chemical reaction Crossword Puzzles

Physics Crossword 2020-04-28

Physics Crossword crossword puzzle
Across
  1. The foul smell developed due to oxidation of food
  2. 2 or more substances combine to form single substance
  3. Reaction in which heat energy is released
  4. reaction in which one element displaces another
  5. gain of oxygen/loss of hydrogen
Down
  1. An insoluble substance in a chemical reaction
  2. Tarnishing of metals due to the reaction with air & H2O
  3. Reaction in which heat energy is absorbed by reactants
  4. A precious metal which resist corrosion
  5. Loss of oxygen/gain of hydrogen

10 Clues: Loss of oxygen/gain of hydrogen • gain of oxygen/loss of hydrogen • A precious metal which resist corrosion • Reaction in which heat energy is released • An insoluble substance in a chemical reaction • reaction in which one element displaces another • The foul smell developed due to oxidation of food • 2 or more substances combine to form single substance • ...

Science Keyword Crossword Puzzle By: Andrew and Lydia 2017-09-27

Science Keyword Crossword Puzzle By: Andrew and Lydia crossword puzzle
Across
  1. Sugar molecule.
  2. Organelle found inside a cell, it is the site of cellular respiration.
  3. Type of long chain sugar molecule that is found in plants.
  4. Process by which oxygen reacts with glucose to form carbon dioxide, water and energy in the form of ATP.
  5. Process by which plants make their own sugar, by reacting carbon dioxide with water, in the presence of sunlight to produce sugar and oxygen.
Down
  1. Type of reaction that requires energy to start the reaction, the energy is absorbed from its surroundings.
  2. Enzyme which breaks down carbohydrate, and long sugar molecules into glucose.
  3. Plant cell organelle, where photosynthesis occurs.
  4. Substances that will interact with each other during a chemical reaction.
  5. Substances that are formed, from a chemical reaction.
  6. Structure in the intestine, which enables the absorption of nutrients into the blood.

11 Clues: Sugar molecule. • Plant cell organelle, where photosynthesis occurs. • Substances that are formed, from a chemical reaction. • Type of long chain sugar molecule that is found in plants. • Organelle found inside a cell, it is the site of cellular respiration. • Substances that will interact with each other during a chemical reaction. • ...

Science Vocab 2017-09-27

Science Vocab crossword puzzle
Across
  1. Enzyme which breaks down carbohydrate, and long sugar molecules into glucose
  2. Substances that will interact with each other during a chemical reaction
  3. Structure in the intestine, which enables the absorption of nutrients into the blood.
  4. Type of long chain sugar molecule that is found in plants.
  5. Sugar molecule
  6. Process by which plants make their own sugar, by reacting carbon dioxide with water, in the presence of sunlight to produce sugar and oxygen
  7. Plant cell organelle, where photosynthesis occurs
Down
  1. Type of reaction that requires energy to start the reaction. The energy is absorbed from it's surroundings.
  2. Respiration process by which oxygen reacts with glucose to form carbon dioxide, water and energy in the form of ATP.
  3. Substances that are formed, from a chemical reaction.
  4. Organelle found inside a cell. It is the site of cellular respiration

11 Clues: Sugar molecule • Plant cell organelle, where photosynthesis occurs • Substances that are formed, from a chemical reaction. • Type of long chain sugar molecule that is found in plants. • Organelle found inside a cell. It is the site of cellular respiration • Substances that will interact with each other during a chemical reaction • ...

Rates of Reactions 2017-05-02

Rates of Reactions crossword puzzle
Across
  1. Form of limestone reacting slowly
  2. The amount of energy needed for a reaction to begin
  3. The amount of particles in a given volume
  4. The unit of time
  5. Form of limestone reacting fast
Down
  1. The speed with which a particular chemical reaction progresses
  2. The larger that is the faster the rate of reaction
  3. Particles must do this before they react
  4. A substance that changes the rate of reaction without being used up
  5. Increasing the temperature gives the particles more ……….
  6. A biological catalyst

11 Clues: The unit of time • A biological catalyst • Form of limestone reacting fast • Form of limestone reacting slowly • Particles must do this before they react • The amount of particles in a given volume • The larger that is the faster the rate of reaction • The amount of energy needed for a reaction to begin • Increasing the temperature gives the particles more ………. • ...

CHEMISTRY ATTENDANCE PROJECT 2023-12-04

CHEMISTRY ATTENDANCE PROJECT crossword puzzle
Across
  1. Or burning; a high-temperature exothermic redox chemical reaction between a fuel and an oxidant
  2. The substance formed from chemical reactions.
  3. A place where experiments related to chemistry are conducted
  4. The process or effect of simplifying a single chemical entity into two or more fragments
  5. Any substance that has mass and takes up space
  6. A person who is studying at a school or college.
Down
  1. A small Texas town in which you live in
  2. A school that typically comprises grades 9 through 12, attended after primary school or middle school.
  3. A process in which one or more substances, are converted to one or more different substances
  4. The branch of science that deals with the identification of the substances of which matter is composed
  5. A chemical substance that cannot be broken down into other substances, there's a whole table based off these
  6. The queen herself, your teacher.

12 Clues: The queen herself, your teacher. • A small Texas town in which you live in • The substance formed from chemical reactions. • Any substance that has mass and takes up space • A person who is studying at a school or college. • A place where experiments related to chemistry are conducted • ...

PS 3-5 Vocabulary 2022-03-28

PS 3-5 Vocabulary crossword puzzle
Across
  1. waste from remains of nuclear reactions
  2. Law of ________ of Mass
  3. on the right side of the arrow in an equation
  4. combining of the nuclei of atoms
  5. starting materials in a chemical reaction
  6. the type of bond between a metal and nonmetal
  7. a bond with shared electrons between nonmetals
Down
  1. electrons that are on the outer level of an atom
  2. on the left side of the arrow in an equation
  3. used to represent a chemical reaction
  4. an atom that has gained or lost electrons
  5. new compounds formed during a reaction
  6. reaction that involves the nucleus of atoms
  7. atoms cannot be ______________ or destroyed
  8. splitting of the nucleus of atoms
  9. released during fission and fusion

16 Clues: Law of ________ of Mass • combining of the nuclei of atoms • splitting of the nucleus of atoms • released during fission and fusion • used to represent a chemical reaction • new compounds formed during a reaction • waste from remains of nuclear reactions • an atom that has gained or lost electrons • starting materials in a chemical reaction • ...

lila johnson mr.B physical science 2017-10-03

lila johnson mr.B physical science crossword puzzle
Across
  1. is the minimun amount of energy to overcome the inital breaking of bonds
  2. no atoms are gained or lost during any reaction
  3. how quickly the concentration of reactants decreases
Down
  1. were commonly used as refrigerants,
  2. is a substance that lowers the actvation energy of a chemical reaction
  3. a net release of energy
  4. have to make physical contact with each other in order to transform into products
  5. is the amount of energy to pull two bonded atoms apart
  6. during a ________ reaction one or more new compounds are formed as a result of the rearrangement of atoms
  7. a net absorption of energy

10 Clues: a net release of energy • a net absorption of energy • were commonly used as refrigerants, • no atoms are gained or lost during any reaction • how quickly the concentration of reactants decreases • is the amount of energy to pull two bonded atoms apart • is a substance that lowers the actvation energy of a chemical reaction • ...

enzymes 2021-01-23

enzymes crossword puzzle
Across
  1. Scale of acidity or alkalinity.
  2. A substance on which enzymes act.
  3. A substance that changes the rate of a chemical reaction without being changed by the reaction itself.
  4. To construct a larger biological molecule from smaller ones.
  5. The part of the enzyme to which a specific substrate can attach or fit on to.
  6. Fat or oils, composed of fatty acids and glycerol.
Down
  1. Food belonging to the food group consisting of sugars, starch and cellulose.
  2. A simple sugar used by cells for respiration.
  3. Naturally occurring compounds of carbon, hydrogen and oxygen.
  4. The building blocks that make up a protein molecule.
  5. A protein which catalyses or speeds up a chemical reaction.

11 Clues: Scale of acidity or alkalinity. • A substance on which enzymes act. • A simple sugar used by cells for respiration. • Fat or oils, composed of fatty acids and glycerol. • The building blocks that make up a protein molecule. • A protein which catalyses or speeds up a chemical reaction. • To construct a larger biological molecule from smaller ones. • ...

Chemical systems and Equilibrium Crossword 2022-01-27

Chemical systems and Equilibrium Crossword crossword puzzle
Across
  1. when products and reactants reach the same rate and are equal
  2. a rate at which products are formed
  3. the release of energy
  4. yield the amount of product obtained from a lab
  5. a substance that speeds up a reaction without itself being included in the reaction
  6. the net charge of an atom due to losing or gaining an electron
  7. quotient helps determine the state/position of a reaction
  8. a substance that has OH ions
  9. the absorption of energy
  10. the force exerted to compress something such as gas (kPa)
  11. a state of constant change (never stops)
  12. gas an unreactive gas that has no impact on equilibrium
  13. concentration the concentration at the beginning of a reaction
  14. a rate at which reactants are formed
  15. describes whether a the products or reactants are favored in a reaction
  16. yield amount of product obtained from stoichiometry
  17. equilibria when reactants and products have the same state
  18. a substance that can be measured using pH
Down
  1. the formation of a solid compound in a chemical reaction
  2. the amount of space a object occupies (L/mL)
  3. reaction when products are formed in a reaction but reactants are reformed
  4. when a substance is able to dissolve in water
  5. yield used to calculate the percentage of which products/reactions are favored
  6. law an equation where k is a constant and the concentration of reactants is used to determine the rate of the reaction
  7. a table used to differentiate initial change in equilibrium
  8. equilibria when reactants and products have different states
  9. measured in mol/L
  10. rule a rule used when the concentration of a substance is 1000x greater than Keq
  11. when ions break into separate entities when dissolved in water
  12. chatelier's principle when equilibrium is disturbed and the system will counteract the disruption by opposing it

30 Clues: measured in mol/L • the release of energy • the absorption of energy • a substance that has OH ions • a rate at which products are formed • a rate at which reactants are formed • a state of constant change (never stops) • a substance that can be measured using pH • the amount of space a object occupies (L/mL) • when a substance is able to dissolve in water • ...

Mr. Sir 2017-03-23

Mr. Sir crossword puzzle
Across
  1. The number of active molecules in a set volume of solution
  2. an insoluble compound formed in a precipitation reaction
  3. a long-chain molecule formed by the joining of many smaller repeating molecules (monomers)
  4. a reaction that involved oxygen and releases light and heat energy
  5. a mixaure of a solute dissolved in a solvent such as water
  6. a reaction in which an acid and a base combine to produce a metal, salt, and water
  7. A small number of active molecules (such as acid) in a solution
Down
  1. A strong acid readily releases a hydrogen ion in a chemical reaction
  2. A molecule that contains only carbon and hydrogen atoms
  3. an object or substance that can be broken down by bacteria, fungi, and other living organisms
  4. a small molecule from which polymers are made
  5. a reaction that involves the breakdown of a compund into simpler substances
  6. process of joining of smaller units to form a long chain molecule
  7. A reaction that involves the building up of compounds by combining simpler substance, normally elements
  8. a substance that increases the rate of a reaction but is not is not used up in the reaction

15 Clues: a small molecule from which polymers are made • A molecule that contains only carbon and hydrogen atoms • an insoluble compound formed in a precipitation reaction • The number of active molecules in a set volume of solution • a mixaure of a solute dissolved in a solvent such as water • A small number of active molecules (such as acid) in a solution • ...

Chemical Reactions and Equations 2024-07-01

Chemical Reactions and Equations crossword puzzle
Across
  1. the process of splitting a molecule using electricity
  2. oxidation of the top layer of metal surface
  3. substance that undergoes change in a chemical reaction
  4. substances which are added to food to prevent rancidity
Down
  1. common name of Calcium Carbonate
  2. insoluble substance formed when Barium Chloride reacts with Sodium Sulphate
  3. type of chemical reaction that involves only one reactant
  4. respiration is a _____________ reaction

8 Clues: common name of Calcium Carbonate • respiration is a _____________ reaction • oxidation of the top layer of metal surface • the process of splitting a molecule using electricity • substance that undergoes change in a chemical reaction • substances which are added to food to prevent rancidity • type of chemical reaction that involves only one reactant • ...

Chemical reactions 2024-10-16

Chemical reactions crossword puzzle
Across
  1. Is an another term for burning
  2. A substance used at the beginning of a chemical reaction
  3. Is a white powder formed due to a reaction between magnesium and oxygen
  4. Produces a brown colour
Down
  1. Produces carbon dioxide and alcohol
  2. Is a technique used in cooking
  3. a procedure that produces new chemicals
  4. A substance obtained at the end of a chemical reaction

8 Clues: Produces a brown colour • Is a technique used in cooking • Is an another term for burning • Produces carbon dioxide and alcohol • a procedure that produces new chemicals • A substance obtained at the end of a chemical reaction • A substance used at the beginning of a chemical reaction • Is a white powder formed due to a reaction between magnesium and oxygen

Chemistry revision activity 2013-11-16

Chemistry revision activity crossword puzzle
Across
  1. The hotter a reaction, the more likely it is to go in the ______ direction
  2. If the forward reaction is _____ then the backward reaction is endothermic in a reversible reaction
  3. ____ the concentration of a substance tips the equilibrium in the direction that uses up the concentration of the substance added
  4. ____ ____is when the rate of a forward reaction is the same as the rate of the backward reaction
  5. In a gas reaction, the _____ the pressure the more the reaction moves in the direction with less gas molecules
  6. This is one of the factors that can be changed to influence the position of an equilibrium
  7. In the haber process, iron beds are present in the ____
  8. Ammonia is produced through the ____ process in industries
Down
  1. A ____ is used to speed up a chemical reaction
  2. Most reactions are this type of reactions
  3. This is one of the factors that can be changed to influence the position of an equilibrium
  4. According to _____'s principle, whatever you do to a reaction, it tries to do the opposite
  5. This is one of the factors that can be changed to influence the position of an equilibrium
  6. In a reversible reaction, the forward reaction is exothermic. You can maximise output by performing the reaction in a ___ environment

14 Clues: Most reactions are this type of reactions • A ____ is used to speed up a chemical reaction • In the haber process, iron beds are present in the ____ • Ammonia is produced through the ____ process in industries • The hotter a reaction, the more likely it is to go in the ______ direction • ...

science 2023-11-22

science crossword puzzle
Across
  1. a number placed in front of an element symbol or chemical formula in an equation
  2. stored energy
  3. the amount of matter in an object
  4. occurs when one substance reacts to another
  5. the mass per unit volume of a substance
  6. a charachteristic of matter that can be observed
  7. could be hot or cold
  8. more energy is released when the products form than is required
  9. energy due to motion
  10. occurs when substances react with oxidizing agents changing it to a new substance
  11. the amount of force per unit area applied to an objects surface
  12. the amount of space an item takes up
  13. more energy is required to break the bonds of the reactants
Down
  1. the ability to burn
  2. matter with a composition that is always the same
  3. from a liquid to a gas
  4. two or more atoms that are held together by convalent bonds
  5. when atoms form new bonds
  6. a starting substance in a chemical reaction
  7. the energy released when atoms form bonds
  8. the result of the motipon of all the particles heating the substance up
  9. a substance produced by a chemical reaction
  10. a substance containing one or more different elements chemically bonded together
  11. smallest thing in the universe
  12. consists of only one type of atom

25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...

science 2023-11-22

science crossword puzzle
Across
  1. a number placed in front of an element symbol or chemical formula in an equation
  2. stored energy
  3. the amount of matter in an object
  4. occurs when one substance reacts to another
  5. the mass per unit volume of a substance
  6. a charachteristic of matter that can be observed
  7. could be hot or cold
  8. more energy is released when the products form than is required
  9. energy due to motion
  10. occurs when substances react with oxidizing agents changing it to a new substance
  11. the amount of force per unit area applied to an objects surface
  12. the amount of space an item takes up
  13. more energy is required to break the bonds of the reactants
Down
  1. the ability to burn
  2. matter with a composition that is always the same
  3. from a liquid to a gas
  4. two or more atoms that are held together by convalent bonds
  5. when atoms form new bonds
  6. a starting substance in a chemical reaction
  7. the energy released when atoms form bonds
  8. the result of the motipon of all the particles heating the substance up
  9. a substance produced by a chemical reaction
  10. a substance containing one or more different elements chemically bonded together
  11. smallest thing in the universe
  12. consists of only one type of atom

25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...

science 2023-11-22

science crossword puzzle
Across
  1. a number placed in front of an element symbol or chemical formula in an equation
  2. stored energy
  3. the amount of matter in an object
  4. occurs when one substance reacts to another
  5. the mass per unit volume of a substance
  6. a charachteristic of matter that can be observed
  7. could be hot or cold
  8. more energy is released when the products form than is required
  9. energy due to motion
  10. occurs when substances react with oxidizing agents changing it to a new substance
  11. the amount of force per unit area applied to an objects surface
  12. the amount of space an item takes up
  13. more energy is required to break the bonds of the reactants
Down
  1. the ability to burn
  2. matter with a composition that is always the same
  3. from a liquid to a gas
  4. two or more atoms that are held together by convalent bonds
  5. when atoms form new bonds
  6. a starting substance in a chemical reaction
  7. the energy released when atoms form bonds
  8. the result of the motipon of all the particles heating the substance up
  9. a substance produced by a chemical reaction
  10. a substance containing one or more different elements chemically bonded together
  11. smallest thing in the universe
  12. consists of only one type of atom

25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...

Enzymes 2024-02-08

Enzymes crossword puzzle
Across
  1. In human saliva, breaks down starch
  2. Energy needed to start a reaction
  3. Substrates undergo chemical changes to form new substances called
  4. Enzymes act as these because they are not changed during a reaction
  5. The biological molecule that the enzyme will work on
  6. How fast our bodies can break stuff down
  7. A measure of how acidic/basic water is
  8. A pH rating of 1-6.99
  9. A pH rating of 7
  10. Breaks down wase H202 made by cells
  11. Builds monomers into polymers
  12. Enzymes control this aspect of chemical reactions
Down
  1. Adding substrates to an enzyme
  2. Like poisons can block active sites
  3. This is added to an enzyme to turn the substrates into products
  4. What activities enzymes activate
  5. Factors that affect enzymes
  6. The unfolding of an enzyme so its shape changes and it no longer works
  7. Where the substrate temporarily fits into during metabolic reactions
  8. A pH rating of 7.01-14
  9. Helps explain the enzyme function, substrate fits into an enzyme like a lock and key
  10. Removing substrates from an enzyme
  11. The name of an enzyme typically ends in what three letters
  12. Proteins made of amino acids required by all chemical processes in organisms
  13. What is the pH of water

25 Clues: A pH rating of 7 • A pH rating of 1-6.99 • A pH rating of 7.01-14 • What is the pH of water • Factors that affect enzymes • Builds monomers into polymers • Adding substrates to an enzyme • What activities enzymes activate • Energy needed to start a reaction • Removing substrates from an enzyme • In human saliva, breaks down starch • Like poisons can block active sites • ...

States of Matter 2020-05-03

States of Matter crossword puzzle
Across
  1. the temperature at where a substance begins to melt
  2. when a solid turns into a gas without turning into a liquid
  3. properties of a substance that are observed during or after a chemical reaction
  4. the state of a substance that takes the shape of its container and can flow or be poured
  5. the energy needed fro particles to spread
  6. when turns water into its solid form
  7. a very small object that makes up everything
  8. a substance that occupies physical space
  9. when steam turns into water
  10. when the particles in a liquid begin to spread
  11. a chemical substance that can not be broken down by a chemical reaction
  12. the state that has a fixed shape and the particles are all packed together
  13. turning ice into water
Down
  1. properties of a substance like smell or feel that are observed without changing the composition of matter
  2. the temperature at when a substance begins to boil
  3. the amount of substance that makes up an object usually measured in kilograms
  4. when something becomes larger in size
  5. when water changes into a gas
  6. the state of a substance where the particles are spread out and move around rapidly
  7. the amount of space a substance takes up
  8. a well thought out opinion

21 Clues: turning ice into water • a well thought out opinion • when steam turns into water • when water changes into a gas • when turns water into its solid form • when something becomes larger in size • a substance that occupies physical space • the amount of space a substance takes up • the energy needed fro particles to spread • a very small object that makes up everything • ...

Biology Ch 1.1, 1.2, 2 2019-09-30

Biology Ch 1.1, 1.2, 2 crossword puzzle
Across
  1. The smallest unit that can perform all life processes
  2. The attractive force between two bodies of different substances that are in contract with each other
  3. molecular subunit of a polymer
  4. a class of molecules that includes sugar, starches, and fiber
  5. Substance that has a molecular structure consisting of a large number of similar units bonded together
  6. All organisms and the part of Earth where they exist
  7. An atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge
  8. In a solution, the substance that dissolves in the solvent
  9. In a solution, the substance in which the solute dissolves
  10. A molecule that acts as a catalyst in biochemical reaction
Down
  1. A fat molecule that has similar properties
  2. A substance consisting of atoms or ions of two or more elements that are chemically bonded together
  3. The smallest unit of an element
  4. The sum of all chemical processes that occur in an organism
  5. A community of organisms and their abiotic environment
  6. A living thing
  7. A substance that cannot be decomposed into simpler substances by chemical means
  8. The force that holds molecules of a single material together
  9. A substance that forms in a chemical reaction
  10. Measurement of acidity

20 Clues: A living thing • Measurement of acidity • molecular subunit of a polymer • The smallest unit of an element • A fat molecule that has similar properties • A substance that forms in a chemical reaction • All organisms and the part of Earth where they exist • The smallest unit that can perform all life processes • A community of organisms and their abiotic environment • ...

Science Crossword 2023-07-10

Science Crossword crossword puzzle
Across
  1. A substance that speeds up a chemical reaction without depleting
  2. A place where an organism makes its home
  3. What is the chemical reaction used by micro organisms to convert glucose into energy
  4. A creature eaten by other animals
  5. A substance that does not dissolve
  6. Liquid which has passed through a filter
  7. nurturances that store fat for the body
  8. A process that results in changes in the genetic material of a population over time
  9. A type of stone made when magma or lava cools
Down
  1. To make a product safe for consumption by heating
  2. What is the name for a process that breaks up protein and changes its three-dimensional structure
  3. A material that physically attracts other substances
  4. A unit of measurement, symbol is v
  5. An organisms that share characteristics and are able to produce off spring
  6. What is the name for the selective boiling and subsequent condensation of a component in a liquid mixture
  7. The name for the group 7 elements
  8. A negatively charged occurrence that is commonly found in an atom
  9. A material with small holes that make it able to absorb liquid
  10. A chemical that contains information on how to make an organism (acronym)
  11. Organisms that are exact genetic copies

20 Clues: A creature eaten by other animals • The name for the group 7 elements • A unit of measurement, symbol is v • A substance that does not dissolve • nurturances that store fat for the body • Organisms that are exact genetic copies • A place where an organism makes its home • Liquid which has passed through a filter • A type of stone made when magma or lava cools • ...

Unit 2 Shawna Schmitmeyer 2023-04-04

Unit 2 Shawna Schmitmeyer crossword puzzle
Across
  1. a process that is not required to spend energy to move molecules across the membrane
  2. when the active site changes shape
  3. cells that are combined together
  4. the diffusion of water across a membrane
  5. atoms combine together to make this
  6. organs combine together to make this
  7. the lone time build up of all the energy required to active the chemical reactions
  8. molecules combined together make this
  9. what the substrate turns into at the end of the chemical reaction
  10. all the organ systems combine make this
  11. means fear of water and is what the two tail of the phospholipid are
Down
  1. molecules naturally move apart from being clustered
  2. organelles combined together to make this
  3. this is when the cell membrane chooses what goes in and out of the cell
  4. a part of an enzyme that fits right into the active site
  5. a special protein that lowers the activation energy needed
  6. where the substrate should fit perfect and where the chemical reaction happens
  7. a process that occurs when cells spend energy to move molecules across the membrane through transport proteins
  8. this makes up the cell membrane
  9. basic unit of matter
  10. means water loving and is what the head of the phospholipid are
  11. tissues combine together

22 Clues: basic unit of matter • tissues combine together • this makes up the cell membrane • cells that are combined together • when the active site changes shape • atoms combine together to make this • organs combine together to make this • molecules combined together make this • all the organ systems combine make this • the diffusion of water across a membrane • ...

Elements & Compounds 2022-08-25

Elements & Compounds crossword puzzle
Across
  1. - the number next to a chemical symbol used in chemical formulas
  2. - a form of matter that has a constant composition and properties that are constant throughout the sample
  3. - the separation of a compound into its elements used with electric current usually with a battery - a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.
  4. - a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  5. - a pure substance of two or more elements chemically combined
  6. - a set of chemical symbols showing the elements present in a compound and their relative proportions, and in some cases the structure of the compound.
  7. - element with the chemical symbol "O"
  8. - chemical compound, living organisms breath this out, CO2
  9. - chemical compound used to accelerate
Down
  1. - The location of the atoms, groups or ions relative to one another in a molecule, as well as the number and location of chemical bonds
  2. - occupies space and has weight
  3. - element with the chemical symbol "H"
  4. - a pure substance that cannot be broken down chemically or physically.
  5. - negative charged electrode that supplies current
  6. - a notation of one or two letters representing a chemical element
  7. - positive charged electrode that supplies current
  8. - compound that can put out fire, also known as H2O
  9. - the basic unit of a chemical element

18 Clues: - occupies space and has weight • - element with the chemical symbol "H" • - element with the chemical symbol "O" • - the basic unit of a chemical element • - chemical compound used to accelerate • - negative charged electrode that supplies current • - positive charged electrode that supplies current • - compound that can put out fire, also known as H2O • ...

Key Rocketry Terms 2022-10-04

Key Rocketry Terms crossword puzzle
Across
  1. Resists change in motion
  2. Causes acceleration
  3. increase drag at back of rocket
  4. reaction mass ejected from rocket engine
  5. Propels a rocket forward
  6. Law stating V=IR
  7. chemical required for rocket fuel to react
  8. Product of force and time
  9. Newton's law stating F=ma
  10. Point of closest orbit
Down
  1. Change in velocity over time
  2. Quantity of matter or measure of inertia
  3. Newton's aw of inertia
  4. Change in position over time
  5. Newton's law of Action-Reaction
  6. height above sea level
  7. Point of farthest orbit
  8. heat source causing propellant to combust

18 Clues: Law stating V=IR • Causes acceleration • Newton's aw of inertia • height above sea level • Point of closest orbit • Point of farthest orbit • Resists change in motion • Propels a rocket forward • Product of force and time • Newton's law stating F=ma • Change in velocity over time • Change in position over time • increase drag at back of rocket • Newton's law of Action-Reaction • ...

Aaron Peacock 2022-03-08

Aaron Peacock crossword puzzle
Across
  1. is a reaction in which two or more substances combine to form a single new substance
  2. is a reaction in which two or more substance combine to form a single new substance
  3. simplest whole ratio of element within a compound
  4. is a reaction in which two or more substances combine to form a single new substance
  5. is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
Down
  1. is the maxium amount of a reactant produce
  2. study of ratios within chemical reactions
  3. mass of one mole of a substance
  4. is a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  5. the substance that will be use up first in chemical reaction

10 Clues: mass of one mole of a substance • study of ratios within chemical reactions • is the maxium amount of a reactant produce • simplest whole ratio of element within a compound • the substance that will be use up first in chemical reaction • is a reaction in which two or more substance combine to form a single new substance • ...

U3S2 2021-12-07

U3S2 crossword puzzle
Across
  1. a reactant present in an amount in excess of that required to combine with all of the limiting reactant.
  2. the reactant that gets consumed first in a chemical reaction
Down
  1. the number of atoms or molecules in one mole of a substance, equal to 6.023 × 1023.
  2. It is calculated to be the experimental yield divided by theoretical yield multiplied by 100%.
  3. The amount that is actually produced in a reaction
  4. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
  5. he maximum possible mass of a product that can be made in a chemical reaction.
  6. the ratio between the amounts in moles of any two compounds involved in a chemical reaction.

8 Clues: The amount that is actually produced in a reaction • the reactant that gets consumed first in a chemical reaction • he maximum possible mass of a product that can be made in a chemical reaction. • the number of atoms or molecules in one mole of a substance, equal to 6.023 × 1023. • ...

I guess it's a crossword 2022-12-06

I guess it's a crossword crossword puzzle
Across
  1. Mr. Scott's favorite pokemon
  2. Mr. Scott has two of these at home
  3. 2 + 2 = 4
  4. (two words, no space) a terrible band
  5. (again) products have new __________
Down
  1. products have new __________
  2. never change in a chemical reaction
  3. something created in a chemical reaction
  4. rearrange in a chemical reaction

9 Clues: 2 + 2 = 4 • products have new __________ • Mr. Scott's favorite pokemon • rearrange in a chemical reaction • Mr. Scott has two of these at home • never change in a chemical reaction • (again) products have new __________ • (two words, no space) a terrible band • something created in a chemical reaction

Chemistry Balance Crossword 2022-10-05

Chemistry Balance Crossword crossword puzzle
Across
  1. No atoms can be made or created.
  2. Stuff.
  3. The rearrangement of molecules.
  4. No atoms lost/added in equation.
Down
  1. Before a chemical equation.
  2. Signifies a chemical reaction.
  3. Atoms lost/added in equation.
  4. After a chemical equation.
  5. A branch of science.
  6. Doesn't change when shape/form changes.

10 Clues: Stuff. • A branch of science. • After a chemical equation. • Before a chemical equation. • Atoms lost/added in equation. • Signifies a chemical reaction. • The rearrangement of molecules. • No atoms can be made or created. • No atoms lost/added in equation. • Doesn't change when shape/form changes.

CROSSWORD PUZZLE ON PLANT NUTRITION 2013-09-02

CROSSWORD PUZZLE ON PLANT NUTRITION crossword puzzle
Across
  1. Tiny holes that allow gases in and out of a leaf.
  2. energy Type of energy that is used by plants to make photosynthesis.
  3. One of the processes that can be done inside the plant by the use of glucose. This process also requires minerals to make new chemical substances.
  4. Chemical reaction where energy is used to convert CO2 and H2O into glucose and oxygen.
  5. Plants are known as the ______ because they provide food for other organisms.
  6. _______ layer :Layer with large air spaces between the cells that allow gases to difuse .
  7. Plant´s organ where food is made.
  8. Where plants can get minerals and water from.
  9. A gas needed by plants for photosynthesis is _______ dioxide.
Down
  1. Simple sugar made by plants .
  2. To find out if a leaf has glucose or not, a ________ test can be done.
  3. Plants that do not contain chlorophyll in parts of the leaf.
  4. Substances needed by plants to keep healthy.
  5. Mineral used by the plant to make flowers and fruit.
  6. Liquid that travels to chloroplast by osmosis.
  7. Green pigment of plants.
  8. Transparent layer that protects the leaf.
  9. panels Sun light is absorbed by plants to make photosynthesis, therefore, plants are similar to __________.
  10. Most of the minerals used by plants are found in _________ .
  11. reaction Photosynthesis is an example of a ___________.

20 Clues: Green pigment of plants. • Simple sugar made by plants . • Plant´s organ where food is made. • Transparent layer that protects the leaf. • Substances needed by plants to keep healthy. • Where plants can get minerals and water from. • Liquid that travels to chloroplast by osmosis. • Tiny holes that allow gases in and out of a leaf. • ...

Metabolism Crossword 2018-02-19

Metabolism Crossword crossword puzzle
Across
  1. A chemical reaction that builds up large molecules.
  2. A stored form of glucose in plants.
  3. The green pigment chemical that is important for the process of photosynthesis.
  4. Another term for a catabolic pathway.
  5. The substance that extracts the green pigment from leaves.
  6. A type of animal that uses energy from other sources, such as the sun, to keep themselves warm.
  7. Another term for an anabolic pathway.
  8. Organisms that need to obtain their food from eating other organisms.
  9. A plant that is placed in a dark cupboard for 2 days.
Down
  1. A chemical reaction that breaks down large molecules.
  2. An organelle found in plants that contains chlorophyll.
  3. An opening on the underside of leaves that allow gases to move in and out of the leaf.
  4. A type of animal that uses energy obtained from food to keep its body warm.
  5. A process of obtaining energy.
  6. The metabolic process of making food and oxygen by using up water and carbon dioxide.
  7. Organisms that can make their own food.
  8. Simplest food molecule formed through the process of photosynthesis.
  9. The metabolic process of breaking down food using oxygen and producing water and carbon dioxide as waste products.
  10. An external source of energy that is necessary for photosynthesis.
  11. Food is required to carry out this process.

20 Clues: A process of obtaining energy. • A stored form of glucose in plants. • Another term for a catabolic pathway. • Another term for an anabolic pathway. • Organisms that can make their own food. • Food is required to carry out this process. • A chemical reaction that builds up large molecules. • A chemical reaction that breaks down large molecules. • ...

science 2023-11-22

science crossword puzzle
Across
  1. a number placed in front of an element symbol or chemical formula in an equation
  2. stored energy
  3. the amount of matter in an object
  4. occurs when one substance reacts to another
  5. the mass per unit volume of a substance
  6. a charachteristic of matter that can be observed
  7. could be hot or cold
  8. more energy is released when the products form than is required
  9. energy due to motion
  10. occurs when substances react with oxidizing agents changing it to a new substance
  11. the amount of force per unit area applied to an objects surface
  12. the amount of space an item takes up
  13. more energy is required to break the bonds of the reactants
Down
  1. the ability to burn
  2. matter with a composition that is always the same
  3. from a liquid to a gas
  4. two or more atoms that are held together by convalent bonds
  5. when atoms form new bonds
  6. a starting substance in a chemical reaction
  7. the energy released when atoms form bonds
  8. the result of the motipon of all the particles heating the substance up
  9. a substance produced by a chemical reaction
  10. a substance containing one or more different elements chemically bonded together
  11. smallest thing in the universe
  12. consists of only one type of atom

25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...

Chemical and Physical change 2024-09-13

Chemical and Physical change crossword puzzle
Across
  1. One of the forms that matter can take, such as solid, liquid or gas
  2. A change in matter that does not form new substances
  3. A physical change from a gas to a solid
  4. Any substance that can burn
  5. A physical change from a liquid to a gas
  6. The breakdown of food by physical and chemical changes
  7. A substance with a fixed volume that flows and changes shape
  8. A chemical change where a substance burns
  9. A physical change from a gas to a liquid
  10. A reaction that absorbs heat
Down
  1. An atom or molecule
  2. A physical change from a liquid to a solid
  3. A reaction that releases heat
  4. An attractive force that holds two atoms together
  5. A physical change from a solid to a gas
  6. Any substance that takes up space and has mass
  7. A physical change from a solid to a liquid
  8. A chemical change where iron combines with oxygen and water
  9. A change in matter that forms one or more new substances
  10. A substance with no fixed shape or volume
  11. A substance with a fixed shape and volume
  12. A physical change where two or more substances are combined
  13. A physical change where a solid spreads through a liquid

23 Clues: An atom or molecule • Any substance that can burn • A reaction that absorbs heat • A reaction that releases heat • A physical change from a solid to a gas • A physical change from a gas to a solid • A physical change from a liquid to a gas • A physical change from a gas to a liquid • A substance with no fixed shape or volume • A substance with a fixed shape and volume • ...

Puzzle 4 2022-12-10

Puzzle 4 crossword puzzle
Across
  1. bacterium found in soil that helps in fixing nitrogen in leguminous plants
  2. Hepatitis is a general term for a disease that is caused by
  3. positive catalyst ------ the rate of reaction in a chemical reaction
  4. Impure camphor is purified by
  5. ray with the highest penetrating power?
  6. Which element is found in the highest amount in the universe?
  7. ____ is a drug or substance that makes you feel relaxed and makes your body work and react more slowly.
  8. Purest form of iron?
  9. NaHCO3 is chemical formula for ___________.
Down
  1. What is the mass number of an element, the atom of which contains two Protons, two neutrons and two electrons?
  2. ------ systems of the body primarily attacked by the HIV?
  3. Which organ of the body produces the fluid known as bile?
  4. Edward Jenner started ------
  5. If the pH value of a substance is lower than 7, it would be considered as ----
  6. ----- Power is the clean source of energy
  7. In which part of the body does digestion of protein starts?
  8. Sodium silicate is the chemical name of which mineral
  9. ------- hardness of water may be removed by the addition of sodium carbonate
  10. What is the unit of Curie?
  11. Brain and the spinal cord are invested by membranes called:

20 Clues: Purest form of iron? • What is the unit of Curie? • Edward Jenner started ------ • Impure camphor is purified by • ray with the highest penetrating power? • ----- Power is the clean source of energy • NaHCO3 is chemical formula for ___________. • Sodium silicate is the chemical name of which mineral • ------ systems of the body primarily attacked by the HIV? • ...

Biology Ch. 2 Terms 2022-09-15

Biology Ch. 2 Terms crossword puzzle
Across
  1. having an asymmetrical shape because of differing charges
  2. stored chemical energy that holds two atoms together
  3. a substance that dissolves to form hydrogen ions
  4. the smallest part of a covalent compound
  5. physical stuff that makes up the universe
  6. the starting materials of a chemical reaction
  7. organic compounds made of carbons, hydrogen, and oxygens
  8. basic building blocks of matter
  9. the attraction of water to itself
  10. containing carbon
  11. also known as fats
  12. the measure of the average speed of particles
  13. the process by which one substance is broken into smaller pieces by another substance
  14. the immaterial stuff that gets things done
Down
  1. a substance used to reduce a catalyst's undesired effects
  2. the tendency of living things to spread out
  3. the final materials in a chemical reaction
  4. the tendency of particles to spread out
  5. naturally-occurring catalysts in living things
  6. made up of amino acids
  7. the attraction of water to other substances
  8. the basic building blocks of nucleic acids
  9. a substance that provides an alternate rout from reactants to products that doesn't require as much energy
  10. a substance that dissolves to form hydroxide ions
  11. a pure substance made of two or more elements chemically combined
  12. pure substances made of only one kind of atom

26 Clues: containing carbon • also known as fats • made up of amino acids • basic building blocks of matter • the attraction of water to itself • the tendency of particles to spread out • the smallest part of a covalent compound • physical stuff that makes up the universe • the final materials in a chemical reaction • the basic building blocks of nucleic acids • ...

Science 2021-06-03

Science crossword puzzle
Across
  1. Any substance that has mass and takes up space by having volume
  2. A force of attraction that holds atoms or ions together in a molecule or crystal.
  3. term used for the elements and compounds after chemical reaction takes place
  4. the smallest unit of ordinary matter that forms a chemical element.
  5. term used for the elements and compounds before chemical reaction takes place
Down
  1. When both sides of a chemical equation have the same number of atoms it is __________
  2. change, Changes affecting the form of a chemical substance, but not its chemical composition.
  3. If the numbers of each type of atom are different on the two sides of a chemical equation, then the equation is _________
  4. the amount of matter in any given object

9 Clues: the amount of matter in any given object • Any substance that has mass and takes up space by having volume • the smallest unit of ordinary matter that forms a chemical element. • term used for the elements and compounds after chemical reaction takes place • term used for the elements and compounds before chemical reaction takes place • ...

Chemistry Crossword Puzzle 2022-02-16

Chemistry Crossword Puzzle crossword puzzle
Across
  1. Chex Mix
  2. Type of element that shares electrons to bond
  3. Type of element that donate electrons to form a bond
  4. Salt water
  5. The type of compound that forms between a metal and a nonmetal
  6. Has mass but not charge
  7. C₂O₄
  8. Mg²⁺
  9. Type of property that describes reactivity, flammability
Down
  1. Produces new chemical species
  2. Outermost shell of electrons
  3. Type of property that describes color, shape, hardness, conductivity
  4. SO₄²⁻
  5. Ba(NO₃)₂
  6. Particle that gives you the mass number
  7. Gives elements it's properties
  8. Nickel (III)
  9. Indicate the number of atoms in a chemical
  10. More than one atom bonded together
  11. What atoms are trying to achieve by forming ions
  12. Core of the atom
  13. Carbon-13's relationship to Carbon-12

22 Clues: C₂O₄ • Mg²⁺ • SO₄²⁻ • Chex Mix • Ba(NO₃)₂ • Salt water • Nickel (III) • Core of the atom • Has mass but not charge • Outermost shell of electrons • Produces new chemical species • Gives elements it's properties • More than one atom bonded together • Carbon-13's relationship to Carbon-12 • Particle that gives you the mass number • Indicate the number of atoms in a chemical • ...

Super Cool Crossword of Science!!! 2024-05-15

Super Cool Crossword of Science!!! crossword puzzle
Across
  1. 6th atomic element
  2. Two or more elements combined
  3. Not biotic
  4. Not abiotic
  5. Highest point on a wave
  6. Something that makes it's own food.
  7. Things on the periodic table
  8. The product of a chemical change
  9. Before a chemical change
  10. Sugar
  11. Breathing
  12. Slowest moving state of matter
  13. Large biological community
  14. Why plants are green
  15. What all living organisms need
  16. How compact something is
Down
  1. Things like mushrooms and bacteria
  2. Something that consumes energy other organisms make
  3. Second fastest moving state of matter
  4. Process of plants growing
  5. Chemical reaction usually creating fire
  6. The heat something has
  7. Fastest moving state of matter
  8. What everything is made of
  9. The powerhouse of the cell!!!
  10. Group of atoms

26 Clues: Sugar • Breathing • Not biotic • Not abiotic • Group of atoms • 6th atomic element • Why plants are green • The heat something has • Highest point on a wave • Before a chemical change • How compact something is • Process of plants growing • What everything is made of • Large biological community • Things on the periodic table • Two or more elements combined • The powerhouse of the cell!!! • ...

sciene 2025-06-27

sciene crossword puzzle
Across
  1. energy a form of energy
  2. the minimum amount of electricity that a power grid
  3. a chemical compound
  4. the rate of change of a quantity
  5. carries genetics
  6. a chemical compound
  7. electric charged
  8. move objects
  9. molecule made up of amino acid
  10. rule a chemical principle
  11. that is a constituent of RNA
  12. energy produced by the lactic acid system
Down
  1. second stage of cell division
  2. a chemical compound
  3. trait or gene
  4. the amount of a substance in a defined space
  5. third stage of cell division
  6. physical process of cell division
  7. area total area of outside surface
  8. the resting phase of cell division
  9. a negatively charged ion
  10. a chemical reaction
  11. the tendency of an object
  12. energy the stored energy in an object
  13. molecule with a net electric charge

25 Clues: move objects • trait or gene • carries genetics • electric charged • a chemical compound • a chemical compound • a chemical compound • a chemical reaction • energy a form of energy • a negatively charged ion • the tendency of an object • rule a chemical principle • third stage of cell division • that is a constituent of RNA • second stage of cell division • molecule made up of amino acid • ...

Chapter 2.4 Vocab Crossword Puzzle 2020-11-24

Chapter 2.4 Vocab Crossword Puzzle crossword puzzle
Across
  1. second step of cellular respiration occurs in eukaryotic cells
  2. series of chemical reaction that convert the energy in food molecules into useable form of ATP
  3. produces oxygen into atmosphere
  4. process by which glucose is broken down
  5. first step of cellular respiration
  6. where fermentation occurs
Down
  1. yeast out of atp process
  2. reaction to obtain energy from oxygen level
  3. used to make cheese yogurt and sour cream
  4. series of chemical reaction to give off oxygen

10 Clues: yeast out of atp process • where fermentation occurs • produces oxygen into atmosphere • first step of cellular respiration • process by which glucose is broken down • used to make cheese yogurt and sour cream • reaction to obtain energy from oxygen level • series of chemical reaction to give off oxygen • second step of cellular respiration occurs in eukaryotic cells • ...

Aaron Peacock 2022-03-08

Aaron Peacock crossword puzzle
Across
  1. is a reaction in which two or more substances combine to form a single new substance
  2. is a reaction in which two or more substance combine to form a single new substance
  3. simplest whole ratio of element within a compound
  4. is a reaction in which two or more substances combine to form a single new substance
  5. is a reaction in which the positive and negative ions of two ionic compounds exchange places to form two new compounds.
Down
  1. is the maxium amount of a reactant produce
  2. study of ratios within chemical reactions
  3. mass of one mole of a substance
  4. is a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat.
  5. the substance that will be use up first in chemical reaction

10 Clues: mass of one mole of a substance • study of ratios within chemical reactions • is the maxium amount of a reactant produce • simplest whole ratio of element within a compound • the substance that will be use up first in chemical reaction • is a reaction in which two or more substance combine to form a single new substance • ...

Ch. 13 Brookelyn Gleckler 2021-12-01

Ch. 13 Brookelyn Gleckler crossword puzzle
Across
  1. substance that lowers the activation energy of a chemical reaction,
  2. Not all collisions lead to
  3. if changed, the
  4. Bond Energy is also known as?
  5. shifts to oppose change,
  6. In a reaction there is a net
Down
  1. No atoms are gained or lost during any reaction.
  2. of energy.
  3. when reaction and it’s reverse act at the same rate.
  4. in a reaction there is a net release of energy.

10 Clues: of energy. • if changed, the • shifts to oppose change, • Not all collisions lead to • In a reaction there is a net • Bond Energy is also known as? • in a reaction there is a net release of energy. • No atoms are gained or lost during any reaction. • when reaction and it’s reverse act at the same rate. • substance that lowers the activation energy of a chemical reaction,

chapter 2 vocab 2013-09-23

chapter 2 vocab crossword puzzle
Across
  1. Deoxyribouncleic acid
  2. A pure substance made of only one kind of atom
  3. Compounds that form hydrogen ions when dissolved into water
  4. The energy needed to start a chemical reaction
  5. The hydrogen bonds between water molecules
  6. Smallest unit of life
  7. A substance made of the joined atoms of two or more elements
  8. Usually a large molecule formed by linking smaller molecules
  9. The building blocks of protein
  10. An atom or molecule that has gained or lost one or more electron
  11. Made of three parts: sugar, a base, and a phosphate
  12. on which an enzyme acts during a chemical reaction
  13. The ability to move or change matter
  14. An attraction between different substances
Down
  1. A long chain of smaller molecules
  2. Compounds that reduce the concentration of hydroxide ions
  3. Non polar molecules that are not soluble or mostly insoluble in water
  4. The building blocks of carbohydrates
  5. Organic compounds made of carbon, hydrogen, and oxygen atoms
  6. A large protein with fold from pockets
  7. Riboncleic acid
  8. Two or more atoms that share electrons to form a molecule
  9. Adenosine triphosphate
  10. A mixture in which one or more substances are evenly distributed
  11. Substances that increase the speed of chemical reactions

25 Clues: Riboncleic acid • Deoxyribouncleic acid • Smallest unit of life • Adenosine triphosphate • The building blocks of protein • A long chain of smaller molecules • The building blocks of carbohydrates • The ability to move or change matter • A large protein with fold from pockets • The hydrogen bonds between water molecules • An attraction between different substances • ...

science terms :D 2012-12-04

science terms :D crossword puzzle
Across
  1. rays a form of energy that you cannot see or feel
  2. Meter sticks or metric rulers are used to measure
  3. a gas that occurs naturally
  4. split apart
  5. The base unit for length
  6. this makes up molecules
  7. a chemical change in which oxygen reacts with other substances
  8. Celsius The base unit for temperature
  9. is formed in the earth from radium, which is also radioactive
  10. the prediction of what will happen
  11. can slowly destroy objects made of iron or steel
  12. The base unit for Mass
  13. A thermometer is used to measure
  14. of conservation of mass the fact that matter can neither be created nor destroyed by any chemical reaction
  15. reaction one or more substances change to form new substances
  16. the stuff that makes up everything
  17. how tightly packed the molecule are
Down
  1. is made of molecules
  2. a plentiful fossil fuel
  3. putting together
  4. the study of rocks
  5. this is a theory
  6. fusion a change in which small nuclei join to form a larger nucleus
  7. inquiring of something you don't know
  8. elements elements whose nuclei naturally break down into other nuclei, giving off particles and energy
  9. the stuff that makes up matter
  10. Graduated cylinders & beakers are used to measure

27 Clues: split apart • putting together • this is a theory • the study of rocks • is made of molecules • The base unit for Mass • a plentiful fossil fuel • this makes up molecules • The base unit for length • a gas that occurs naturally • the stuff that makes up matter • A thermometer is used to measure • the prediction of what will happen • the stuff that makes up everything • ...

Science Unit B 2014-11-03

Science Unit B crossword puzzle
Across
  1. experimented with the behavior of gases
  2. the 7 rows in the periodic table
  3. book describing the achievements of alchemists
  4. a compound formed when 2 non-metals combine
  5. NaCl
  6. 1 electron 1 proton and 0 neutrons
  7. organic catalyst
  8. no additional material is allowed to enter or leave
  9. the 18 columns in the periodic table
  10. an atom or group of atoms that become electrically charged because it has lost or gained electrons
  11. a new substance produced in a chemical reaction
Down
  1. absorbs heat
  2. material is allowed to leave and enter
  3. occurs when oxygen reacts with a new substance to form a new substance and give off energy
  4. Workplace Hazardous Materials Information System
  5. hardest material on the Mohs' hardness scale
  6. the mass of the reactants always equal the mass of the products
  7. Slow chemical change that occurs when oxygen in the air reacts to metal
  8. releases heat
  9. studied chemical reactions
  10. a substance that reacts with another substance or substances to create something new
  11. substances that help a reaction proceed faster
  12. the last Alkali metal on the Periodic table of elements
  13. used the word "Atomos"
  14. Gas to Solid and vice versa
  15. number that represents the number of atoms
  16. "indivisible'

27 Clues: NaCl • absorbs heat • releases heat • "indivisible' • organic catalyst • used the word "Atomos" • studied chemical reactions • Gas to Solid and vice versa • the 7 rows in the periodic table • 1 electron 1 proton and 0 neutrons • the 18 columns in the periodic table • material is allowed to leave and enter • experimented with the behavior of gases • ...

Concepts of basic chemistry 2017-01-02

Concepts of basic chemistry crossword puzzle
Across
  1. Electrolytes act as ___________ to maintain pH in the body.
  2. A primary, simple substance that cannot be broken by chemical means.
  3. _____________ refers to a high pH and low hydrogen circulating in extracellular fluid.
  4. These ions contain a negative charge.
  5. Electrolytes exert ___________ pressure to contain bodily fluids in their compartments.
  6. The chemistry of life processes.
  7. The breakdown of large molecules into smaller molecules.
  8. The science that deals with elements and molecular structure.
  9. Something that has mass and occupies space.
  10. A substance that has more than one element.
Down
  1. pH is the measure of ____________ ions in a solution such as blood.
  2. The building up of small molecules into bigger molecules.
  3. _____________ is a metabolic pathway of thew body.
  4. 7.35 - 7.45 is the normal pH of which bodily fluid?
  5. An ionic compound that when dissolved in water conducts electricity.
  6. The kidneys aid in regulating body pH through the reabsorption of ______________ ions.
  7. This is released as a result of a chemical reaction.
  8. The main form of energy used and produced by the body.
  9. These ions contain a positive charge.
  10. A chemical ______________ is the result of the atoms of an element rearranging themselves to form a new substance.
  11. The smallest unit of an element.

21 Clues: The chemistry of life processes. • The smallest unit of an element. • These ions contain a negative charge. • These ions contain a positive charge. • A substance that has more than one element. • Something that has mass and occupies space. • _____________ is a metabolic pathway of thew body. • 7.35 - 7.45 is the normal pH of which bodily fluid? • ...

Ecology Terminology 2023-07-06

Ecology Terminology crossword puzzle
Across
  1. A chemical reaction that makes food (occurring in plants)
  2. A consumer that obtains its nutrients by feeding off the body of another living
  3. Producers
  4. An organism that makes its own food.
  5. Energy used by plants for photosynthesis
  6. Non-living components of an ecosystem
  7. Community of living organisms and the environment they live in.
  8. A meat-eating consumer.
  9. An organism that eats other organisms to obtain nutrients.
  10. An organism’s physical, chemical and biological surroundings.
  11. A chemical reaction that releases energy from food.
Down
  1. An organism that obtains its nutrients by breaking down dead organisms and
  2. A group of organisms of the same species living in a particular community.
  3. A plant-eating consumer.
  4. Organisms that share an environmental resource, e.g. animals that eat the same
  5. The living components of an ecosystem
  6. moving between its living and non-living components)
  7. Different species of organisms living together in a particular place.
  8. The place in which an organism lives
  9. Process in which materials in an ecosystem are reused over and over again (by
  10. A consumer that feeds off the bodies of dead organisms.
  11. All living organisms are found in this ‘sphere’ (or layer around the Earth)
  12. Study of the interrelationships between organisms and their environments.

23 Clues: Producers • A meat-eating consumer. • A plant-eating consumer. • An organism that makes its own food. • The place in which an organism lives • The living components of an ecosystem • Non-living components of an ecosystem • Energy used by plants for photosynthesis • A chemical reaction that releases energy from food. • moving between its living and non-living components) • ...

Science Crossword 2023-07-10

Science Crossword crossword puzzle
Across
  1. A substance that speeds up a chemical reaction without depleting
  2. What is the name for the selective boiling and subsequent condensation of a component in a liquid mixture
  3. Liquid which has passed through a filter
  4. To make a product safe for consumption by heating
  5. A chemical that contains information on how to make an organism (acronym)
  6. nurturances that store fat for the body
  7. A material that physically attracts other substances
  8. A process that results in changes in the genetic material of a population over time
  9. A unit of measurement, symbol is v
  10. A negatively charged occurrence that is commonly found in an atom
  11. A material with small holes that make it able to absorb liquid
Down
  1. A substance that does not dissolve
  2. An organisms that share characteristics and are able to produce off spring
  3. What is the name for a process that breaks up protein and changes its three-dimensional structure
  4. A place where an organism makes its home
  5. What is the chemical reaction used by micro organisms to convert glucose into energy
  6. A type of stone made when magma or lava cools
  7. The name for the group 7 elements
  8. Organisms that are exact genetic copies
  9. A creature eaten by other animals

20 Clues: The name for the group 7 elements • A creature eaten by other animals • A substance that does not dissolve • A unit of measurement, symbol is v • nurturances that store fat for the body • Organisms that are exact genetic copies • Liquid which has passed through a filter • A place where an organism makes its home • A type of stone made when magma or lava cools • ...

Chemistry - MT 1 2023-12-07

Chemistry - MT 1 crossword puzzle
Across
  1. particles of light
  2. a negatively charged ion
  3. unit of energy
  4. a positively charged ion
  5. elements found between metals and nonmetals
  6. bonds formed when atoms share electrons
  7. a mixture in which substances are evenly distributed throughout the mixture
  8. a horizontal row of elements on the periodic table
  9. 0 kelvin
  10. elements found to the left side of the periodic table
Down
  1. a reaction that absorbs energy in the form of heat
  2. group 1 elements
  3. group 17 elements
  4. smallest particle of an element
  5. Avogadro's number of anything
  6. anything that has mass and takes up space
  7. groups of two or more atoms held together by chemical bonds
  8. elements found at the far right side of the periodic table
  9. a chemical reaction that gives off heat
  10. groups 3-12 on the periodic table
  11. the study of the properties of matter and how matter changes
  12. bonds resulting from the attraction between oppositely charged ions
  13. atoms of the same element with different numbers of neutrons
  14. a region in an atom where there is a high probability of finding electrons
  15. a number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound

25 Clues: 0 kelvin • unit of energy • group 1 elements • group 17 elements • particles of light • a negatively charged ion • a positively charged ion • Avogadro's number of anything • smallest particle of an element • groups 3-12 on the periodic table • a chemical reaction that gives off heat • bonds formed when atoms share electrons • anything that has mass and takes up space • ...

science 2023-11-22

science crossword puzzle
Across
  1. a number placed in front of an element symbol or chemical formula in an equation
  2. stored energy
  3. the amount of matter in an object
  4. occurs when one substance reacts to another
  5. the mass per unit volume of a substance
  6. a charachteristic of matter that can be observed
  7. could be hot or cold
  8. more energy is released when the products form than is required
  9. energy due to motion
  10. occurs when substances react with oxidizing agents changing it to a new substance
  11. the amount of force per unit area applied to an objects surface
  12. the amount of space an item takes up
  13. more energy is required to break the bonds of the reactants
Down
  1. the ability to burn
  2. matter with a composition that is always the same
  3. from a liquid to a gas
  4. two or more atoms that are held together by convalent bonds
  5. when atoms form new bonds
  6. a starting substance in a chemical reaction
  7. the energy released when atoms form bonds
  8. the result of the motipon of all the particles heating the substance up
  9. a substance produced by a chemical reaction
  10. a substance containing one or more different elements chemically bonded together
  11. smallest thing in the universe
  12. consists of only one type of atom

25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...

science 2023-11-22

science crossword puzzle
Across
  1. a number placed in front of an element symbol or chemical formula in an equation
  2. stored energy
  3. the amount of matter in an object
  4. occurs when one substance reacts to another
  5. the mass per unit volume of a substance
  6. a charachteristic of matter that can be observed
  7. could be hot or cold
  8. more energy is released when the products form than is required
  9. energy due to motion
  10. occurs when substances react with oxidizing agents changing it to a new substance
  11. the amount of force per unit area applied to an objects surface
  12. the amount of space an item takes up
  13. more energy is required to break the bonds of the reactants
Down
  1. the ability to burn
  2. matter with a composition that is always the same
  3. from a liquid to a gas
  4. two or more atoms that are held together by convalent bonds
  5. when atoms form new bonds
  6. a starting substance in a chemical reaction
  7. the energy released when atoms form bonds
  8. the result of the motipon of all the particles heating the substance up
  9. a substance produced by a chemical reaction
  10. a substance containing one or more different elements chemically bonded together
  11. smallest thing in the universe
  12. consists of only one type of atom

25 Clues: stored energy • the ability to burn • could be hot or cold • energy due to motion • from a liquid to a gas • when atoms form new bonds • smallest thing in the universe • the amount of matter in an object • consists of only one type of atom • the amount of space an item takes up • the mass per unit volume of a substance • the energy released when atoms form bonds • ...

chemistry bonus 2024-05-01

chemistry bonus crossword puzzle
Across
  1. point where two phases of a substance becomes indistinguishable from each other
  2. a compound that can act as either an acid or a base
  3. the minimum amount of energy that must be applied to a system to initiate a chemical change
  4. strong acids and bases ____ in water
  5. NaOH, KOH, Ca(OH)2, Ba(OH)2 are examples of ___
  6. the species produced when a base accepts a hydrogen ion (H+) from an acid
  7. to find the concentration of a basic solution, titrate with a known ___
  8. the change in heat of the products from the reactants
  9. monoprotic acid donates ___ proton per molecule
  10. to find the concentration of an acidic solution, titrate with a known ___
Down
  1. neutralization is what type of reaction
  2. solid to gas
  3. a procedure in which the concentration of a solution is determined by comparing it to a solution of known concentration
  4. as temperature _____ increases according to Gay-Lussac's law.
  5. HCl, HNO3, H2So4 are examples of ____
  6. the total amount of energy; movement
  7. the point at which the indicator used in a titration changes color.
  8. gas to a solid
  9. salt is what type of compound
  10. a substance that speeds up a chemical reaction without itself undergoing any chemical change

20 Clues: solid to gas • gas to a solid • salt is what type of compound • the total amount of energy; movement • strong acids and bases ____ in water • HCl, HNO3, H2So4 are examples of ____ • neutralization is what type of reaction • NaOH, KOH, Ca(OH)2, Ba(OH)2 are examples of ___ • monoprotic acid donates ___ proton per molecule • a compound that can act as either an acid or a base • ...

Photosynthesis & Cellular Respiration 2025-03-06

Photosynthesis & Cellular Respiration crossword puzzle
Across
  1. Gas that plants take in for photosynthesis and needed for cellular respiration
  2. The organelle where cellular respiration takes place
  3. The energy required for photosynthesis comes from this...
  4. The process that occurs in organisms to release energy from food for cells
  5. Photosynthesis and cellular respiration together makes up a ____________ where each provides what is needed for the other process.
  6. The location where water is absorbed by plants.
  7. The organelle where photosynthesis takes place
  8. The main source of energy for photosynthesis
  9. The molecule that stores energy released during cellular respiration
Down
  1. The process that occurs in plants to make food
  2. Sugar produced during photosynthesis and broken down in cellular respiration
  3. The gas that plants release during photosynthesis and is needed for cellular respiration
  4. Photosynthesis and Cellular Respiration are both types of ______________ that uses chemical compounds and creates new ones.
  5. This type of organism goes through both photosynthesis and cellular respiration.
  6. The liquid needed for photosynthesis to occur and is also produced in cellular respiration
  7. The things produces in a chemical reaction.
  8. The things needed for a chemical reaction to take place.
  9. The openings in leaves that allow gases to move in and out
  10. The pigment that captures sunlight in plant cells
  11. Where the first stage of cellular respiration takes place.

20 Clues: The things produces in a chemical reaction. • The main source of energy for photosynthesis • The process that occurs in plants to make food • The organelle where photosynthesis takes place • The location where water is absorbed by plants. • The pigment that captures sunlight in plant cells • The organelle where cellular respiration takes place • ...

ENVIRONMENTAL SCIENCE 2025-07-21

ENVIRONMENTAL SCIENCE crossword puzzle
Across
  1. common chemical substance on Earth
  2. excess water that flows across land
  3. All biochemical reactions in an organism
  4. the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
  5. pH higher than 7
  6. the solid outer mantle of Earth
  7. pH lower than 7
  8. A metabolic process where cells get energy (ATP) by using oxygen and releasing carbon dioxide from breaking down organic substances.
  9. the ability to do work
  10. the science that deals with the earth's physical structure and substance, its history, and the processes that act on it.
  11. has mass and takes up space
  12. breaking down of rocks and minerals
  13. study of energy
  14. all types of water resources
Down
  1. a pure substance
  2. substance formed after a chemical reaction
  3. where life operates
  4. found in water, soil, sediments
  5. removal of material via water
  6. essential in organic compound
  7. dependence on natural resources
  8. made two or more elements
  9. Substance that reacts in a chemical reaction
  10. return to earth via rain
  11. body of knowledge from study and experiment
  12. done when force is applied over distance
  13. concentration of hydronium ions
  14. the protective blanket of gases
  15. smallest particle of an element
  16. rate at which energy is used

30 Clues: pH lower than 7 • study of energy • a pure substance • pH higher than 7 • where life operates • the ability to do work • return to earth via rain • made two or more elements • has mass and takes up space • all types of water resources • rate at which energy is used • removal of material via water • essential in organic compound • found in water, soil, sediments • ...

Physics 2020-03-15

Physics crossword puzzle
Across
  1. name one metal which exist in free state
  2. acid suffix used for acid
  3. I am constant during refraction guess who am I
  4. c60also known as
  5. n butane and and 2 methylpropane are
  6. decay if pH of the mouth is less than 5.5 causes
  7. Hgs is called
  8. converging lens
  9. a current carrying helical coil is known as
Down
  1. valence bond theory proposed by
  2. in thermite reaction who acts as a reducing element
  3. the substance which does not take participate in a chemical reaction but changes the rate of reaction
  4. red strontium chloride gives.. flame
  5. unit of power
  6. most electron affinity element
  7. Nano tubes is invented by
  8. ore froth flotation method is used for
  9. evaporation is a
  10. if you want high resistance then what we have to connected resistors in series and parallel

19 Clues: unit of power • Hgs is called • converging lens • c60also known as • evaporation is a • Nano tubes is invented by • most electron affinity element • valence bond theory proposed by • n butane and and 2 methylpropane are • acid suffix used for acid • name one metal which exist in free state • a current carrying helical coil is known as • ...

Chemical Reactions Review 2022-05-03

Chemical Reactions Review crossword puzzle
Across
  1. end result of a chemical reaction
  2. an insoluble solid that's created when two liquids are mixed together
  3. reaction that releases energy into the environment
  4. starting substances
  5. a limitation
  6. solids,liquids,and gases
  7. reaction that absorbs energy from the environment
  8. to cause to disperse or disappear
  9. where one or more substances get altered
Down
  1. a process in which two or more substances are converted into one or more substances
  2. the energy of motion of particles within a substance
  3. one or more new substances
  4. protecting a natural substance
  5. says that the mass of the reactants is always going to be equal to the mass of the product
  6. a means of judging
  7. a demo/model
  8. container where reactants/products can escape
  9. pull out metal to reuse it
  10. container where none of the reactants/products can escape

19 Clues: a limitation • a demo/model • a means of judging • starting substances • solids,liquids,and gases • one or more new substances • pull out metal to reuse it • protecting a natural substance • end result of a chemical reaction • to cause to disperse or disappear • where one or more substances get altered • container where reactants/products can escape • ...

CHEMDYNAMIC CROSSWORD PUZZLE 2025-03-16

CHEMDYNAMIC CROSSWORD PUZZLE crossword puzzle
Across
  1. The gas taken in by plants at night for respiration.
  2. The force that holds atoms together in a molecule.
  3. Map A tool used to visually represent concepts and their relationships.
  4. A type of weak attraction between molecules, important in determining boiling points.
  5. A technique used to explore students’ understanding through verbal questioning.
  6. The scientist who developed a methodology for diagnostic tests in science education.
  7. The subject where students often struggle with misconceptions about bonding and structure.
Down
  1. The gas released by plants during photosynthesis.
  2. The element that forms the backbone of organic molecules.
  3. A test designed to identify students' misunderstandings in science.
  4. A common misconception about covalent bonding is that it involves the transfer of ____.
  5. The process in which green plants convert light energy into chemical energy.
  6. The type of chemical bond where electrons are shared between atoms.
  7. The study of matter and its interactions.
  8. The type of chemical reaction where bonds are broken and new substances form.

15 Clues: The study of matter and its interactions. • The gas released by plants during photosynthesis. • The force that holds atoms together in a molecule. • The gas taken in by plants at night for respiration. • The element that forms the backbone of organic molecules. • A test designed to identify students' misunderstandings in science. • ...

Chemistry Review 2019-11-04

Chemistry Review crossword puzzle
Across
  1. Type of reaction where carbon dioxide and water are produced
  2. Type of reaction where an acid and a base combine
  3. A metal (usually iron) rusts or is oxidized
  4. 2 words Examples are coal, oil, natural gas and gasoline
  5. Installed on smokestacks to prevent harmful products from entering the environment
  6. Substance containing hydrogen in solution with a pH less than 7
Down
  1. Chemical in the air that causes harm to living things or the environment
  2. Process of applying a zinc coating to protect iron or steel
  3. 2 words One of the key greenhouse gases that scientists are most concerned with
  4. 2 words Gas that traps heat in Earth's atmosphere preventing heat from escaping into space
  5. Substance usually containing hydroxide with a pH greater than 7
  6. Compounds produced in a chemical reaction

12 Clues: Compounds produced in a chemical reaction • A metal (usually iron) rusts or is oxidized • Type of reaction where an acid and a base combine • 2 words Examples are coal, oil, natural gas and gasoline • Process of applying a zinc coating to protect iron or steel • Type of reaction where carbon dioxide and water are produced • ...

TYPES OF REACTIONS 2024-05-11

TYPES OF REACTIONS crossword puzzle
Across
  1. The chemical formula of magnesium oxide is ______.
  2. What type of reaction is respiration
  3. removal of oxygen is called
  4. A compound used for whitewashing is
  5. The condition produced by aerial oxidation of fats and oils in foods marked by unpleasant smell and taste is called
  6. When a magnesium ribbon is burnt in air, the ash formed is
  7. A substance added to food containing fats and oils is called
Down
  1. …………. is the process in which metals are eaten up gradually by the action of air, moisture or a chemical on their surface.
  2. Reactions in which energy is given out are known as
  3. Reaction in which an element displaces another element from its compound is called
  4. Identify the type of reaction: H2 + Cl2 → 2HCl
  5. What type of chemical reactions take place when electricity is passed through water?
  6. The addition of oxygen to a substance is called
  7. How is the decomposition of silver chloride carried out?
  8. Precipitation reactions produce insoluble
  9. Which metal can prevent the corrosion of tin?

16 Clues: removal of oxygen is called • A compound used for whitewashing is • What type of reaction is respiration • Precipitation reactions produce insoluble • Which metal can prevent the corrosion of tin? • Identify the type of reaction: H2 + Cl2 → 2HCl • The addition of oxygen to a substance is called • The chemical formula of magnesium oxide is ______. • ...

Science 2021-06-03

Science crossword puzzle
Across
  1. A force of attraction that holds atoms or ions together in a molecule or crystal.
  2. If the numbers of each type of atom are different on the two sides of a chemical equation, then the equation is _________
  3. term used for the elements and compounds after chemical reaction takes place
  4. term used for the elements and compounds before chemical reaction takes place
Down
  1. change, Changes affecting the form of a chemical substance, but not its chemical composition.
  2. the amount of matter in any given object
  3. When both sides of a chemical equation have the same number of atoms it is __________
  4. the smallest unit of ordinary matter that forms a chemical element.
  5. Any substance that has mass and takes up space by having volume

9 Clues: the amount of matter in any given object • Any substance that has mass and takes up space by having volume • the smallest unit of ordinary matter that forms a chemical element. • term used for the elements and compounds after chemical reaction takes place • term used for the elements and compounds before chemical reaction takes place • ...

Chemistry terms 2023-02-18

Chemistry terms crossword puzzle
Across
  1. Chemical glass
  2. Chemical element that represents silver
  3. Base that can dissolve in water
  4. Interact and undergo a chemical or physical change.
  5. A colloidal suspension of particles dispersed in air or gas
  6. An organic compound containing the group —C(O)NH2
  7. Common container for liquids in chemistry
  8. The product of alcohol oxidation
  9. A very large quantity of something
  10. Atom with net electric charge
  11. Old chemical name for "water"
  12. The simplest and smallest ketone
  13. A chemical used to make materials whiter or for sterilizing
  14. The negatively charged electrode
  15. An apparatus used to turn vapours into liquids by cooling them down
  16. Two or more metals combined
  17. The action of adding an ingredient to something else
  18. When as a result of reaction to initial compound was added new one
  19. Something that settled to the bottom of liquid
  20. The action of purifying a liquid by a process of heating and cooling.
  21. A graduated glass tube with a tap at one end which is used for titration
  22. An apparatus for stirring liquid
  23. The sticking together of particles of different substances
  24. First representative of saturated hydrocarbons
  25. The existence of a chemical element in two or more forms
Down
  1. The state or process of rotting
  2. A substance that remains after a process
  3. A thin sphere of liquid enclosing air or another gas
  4. A vessel used to melt substances, usually metallic elements, prior to casting
  5. To decrease a concentration of solution
  6. The mass of a particular substance that can displace one gram of hydrogen or eight grams of oxygen
  7. A set of numbers used for measuring things
  8. A glass container for removing moisture
  9. Chemical term for "dry"
  10. Any substance that gives a visible sign of the presence or absence of a threshold concentration of a chemical species
  11. First representative of aromatic hydrocarbons
  12. Without a clearly defined shape
  13. Compound that gives off H+ ions in solution.
  14. A compound of metal and -OH group
  15. The opposite of accelerator
  16. The substance that causes chemical reaction
  17. A compound of metal and acidic residue
  18. A hollow container, especially one used to hold liquid
  19. The temperature at which a liquid bubbles and turns to vapour
  20. A strong force of attraction holding atoms together in a molecule

45 Clues: Chemical glass • Chemical term for "dry" • Two or more metals combined • The opposite of accelerator • Atom with net electric charge • Old chemical name for "water" • The state or process of rotting • Base that can dissolve in water • Without a clearly defined shape • The product of alcohol oxidation • The simplest and smallest ketone • The negatively charged electrode • ...

AG 2022-10-31

AG crossword puzzle
Across
  1. process: A method of using economic input.
  2. The chemical breakdown of substance.
  3. The sale of goods to the public.
  4. A person who purchase goods.
  5. The selling of goods.
  6. Borne Illness: caused by consuming contaminated food.
  7. An insistent and peremptory
  8. sensory Testing: The use of the human senses in the objective.
  9. Perform a series of mechanical operation.
  10. An incidental or secondary.
  11. A chemical element or substance
  12. A person, company, or country.
Down
  1. Gather or killing.
  2. An agent who supplies goods to stores.
  3. Integration: The combination in one company of two or more stages.
  4. processing: Any method used to turn fresh food into food products.
  5. nutrient: A chemical element of substances required.
  6. A stock of a resource
  7. A substance that causes an allergic reaction
  8. Production chain: The processes that describe how food from.
  9. The loss or remove.
  10. The quality of having origin or course.
  11. The temperature was well above freezing.

23 Clues: Gather or killing. • The loss or remove. • A stock of a resource • The selling of goods. • An insistent and peremptory • An incidental or secondary. • A person who purchase goods. • A person, company, or country. • A chemical element or substance • The sale of goods to the public. • The chemical breakdown of substance. • An agent who supplies goods to stores. • ...

Type I hypersensitivity 2025-05-02

Type I hypersensitivity crossword puzzle
Across
  1. People who are more likely to have these reactions are called ___ individuals
  2. For histamine release, mast cells (process name)
  3. Reexposure to antigen can lead to a local reaction or systemic ____
  4. This cytokine promotes Th2 cells and activates eosinophils
  5. Secondary mediator-linked vasodilation can lead to ___
  6. It takes ___ for this reaction to begin
  7. A quick easy way to test for type 1 hypersensitivities
  8. Mediators released by mast cells that enable SM contraction, vascular permeability and gland secretion are___
  9. Secondary mediator creation uses which chemical pathway?
  10. Are reactions only to harmless antigens?
  11. The first stage of type 1 hypersensitivities is called the ___ phase
  12. Mast cell degranulation releases histamine, chemotactic factors and ____
  13. Itchiness is caused by the
Down
  1. Late-phase reaction of the nose
  2. This can be administered to counteract low blood pressure and bronchospasms
  3. The effector phase involves the immediate hypersensitivity reaction and the ___ reaction
  4. The second stage of this reaction is called the ___ phase
  5. The effector phase happens after ___ to the antigen
  6. Redness seen in type 1 hypersensitivity can be explained by ____
  7. The main antibody involved here is ___
  8. Respiratory effects of secondary mediators include
  9. Type I hypersensitivities are classified as ____, due to their timeframe
  10. Both primary and secondary mediators contribute to the production of ___
  11. IgE binds to __ receptors during sensitisation
  12. Atopic individuals have higher IgE levels because they have more IL-4 producing ___ cells

25 Clues: Itchiness is caused by the • Late-phase reaction of the nose • The main antibody involved here is ___ • It takes ___ for this reaction to begin • Are reactions only to harmless antigens? • IgE binds to __ receptors during sensitisation • For histamine release, mast cells (process name) • Respiratory effects of secondary mediators include • ...

Chemistry 2.1 (as, a level) organic chemistry 2025-06-30

Chemistry 2.1 (as, a level) organic chemistry crossword puzzle
Across
  1. Reaction where an atom is replaced by a different atom or group
  2. Species that donates a lone pair of electrons to form a bond
  3. Series of compounds with same functional group but differing by CH₂
  4. Process that breaks long alkanes into shorter hydrocarbons
  5. Compound with a halogen atom replacing hydrogen in an alkane
  6. Molecule containing at least one double or triple bond
  7. Saturated hydrocarbon with single C–C bonds
  8. Reaction of hydrocarbons with oxygen to produce CO₂ and H₂O
  9. Reaction adding water across a double bond
  10. Species attracted to electron-rich regions
  11. Technique used to separate liquids based on boiling point
  12. Intermediate with a positively charged carbon atom
Down
  1. Formula showing the arrangement of atoms in a molecule
  2. Reaction where atoms add across a double bond
  3. GROUP Group of atoms responsible for chemical reactions of a compound
  4. Compound containing only carbon and hydrogen
  5. Method of producing ethanol from sugars
  6. Molecule containing only single bonds
  7. SUBSTITUTION Mechanism for reactions of haloalkanes with hydroxide ions
  8. Unsaturated hydrocarbon with a C=C double bond
  9. Formula showing all bonds in a molecule
  10. ADDITION Mechanism for reactions of alkenes with halogens or hydrogen halides
  11. Technique used to heat a reaction mixture without losing volatile substances
  12. Reaction turning a primary alcohol into an aldehyde or acid
  13. Compounds with same molecular formula but different structure

25 Clues: Molecule containing only single bonds • Method of producing ethanol from sugars • Formula showing all bonds in a molecule • Reaction adding water across a double bond • Species attracted to electron-rich regions • Saturated hydrocarbon with single C–C bonds • Compound containing only carbon and hydrogen • Reaction where atoms add across a double bond • ...

Structure of Matter 2019-05-05

Structure of Matter crossword puzzle
Across
  1. A substance made up of only one kind of atoms that cannot be broken down into simpler substances by chemical methods.
  2. The atoms of many elements cannot exist independently in nature and called _______ elements.
  3. The smallest particle of an element or a compound that can exist independently.
  4. The number of atoms present in a molecule of an element.
  5. The smallest particle of an element that can take part in a chemical reaction.
  6. The combining capacity of an element to attain stability.
  7. These are used to represent elements.
Down
  1. These are used to represent compounds.
  2. Certain elements show more than one valency, they exhibit _______ valency.
  3. The atoms of some elements can exist independently and called ________ elements.
  4. A substance formed by the chemical combination of two or more elements in fixed proportions.
  5. The elements or compounds that take part in a chemical reaction are called the _______.

12 Clues: These are used to represent elements. • These are used to represent compounds. • The number of atoms present in a molecule of an element. • The combining capacity of an element to attain stability. • Certain elements show more than one valency, they exhibit _______ valency. • The smallest particle of an element that can take part in a chemical reaction. • ...

Structure of Matter 2019-05-05

Structure of Matter crossword puzzle
Across
  1. Certain elements show more than one valency, they exhibit _______ valency.
  2. The atoms of some elements can exist independently and called ________ elements.
  3. The atoms of many elements cannot exist independently in nature and called _______ elements.
  4. A substance formed by the chemical combination of two or more elements in fixed proportions.
  5. These are used to represent compounds.
  6. These are used to represent elements.
  7. The combining capacity of an element to attain stability.
Down
  1. The elements or compounds that take part in a chemical reaction are called the _______.
  2. The number of atoms present in a molecule of an element.
  3. The smallest particle of an element that can take part in a chemical reaction.
  4. The smallest particle of an element or a compound that can exist independently.
  5. A substance made up of only one kind of atoms that cannot be broken down into simpler substances by chemical methods.

12 Clues: These are used to represent elements. • These are used to represent compounds. • The number of atoms present in a molecule of an element. • The combining capacity of an element to attain stability. • Certain elements show more than one valency, they exhibit _______ valency. • The smallest particle of an element that can take part in a chemical reaction. • ...

Energy for Life 2013-04-01

Energy for Life crossword puzzle
Across
  1. helps enzyme, some made of vitamins
  2. the enzyme that works on maltose
  3. past tense of get
  4. adenosine triphosphate
  5. place in cell where proteins are made
  6. cycle which is a series of reactions not requiring light
  7. first step in aerobic respiration
  8. requiring oxygen
  9. chemical test for starch
  10. gaining electrons
  11. process used in making bread and beer
  12. a chemical catalyst, lowers activation energy
  13. what an enzyme works on
  14. acid that builds up in muscles
  15. enzyme in saliva
Down
  1. powerhouse of the cell
  2. losing electrons
  3. substance that amylase works on
  4. model that explains enzymes
  5. electron carrier for respiration
  6. the test for monosaccharides
  7. electron carrier for photosynthesis
  8. anything that speeds up a reaction
  9. chemical that can absorb light energy

24 Clues: losing electrons • requiring oxygen • enzyme in saliva • past tense of get • gaining electrons • powerhouse of the cell • adenosine triphosphate • what an enzyme works on • chemical test for starch • model that explains enzymes • the test for monosaccharides • acid that builds up in muscles • substance that amylase works on • the enzyme that works on maltose • ...

7th Grade Key Terms 2023-05-22

7th Grade Key Terms crossword puzzle
Across
  1. a property that describes how well one substance dissolves in another substance
  2. to change state from a solid to a gas
  3. a push or a pull on an object
  4. to change state from a gas to a solid
  5. a solid structure whose atoms or molecules are arranged in a repeating, three-dimensional pattern
  6. an individual particle of an element
  7. a limitation on the range of possible solutions to a design
  8. a representation of an object which makes important aspects easier to see
  9. when referring to forces, pulling together
  10. a full-scale, working model of a design that can be tested as part of the design process
  11. a chemical reaction that releases more energy to the surroundings than it absorbs
  12. a property that describes the mass of a certain volume of matter
  13. the requirements that must be met for an engineering solution to be successful
  14. the state of matter in which atoms or molecules are completely separated from one another by empty space and can move around independently of one another
  15. the amount of force exerted over a certain area
  16. a chemical reaction that absorbs more energy from the surroundings than it releases
  17. to change state from a gas to a liquid
  18. a substance that exists before a chemical reaction takes place and changes as a result of the reaction
  19. to change state from a liquid to a gas at the surface of the liquid
  20. a unique particle of matter that is a fundamental building block of matter
Down
  1. a shorthand notation of one, two, or three letters that represent the name of the element
  2. a new substance that forms during a chemical reaction
  3. a measure of the average kinetic energy of the particles of a substance
  4. an amount of something measured per unit of something else
  5. the rate of change of an object’s velocity; can be speeding up, slowing down, or changing direction
  6. a characteristic of matter
  7. on a scale that people can see with their eyes
  8. the distance and direction that an object is from a reference point
  9. able to be broken down into smaller molecules by biological agents, such as bacteria
  10. the path that an object in space follows around another object due to gravitational forces between the objects
  11. the state of matter in which atoms or molecules are closely packed and touching one another in fixed positions
  12. a group of two or more atoms that are held together by chemical bonds
  13. a force that opposes motion between two surfaces that are touching
  14. a unit used to measure the strength of a force
  15. a type of extended structure that is made of many smaller, repeating subunits in a chain
  16. matter that has a constant chemical composition and characteristics
  17. the amount of gravitational force on an object
  18. the state of matter in which atoms or molecules are closely packed and touching one another but are not held in fixed positions
  19. the amount of matter in an object or sample
  20. an object’s speed and direction of motion
  21. the rate that describes how far an object moves over time
  22. thermal energy transferred from a warmer object to a cooler one

42 Clues: a characteristic of matter • a push or a pull on an object • an individual particle of an element • to change state from a solid to a gas • to change state from a gas to a solid • to change state from a gas to a liquid • an object’s speed and direction of motion • when referring to forces, pulling together • the amount of matter in an object or sample • ...

Review 1 - Final Test Semester 1 Grade 11 2024-11-13

Review 1 - Final Test Semester 1 Grade 11 crossword puzzle
Across
  1. Organic compounds required in small amounts for various biochemical reactions in the body, often functioning as enzyme cofactors.
  2. A single-stranded nucleic acid involved in protein synthesis and gene regulation.
  3. An RNA molecule that helps decode mRNA sequences into proteins by bringing the appropriate amino acids to the ribosome.
  4. A covalent bond formed between the amino group of one amino acid and the carboxyl group of another, linking amino acids in a protein.
  5. A substance that decreases the activity of an enzyme. Can be competitive, non-competitive, or uncompetitive.
  6. The process by which DNA is copied to produce two identical molecules, ensuring genetic information is passed on during cell division.
  7. A type of RNA that carries genetic information from the DNA to the ribosome, where it is used as a template for protein synthesis.
  8. A protein that accelerates (catalyzes) chemical reactions by lowering the activation energy required for the reaction to proceed.
  9. A non-protein chemical compound that is required for an enzyme’s activity, often a metal ion or a coenzyme.
  10. A three-nucleotide sequence in mRNA that specifies a particular amino acid or a stop signal during protein synthesis.
  11. Non-coding regions of a gene that are transcribed into mRNA but are removed during RNA processing before translation.
  12. The specific region of an enzyme where the substrate binds and undergoes a chemical reaction.
  13. Organic compounds made up of carbon, hydrogen, and oxygen that provide energy to living organisms. Examples include sugars and starches.
  14. Biological macromolecules (DNA and RNA) made of nucleotides that store and transmit genetic information.
  15. The twisted, double-stranded structure of DNA, discovered by Watson and Crick, held together by hydrogen bonds between base pairs.
Down
  1. Chemical modifications (such as phosphorylation, glycosylation, or acetylation) that occur to proteins after translation, affecting their function and activity.
  2. The energy required to start a chemical reaction, which enzymes lower to increase the reaction rate.
  3. Polymers made of amino acids that perform a wide variety of functions, including catalysis (enzymes), structure, and transport.
  4. A molecular machine composed of rRNA and proteins that catalyzes the translation of mRNA into a polypeptide chain.
  5. Lipids with a phosphate group, essential components of cell membranes, having both hydrophilic and hydrophobic properties.
  6. The building blocks of proteins. There are 20 standard amino acids that form proteins through peptide bonds.
  7. A group of hydrophobic molecules, including fats, oils, and phospholipids, that are important for energy storage and membrane structure.
  8. The molecule upon which an enzyme acts during a chemical reaction.
  9. Long chains of monosaccharides that serve as storage forms of energy or structural components, such as starch or cellulose.
  10. A theory describing how the enzyme’s active site adjusts its shape to better fit the substrate once it binds.
  11. The process in which mRNA is used as a template to synthesize proteins at the ribosome.
  12. A small organic molecule (often derived from vitamins) that helps an enzyme perform its catalytic activity.
  13. A double-stranded molecule that stores genetic information in cells, forming the basis of heredity.
  14. The coding regions of a gene that are transcribed into mRNA and translated into protein.
  15. The synthesis of RNA from a DNA template, producing messenger RNA (mRNA) for protein synthesis.
  16. Simple sugars (e.g., glucose, fructose) that are the basic building blocks of carbohydrates.
  17. The basic units of nucleic acids, consisting of a nitrogenous base, a sugar molecule, and a phosphate group.

32 Clues: The molecule upon which an enzyme acts during a chemical reaction. • A single-stranded nucleic acid involved in protein synthesis and gene regulation. • The process in which mRNA is used as a template to synthesize proteins at the ribosome. • The coding regions of a gene that are transcribed into mRNA and translated into protein. • ...

Chemistry Review 2019-11-04

Chemistry Review crossword puzzle
Across
  1. Compounds produced in a chemical reaction
  2. 2 words Gas that traps heat in Earth's atmosphere preventing heat from escaping into space
  3. Type of reaction where carbon dioxide and water are produced
  4. A metal (usually iron) rusts or is oxidized
  5. 2 words Examples are coal, oil, natural gas and gasoline
  6. Substance usually containing hydroxide with a pH greater than 7
  7. Process of applying a zinc coating to protect iron or steel
Down
  1. Installed on smokestacks to prevent harmful products from entering the environment
  2. Chemical in the air that causes harm to living things or the environment
  3. 2 words One of the key greenhouse gases that scientists are most concerned with
  4. Type of reaction where an acid and a base combine
  5. Substance containing hydrogen in solution with a pH less than 7

12 Clues: Compounds produced in a chemical reaction • A metal (usually iron) rusts or is oxidized • Type of reaction where an acid and a base combine • 2 words Examples are coal, oil, natural gas and gasoline • Process of applying a zinc coating to protect iron or steel • Type of reaction where carbon dioxide and water are produced • ...

Proteins 2021-09-20

Proteins crossword puzzle
Across
  1. Protein produced by living cells which act as a biological catalyst which speeds up chemical reactions
  2. A protein that is involved in defence in animals
  3. Fitting together like a hand in a glove
  4. The position on the surface of an enzyme molecule to which specific substrate molecules can bin d
  5. The substance made by an enzyme-catalysed reaction
  6. A reaction that breaks large molecules into smaller ones
  7. The shape of the active site is complementary to this
Down
  1. Each different enzyme acts on only one substrate
  2. Cell surface protein which allows a cell to recognise specific substrates
  3. Protein released by an endocrine gland into the blood to act as a chemical messenger
  4. Examples include proteins in membranes, muscle, bone and nails
  5. A reaction that builds smaller molecules into larger ones

12 Clues: Fitting together like a hand in a glove • Each different enzyme acts on only one substrate • A protein that is involved in defence in animals • The substance made by an enzyme-catalysed reaction • The shape of the active site is complementary to this • A reaction that breaks large molecules into smaller ones • ...

Proteins 2021-09-20

Proteins crossword puzzle
Across
  1. Protein produced by living cells which act as a biological catalyst which speeds up chemical reactions
  2. A protein that is involved in defence in animals
  3. Fitting together like a hand in a glove
  4. The position on the surface of an enzyme molecule to which specific substrate molecules can bind
  5. The substance made by an enzyme-catalysed reaction
  6. A reaction that breaks large molecules into smaller ones
  7. The shape of the active site is complementary to this
Down
  1. Each different enzyme acts on only one substrate
  2. Cell surface protein which allows a cell to recognise specific substrates
  3. Protein released by an endocrine gland into the blood to act as a chemical messenger
  4. Examples include proteins in membranes, muscle, bone and nails
  5. A reaction that builds smaller molecules into larger ones

12 Clues: Fitting together like a hand in a glove • Each different enzyme acts on only one substrate • A protein that is involved in defence in animals • The substance made by an enzyme-catalysed reaction • The shape of the active site is complementary to this • A reaction that breaks large molecules into smaller ones • ...

Structure of Matter 2019-05-05

Structure of Matter crossword puzzle
Across
  1. The combining capacity of an element to attain stability.
  2. The atoms of some elements can exist independently and called ________ elements.
  3. Certain elements show more than one valency, they exhibit _______ valency.
  4. A substance formed by the chemical combination of two or more elements in fixed proportions.
  5. These are used to represent elements.
  6. These are used to represent compounds.
Down
  1. The elements or compounds that take part in a chemical reaction are called the _______.
  2. The number of atoms present in a molecule of an element.
  3. The smallest particle of an element or a compound that can exist independently.
  4. The atoms of many elements cannot exist independently in nature and called _______ elements.
  5. The smallest particle of an element that can take part in a chemical reaction.
  6. A substance made up of only one kind of atoms that cannot be broken down into simpler substances by chemical methods.

12 Clues: These are used to represent elements. • These are used to represent compounds. • The number of atoms present in a molecule of an element. • The combining capacity of an element to attain stability. • Certain elements show more than one valency, they exhibit _______ valency. • The smallest particle of an element that can take part in a chemical reaction. • ...

Module 2 2025-08-18

Module 2 crossword puzzle
Across
  1. of vaporization
  2. pool
  3. Table
  4. cycle
  5. molecule
  6. reaction
  7. formula
  8. tension
  9. bond
Down
  1. symbol
  2. reaction
  3. reaction
  4. heat

13 Clues: pool • heat • bond • Table • cycle • symbol • formula • tension • reaction • reaction • molecule • reaction • of vaporization

AP Unit 4 Crossword 2022-03-24

AP Unit 4 Crossword crossword puzzle
Across
  1. an organic molecule serving as a cofactor; most vitamins function as these in metabolic reactions
  2. a process that occurs without an overall input of energy; a process that is energetically favorable
  3. a temporary complex formed when an enzyme binds to its substrate molecule
  4. the capacity to cause change, especially to do work (to move matter against an opposing force
  5. energy available in molecules for release in a chemical reaction; a form of potential energy
  6. the energy that matter possesses as a result of its location of spatial arrangement
Down
  1. a spontaneous chemical reaction in which there is a net release of free energy
  2. a measure of molecular disorder, or randomness
  3. thermal energy in transfer from one body of matter to another
  4. a nonspontaneous chemical reaction in which free energy is absorbed from the surroundings

10 Clues: a measure of molecular disorder, or randomness • thermal energy in transfer from one body of matter to another • a temporary complex formed when an enzyme binds to its substrate molecule • a spontaneous chemical reaction in which there is a net release of free energy • the energy that matter possesses as a result of its location of spatial arrangement • ...

Combustion 2026-02-10

Combustion crossword puzzle
Across
  1. the process of adding oxygen to something
  2. the process of a substance or chemical element oxidizing
  3. Rapid oxidation producing heat and light
  4. a stream of hot, burning gas from something on fire
  5. any basic substance that is used in or produced by a reaction involving changes to atoms or molecules
  6. the process of burning something completely
  7. The process of burning
  8. If a substance oxidizes, it combines with oxygen and loses hydrogen to form another substance, and if something oxidizes a substance, it causes it to do this.
  9. the power and ability to be physically and mentally active
Down
  1. a chemical combination of hydrogen and carbon, such as in oil or petrol
  2. the electrical system in an engine that causes the fuel to burn or explode in order to start the engine
  3. the fact of something such as a bomb exploding
  4. a substance that is used to provide heat or power, usually by being burned
  5. the part of a cooker, light, etc. that produces flame or heat
  6. the force you produce when you press something
  7. the process of a substance or chemical element oxidizing
  8. an occasion when two or more substances react with and change each other
  9. small dry sticks or other materials used to start a fire
  10. a chemical element that is a gas with no smell or colour. Oxygen forms a large part of the air on earth, and is needed by animals and plants to live.

19 Clues: The process of burning • Rapid oxidation producing heat and light • the process of adding oxygen to something • the process of burning something completely • the fact of something such as a bomb exploding • the force you produce when you press something • a stream of hot, burning gas from something on fire • the process of a substance or chemical element oxidizing • ...

Matter 2022-10-27

Matter crossword puzzle
Across
  1. temperature related
  2. scales with amount
  3. identity and ratio of the things of which a thing is made
  4. material in which electrons are shared between many atoms
  5. molecule with >1 type of atom
  6. state in which atoms are free to roam in three dimensions
  7. matter with uniform properties
  8. Type of bond in which electrons are not mobile.
  9. process that converts thermal energy into potential energy
  10. deliberately created by humans
  11. something partially or totally consumed in a reaction
  12. 6.022E23
Down
  1. measured with a balance
  2. non-uniform
  3. smallest part of an element that retains all its properties
  4. You need to see, but rarely see.
  5. energy, energy needed for a chemical reaction to proceed
  6. >1 unbonded touching substances
  7. self-sustaining exothermic reaction with oxygen gas.
  8. made from only one atom
  9. mass/volume
  10. has mass and takes up volume
  11. element 6

23 Clues: 6.022E23 • element 6 • non-uniform • mass/volume • scales with amount • temperature related • measured with a balance • made from only one atom • has mass and takes up volume • molecule with >1 type of atom • matter with uniform properties • deliberately created by humans • >1 unbonded touching substances • You need to see, but rarely see. • Type of bond in which electrons are not mobile. • ...

A Year of Chemistry 2022-11-28

A Year of Chemistry crossword puzzle
Across
  1. type of ion that forms with loss of electrons
  2. organic compound with an OH
  3. four carbon alkane
  4. the reaction between hydrocarbons and oxygen alkaline a soluble base
  5. smallest particle of matter
  6. the reaction type for substances breaking down
  7. two or more atoms bonded together
  8. a compound that releases H+ in water
  9. organic compound with a double bond
  10. the smallest element
  11. nail polish remover
  12. an chemical interaction between two substances state the type of symbol that describes physical appearance
  13. a charged particle
Down
  1. five carbon alkane
  2. 'double ....' between two ionic solutions electrons negatively charged subatomic particles
  3. an ion that forms an insoluble salt with silver
  4. a compound that forms a solution with a pH over 7
  5. the charge of an atom
  6. the bond between two nonmetals
  7. branch of chemistry studying carbon compounds
  8. the bond between metals and nonmetals
  9. 2 carbon alkane

22 Clues: 2 carbon alkane • five carbon alkane • four carbon alkane • a charged particle • nail polish remover • the smallest element • the charge of an atom • organic compound with an OH • smallest particle of matter • the bond between two nonmetals • two or more atoms bonded together • organic compound with a double bond • a compound that releases H+ in water • ...

Vocab 6B 2017-03-20

Vocab 6B crossword puzzle
Across
  1. reactions A chemical reaction in which heat is released and usually feels warm when the heat is released from the reaction.
  2. A chemical reaction that requires an input of energy and usually feels cold when it absorbs heat in the reaction.
  3. elements that have some properties of metals and non-metals and are found along the zigzag on the Periodic Table.
  4. electrons on the outermost energy level of an atom that determine the reactivity of the atom.
Down
  1. states that matter is neither created nor destroyed in ordinary chemical and physical changes.
  2. horizon row of elements
  3. veritable line of elements
  4. an interaction that holds atoms together.

8 Clues: horizon row of elements • veritable line of elements • an interaction that holds atoms together. • electrons on the outermost energy level of an atom that determine the reactivity of the atom. • states that matter is neither created nor destroyed in ordinary chemical and physical changes. • ...

Rates of Reactions 2017-05-02

Rates of Reactions crossword puzzle
Across
  1. Form of limestone reacting slowly
  2. The amount of energy needed for a reaction to begin
  3. The amount of particles in a given volume
  4. The unit of time
  5. Form of limestone reacting fast
Down
  1. The speed with which a particular chemical reaction progresses
  2. The larger that is the faster the rate of reaction
  3. Particles must do this before they react
  4. A substance that changes the rate of reaction without being used up
  5. Increasing the temperature gives the particles more ……….
  6. A biological catalyst

11 Clues: The unit of time • A biological catalyst • Form of limestone reacting fast • Form of limestone reacting slowly • Particles must do this before they react • The amount of particles in a given volume • The larger that is the faster the rate of reaction • The amount of energy needed for a reaction to begin • Increasing the temperature gives the particles more ………. • ...

Vocab words for science 2023-10-19

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

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 • ...

Vocabulary of Chemical Reaction 2024-10-15

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

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 • ...

science 2025-10-16

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

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 • ...

science crossword 2025-10-16

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

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 • ...

Intro to Chemistry 2022-08-30

Intro to Chemistry crossword puzzle
Across
  1. A pH above 7
  2. Two or more atoms joined together
  3. Bond in which electrons are equally shared between atoms
  4. A pH below 7
  5. A substance dissolved in a liquid
  6. Number of protons plus the number of neutrons
  7. A negatively charged part of an atom
  8. A liquid mixture
  9. An uncharged part of an atom
  10. Connection between atoms
  11. Liquid, solid, or gas at room temperature
Down
  1. An ingredient or atom that combines with others to cause a reaction
  2. The result of a chemical reaction
  3. A positively charged part of an atom
  4. Bond in which electrons are unequally shared between atoms
  5. An atom in which the number of neutrons is different from the number of protons
  6. Another name for an atom
  7. A substance that speeds up a reaction
  8. A liquid that dissolves a substance
  9. Part of the atom that contains protons and neutrons

20 Clues: A pH above 7 • A pH below 7 • A liquid mixture • Another name for an atom • Connection between atoms • An uncharged part of an atom • The result of a chemical reaction • Two or more atoms joined together • A substance dissolved in a liquid • A liquid that dissolves a substance • A positively charged part of an atom • A negatively charged part of an atom • ...

study guide 2022-09-13

study guide crossword puzzle
Across
  1. a molecule composed of amino acids joined together by peptide bonds
  2. enzymes that break down starch into sugar
  3. single building block
  4. quick energy
  5. Elements of nucleic acids
  6. monomer of a protein
  7. explain binding between the active site of an enzyme and a substrate molecule
  8. substance that speeds up the rate of a chemical reaction
  9. are the simplest form of carbohydrate
  10. part of the enzyme where the substrate binds
  11. When an enzyme binds to the appropriate substrate, subtle changes in the active site occur
  12. phosphorus groups, nitrogenous base, and sugar make this up
Down
  1. long term energy storage
  2. are relatively more complex carbohydrates. They are polymers made up of many monosaccharides.
  3. A catalyst that brings about a specific biochemical reaction.
  4. Elements of proteins
  5. reactant of an enzyme catalyzed reaction
  6. 1:2:1
  7. stores genetic information
  8. Competitive/Non-Competitive

20 Clues: 1:2:1 • quick energy • Elements of proteins • monomer of a protein • single building block • long term energy storage • Elements of nucleic acids • stores genetic information • Competitive/Non-Competitive • are the simplest form of carbohydrate • reactant of an enzyme catalyzed reaction • enzymes that break down starch into sugar • part of the enzyme where the substrate binds • ...

Wyatt Reed - Chemistry 2019-10-17

Wyatt Reed - Chemistry crossword puzzle
Across
  1. a liquid with a pH value above 7
  2. a substance formed through a chemical reaction
  3. a subatomic particle with a neutral charge
  4. a liquid with a pH value below 7
  5. The mass of an atom
  6. He made the Table of Elements periodic
  7. a substance that undergoes change during a reaction
  8. toxicity, flammability, and reactivity
  9. a subatomic particle with a positive charge
  10. a mixture that is the same all over (not soup)
  11. a mixture of different metals to make a new metal
Down
  1. a substance that cannot be broken down into simpler substances
  2. when liquid gets cold and turns into a solid
  3. when "clouds" form in a liquid
  4. materials mixed together
  5. color, texture, and density
  6. a subatomic particle with a negative charge
  7. The building blocks of matter
  8. A thing that is made of two or more elements
  9. the reaction of iron, oxygen, and water

20 Clues: The mass of an atom • materials mixed together • color, texture, and density • The building blocks of matter • when "clouds" form in a liquid • a liquid with a pH value above 7 • a liquid with a pH value below 7 • He made the Table of Elements periodic • toxicity, flammability, and reactivity • the reaction of iron, oxygen, and water • a subatomic particle with a neutral charge • ...

Chemistry 2nd semester Final Vocabulary 2025-05-21

Chemistry 2nd semester Final Vocabulary crossword puzzle
Across
  1. Solution that contains more hydroxide ions than hydrogen ions.
  2. Base that dissociates entirely into metal ions.
  3. Reactant leftover when a reaction stops.
  4. Acid that produces fewer ions.
  5. Solution that resist changes in pH when limited amounts of acid or base are added.
  6. Negative logarithm of the hydrogen ion concentration.
  7. Acid that produces the maximum number of ions.
  8. Standard solution.
  9. Study of quantitative relationships between the amounts of reactants used and amounts of products formed by a chemical reaction.
  10. An ionic compound made up of a cation from a base and an anion from an acid.
  11. Method for determining the concentration of a solution by reacting a known volume of that solution with a solution of a base of known concentration.
  12. Base that ionizes only partially in dilute solutions.
  13. Reactant that limits the extent of the reaction.
Down
  1. Value of the equilibrium constant expression for the self-ionization of water. 1 x 10-14.
  2. Point at which moles of hydrogen ion from the acid equal moles of hydroxide ion from the base.
  3. Substances that can act as both acids and bases.
  4. Negative logarithm of the hydroxide ion concentration.
  5. Ratio between the number of moles of any two of the substances in a balanced chemical equation.
  6. Solution that contains more hydrogen ions than hydroxide ions.

19 Clues: Standard solution. • Acid that produces fewer ions. • Reactant leftover when a reaction stops. • Acid that produces the maximum number of ions. • Base that dissociates entirely into metal ions. • Substances that can act as both acids and bases. • Reactant that limits the extent of the reaction. • Negative logarithm of the hydrogen ion concentration. • ...

The Chemistry of Fire 2026-03-18

The Chemistry of Fire crossword puzzle
Across
  1. _________ __________ is a product of incomplete combustion.
  2. An electrical outlet that catches on fire would be a "_____ _" fire.
  3. This type of extinguisher leaves no residue.
  4. A chemical reaction that absorbs energy and thus feels cold.
  5. A substance that burns easily.
  6. What is removed when you "stop, drop and roll"?
  7. You are charging an electric scooter and it catches on fire. This would be a "_____ _" fire.
  8. A fast, exothermic reaction where fuel reacts with oxygen.
  9. A fire made out of a wood would be a "______ _" fire.
  10. Most flammable fuels are organic and contain ______ and hydrogen, like methane (CH4) and propane (C3H8).
Down
  1. Soot is fine, black, dusty carbon leftover from the incomplete combustion of a fuel normally due to lack of _______.
  2. The amount of mass per unit volume of a substance. This determines whether a substance sinks or floats.
  3. A natural fiber that is harder to ignite.
  4. Gas produced by the complete combustion of carbon.
  5. One way to increase the flammability of a material is to increase its ______ ______.
  6. A fire at a gas station would most likely be "______ _"
  7. The toxic gaseous and solid mixture produced by a fire.
  8. The process of a liquid turning into a gas.
  9. This is used to put out a fire.
  10. You can tell whether a material is flammable or not by its ______ ______.
  11. A chemical reaction that feels hot is ____________.
  12. In order for a fire to occur there must be fuel, _______, and energy to start the reaction.

22 Clues: A substance that burns easily. • This is used to put out a fire. • A natural fiber that is harder to ignite. • The process of a liquid turning into a gas. • This type of extinguisher leaves no residue. • What is removed when you "stop, drop and roll"? • Gas produced by the complete combustion of carbon. • A chemical reaction that feels hot is ____________. • ...

2.4: Chemical Reactions and enzymes 2021-09-08

2.4: Chemical Reactions and enzymes crossword puzzle
Across
  1. minimum amount of energy needed to begin a chemical reaction
  2. the reactants of enzyme catalyzed reactions
  3. process that changes one set of compounds into another
  4. elements or compounds produced by a chemical reaction
Down
  1. elements or compounds that engage in a reaction
  2. biological catalyst; a protein
  3. a substance that speeds up the rate of a reaction without being consumed by the reaction

7 Clues: biological catalyst; a protein • the reactants of enzyme catalyzed reactions • elements or compounds that engage in a reaction • elements or compounds produced by a chemical reaction • process that changes one set of compounds into another • minimum amount of energy needed to begin a chemical reaction • ...

My crossword ♦♣♠♥→Chimin 2015-06-14

My crossword ♦♣♠♥→Chimin crossword puzzle
Across
  1. all substances made by this small particles
  2. First element in periodic table
  3. The substances produced when two or more elements combine in chemical reaction
  4. Element that name like Albert Einstein
Down
  1. Symbol is Fe
  2. Compound of Hydrogen and oxygen
  3. First element in the periodic table
  4. Symbol of Gold
  5. Second element in periodic table
  6. One way to make chemical reaction that use heat

10 Clues: Symbol is Fe • Symbol of Gold • Compound of Hydrogen and oxygen • First element in periodic table • Second element in periodic table • First element in the periodic table • Element that name like Albert Einstein • all substances made by this small particles • One way to make chemical reaction that use heat • ...

General Biology 2023-01-23

General Biology crossword puzzle
Across
  1. chemical process by which molecules such as glucose are broken down anaerobically.
  2. the main source of energy for cells and an important part of aerobic respiration.
  3. Extremely energetic electrons that are liberated from the inner nucleus.
  4. component of the air.
  5. a reaction that releases free energy in the process of the reaction.
  6. is a reaction that requires free energy to proceed.
  7. energylike property or state function of a system in thermodynamic equilibrium.
  8. the most common mechanism of regulating protein function and transmitting signals throughout the cell.
  9. the water-based solution which found inside of cells
  10. A substance present in all living cells that provides energy for many metabolic processes and is involved in making RNA.
  11. the type of respiration through which cells can break down sugars to generate energy in the absence of oxygen
  12. the process by which the body utilizes the energy released by catabolism to synthesize complex molecules.
  13. a simple monocarboxylic acid containing two carbons
  14. A chemical process in which oxygen is used to make energy from carbohydrates.
  15. a chemical reaction of the interaction of chemicals with water, leading to the decomposition of both the substance and water.
  16. A nucleoside phosphate compromised of a ribonucleoside and two phosphate
  17. a reaction that yields ATP through the catabolism of ketone bodies
  18. The primary phosphate group on the ATP molecules that is hydrolyzed when the
  19. a series of reactions that extract energy from glucose by splitting it into two three-carbon molecules called pyruvates.
  20. the act of bringing or coming together
  21. Triglycerides are a type of fat (lipid) found in your blood.
  22. An important mechanism by which cells can respond to their environment and
Down
  1. an organic acid that probably occurs in all living cells.
  2. , A chemical compound that is used to make one of the building blocks of DNA and RNA.
  3. the main source of energy for cells and an important part of aerobic respiration.
  4. A colorless, odorless reactive gas, the chemical element of atomic number 8 and the
  5. is needed to drive anabolic reactions.
  6. the movement of ions across a semipermeable membrane bound structure, down their electrochemical gradient.
  7. the stored form of glucose that's made up of many connected glucose molecules.
  8. a metabolite derived from glucose, fatty acid, and amino acid catabolism.
  9. cues
  10. a bacterial a process that takes place during the production of numerous food products.
  11. a substance or material consisting of very large molecules called macromolecules, composed of many repeating subunits
  12. the part of the metabolic process that breaks down large, complicated molecules into smaller ones in order to produce energy.
  13. provide structure and function for all living things, from microorganisms to humans.
  14. atoms or small molecules that bond together to form more complex structures such as polymers.
  15. the process of breathing in oxygen and breathing out carbon dioxide.
  16. The phosphate group is closest to the ribose sugar.
  17. a type of sugar normally made in the body from glucose.
  18. the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
  19. the ability of a cell to receive, process, and transmit signals with its environment and with itself.
  20. proteins that help speed up metabolism, or the chemical reactions in our bodies.
  21. the main type of sugar in the blood and is the major source of energy for the body's cells.

43 Clues: cues • component of the air. • is needed to drive anabolic reactions. • the act of bringing or coming together • is a reaction that requires free energy to proceed. • The phosphate group is closest to the ribose sugar. • a simple monocarboxylic acid containing two carbons • the water-based solution which found inside of cells • ...

General Biology 2023-01-23

General Biology crossword puzzle
Across
  1. Energy like property or state function of a system in thermodynamic equilibrium.
  2. a simple monocarboxylic acid containing two carbons
  3. The main source of energy for cells and an important part of aerobic respiration.
  4. The primary phosphate group on the ATP molecules that is hydrolyzed when the
  5. A substance present in all living cells that provides energy for many metabolic processes and is involved in making RNA.
  6. Proteins that help speed up metabolism, or the chemical reactions in our bodies.
  7. the movement of ions across a semipermeable membrane bound structure, down their electrochemical gradient.
  8. The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
  9. provide structure and function for all living things, from microorganisms to humans.
  10. The phosphate group is closest to the ribose sugar.
  11. The most common mechanism of regulating protein function and transmitting signals throughout the cell.
  12. the part of the metabolic process that breaks down large, complicated molecules into smaller ones in order to produce energy.
  13. An important mechanism by which cells can respond to their environment
  14. The act of bringing or coming together
  15. A nucleoside phosphate compromised of a ribonucleoside and two phosphate
  16. the type of respiration through which cells can break down sugars to generate energy in the absence of oxygen
  17. A chemical process in which oxygen is used to make energy from carbohydrates.
  18. The stored form of glucose that's made up of many connected glucose molecules.
  19. Chemical process by which molecules such as glucose are broken down anaerobically.
Down
  1. A colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
  2. A chemical reaction of the interaction of chemicals with water leading to the decomposition of both the substance and water.
  3. The main type of sugar in the blood and is the major source of energy for the body's cells.
  4. the process by which the body utilizes the energy released by catabolism to synthesize complex molecules.
  5. Are a type of fat (lipid) found in your blood.
  6. Extremely energetic electrons that are liberated from the inner nucleus.
  7. the water-based solution which found inside of cells
  8. The main source of energy for cells and an important part of aerobic respiration.
  9. A reaction that releases free energy in the process of the reaction.
  10. a metabolite derived from glucose, fatty acid, and amino acid catabolism.
  11. is needed to drive anabolic reactions.
  12. Atoms or small molecules that bond together to form more complex structures such as polymers.
  13. A bacterial a process that takes place during the production of numerous food products.
  14. A series of reactions that extract energy from glucose by splitting it into two three-carbon molecules called pyruvates.
  15. A reaction that yields ATP through the catabolism of ketone bodies
  16. A type of sugar normally made in the body from glucose.
  17. A substance or material consisting of very large molecules called macromolecules, composed of many repeating subunits
  18. An organic acid that probably occurs in all living cells.
  19. The process of breathing in oxygen and breathing out carbon dioxide.
  20. A chemical compound that is used to make one of the building blocks of DNA and RNA.
  21. Is a reaction that requires free energy to proceed.
  22. The ability of a cell to receive, process, and transmit signals with its environment and with itself.

41 Clues: is needed to drive anabolic reactions. • The act of bringing or coming together • Are a type of fat (lipid) found in your blood. • a simple monocarboxylic acid containing two carbons • The phosphate group is closest to the ribose sugar. • Is a reaction that requires free energy to proceed. • the water-based solution which found inside of cells • ...

IMPORTANT TERMS IN CHEMISTRY 2014-01-12

IMPORTANT TERMS IN CHEMISTRY crossword puzzle
Across
  1. energy The amount of energy it takes to break one mole of bonds
  2. fraction The number of moles of stuff in a mixture that are due to one of the compounds
  3. A measurement of the randomness in a system
  4. Law The volume of a gas at constant temperature varies inversely with pressure
  5. A substance that cannot be decomposed into simpler substances
  6. A compound that turns different colors at different pH values
  7. A unit used to measure temperature
  8. Law The volume of a gas at constant pressure is directly proportional to the temperature
Down
  1. mass The mass of one mole of particles
  2. A system of two or more distinct chemical substances
  3. A substance that slows down a chemical reaction
  4. A change in which one or more chemical elements or compounds form new compounds
  5. The amount of matter in an object
  6. substance containing an OH group attached to a hydrocarbon group
  7. A homogeneous mixture of a liquid with a gas or solid

15 Clues: The amount of matter in an object • A unit used to measure temperature • mass The mass of one mole of particles • A measurement of the randomness in a system • A substance that slows down a chemical reaction • A system of two or more distinct chemical substances • A homogeneous mixture of a liquid with a gas or solid • ...

Crossword Puzzle 2021-09-07

Crossword Puzzle crossword puzzle
Across
  1. This reaction breaks down molecules into smaller units and release energy.
  2. It the sum of all the biochemical reactions in an organism.
  3. Developing new knowledge based upon old knowledge.
  4. This is the ability to do work.
  5. It is a reaction that changes some chemical substances into others.
  6. Elements pertain to economic, social and political elements are essentially manmade features, which make cultural milieu.
  7. This is done when force is applied to an object over a distance.
Down
  1. Organized body of knowledge that is obtained by study and experimentation
  2. Elements like plants, animals, microorganisms, and men
  3. This is the outer mantle of the solid earth.
  4. Stored energy that depends upon the relative position of various parts of a system.
  5. This is the study of energy.
  6. Where life operates.
  7. An element which determines the variable character of the human habitat, its opportunities as well as limitations.
  8. This is anything that takes up space and has mass. Matter, in turn, is made up of chemical substances.

15 Clues: Where life operates. • This is the study of energy. • This is the ability to do work. • This is the outer mantle of the solid earth. • Developing new knowledge based upon old knowledge. • Elements like plants, animals, microorganisms, and men • It the sum of all the biochemical reactions in an organism. • This is done when force is applied to an object over a distance. • ...

Chemical Reactions 2012-11-14

Chemical Reactions crossword puzzle
Across
  1. A reaction which we cannot reverse.
  2. Safety equipment we wear to protect our eyes.
  3. A reaction which can be reversed.
Down
  1. The flame we use to heat things.
  2. A sign that a gas is being produced in a reaction.
  3. A gas which can be detected using lime water.
  4. The flame we use when we are not heating.
  5. A gas produced during some chemical reactions.

8 Clues: The flame we use to heat things. • A reaction which can be reversed. • A reaction which we cannot reverse. • The flame we use when we are not heating. • A gas which can be detected using lime water. • Safety equipment we wear to protect our eyes. • A gas produced during some chemical reactions. • A sign that a gas is being produced in a reaction.

CHEMISTRY 2025-11-18

CHEMISTRY crossword puzzle
Across
  1. An atom or molecule with a net electrical charge due to the loss or gain of one or more electrons.
  2. The number of protons in the nucleus of an atom.
  3. A substance that cannot be broken down into simpler substances by chemical means.
  4. A mixture where one substance (the solute) is dissolved evenly throughout another substance (the solvent).
  5. A chemical reaction where a substance combines rapidly with oxygen, releasing heat and light.
Down
  1. A chemical bond involving the sharing of electron pairs between atoms.
  2. A substance that increases the rate of a chemical reaction without undergoing a permanent chemical change itself.
  3. The region of space around the nucleus where electrons are most likely to be found.
  4. The process by which a solid changes directly into a gas without first becoming a liquid (e.g., dry ice).
  5. The basic unit of a chemical element.

10 Clues: The basic unit of a chemical element. • The number of protons in the nucleus of an atom. • A chemical bond involving the sharing of electron pairs between atoms. • A substance that cannot be broken down into simpler substances by chemical means. • The region of space around the nucleus where electrons are most likely to be found. • ...

science stuff 2022-03-21

science stuff crossword puzzle
Across
  1. An open system is a system that has external interactions
  2. In physics and chemistry, the law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy
  3. he action or process of replacing someone or something.
  4. the state or process of rotting
Down
  1. A chemical equation is the symbolic representation of a chemical reaction in the form of symbols
  2. a substance that takes part in and undergoes change during a reaction.
  3. a thing or person that is the result of an action or process.
  4. a multiplier or factor that measures some property
  5. the production of chemical compounds by reaction from simpler materials.
  6. A closed system is a physical system that does not allow transfer of matter in or out of the system

10 Clues: the state or process of rotting • a multiplier or factor that measures some property • he action or process of replacing someone or something. • An open system is a system that has external interactions • a thing or person that is the result of an action or process. • a substance that takes part in and undergoes change during a reaction. • ...

Biology Unit 2 2019-09-03

Biology Unit 2 crossword puzzle
Across
  1. The specific region of an enzyme where a chemical reaction occurs.
  2. Molecules that are long chains of lipid-carboxylic acid found in fats and oils.
  3. The most basic form of carbs.
  4. A substance that speeds up a chemical reaction.
  5. Any of various complex organic acids that are composed of nucleotide chains.
  6. The electromagnetic attraction between polar molecules in which hydrogen is bound to a larger atom.
  7. The basic structural units of nucleic acids with a nitrogen-containing base, a five-carbon sugar, and a phosphate group.
  8. The tendency of dissimilar particles or surfaces to cling to one another.
Down
  1. The tendency of similar or identical particles/surfaces to cling to one another.
  2. A substance that has amino acids, compounds and carbon, hydrogen, oxygen, nitrogen and sometimes sulfur and is found in many foods.
  3. The least possible amount of energy which is required to start a reaction.
  4. A small molecule that reacts with a similar molecule to form a larger molecule.
  5. The building blocks of proteins.
  6. Protein molecules in cells which work as biological catalysts. they speed up chemical reactions in the body, but do not get used up in the process.
  7. Sugars, starches and fibers found in fruits, grains, vegetables, and dairy products.
  8. A type of organic molecule found in living things. They are long chains of carbon and hydrogen molecules.

16 Clues: The most basic form of carbs. • The building blocks of proteins. • A substance that speeds up a chemical reaction. • The specific region of an enzyme where a chemical reaction occurs. • The tendency of dissimilar particles or surfaces to cling to one another. • The least possible amount of energy which is required to start a reaction. • ...

Biology Unit 2 2019-09-03

Biology Unit 2 crossword puzzle
Across
  1. A small molecule that reacts with a similar molecule to form a larger molecule.
  2. The basic structural units of nucleic acids with a nitrogen-containing base, a five-carbon sugar, and a phosphate group.
  3. The least possible amount of energy which is required to start a reaction.
  4. Molecules that are long chains of lipid-carboxylic acid found in fats and oils.
  5. Any of various complex organic acids that are composed of nucleotide chains.
  6. The electromagnetic attraction between polar molecules in which hydrogen is bound to a larger atom.
Down
  1. A substance that has amino acids, compounds and carbon, hydrogen, oxygen, nitrogen and sometimes sulfur and is found in many foods.
  2. A substance that speeds up a chemical reaction.
  3. Sugars, starches and fibers found in fruits, grains, vegetables, and dairy products.
  4. The specific region of an enzyme where a chemical reaction occurs.
  5. The most basic form of carbs.
  6. A type of organic molecule found in living things. They are long chains of carbon and hydrogen molecules.
  7. The building blocks of proteins.
  8. The tendency of dissimilar particles or surfaces to cling to one another.
  9. The tendency of similar or identical particles/surfaces to cling to one another.
  10. Protein molecules in cells which work as biological catalysts. they speed up chemical reactions in the body, but do not get used up in the process.

16 Clues: The most basic form of carbs. • The building blocks of proteins. • A substance that speeds up a chemical reaction. • The specific region of an enzyme where a chemical reaction occurs. • The tendency of dissimilar particles or surfaces to cling to one another. • The least possible amount of energy which is required to start a reaction. • ...

Photosynthesis! 2026-02-05

Photosynthesis! crossword puzzle
Across
  1. Process where molecules interact to create new molecules
  2. The chemical reaction where plants and other photosynthetic organisms convert sunlight into glucose
  3. The molecules on the left side of a chemical equation
  4. Plants can conduct photosynthesis without water
  5. Plants need this from the sun
  6. Plants need sugar to give them this
  7. This is where plants get their energy from
Down
  1. The molecules on the right side of a chemical reaction
  2. The organelle in plant cells where photosynthesis occurs
  3. This is where animals get their energy from, either by eating them directly or by eating other animals who have eaten them
  4. The part of the plant that gets water from the soil
  5. The gas that plants take out of the atmosphere to use for photosynthesis
  6. The simple sugar created by plants during photosynthesis
  7. Plants take this in through their roots as needed for photosynthesis
  8. If plants did not produce this gas during photosynthesis we would be dead by now!

15 Clues: Plants need this from the sun • Plants need sugar to give them this • This is where plants get their energy from • Plants can conduct photosynthesis without water • The part of the plant that gets water from the soil • The molecules on the left side of a chemical equation • The molecules on the right side of a chemical reaction • ...

Biochemistry Crossword Puzzle 2015-08-30

Biochemistry Crossword Puzzle crossword puzzle
Across
  1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  2. incapable of being dissolved
  3. a sugar present in milk. It is a disaccharide containing glucose and galactose units.
  4. a large molecule, or macromolecule, composed of many repeated subunits
  5. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
  6. a lipid containing a phosphate group in its molecule,
  7. the chemical breakdown of a compound due to reaction with water.
  8. A simple Sugar
  9. They contain hydrogen and oxygen in the same ratio as water (2:1) and typically can be broken down to release energy
  10. At least one double bonded carbon
  11. a compound of the sterol type found in most body tissues
  12. a hexose sugar found especially in honey and fruit.
  13. a fat in which the carbon atoms are fully hydrogenated
  14. Makes you stronger
  15. Found in amino acids containing carbon
  16. of, relating to, or derived from living matter
Down
  1. a simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.
  2. It is a polysaccharide consisting of chains of glucose monomers.
  3. A polysaccharide
  4. Many Sugars
  5. A simple organic compound containing both a carboxyl and an amino group
  6. take away or alter the natural qualities of
  7. Two monosaccharides
  8. To remove water from
  9. a compound consisting of two or more amino acids linked in a chain
  10. a carboxylic acid consisting of a hydrocarbon chain and a terminal carboxyl group, especially any of those occurring as esters in fats and oils.
  11. A polysaccharide
  12. a molecule that can be bonded to other identical molecules to form a polymer.
  13. a simple polyol compound
  14. Found on amino acids

30 Clues: Many Sugars • A simple Sugar • A polysaccharide • A polysaccharide • Makes you stronger • Two monosaccharides • To remove water from • Found on amino acids • a simple polyol compound • incapable of being dissolved • At least one double bonded carbon • Found in amino acids containing carbon • take away or alter the natural qualities of • of, relating to, or derived from living matter • ...