Down
  1. provides energy for many metabolic processes and is involved in making RNA, also called adenosine triphosphate.
  2. state of steady internal, physical, chemical, and social conditions
  3. A chemical process in which oxygen is used to make energy from carbohydrates.
  4. a metabolic process that produces chemical changes in organic substances.
  5. a series of protein complexes and other molecules that transfer electrons.
  6. relating to, involving, or requiring an absence of free oxygen.
  7. relating to, involving, or requiring free oxygen.
  8. Small structures in a cell that are found in the cytoplasm.
  9. an important organic compound in metabolism and is essential to the flow of energy in living cells, also known as Adenosine Phosphate.
  10. chemical process by which molecules are broken down into smaller units through the absorption of light.

20 Clues: green pancakes • also known as the Krebs cycle • The first stage of photosynthesis • The second stage of photosynthesis • relating to, involving, or requiring free oxygen. • the fluid filling up the inner space of the chloroplasts. • Small structures in a cell that are found in the cytoplasm. • relating to, involving, or requiring an absence of free oxygen. • ...

Cellular Respiration Crossword 2023-04-20

Cellular Respiration Crossword crossword puzzle
Across
  1. the natural compound present in green plants that gives them their color.
  2. green pancakes
  3. a type of sugar you get from foods you eat, and your body uses it for energy.
  4. the breakdown of glucose by enzymes, releasing energy and pyruvic acid.
  5. the fluid filling up the inner space of the chloroplasts.
  6. The second stage of photosynthesis
  7. The first stage of photosynthesis
  8. also known as the Krebs cycle
  9. A chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight.
  10. a plastid that contains chlorophyll and in which photosynthesis takes place.
Down
  1. provides energy for many metabolic processes and is involved in making RNA, also called adenosine triphosphate.
  2. state of steady internal, physical, chemical, and social conditions
  3. A chemical process in which oxygen is used to make energy from carbohydrates.
  4. a metabolic process that produces chemical changes in organic substances.
  5. a series of protein complexes and other molecules that transfer electrons.
  6. relating to, involving, or requiring an absence of free oxygen.
  7. relating to, involving, or requiring free oxygen.
  8. Small structures in a cell that are found in the cytoplasm.
  9. an important organic compound in metabolism and is essential to the flow of energy in living cells, also known as Adenosine Phosphate.
  10. chemical process by which molecules are broken down into smaller units through the absorption of light.

20 Clues: green pancakes • also known as the Krebs cycle • The first stage of photosynthesis • The second stage of photosynthesis • relating to, involving, or requiring free oxygen. • the fluid filling up the inner space of the chloroplasts. • Small structures in a cell that are found in the cytoplasm. • relating to, involving, or requiring an absence of free oxygen. • ...

Chemistry 2012-11-03

Chemistry crossword puzzle
Across
  1. chemical formulas that show the arrangements of atoms in molecules
  2. definite shape, definite volume
  3. principle that states electron enter orbitals of the lowest energy level first
  4. negatively charged atom
  5. starting substance in a chemical reaction is called
  6. used to write chemical formulas shorthanded
  7. the lowest energy level
  8. substance in the gaseous state, liquid or solid at room temperature
  9. compound of sodium and chlorine
  10. Atoms will lose, gain or share electrons to achieve the electron configuration of the nearest noble gas
  11. matter that has a uniform and definite composition
  12. deoxyribose nucleic acid
  13. consist of DNA
  14. the distance between the crests
Down
  1. attraction between atoms that allows the formation of chemical substances that contain two or more atoms
  2. amount of matter the object contains
  3. electrons in the highest occupied energy level
  4. reaction where one or more substance change into new substance
  5. anything that has mass or takes up shape
  6. the substance formed in a chemical reation is called
  7. indefinite shape, definite volume
  8. charged atoms
  9. the "electron shells" of an atom
  10. light quanta
  11. the number of wave cycles to pass a given point per unit of time
  12. the wave's height from the origin to the crest
  13. group 8 has 8 valence electron
  14. positively charged atom
  15. energy needed to move an electron from 1 energy level to a higher energy level
  16. indefinite shape, indefinite volume

30 Clues: light quanta • charged atoms • consist of DNA • negatively charged atom • the lowest energy level • positively charged atom • deoxyribose nucleic acid • group 8 has 8 valence electron • definite shape, definite volume • compound of sodium and chlorine • the distance between the crests • the "electron shells" of an atom • indefinite shape, definite volume • ...

Chemistry Unit One Vocabulary 2026-03-24

Chemistry Unit One Vocabulary crossword puzzle
Across
  1. Definite Volume no Definite Shape
  2. Horizontal Rows of the Periodic Table
  3. Smallest Component
  4. A reaction in which one or more substances are converted into different substances
  5. Substances that react in a chemical change
  6. Substance
  7. Substances formed by the chemical change
Down
  1. Substance's Ability to Undergo Changes
  2. Definite Volume and Shape
  3. Pure Substance
  4. Amount of Matter
  5. Anything with Mass
  6. Vertical Columns of the Periodic Table
  7. Neither Definite Volume or Definite Shape
  8. Topic

15 Clues: Topic • Substance • Pure Substance • Amount of Matter • Smallest Component • Anything with Mass • Definite Volume and Shape • Definite Volume no Definite Shape • Horizontal Rows of the Periodic Table • Substance's Ability to Undergo Changes • Vertical Columns of the Periodic Table • Substances formed by the chemical change • Neither Definite Volume or Definite Shape • ...

9.3 Decomposition Reactions 2025-02-27

9.3 Decomposition Reactions crossword puzzle
Across
  1. decomposes into a metal oxide and water
  2. a type of chemical reaction in which a single reactant breaks apart into two or more products
  3. decomposes into a metal oxide and carbon dioxide
  4. the shape that is used to represent heat being added to a chemical reaction
  5. decomposes into water and oxygen to kill bacteria
  6. decomposes into hydrogen and oxygen
Down
  1. this process carried out by plants includes the decomposition of water to produce oxygen
  2. a decomposition reaction has two or more of these
  3. decomposes during baking to produce water vapor and carbon dioxide bubbles
  4. the process of using electricity to cause a compound to decompose
  5. the decomposition of this molecule releases a lot of energy in the form of an explosion
  6. a decomposition reaction has one of these

12 Clues: decomposes into hydrogen and oxygen • decomposes into a metal oxide and water • a decomposition reaction has one of these • decomposes into a metal oxide and carbon dioxide • a decomposition reaction has two or more of these • decomposes into water and oxygen to kill bacteria • the process of using electricity to cause a compound to decompose • ...

Kitchina Castin 2022-03-08

Kitchina Castin crossword puzzle
Across
  1. two non metals
  2. the maximum amount of product that can be produced based on the limiting reactant
  3. mass of one mole of a substance
  4. metal and non metal
  5. moles plus particles
Down
  1. study of ratios in chemical reactions
  2. the ratio of coefficients in a chemical reaction
  3. the substance that will be used up first in a chemical reaction
  4. lowest whole number ratio of elements within a compound
  5. multiple of an empirical formula

10 Clues: two non metals • metal and non metal • moles plus particles • mass of one mole of a substance • multiple of an empirical formula • study of ratios in chemical reactions • the ratio of coefficients in a chemical reaction • lowest whole number ratio of elements within a compound • the substance that will be used up first in a chemical reaction • ...

Chemistry Part 1 2025-06-30

Chemistry Part 1 crossword puzzle
Across
  1. a change in the form or physical properties of a substance without a chemical reaction or the creation of a new substance
  2. any substance that occupies space and has mass
  3. a change in the chemical composition or make-up of a substance
  4. subatomic particles with a positive charge
  5. the smallest chemical components (particles) of an element; structures that make up the element and have the same properties of the element
  6. the simplest form of matter; cannot be broken down into a simpler substance without a loss of identity
  7. a chemical combination of two or more atoms in definite (fixed) proportions
Down
  1. compounds; a chemical combination of two or more atoms of different elements in definite (fixed) proportions
  2. molecules containing two or more atoms of the same element in definite (fixed) proportions
  3. subatomic particles with a negative charge
  4. characteristics that can be determined without a chemical reaction and that do not cause a chemical change in the substance
  5. subatomic particles with no charge
  6. science that deals with the composition, structures, and properties of matter and how matter changes under different conditions

13 Clues: subatomic particles with no charge • subatomic particles with a negative charge • subatomic particles with a positive charge • any substance that occupies space and has mass • a change in the chemical composition or make-up of a substance • a chemical combination of two or more atoms in definite (fixed) proportions • ...

Aubrey 2.1 vocab 2021-10-26

Aubrey 2.1 vocab crossword puzzle
Across
  1. absorbs heat energy
  2. gives off heat energy
  3. a chemical reaction occurs
  4. a change in matter
Down
  1. the substances that are formed during a chemical reaction
  2. The substances present before a chemical reaction occurs
  3. changes into new substances
  4. material that has mass
  5. chemical change

9 Clues: chemical change • a change in matter • absorbs heat energy • gives off heat energy • material that has mass • a chemical reaction occurs • changes into new substances • The substances present before a chemical reaction occurs • the substances that are formed during a chemical reaction

Chemistry thing 2022-02-23

Chemistry thing crossword puzzle
Across
  1. dissolves
  2. characteristic of substance describing how it'll react
  3. homogenous mixture
  4. chemical reaction cancelling out acidic/basic properties
  5. slippery, bitter-tasting substance, changing ph indicators
  6. liquid reaches freezing point
  7. solid into gas
  8. ability to be dissolved
Down
  1. measurable property
  2. liquid
  3. mixture of components
  4. symbols
  5. decreasing concentration
  6. abundance of a consitituent
  7. gas into liquid
  8. a molecule capable of donating a proton

16 Clues: liquid • symbols • dissolves • solid into gas • gas into liquid • homogenous mixture • measurable property • mixture of components • ability to be dissolved • decreasing concentration • abundance of a consitituent • liquid reaches freezing point • a molecule capable of donating a proton • characteristic of substance describing how it'll react • ...

IGCSE Chemistry Chapter 6-10 Keywords 2025-05-04

IGCSE Chemistry Chapter 6-10 Keywords crossword puzzle
Across
  1. The heat content of a system at constant pressure
  2. the decomposition of a substance by an electric current
  3. A reaction in which a more reactive element displaces a less reactive element from an aqueous solution of the latter's ions
  4. A reaction involving both reduction and oxidation
  5. a chemical reaction in which a substance combines with oxygen and releases energy - reaction is exothermic
Down
  1. a state of balance between continuing processes
  2. substance that speeds up the rate of a chemical reaction
  3. a reaction in which the conversion of reactants into products and the conversion of products into reactants occur simultaneously
  4. an equation that describes reduction (gain of electrons) or oxidation (loss of electrons)
  5. describes a substance that does not contain water

10 Clues: a state of balance between continuing processes • describes a substance that does not contain water • The heat content of a system at constant pressure • A reaction involving both reduction and oxidation • the decomposition of a substance by an electric current • substance that speeds up the rate of a chemical reaction • ...

Chemistry Vocab Katrina Soliz 2015-04-07

Chemistry Vocab Katrina Soliz crossword puzzle
Across
  1. A relationship between variables in which one variable increases as the other is increased and vice versa.
  2. A measured quantity of the actual amount of product produced during a chemical reaction.
  3. The portion of chemistry dealing with numerical relationships in chemical reactions
  4. Any reactant that is the first to be completely consumed in a chemical reaction, therefore limiting the amount of the product that can be produced.
  5. The ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a percentage; shown as actual yield/theoretical yield x 100.
Down
  1. Any reactant that remains after the reactants in a chemical reaction have completely reacted.
  2. A quantity that is always calculated and shows the theoretical amount of product that could be produced in an ideal chemical reaction in which there is a complete conversion of reactants(s) to product(s).
  3. A relationship between variables in which one variable decreases as the other is increases and vice versa.

8 Clues: The portion of chemistry dealing with numerical relationships in chemical reactions • A measured quantity of the actual amount of product produced during a chemical reaction. • Any reactant that remains after the reactants in a chemical reaction have completely reacted. • ...

Science 2024-10-17

Science crossword puzzle
Across
  1. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance of each reactant and product
  2. a change of matter from one form to another without a change in chemical properties; only physical changes
  3. change that occurs when one or more substances change into entirely new substances with different properties
  4. states that the mass of an object, or collection of objects new changes, no matter how the parts are rearranged
  5. a substance or molecule that is formed in a chemical reaction; the final output
Down
  1. Reaction happens when two or more substances combine in ways that make new substances form that have different properties from the beginning materials
  2. a substance or molecule that participates in a chemical reaction; the ingredients that you start with
  3. a solid formed by a change in a solution, often due to a chemical reaction or change in temperature

8 Clues: a substance or molecule that is formed in a chemical reaction; the final output • a solid formed by a change in a solution, often due to a chemical reaction or change in temperature • a substance or molecule that participates in a chemical reaction; the ingredients that you start with • ...

Chemistry Unit Crossword 2016-02-10

Chemistry Unit Crossword crossword puzzle
Across
  1. the item that sparks a chemical reaction
  2. the base of a chemical reaction
  3. group of atoms
  4. the mass of an atom
  5. energy absorbed
  6. mix of two or more elements
  7. a type of matter
  8. number of protons and electrons in an atom
  9. gases on right edge of periodic table
  10. electrons in outermost orbital
  11. positive charge in atom
  12. path of electrons around nucleus
  13. no charge in atom
  14. coating one substance with another
  15. element that's solid, shiny, and conducts electricity
Down
  1. negative charge in atom
  2. Russian chemist
  3. law concerning the change of mass
  4. smallest particle in the universe
  5. letters used to represent an atom
  6. a mix between metal and nonmetal
  7. energy released
  8. element without met properties
  9. center of an atom
  10. a place on the periodic table
  11. section of elements on periodic table

26 Clues: group of atoms • Russian chemist • energy absorbed • energy released • a type of matter • center of an atom • no charge in atom • the mass of an atom • negative charge in atom • positive charge in atom • mix of two or more elements • a place on the periodic table • electrons in outermost orbital • element without met properties • the base of a chemical reaction • ...

Chemistry Review 2022-11-08

Chemistry Review crossword puzzle
Across
  1. rule that the cloud needs eight electrons
  2. molecules are spread out
  3. shows number of atoms in a compound
  4. formulas to the left of the arrow
  5. big number in front of chemical formula
  6. two or more elements bonded together
  7. pure substance located on the periodic table
  8. when atoms rearrange to form a new substance
  9. shows reactants forming products
  10. molecules slide past each other
  11. small number on the bottom of the formula
Down
  1. electrons located in the outermost shell
  2. determines the element's identity (two words)
  3. two or more elements bonded together may be same or different
  4. positively charged particle
  5. molecules are tightly packed
  6. things formed after a chemical reaction
  7. located in center of atom
  8. neutral charged particle
  9. rows on the periodic table
  10. area outside the nucleus
  11. columns on the periodic table
  12. negatively charged particle

23 Clues: molecules are spread out • neutral charged particle • area outside the nucleus • located in center of atom • rows on the periodic table • positively charged particle • negatively charged particle • molecules are tightly packed • columns on the periodic table • molecules slide past each other • shows reactants forming products • formulas to the left of the arrow • ...

Cells 2024-01-23

Cells crossword puzzle
Across
  1. control center
  2. The basic structural and functional
  3. Glucose in food reacts with oxygen
  4. The parts of a cell
  5. cell that holds the cell together
  6. Compounds that can be added together to make proteins
  7. they are organelles that produce food
  8. The joining together of the male genetic material and the female genetic material
  9. breaks down food and cell waste
  10. chemical reaction a plant carries out in order
  11. single-celled bacteria
  12. requires energy to move
  13. The cell’s powerhouse
Down
  1. The movement of things
  2. Organism that is composed
  3. The cell’s transport organelle
  4. Large molecules
  5. The cell’s packaging and sorting
  6. Moving things inside and outside
  7. A protective double membrane
  8. chemical reactions that allow a cell to survive
  9. storage bubbles
  10. containing all the organelles
  11. Protein-making factories in a cell
  12. reaction where energy is released

25 Clues: control center • Large molecules • storage bubbles • The parts of a cell • The cell’s powerhouse • The movement of things • single-celled bacteria • requires energy to move • Organism that is composed • A protective double membrane • containing all the organelles • The cell’s transport organelle • breaks down food and cell waste • The cell’s packaging and sorting • ...

semester review 2018-12-17

semester review crossword puzzle
Across
  1. H2O is an example of a chemical ____________
  2. gasses this group on the periodic table has a full outer shell
  3. energy of motion
  4. Newtons __________ law. F=ma
  5. the speed of something in a given direction
  6. particle with no charge
  7. negatively charged particle that orbits the nucleus
  8. stored energy
  9. a tendency to do nothing or remain unchanged (1st law)
  10. warm ocean currents originate here
  11. _________= distance / time
Down
  1. _________= mass / volume
  2. positively charged particle
  3. electron determines the atoms reactivity
  4. a push or a pull on an object
  5. an object that is acted on by unbalanced forces will ___________________________.
  6. this group on the periodic table has 7 valence electrons
  7. color change is an example of a _____________ reaction
  8. for every action, there is an equal and opposite reaction. Newtons __________ law.
  9. atoms that are in the same ________ will behave similarly
  10. warmer air rises because it is _______ dense than cooler air

21 Clues: stored energy • energy of motion • particle with no charge • _________= mass / volume • _________= distance / time • positively charged particle • Newtons __________ law. F=ma • a push or a pull on an object • warm ocean currents originate here • electron determines the atoms reactivity • the speed of something in a given direction • H2O is an example of a chemical ____________ • ...

Chemistry Puzzle 2024-09-11

Chemistry Puzzle crossword puzzle
Across
  1. A solution with a pH lower than 7
  2. Table of elements arranged by increasing atomic number
  3. A gas needed for combustion
  4. Organic compound mainly made of carbon and hydrogen
  5. A pure substance made of only one kind of atom
  6. Smallest unit of an element
  7. Scientist who proposed atomic theory
  8. Father of the periodic table
  9. A type of chemical reaction that absorbs heat
  10. The simplest and lightest element
  11. A positively charged ion
  12. Atomic number of Oxygen
  13. Scientist who discovered radioactivity
  14. Type of bond formed by sharing electrons
Down
  1. Process of a solid turning directly into gas
  2. Table that organizes elements
  3. Negatively charged particle
  4. Type of reaction where heat is released
  5. Law Law relating the pressure and volume of a gas
  6. Measure of an atom's attraction for electrons
  7. The chemical symbol for gold
  8. Measurement unit of the amount of substance
  9. Amedeo, known for a gas law

23 Clues: Atomic number of Oxygen • A positively charged ion • Negatively charged particle • A gas needed for combustion • Smallest unit of an element • Amedeo, known for a gas law • The chemical symbol for gold • Father of the periodic table • Table that organizes elements • A solution with a pH lower than 7 • The simplest and lightest element • Scientist who proposed atomic theory • ...

Chemistry 101 2020-09-09

Chemistry 101 crossword puzzle
Across
  1. 10^n
  2. chemical reaction that release energy
  3. ratio of mass to volume
  4. interpretation or explanation of observations
Down
  1. chemical reaction that absorb energy
  2. substances present before the chemical change
  3. measurement of some aspect of nature
  4. substances present after the change

8 Clues: 10^n • ratio of mass to volume • substances present after the change • chemical reaction that absorb energy • measurement of some aspect of nature • chemical reaction that release energy • substances present before the chemical change • interpretation or explanation of observations

Periodic Table 2012-08-22

Periodic Table crossword puzzle
Across
  1. Elements that are malleable, ductile and lustrous.
  2. The number of an element on the periodic table.
  3. There are 92 of these that occur naturally.
  4. A type of change which can't be reversed.
  5. The lightest element.
  6. A type of change which can easily be reversed.
  7. A particle that is neither positive or negative.
  8. A non-shiny material.
  9. The elements in Group 7.
Down
  1. Difficult to bend, will snap.
  2. A positively charged particle.
  3. mass The number of protons plus neutrons in an atom.
  4. Elements with low melting points and are poor conductors.
  5. The elements in Group 8.
  6. The chemicals mixed together before a reaction.
  7. A negatively charged particle.
  8. Shiny.
  9. The result of a chemical reaction
  10. This element is essential for all life on Earth.
  11. A row on the Periodic Table.
  12. A column of elements on the Periodic Table.
  13. This gas makes up 79% of the Earth's atmosphere.

22 Clues: Shiny. • The lightest element. • A non-shiny material. • The elements in Group 8. • The elements in Group 7. • A row on the Periodic Table. • Difficult to bend, will snap. • A positively charged particle. • A negatively charged particle. • The result of a chemical reaction • A type of change which can't be reversed. • There are 92 of these that occur naturally. • ...

periodic table 2013-05-15

periodic table crossword puzzle
Across
  1. the numbers that shows how many of each kind of atom are in the compound
  2. new substance formed in a chemical reaction
  3. composed of more than one element
  4. the table that shows elements
  5. located on the left sid of the zigzag line
  6. elements on the periodic table arranged numerically by
  7. horizontal rows on the periodic table
  8. not shiny
Down
  1. substances combined in a chemical reaction
  2. ability to be drawn into a wire
  3. can be observed without changing the kind of matter being studied
  4. heat and electricity do not move through them easily
  5. heat and electricity move through them easily
  6. the smallest form of matter
  7. composed of one kind of atom
  8. having a shiny surface
  9. vertical columns on the periodic table
  10. ability to be hammered into different shapes
  11. located on the right side of the zigzag line
  12. breaks easily

20 Clues: not shiny • breaks easily • having a shiny surface • the smallest form of matter • composed of one kind of atom • the table that shows elements • ability to be drawn into a wire • composed of more than one element • horizontal rows on the periodic table • vertical columns on the periodic table • substances combined in a chemical reaction • ...

Study Guide: Chemistry 2016-02-11

Study Guide: Chemistry crossword puzzle
Across
  1. Cross between metals and non-metals
  2. Has negative charge of electricity, travels around nucleus
  3. Smallest particle in chemical element
  4. positively charged central portion of an atom, atomic mass consists of protons and neutrons
  5. Absorbing
  6. No electrical charge, apart of the nucleus
  7. electrons in the outer shell of an atom
  8. Outcome of chemical reaction
  9. Mass of an atomic particle and molecule
  10. Substance formed from two elements
  11. Something mixed to get a reaction
  12. Subdivision of a nuclear shell containing zero, one or two electrons
Down
  1. 2,8,8,2
  2. Putting a thin coat of metal around
  3. Number of protons
  4. Matter can be changed from one form to another
  5. Brittle, poor conductors of heat
  6. Formulated periodic law, chemist, inventor
  7. Releasing
  8. Column of elements
  9. Part of the nucleus of an atom
  10. Smallest part of a substance
  11. Left handside, 1-7

23 Clues: 2,8,8,2 • Absorbing • Releasing • Number of protons • Column of elements • Left handside, 1-7 • Outcome of chemical reaction • Smallest part of a substance • Part of the nucleus of an atom • Brittle, poor conductors of heat • Something mixed to get a reaction • Substance formed from two elements • Putting a thin coat of metal around • Cross between metals and non-metals • ...

Unit 12 Acids and Bases 2017-03-30

Unit 12 Acids and Bases crossword puzzle
Across
  1. receives a proton in a chemical reaction
  2. can be found using liquid indicators
  3. can be found by subtracting the pH from 14
  4. the amount of moles in a solution
  5. having 2 hydrogen protons to donate
  6. in titration there is an equal amount of moles in a solution
  7. a acid/base that ionizes completely
  8. created when a hydrogen ion is donated
  9. oxygen and hydrogen in a negatively charged bond
  10. an acid/base that does not ionize completely
Down
  1. a substance that can act as an acid or base
  2. pair an acid and its conjugate base
  3. scientist who said acids give and bases receive
  4. when an acid and base form a neutral substance
  5. a graph used in titration
  6. experimental way to find concentration
  7. having 1 hydrogen proton to donate
  8. a compound that changes color in a specific pH
  9. the end of titration
  10. donates a proton in a chemical reaction

20 Clues: the end of titration • a graph used in titration • the amount of moles in a solution • having 1 hydrogen proton to donate • pair an acid and its conjugate base • having 2 hydrogen protons to donate • a acid/base that ionizes completely • can be found using liquid indicators • experimental way to find concentration • created when a hydrogen ion is donated • ...

Bio Extra Credit 2021-12-01

Bio Extra Credit crossword puzzle
Across
  1. Where photosynthesis happens
  2. Digestive organelle in the cell
  3. Stores DNA for eukaryotic cell
  4. A negatively charged ion
  5. Complexes that make proteins
  6. A liquid that is a completely homogeneous mixture of two or more substances
  7. A substances that increase the hydrogen ion concentration of a solution
  8. Charged atom or molecules
  9. Starting material of a chemical reaction
Down
  1. The loss of electrons from one substance
  2. The scientific study of life
  3. Energy factory of the cell
  4. The dissolving agent of a solution
  5. The substances that are dissolved
  6. A substances that reduce the hydrogen ion concentration of a solution
  7. Another name for the ionic compounds
  8. Resulting material of a chemical reaction
  9. A positively charged ion
  10. Catabolic process without oxygen
  11. The smallest unit of matter that still retains the properties of an element
  12. The addition of electrons to another substance
  13. Capacity to cause change

22 Clues: A positively charged ion • A negatively charged ion • Capacity to cause change • Charged atom or molecules • Energy factory of the cell • The scientific study of life • Where photosynthesis happens • Complexes that make proteins • Stores DNA for eukaryotic cell • Digestive organelle in the cell • Catabolic process without oxygen • The substances that are dissolved • ...

Science assignment 2023-12-07

Science assignment crossword puzzle
Across
  1. acted upon a ............ to change the directon
  2. f=ma
  3. dxt
  4. the top of the triangle
  5. an extremely small, positively charged nucleus surrounded by a cloud of negatively charged electrons
  6. atoms sufficient,coefficients,chemical formals
  7. what are the elements on the staircase of the periodic tablel
  8. negatively charged subatomic partical
  9. speed traveled in a certain direction
Down
  1. object in motion stays in motion object at rest stays at rest unless acted upon an unbalanced force
  2. every action has a equal and opposite reaction
  3. how do you determine what group an element is in
  4. positively charged subatomic partical
  5. the element is in group 5 period 4 whats the element
  6. groups/periods/energy levels/metals/nonmetals/metalloids
  7. what element is the letter h in the periodic table
  8. neutrally charged subatomic partical
  9. you can see it change, its a chemical reaction
  10. f/m
  11. f/a

20 Clues: dxt • f/m • f/a • f=ma • the top of the triangle • neutrally charged subatomic partical • positively charged subatomic partical • negatively charged subatomic partical • speed traveled in a certain direction • every action has a equal and opposite reaction • you can see it change, its a chemical reaction • how do you determine what group an element is in • ...

Chapter 2 Crossword Puzzle 2024-11-21

Chapter 2 Crossword Puzzle crossword puzzle
Across
  1. A homogeneous mixture of solute and solvent.
  2. Substances formed as a result of a chemical reaction.
  3. A substance with a pH less than 7.
  4. Substances that participate in a chemical reaction.
  5. A substance formed when two or more elements chemically bond.
  6. A positively charged particle in an atom's nucleus.
  7. A substance made of only one kind of atom.
  8. A bond where atoms share electrons.
  9. A macromolecule composed of amino acids.
Down
  1. A macromolecule used for longterm energy storage.
  2. A macromolecule providing energy.
  3. A substance with a pH greater than 7.
  4. A type of bond formed by the transfer of electrons.
  5. The smallest unit of an element.
  6. A neutral particle in the nucleus of an atom.
  7. A scale measuring acidity or alkalinity.
  8. The substance in which solutes dissolve.
  9. A negatively charged particle in an atom.
  10. A biological catalyst that speeds up reactions.
  11. The smallest unit of a compound.

20 Clues: The smallest unit of an element. • The smallest unit of a compound. • A macromolecule providing energy. • A substance with a pH less than 7. • A bond where atoms share electrons. • A substance with a pH greater than 7. • A scale measuring acidity or alkalinity. • The substance in which solutes dissolve. • A macromolecule composed of amino acids. • ...

whodunit 2025-04-22

whodunit crossword puzzle
Across
  1. Positively charged ion
  2. Substance made during a chemical reaction
  3. Group having seven valence electrons
  4. Bond with shared electrons
  5. 13C and 12C
  6. The smallest particle of an element
  7. The ability of a material to be stretched into a long wire
  8. These have properties of both metals and nonmetals
  9. Starting substance in a chemical reaction
  10. A liquid's resistance to flow
  11. Nonreactive gases
  12. Tendency to attract electrons
Down
  1. The center of an atom
  2. Repeating trends in elements properties
  3. Elements bonded with themselves, O2
  4. Gold foil experiment director
  5. Positively charged subatomic particles
  6. Developed an early model of the atom
  7. A substance whose atoms all have the same number of protons
  8. Negatively charged subatomic particle
  9. Mass per volume of a substance
  10. Name of first group elements
  11. Has a pH less than 7
  12. Negatively charged ion
  13. The outermost shell of electrons

25 Clues: 13C and 12C • Nonreactive gases • Has a pH less than 7 • The center of an atom • Positively charged ion • Negatively charged ion • Bond with shared electrons • Name of first group elements • Gold foil experiment director • A liquid's resistance to flow • Tendency to attract electrons • Mass per volume of a substance • The outermost shell of electrons • ...

Chemistry Crossword - Syed Hasan Ali, 11 A 2022-09-03

Chemistry Crossword - Syed Hasan Ali, 11 A crossword puzzle
Across
  1. a chemical reaction which releases heat
  2. a solution with a pH less than 7.0
  3. consisting of dissimilar components.
  4. irreversible chemical damage upon contact.
  5. ion with a positive charge
  6. an aqueous solution with a pH greater than 7.
Down
  1. a homogenous mixture in which dispersed particles do not settle out.
  2. Name of the person who created this number: 6.0221 x 10^23
  3. a chemical change that forms new substances.
  4. atomic number 8

10 Clues: atomic number 8 • ion with a positive charge • a solution with a pH less than 7.0 • consisting of dissimilar components. • a chemical reaction which releases heat • irreversible chemical damage upon contact. • a chemical change that forms new substances. • an aqueous solution with a pH greater than 7. • Name of the person who created this number: 6.0221 x 10^23 • ...

photosynthesis crossword 2021-01-14

photosynthesis crossword crossword puzzle
Across
  1. the distance between wave crests
  2. chemical energy of cells
  3. compound needed for photosynthesis
  4. produced by photosynthesis
  5. produced by the calvin cycle
  6. where the calvin cycle takes place
  7. where the light reaction occurs
  8. electromagnetic wave energy
  9. energy from moving charged particles
Down
  1. energy stored/released from molecular bonds
  2. molecules that absorb/reflect certain wavelengths
  3. movement(kinetic and potential)
  4. the main pigment in plants
  5. when added back "charges" ATP
  6. the chemical energy of cells

15 Clues: chemical energy of cells • the main pigment in plants • produced by photosynthesis • electromagnetic wave energy • produced by the calvin cycle • the chemical energy of cells • when added back "charges" ATP • movement(kinetic and potential) • where the light reaction occurs • the distance between wave crests • compound needed for photosynthesis • where the calvin cycle takes place • ...

photosynthesis crossword 2021-01-14

photosynthesis crossword crossword puzzle
Across
  1. the distance between wave crests
  2. chemical energy of cells
  3. compound needed for photosynthesis
  4. produced by photosynthesis
  5. produced by the calvin cycle
  6. where the calvin cycle takes place
  7. where the light reaction occurs
  8. electromagnetic wave energy
  9. energy from moving charged particles
Down
  1. energy stored/released from molecular bonds
  2. molecules that absorb/reflect certain wavelengths
  3. movement(kinetic and potential)
  4. the main pigment in plants
  5. when added back "charges" ATP
  6. the chemical energy of cells

15 Clues: chemical energy of cells • the main pigment in plants • produced by photosynthesis • electromagnetic wave energy • produced by the calvin cycle • the chemical energy of cells • when added back "charges" ATP • movement(kinetic and potential) • where the light reaction occurs • the distance between wave crests • compound needed for photosynthesis • where the calvin cycle takes place • ...

Mr Burkholder Science Brenden Matuszak 2017-10-10

Mr Burkholder Science Brenden Matuszak crossword puzzle
Across
  1. these are chemicals that are nearly transition metals.
  2. rate, a measure of how quickly the concentration of products in a chemical reaction increases or the concentration of reactants decreases.
  3. the deterioration of a metal typical caused by atmospheric oxygen
  4. stands for the potential to attract Hydrogen Ions
  5. of PH 1-14
  6. a reaction between an acid and a base
Down
  1. an ionic compound commonly formed from the reaction between an acid.
  2. during a chemical reaction or more new compounds are formed as a result of the rearrangement
  3. the PH scale measures the number of ions in a solution if there are a bit of H+ ions is the pH
  4. gas at higher pressure have particles that are closer together.
  5. A substances that that donates hydrogen ion.

11 Clues: of PH 1-14 • a reaction between an acid and a base • A substances that that donates hydrogen ion. • stands for the potential to attract Hydrogen Ions • these are chemicals that are nearly transition metals. • gas at higher pressure have particles that are closer together. • the deterioration of a metal typical caused by atmospheric oxygen • ...

Cells 2019-05-17

Cells crossword puzzle
Across
  1. The basic unit of life
  2. A structure made of DNA and wrapped in proteins
  3. Lipid with a phosphate head and two long lipid tails
  4. Diffusion of a fluid across a membrane
  5. A chemical that speeds up a chemical reaction
  6. Organic compounds in cells that don't dissolve in water
Down
  1. The semi-permeable barrier between a cell and its environment
  2. A membrane's double layer of lipids
  3. The process through which a cell divides into two daughter cells
  4. The process in which DNA is copied
  5. The biological molecule an enzyme acts on
  6. A protein that speeds up a chemical reaction in a living organism
  7. The phase of the cell cycle where the cell divides
  8. A disease where cells lose control of their growth and division
  9. A microbe that must reproduce using another cell

15 Clues: The basic unit of life • The process in which DNA is copied • A membrane's double layer of lipids • Diffusion of a fluid across a membrane • The biological molecule an enzyme acts on • A chemical that speeds up a chemical reaction • A structure made of DNA and wrapped in proteins • A microbe that must reproduce using another cell • ...

Unit 3: Matter Vocabulary 2024-10-30

Unit 3: Matter Vocabulary crossword puzzle
Across
  1. A process where producers use sunlight, carbon dioxide, and water to make glucose
  2. Change When matter increases or decreases in energy, resulting in a change of state
  3. Anything that has mass and takes up space
  4. The simplest form of matter - made of only one type of atom
  5. Two or more atoms joined (chemically bonded) together
  6. Something produced during a chemical reaction
  7. Number The number of protons in a an atom.
  8. A change in state of matter from gas to liquid
Down
  1. A substance that enters into a chemical reaction
  2. A simple sugar made by producers during photosynthesis
  3. The smallest unit of a chemical element
  4. A molecule made of two or more DIFFERENT types of atoms
  5. Energy associated with motion
  6. A change in state of matter from liquid to gas
  7. Energy in the form of heat

15 Clues: Energy in the form of heat • Energy associated with motion • The smallest unit of a chemical element • Anything that has mass and takes up space • Number The number of protons in a an atom. • Something produced during a chemical reaction • A change in state of matter from liquid to gas • A change in state of matter from gas to liquid • ...

Balancing Chemical Reactions 2021-09-14

Balancing Chemical Reactions crossword puzzle
Across
  1. The little numbers below the line
  2. What the arrow means
  3. The chemical reaction before the arrow
  4. The physical substance that takes up space Conservation Starting mass of reactants product Equation Uses chemical formulas and symbols
Down
  1. form the little letter in parenthesis
  2. The chemical reaction after the arrow
  3. The big numbers before the chemicals
  4. when two or more substances make a new one

8 Clues: What the arrow means • The little numbers below the line • The big numbers before the chemicals • form the little letter in parenthesis • The chemical reaction after the arrow • The chemical reaction before the arrow • when two or more substances make a new one • ...