chemical reaction Crossword Puzzles

Year 9 Physics 2025-10-28

Year 9 Physics crossword puzzle
Across
  1. The bending of light as it passes between materials
  2. The height of a wave from its rest position
  3. A negatively charged particle found in shells around the nucleus
  4. Process where atoms gain or lose electrons to form ions
  5. Reaction that absorbs energy from its surroundings
  6. A positively charged particle found in the nucleus
  7. A substance made when two or more elements are chemically joined
  8. The amount of matter in an object
  9. When light bounces off a surface
  10. The flow of electric charge in a circuit
  11. Substance present at the start of a chemical reaction
  12. A substance that produces hydrogen ions (H⁺) in solution
Down
  1. The rate at which an object changes its velocity
  2. A substance that neutralises an acid to form salt and water
  3. A neutral particle found in the nucleus
  4. The force of gravity acting on an object's mass
  5. A pure substance made up of only one type of atom
  6. A charged atom that has gained or lost electrons
  7. Substance formed as a result of a chemical reaction
  8. The opposition to the flow of electric current
  9. The smallest particle of an element that still has its properties
  10. Reaction that releases energy to its surroundings
  11. The potential difference across two points in a circuit
  12. The number of waves that pass a point each second
  13. A vibration that travels through air or another medium
  14. Two or more atoms bonded together

26 Clues: When light bounces off a surface • The amount of matter in an object • Two or more atoms bonded together • A neutral particle found in the nucleus • The flow of electric charge in a circuit • The height of a wave from its rest position • The opposition to the flow of electric current • The force of gravity acting on an object's mass • ...

Photosynthesis & Respiration 2022-09-02

Photosynthesis & Respiration crossword puzzle
Across
  1. A chemical reaction that transfers energy from glucose to a chemical store called ATP (11 letters)
  2. An enzyme that breaks down proteins (8 letters)
  3. A molecule made up of fatty acids and fatty acids (5 letters)
  4. The part of a cell where respiration takes place (12 letters)
  5. A gas that is produced from aerobic respiration (2 words, 6 letters and 7 letters)
  6. An enzyme that breaks down lipids (6 letters)
  7. The enzyme that breaks down carbohydrates (12 letters)
Down
  1. A chemical produced from anaerobic respiration (2 words, 6 letters and 4 letters)
  2. A large molecule that is made of smaller sugar molecules (12 letters)
  3. The part of a plant cell where photosynthesis takes place (11 letters)
  4. A chemical reaction in plants that uses sunlight to make glucose (14 letters)
  5. A type of carbohydrate found in foods like potatoes (6 letters)
  6. A large molecule made up of amino acids (7 letters)

13 Clues: An enzyme that breaks down lipids (6 letters) • An enzyme that breaks down proteins (8 letters) • A large molecule made up of amino acids (7 letters) • The enzyme that breaks down carbohydrates (12 letters) • A molecule made up of fatty acids and fatty acids (5 letters) • The part of a cell where respiration takes place (12 letters) • ...

Photosynthesis & Respiration 2022-09-02

Photosynthesis & Respiration crossword puzzle
Across
  1. A chemical reaction that transfers energy from glucose to a chemical store called ATP (11 letters)
  2. An enzyme that breaks down proteins (8 letters)
  3. A molecule made up of fatty acids and fatty acids (5 letters)
  4. The part of a cell where respiration takes place (12 letters)
  5. A gas that is produced from aerobic respiration (2 words, 6 letters and 7 letters)
  6. An enzyme that breaks down lipids (6 letters)
  7. The enzyme that breaks down carbohydrates (12 letters)
Down
  1. A chemical produced from anaerobic respiration (2 words, 6 letters and 4 letters)
  2. A large molecule that is made of smaller sugar molecules (12 letters)
  3. The part of a plant cell where photosynthesis takes place (11 letters)
  4. A chemical reaction in plants that uses sunlight to make glucose (14 letters)
  5. A type of carbohydrate found in foods like potatoes (6 letters)
  6. A large molecule made up of amino acids (7 letters)

13 Clues: An enzyme that breaks down lipids (6 letters) • An enzyme that breaks down proteins (8 letters) • A large molecule made up of amino acids (7 letters) • The enzyme that breaks down carbohydrates (12 letters) • A molecule made up of fatty acids and fatty acids (5 letters) • The part of a cell where respiration takes place (12 letters) • ...

AP Bio Unit 3 vocab 2024-04-04

AP Bio Unit 3 vocab crossword puzzle
Across
  1. main energy source that cells use for most of their work
  2. The third step of aerobic (oxygen required) cellular respiration; electrons from acetyl-CoA are transferred to NADH and FADH2, which will carry electrons to the electron transport chain.
  3. Respiration that does not require oxygen; occurs in the cytosol. Does not produce as much ATP per glucose molecule.
  4. A high-energy electron carrier produced by glycolysis and the Krebs cycle. It carries energy to the electron transport chain, where it is stored in ATP.
  5. The process by which cells break down simple food molecules to release the energy they contain.
  6. A molecule that resembles the normal substrate and competes with the substrate for the active site; decreases enzyme activity.
  7. a region on an enzyme that binds to the substrate during a reaction.
  8. A series of membrane proteins that uses the energy from high energy electrons to produce ATP.
  9. A molecule that reduces the activity of an enzyme by binding to a location remote from the active site, changing the enzymes shape so that it can no longer catalyze a chemical reaction.
  10. Substance that speeds up the rate of a chemical reaction by lowering the activation energy required
  11. A change in the shape of a protein (such as an enzyme) that can be caused by changes in temperature or pH (among other things); results in the loss of secondary, tertiary, and quaternary protein structure.
Down
  1. The folds of the inner membrane of mitochondria; greatly increases the surface area.
  2. A highly folded, disk-shaped membrane compartment inside chloroplasts; the site of the light-dependent reactions.
  3. The first step of cellular respiration; breaks down glucose to produce pyruvate, ATP, NADH, and CO2
  4. Building blocks of protein
  5. Metabolic pathways that build larger molecules; ex: photosynthesis
  6. Step of the Calvin Cycle of photosynthesis where CO2 from the air is incorporated into organic molecules.
  7. A chemical reaction that requires the input of energy in order to proceed.
  8. Concentration of hydrogen ions in a solution
  9. Metabolic pathways that break down molecules; ex: cellular respiration
  10. A difference in proton (H+) concentration on either side of a membrane; produced by proton pumps in the electron transport chain
  11. A chemical reaction that releases energy because the products are more stable (lower energy) than the products
  12. Process by which autotrophs produce glucose using energy from the sun and CO2

23 Clues: Building blocks of protein • Concentration of hydrogen ions in a solution • main energy source that cells use for most of their work • Metabolic pathways that build larger molecules; ex: photosynthesis • a region on an enzyme that binds to the substrate during a reaction. • Metabolic pathways that break down molecules; ex: cellular respiration • ...

Chemistry Vocabulary 2022-10-05

Chemistry Vocabulary crossword puzzle
Across
  1. a joining of different parts
  2. mass the mass of a given molecule
  3. process of rotting or decaying
  4. number on the bottom right of a symbol
Down
  1. a numerical or constant quantity
  2. left of the arrow in a chemical reaction
  3. result of a chemical reaction
  4. a group of atoms bonded together
  5. process of burning something
  6. very important unit of measurement

10 Clues: a joining of different parts • process of burning something • result of a chemical reaction • process of rotting or decaying • a numerical or constant quantity • a group of atoms bonded together • mass the mass of a given molecule • very important unit of measurement • number on the bottom right of a symbol • left of the arrow in a chemical reaction

Chemical Puzzle 2023-04-14

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

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

Stoichiometry 2022-02-16

Stoichiometry crossword puzzle
Across
  1. a branch of chemistry that deals with the amount of matter in a chemical equation
  2. the substances produced at the end of a chemical reaction
  3. when a chemical equation has the same number of each element on both sides
  4. the total mass of a substance
Down
  1. a ratio comparing the amount of moles in any two substances in a chemical reaction.
  2. a metric unit of measurement that measures volume
  3. two or more substances that combine or react
  4. the smallest particle of a substance
  5. a statement in which two expressions are equal
  6. unit for measuring large quantities

10 Clues: the total mass of a substance • unit for measuring large quantities • the smallest particle of a substance • two or more substances that combine or react • a statement in which two expressions are equal • a metric unit of measurement that measures volume • the substances produced at the end of a chemical reaction • ...

Dylan Couto 2022-03-08

Dylan Couto crossword puzzle
Across
  1. max amount of product that can be produced based on the limiting reactant
  2. a source of nuclear energy
  3. the lowest whole number ratio
  4. add coefficients to the front of certain substances in a chemical reaction
  5. mass of one mole of a substance
Down
  1. the actual divided by the theoretical
  2. study of ratios within chemical reactions
  3. multiple of an empirical formula
  4. the substance that will be used up first in chemical reaction
  5. allows you to convert from one substance to another

10 Clues: a source of nuclear energy • the lowest whole number ratio • mass of one mole of a substance • multiple of an empirical formula • the actual divided by the theoretical • study of ratios within chemical reactions • allows you to convert from one substance to another • the substance that will be used up first in chemical reaction • ...

"Just for Fun" Chemistry Crossword Puzzle 2020-03-15

"Just for Fun" Chemistry Crossword Puzzle crossword puzzle
Across
  1. Oxy Acids are composed of __________ attached to a polyatomic ion containing oxygen.
  2. Chloride The correct name for a compound with the name of NaCl.
  3. Change A change in which new substances are formed is called a ___________.
  4. A chemical __________ occurs when two or more molecules interact with each other causing the molecules to change.
  5. The law of Conservation of mass states that the total mass of the reactants is always equal to the mass of the _______.
  6. The amount of hydrogen atoms in a water molecule is ______.
  7. The correct chemical formula for the compound HCO 3- is __________.
  8. The reaction between an acid and base produces water and an ionic compound is known as.
  9. A solution with a pH of 3.5 can be named as ______.
Down
  1. A multivalent compound is a compound in which an element has more than one __________.
  2. This type of reaction occurs when the product side of an equation consists of oxygen and fuel.
  3. displacement __________ is when two reactants switch places creating two new compounds.
  4. Substances written on the right side of an equation.
  5. An equation with 2 reactants and 1 product is called.
  6. Change A change in which no new substances are formed is called a _____________.

15 Clues: A solution with a pH of 3.5 can be named as ______. • Substances written on the right side of an equation. • An equation with 2 reactants and 1 product is called. • The amount of hydrogen atoms in a water molecule is ______. • Chloride The correct name for a compound with the name of NaCl. • The correct chemical formula for the compound HCO 3- is __________. • ...

Chemical reactions 2024-05-15

Chemical reactions crossword puzzle
Across
  1. How well something can be shaped into something else without breaking
  2. The state in which molecules are tightly banded together
  3. The ability to dissolve in a liquid
  4. How an item reacts to acid
  5. When a reaction occurs between two substances and changes the matter
  6. how metals react to oxygen over time
  7. The measure of a substances ability to stretch
  8. An objects resistance to being damaged
  9. how heat and fire affects an object
  10. How a substance reacts to another substance
  11. How much matter in an object
  12. How an item effects the structure of an organism
  13. The mass in a certain amount of volume
Down
  1. Anything that has substance
  2. How a substance feels to the touch
  3. How an objects color reacts when put with another object
  4. How often an object breaks or shatters
  5. The state in which molecules can slide past and around each other
  6. Amount of space taken by an object
  7. How an item reacts to water
  8. When a reaction occurs to a substance and the matter does not change
  9. How well metal can be turned into wire
  10. How much tension an object can hold
  11. The state in which molecules are far and disjointed from each other
  12. The thickness of a liquid
  13. The smell of a substance

26 Clues: The smell of a substance • The thickness of a liquid • How an item reacts to acid • Anything that has substance • How an item reacts to water • How much matter in an object • How a substance feels to the touch • Amount of space taken by an object • How much tension an object can hold • The ability to dissolve in a liquid • how heat and fire affects an object • ...

Science Vocab 2023-10-19

Science Vocab crossword puzzle
Across
  1. An answer that needs evidence to support it.
  2. A cluster of two or more atoms.
  3. The output of a chemical reaction.
  4. How many atoms in a molecule
  5. Allowed
Down
  1. Supports an answer.
  2. The input of a chemical reaction.
  3. Supports the support to an answer.
  4. Not allowed

9 Clues: Allowed • Not allowed • Supports an answer. • How many atoms in a molecule • A cluster of two or more atoms. • The input of a chemical reaction. • The output of a chemical reaction. • Supports the support to an answer. • An answer that needs evidence to support it.

Enzymes and Digestion 2017-02-10

Enzymes and Digestion crossword puzzle
Across
  1. The product of starch digestion.
  2. The enzyme that digests lipid.
  3. Collisions occur at a faster rate when this is high.
  4. What enzyme and substrate must do before a chemical reaction takes place
  5. The temperature at which enzymes work fastest.
  6. A specific protein that controls the rate of chemical reactions in living organisms
Down
  1. The general name for the molecule that binds to the active site of an enzyme.
  2. When this is digested amino acids are produced.
  3. The enzyme that digests starch.
  4. The chemical that is made in a reaction.
  5. When this is digested glycerol and three fatty acids are produced.

11 Clues: The enzyme that digests lipid. • The enzyme that digests starch. • The product of starch digestion. • The chemical that is made in a reaction. • The temperature at which enzymes work fastest. • When this is digested amino acids are produced. • Collisions occur at a faster rate when this is high. • When this is digested glycerol and three fatty acids are produced. • ...

Chemical Formulas and Reactions 2023-10-10

Chemical Formulas and Reactions crossword puzzle
Across
  1. a number written below and to the right of a chemical symbol that shows the number of a specific type of atom present
  2. the formation of solids from a solution
  3. matter is neither created nor destroyed; only rearranged
  4. combined atoms of the same element (e.g. O2)
Down
  1. the number placed in front of a chemical formula in a chemical equation; represents the number of molecules of that substance
  2. formula that describes solutions by their chemical symbols
  3. substance(s) resulting from a chemical reaction
  4. substances that are combined and changed during a chemical reaction
  5. a substance made of two or more elements (e.g. H2O)

9 Clues: the formation of solids from a solution • combined atoms of the same element (e.g. O2) • substance(s) resulting from a chemical reaction • a substance made of two or more elements (e.g. H2O) • matter is neither created nor destroyed; only rearranged • formula that describes solutions by their chemical symbols • ...

Balancing Equations 2021-09-10

Balancing Equations crossword puzzle
Across
  1. Used for the reaction
  2. fire
  3. Dissolves
  4. Bubbling
  5. Multiple to all the atoms in a formula
Down
  1. The equation of a chemical reaction.
  2. Number of atoms of the element
  3. Equal
  4. The result

9 Clues: fire • Equal • Bubbling • Dissolves • The result • Used for the reaction • Number of atoms of the element • The equation of a chemical reaction. • Multiple to all the atoms in a formula

Chemistry Vocab 2025-09-04

Chemistry Vocab crossword puzzle
Across
  1. Able to catch fire easily
  2. Tending to combine with or dissolve in lipids or fats.
  3. Detailed information document prepared by the manufacturer or importer of a hazardous chemical
  4. Chemical change that involves the transfer of electrons or oxygen among atoms
  5. The study of the properties of matter and how matter changes
  6. Ameasure of how acidic or basic a solution is
  7. Able to dissolve other substances
  8. Achemical reaction that releases energy by light or heat
  9. Not forming a homogeneous mixture when added together
  10. Asubstance that tends to reduce the surface tension of a liquid in which it is dissolved.
Down
  1. Cancer causing
  2. A solution that has a pH above 7.0 (neutral)
  3. Liquid mixture that occurs when hydrogen ions are released when combined with water
  4. Forming a homogeneous mixture when added together
  5. Any chemical reaction that absorbs heat from its environment
  6. Having a tendency to mix with, dissolve in, or be wetted by water.
  7. An organic compound, carboxylic acid with a thiol group
  8. Capable of catching fire or burning

18 Clues: Cancer causing • Able to catch fire easily • Able to dissolve other substances • Capable of catching fire or burning • A solution that has a pH above 7.0 (neutral) • Ameasure of how acidic or basic a solution is • Forming a homogeneous mixture when added together • Not forming a homogeneous mixture when added together • ...

UT 2024-07-06

UT crossword puzzle
Across
  1. a type of bonding that involves a transfer of electrons from one atom to another
  2. forces that exist between molecules
  3. a chemical reaction that involves the loss of a water molecule from the reacting molecules
  4. covalent Bond- a type of chemical bond where a pair of electrons is unequally shared between two atoms
  5. covalent Bond- a type of chemical bond where two atoms share a pair of electrons with each other equally
  6. attractive forces that hold atoms together in compounds
  7. a type of chemical bond where two atoms share pairs of electrons
Down
  1. lipids organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents
  2. a small molecule that can combine with others to form a polymer
  3. forces that hold atoms together within a molecule
  4. a chemical reaction where water is used to break down the bonds of certain substances
  5. bonds the force of attraction between valence electrons and the metal ions

12 Clues: forces that exist between molecules • forces that hold atoms together within a molecule • attractive forces that hold atoms together in compounds • a small molecule that can combine with others to form a polymer • a type of chemical bond where two atoms share pairs of electrons • bonds the force of attraction between valence electrons and the metal ions • ...

Stoichiometry 2022-02-10

Stoichiometry crossword puzzle
Across
  1. Branch of chemistry that deals with the relative quantities of reactants and products in chemical reactions
  2. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  3. on the left side of a chemical equation
  4. the mass in grams of one mole of a compound
Down
  1. on the right side of a chemical equation
  2. unit in chemistry to measure atoms or molecules
  3. what you use to show how the reactants and products of a chemical reaction
  4. a unit of that is equal to 22.4
  5. using coefficients to ______ an equation

9 Clues: a unit of that is equal to 22.4 • on the left side of a chemical equation • on the right side of a chemical equation • using coefficients to ______ an equation • the mass in grams of one mole of a compound • unit in chemistry to measure atoms or molecules • what you use to show how the reactants and products of a chemical reaction • ...

Unit 2: Extra Credit 2020-10-30

Unit 2: Extra Credit crossword puzzle
Across
  1. the day-to-day state of the atmosphere.
  2. A substance produced during a chemical reaction.
  3. A number placed in front of a chemical formula that represents the number of molecules.
  4. An instrument that measures the amount of atmospheric pressure.
  5. The natural movement of air caused by the uneven heating of the Earth by the Sun.
  6. A substance that takes part in and undergoes change during a chemical reaction.
Down
  1. The number that comes after an element in a chemical formula.
  2. A rising and falling current caused by molecules heating and cooling.
  3. A large tropical weather system with extremely low air pressure, high wind, and heavy rain.
  4. The transfer of energy/heat through the air that we can feel.
  5. A scientific tool used to measure wind speed.
  6. The amount of water vapor or moisture content in air.
  7. The transfer of heat energy from one molecule to another up a metal rod.

13 Clues: the day-to-day state of the atmosphere. • A scientific tool used to measure wind speed. • A substance produced during a chemical reaction. • The amount of water vapor or moisture content in air. • The number that comes after an element in a chemical formula. • The transfer of energy/heat through the air that we can feel. • ...

Conservation of Mass 2016-01-13

Conservation of Mass crossword puzzle
Across
  1. Is part of the 8 group in the periodic table.
  2. Is part of the 12 group in the periodic table.
  3. Substance that is formed as the result of a chemical reaction.
  4. He was the first Russian Scientist of natural importance
  5. Substances initially present in a chemical reaction that are consumed during the reaction to make products.
Down
  1. He is widely considered in popular literature as the "father of modern chemistry"
  2. Is part of the 11 group in the periodic table.
  3. An action in a reverse direction or manner.
  4. The downward force caused by gravity on an object.
  5. A measure of how much matter is in an object.

10 Clues: An action in a reverse direction or manner. • Is part of the 8 group in the periodic table. • A measure of how much matter is in an object. • Is part of the 11 group in the periodic table. • Is part of the 12 group in the periodic table. • The downward force caused by gravity on an object. • He was the first Russian Scientist of natural importance • ...

Stoichiometry Vocab 2017-08-03

Stoichiometry Vocab crossword puzzle
Across
  1. gases in the Earth's atmosphere that allow sunlight to enter the atmosphere but prevent heat from escaping
  2. in a chemical reaction, the percentage of the theoretical yield that was actually attained
  3. the reactant that determines the amount of product formed in a chemical reaction
  4. the amount of product actually produced by a chemical reaction
Down
  1. the numerical relationships amount chemical quantities in a balanced chemical equation
  2. changes in the Earth's climate caused by human emission of gases into the atmosphere
  3. the maximum amount of product that can be made in a chemical reaction based on the amount of limiting reactant

7 Clues: the amount of product actually produced by a chemical reaction • the reactant that determines the amount of product formed in a chemical reaction • changes in the Earth's climate caused by human emission of gases into the atmosphere • the numerical relationships amount chemical quantities in a balanced chemical equation • ...

General Chemistry 2020-05-24

General Chemistry crossword puzzle
Across
  1. unit of mass, it's abbreviation is lbs.
  2. scale where the freezing point is 32° _ and it's oiling point is 212° _
  3. 1 kilogram is equivalent to 1000 _____
  4. the most time consuming but easiest way of separating substance
  5. point when the temperature reaches 0° C
  6. measures the amount of matter in
  7. a process that uses a high boiling point in removing particles or bacteria
  8. the surface's characteristic, often describe with the words soft, rough, etc.
  9. a pure substance or any mixture
  10. amount of space that is occupied
  11. a process where they use sifters to separate a dry mixture
  12. this measurement's symbol is d
  13. used in measuring the width of something
  14. amount of space that is occupied by the material, it is a n extensive property
  15. _____ zeros are never significant
  16. appearance of an object in respect of the reflection of the light
  17. conversion of gas to liquid
  18. it refers to when a substance will burn when it encountered fire or flame
  19. has the same physical and chemical properties
  20. a branch of science that focuses on the study of matter composition and chemical reaction as well as structure
  21. studies about drugs and it's reaction to an organism
  22. studies the effect of poisons on living organism
  23. wherein it studies the reaction of a chemical that's in a living things
  24. amount of a substance
Down
  1. mixture wherein you can see the two different substance with the naked eye
  2. chemistry studies the behavior and changes of a matter
  3. goes straight from solid state through gas without passing the liquid stage
  4. quantity of mass
  5. chemistry deals with the composition of a substance
  6. all non-zero digits are ____
  7. a process where they use magnets to separate a material from the mixture
  8. a state in which particles are flowing with each other
  9. study of hereditary and genes
  10. this measurement's factor is 10¹²
  11. it's a process where it is separated by heat that turns liquid into gas
  12. point in which the temperature causes the substance to melt
  13. separated based on the inner molecular attraction
  14. when two or more substance are combined but still has their own chemical identities
  15. the study of the arrangement of atoms and it's physical and chemical effect on a substance
  16. sum of chemical reaction in living things
  17. this measurement's symbol is M
  18. mixture that are combined thoroughly that you can't distinguish the elements
  19. system composed of seven basic units, it is used around the world.
  20. point it is when the temperature causes the substance to boil
  21. a state of matter where the particles are loosely scattered and are far away from each other
  22. a state of matter wherein the particles are compact with each other tightly
  23. can't be split into simpler components
  24. when two elements are chemically combined
  25. commonly used for measuring the time
  26. smallest particle of matter

50 Clues: quantity of mass • amount of a substance • conversion of gas to liquid • smallest particle of matter • all non-zero digits are ____ • study of hereditary and genes • this measurement's symbol is d • this measurement's symbol is M • a pure substance or any mixture • measures the amount of matter in • amount of space that is occupied • this measurement's factor is 10¹² • ...

Science Vocabulary 2019-09-12

Science Vocabulary crossword puzzle
Across
  1. Acid an organic acid that contains a carboxyl group and an amino group.
  2. an intermediate in carbohydrate and lipid metabolism
  3. a disaccharide made of two monosaccharides.
  4. the building blocks of DNA and RNA.
  5. a chemical reaction that releases energy through light or heat.
  6. any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents.
  7. Acids produced by the breakdown of fats through a process called hydrolysis.
  8. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  9. having carbon–carbon double or triple bonds and therefore not containing the greatest possible number of hydrogen atoms for the number of carbons.
  10. any of a class of sugars whose molecules contain two monosaccharide residues.
  11. the substance on which an enzyme acts.
Down
  1. requires or absorbs energy from its surroundings.
  2. polymers of amino acids.
  3. are molecular compounds made from carbon, hydrogen and oxygen.
  4. the building blocks of disaccharides and polysaccharides.
  5. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
  6. Acid DNA or RNA.
  7. a carbohydrate whose molecules consist of a number of sugar molecules bonded together.
  8. containing the greatest possible number of hydrogen atoms, and so having no carbon–carbon double or triple bonds.
  9. a substance that is formed as the result of a chemical reaction.

20 Clues: Acid DNA or RNA. • polymers of amino acids. • the building blocks of DNA and RNA. • the substance on which an enzyme acts. • a disaccharide made of two monosaccharides. • requires or absorbs energy from its surroundings. • an intermediate in carbohydrate and lipid metabolism • the building blocks of disaccharides and polysaccharides. • ...

Bioenergy 2022-04-29

Bioenergy crossword puzzle
Across
  1. Mitochondria have highly folded inner membranes to increase _____.
  2. Part of the chloroplast where light-independent reactions occur.
  3. Food produced by photosynthesis.
  4. The number of oxygen molecules required to break down one glucose.
  5. Wavelength of light not absorbed by chlorophyll.
  6. Stacks of thylakoids; increase the surface area and efficiency of the chloroplast.
  7. Photosynthesis _____ energy in food.
  8. The number of ATP produced from anaerobic fermentation.
  9. Organelle that does photosynthesis.
  10. Organelle that does cellular respiration.
  11. Things required to begin a chemical reaction.
  12. The ultimate source of energy in an ecosystem.
  13. Organism that can produce its own food.
  14. Process by which an organism produces its own food.
  15. The process by which food is broken down to release stored energy.
  16. Light-absorbing pigment in the chloroplast.
Down
  1. States that energy and matter cannot be created or destroyed.
  2. Reaction that requires oxygen.
  3. Part of the chloroplast where light-dependent reactions occur.
  4. Anaerobic process; partial breakdown of glucose.
  5. Gas that is a product of photosynthesis and reactant of respiration.
  6. The number of ATP produced from aerobic respiration.
  7. Respiration _____ energy from food.
  8. Things made at the end of a chemical reaction.
  9. Gas that is a product of respiration and reactant of photosynthesis.
  10. Organelle in which fermentation occurs.
  11. Organism that must consume others for energy.
  12. C6H12O6
  13. Molecule with three phosphates; stores energy.
  14. Reaction that does not require oxygen.
  15. Molecule with two phosphates; has the potential to store energy.

31 Clues: C6H12O6 • Reaction that requires oxygen. • Food produced by photosynthesis. • Respiration _____ energy from food. • Organelle that does photosynthesis. • Photosynthesis _____ energy in food. • Reaction that does not require oxygen. • Organelle in which fermentation occurs. • Organism that can produce its own food. • Organelle that does cellular respiration. • ...

Reaction Rates 2023-04-19

Reaction Rates crossword puzzle
Across
  1. type of catalyst important in living organisms
  2. value for Gibbs free energy when the reaction is nonspontaneous
  3. increases the rate of a chemical reaction without being consumed in the reaction - it is not a reactant or product
  4. states that atoms, ions, and molecules must collide in order to react
  5. value for Gibbs free energy when the reaction is spontaneous
  6. the minimum amount of energy that reacting particles must have to lead to a reaction
  7. randomness of all things in the universe
  8. reactants have lower energy than products
  9. products have lower energy than reactants
Down
  1. sum of energy
  2. change in concentration of a reactant or product per unit of time, generally expressed as mol/(L·s)
  3. substance that slows down reaction rates or inhibits reactions
  4. describes reactions where products are favored
  5. Greek letter delta (Δ) written before a quantity indicates a change in the quantity
  6. describes reactions where products are NOT favored
  7. energy that may be converted into work in a system that is at constant temperature & pressure

16 Clues: sum of energy • randomness of all things in the universe • reactants have lower energy than products • products have lower energy than reactants • type of catalyst important in living organisms • describes reactions where products are favored • describes reactions where products are NOT favored • value for Gibbs free energy when the reaction is spontaneous • ...

Chapter 12 Vocabulary Words 2016-01-28

Chapter 12 Vocabulary Words crossword puzzle
Across
  1. Yield: the amount of product that could form during a reaction calculated from a balanced chemical equation; it represents the maximum amount of product that could be formed from a given amount of reactant
  2. Reagent: any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction
  3. Yield: the ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a percentage; a measure of the efficiency of a reaction
Down
  1. Ratio: a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles
  2. that portion of chemistry dealing with numerical relationships in chemical reactions; the calculation of quantities of substances involved in chemical equations
  3. Reagent: a reagent present in a quantity that is more than sufficient to react with a limiting reagent; any reactant that remains after the limiting reagent is used up in a chemical reaction
  4. Yield: the amount of product that forms when a reaction is carried out in the laboratory

7 Clues: Yield: the amount of product that forms when a reaction is carried out in the laboratory • Ratio: a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles • Reagent: any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction • ...

Chemical Reactions Review 2022-04-12

Chemical Reactions Review crossword puzzle
Across
  1. something that can be observed about a substance, such as color, smell, or boiling point
  2. an ending substance that is made during a chemical reaction
  3. the town that had the rust in the water
  4. the tiny pieces that all matter—all the stuff in the world—is made of
  5. reaction a process in which atoms rearrange to form new substances
Down
  1. a starting substance that is part of a chemical reaction
  2. to change the order or position of something
  3. something that is made of all the same atoms or groups of atoms
  4. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  5. the relative size of things

10 Clues: the relative size of things • the town that had the rust in the water • to change the order or position of something • a starting substance that is part of a chemical reaction • an ending substance that is made during a chemical reaction • something that is made of all the same atoms or groups of atoms • ...

Chemical Handling 2012-05-25

Chemical Handling crossword puzzle
Across
  1. Personal Protective Equipment you should wear to protect your hands.
  2. A respirator is ineffective if you have this (2 words).
  3. Short form for Material Safety Data Sheet.
  4. Legislation that provides you with information and the "Right to Know"
  5. When your eyes are exposed to chemicals you must rinse them for 15 minutes in an _____ ______ station. (2 words)
  6. Gloves made from this material will not protect you against chemicals.
  7. You must report to your _____________ any chemical exposure in the workplace.
Down
  1. A type of safety glasses to be worn to protect against chemical splash.
  2. Personal Protective Equipment you should wear to protect your eyes against most hazards.
  3. A reaction to chemical exposure that happens over years is called ____________
  4. A health effect after chronic exposure to silica dust.
  5. A reaction to chemical exposure that occurs immediately is called __________.
  6. Breathing, _________ contact, swallowing and eye contact are four ways (routes of entry) that chemicals can enter the body

13 Clues: Short form for Material Safety Data Sheet. • A health effect after chronic exposure to silica dust. • A respirator is ineffective if you have this (2 words). • Personal Protective Equipment you should wear to protect your hands. • Legislation that provides you with information and the "Right to Know" • ...

ciaras crossword 2023-03-10

ciaras crossword crossword puzzle
Across
  1. a material that can dissolve in a substance
  2. contains carbon, hydrogen, and oxygen atoms.
  3. group after producer
  4. when a solid breaks apart and mixes in a liquid
Down
  1. a substance that doesnt change
  2. mushroom, worms
  3. the substance you start with before a chemical reaction
  4. 2 substances blended together
  5. the new substance produced from a chemical reaction
  6. the powerhouse of the cell

10 Clues: mushroom, worms • group after producer • the powerhouse of the cell • 2 substances blended together • a substance that doesnt change • a material that can dissolve in a substance • contains carbon, hydrogen, and oxygen atoms. • when a solid breaks apart and mixes in a liquid • the new substance produced from a chemical reaction • ...

stuff 2021-04-27

stuff crossword puzzle
Across
  1. same number of atoms on each side of the equation
  2. anything that takes up space
  3. means yields
  4. happen before the chemical reaction
  5. the law that says atoms can neither be created nor destroyed
Down
  1. happen after the chemical reaction
  2. something that has matter
  3. when something is created out of reactants
  4. tested the conservation of mass law
  5. make up matter

10 Clues: means yields • make up matter • something that has matter • anything that takes up space • happen after the chemical reaction • tested the conservation of mass law • happen before the chemical reaction • when something is created out of reactants • same number of atoms on each side of the equation • the law that says atoms can neither be created nor destroyed

ACIDS, BASES AND SALTS 2024-09-30

ACIDS, BASES AND SALTS crossword puzzle
Across
  1. positively charged ion
  2. chemical breakdown due to reaction with water
  3. chemical process to balance acidity and alkalinity
  4. having a ph greater than 7
  5. Negatively charged ion
  6. state of balance in system
Down
  1. Process of electron gain or loss
  2. amount of substance ina a given volume
  3. Ionic compounds formed from the reaction of an acid and base
  4. Having ph less than 7

10 Clues: Having ph less than 7 • positively charged ion • Negatively charged ion • having a ph greater than 7 • state of balance in system • Process of electron gain or loss • amount of substance ina a given volume • chemical breakdown due to reaction with water • chemical process to balance acidity and alkalinity • Ionic compounds formed from the reaction of an acid and base

Exothermic/Endothermic 2025-02-13

Exothermic/Endothermic crossword puzzle
Across
  1. A substance that takes part in and undergoes change during a chemical reaction?
  2. hand warmers?
  3. the temperature?
  4. the baking soda and vinegar caused a?
Down
  1. is the energy in an object due to the movement of its particles.
  2. the Ice pack?
  3. the room was?
  4. a Substance produced during a chemical reaction?
  5. the burning wood gave off?
  6. the hot tub temperature?

10 Clues: the Ice pack? • the room was? • hand warmers? • the temperature? • the hot tub temperature? • the burning wood gave off? • the baking soda and vinegar caused a? • a Substance produced during a chemical reaction? • is the energy in an object due to the movement of its particles. • A substance that takes part in and undergoes change during a chemical reaction?

The Earth 2 Key Words 2025-11-27

The Earth 2 Key Words crossword puzzle
Across
  1. The only organisms responsible for removing carbon from the environment.
  2. A really useful metal that is extracted by displacement.
  3. The layer of gases surrounding the Earth.
  4. Around 80% of the atmosphere is made from this gas.
  5. A chemical reaction that all living things do that takes in oxygen and releases carbon dioxide.
Down
  1. A chemical reaction that plants do that takes in carbon dioxide and releases oxygen.
  2. Around 20% of the atmosphere is made from this gas.
  3. A type of chemical reaction where a more reactive element replaces a less reactive element.
  4. The ______ cycle shows how this element moves around the environment.
  5. A type of material that is shiny, durable, malleable and conducts electricity.

10 Clues: The layer of gases surrounding the Earth. • Around 20% of the atmosphere is made from this gas. • Around 80% of the atmosphere is made from this gas. • A really useful metal that is extracted by displacement. • The ______ cycle shows how this element moves around the environment. • The only organisms responsible for removing carbon from the environment. • ...

8th Chemistry Vocabulary 2018-03-07

8th Chemistry Vocabulary crossword puzzle
Across
  1. A negatively charged subatomic particle founding the electron cloud and has very little mass
  2. A positively charged subatomic particle founding the nucleus and makes up about half of the mass of an atom.
  3. The tiny, very dense, positively charged region in the center of an atom; made up of protons and neutrons
  4. Majority of the elements on the periodic table are solid, shiny, malleable, and good conductors of heat and electricity.
  5. A substance produced during a chemical reaction
  6. A pure substance made of only one kind of atom
  7. A group of atoms bonded together; Can be the same elements or different elements
  8. The process by which one or more substances change to produce one or more different substances.
  9. A substance that takes part in and undergoes change during a reaction
  10. The electrons in the outermost energy level of an atom that influence the reactivity of the element
  11. A small number written below and to the right of a chemical symbol that shows the number of a specific type of atom present.
  12. Matter is neither created nor destroyed. Therefore, mass of all reactants must equal the mass of all products.
  13. The smallest particle of an element, made of electrons, protons, and neutrons
  14. A number placed in front of a chemical symbol or formula in order to balance the equation.
  15. A substance made of two or more elements chemically combined; must be more than one type of element
Down
  1. A table showing the chemical elements arranged according to their atomic numbers
  2. The rows in a Periodic Table that classify the elements by the number of electron shells/energy levels
  3. The columns on a Periodic Table that arrange the elements by the number of valence electrons in the outermost shell.
  4. A solid that forms from two liquids in a solution during a chemical reaction.
  5. the area surrounding the nucleus of an atom; where the electrons are found
  6. the mass of an atom, approximately equal to the number of protons and neutrons in the atom
  7. Chemical formulas and symbols written to represent a reaction
  8. Elements that have properties of both metals and non-metals; sometimes referred to as semiconductors
  9. Elements not shiny, usually a gas or brittle solid, not malleable, and poor conductors of heat and electricity
  10. A combination of symbols that represent the elements in a compound
  11. the number of protons in the nucleus of a single atom
  12. A neutrally charged subatomic particle founding the nucleus and makes up about half of the mass of an atom.

27 Clues: A pure substance made of only one kind of atom • A substance produced during a chemical reaction • the number of protons in the nucleus of a single atom • Chemical formulas and symbols written to represent a reaction • A combination of symbols that represent the elements in a compound • A substance that takes part in and undergoes change during a reaction • ...

Chemical Bonding 2024-01-17

Chemical Bonding crossword puzzle
Across
  1. what does two hydrogen and one oxygen molecule make
  2. A group of atoms held together with chemical bonds.
  3. Chemical ____ are the links between atoms in a substance that determines its identity
  4. ________ electrons are on the outer most shell
  5. When a reaction takes in heat
Down
  1. Chemical ______ is all the elements in a thing shown
  2. Bonds that share a Valance electrons in two elements are called __________ bonds
  3. When a reaction lets off heat
  4. A chemical ______ is change that happens that change the thing at a molecular level.
  5. This contains three basic particles-protons, Neutrons, and electrons.

10 Clues: When a reaction lets off heat • When a reaction takes in heat • ________ electrons are on the outer most shell • what does two hydrogen and one oxygen molecule make • A group of atoms held together with chemical bonds. • Chemical ______ is all the elements in a thing shown • This contains three basic particles-protons, Neutrons, and electrons. • ...

Chapter 12 Vocabulary Words 2016-01-28

Chapter 12 Vocabulary Words crossword puzzle
Across
  1. Yield: the ratio of the actual yield to the theoretical yield for a chemical reaction expressed as a percentage; a measure of the efficiency of a reaction
  2. that portion of chemistry dealing with numerical relationships in chemical reactions; the calculation of quantities of substances involved in chemical equations
  3. Yield: the amount of product that forms when a reaction is carried out in the laboratory
Down
  1. Ratio: a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles
  2. Reagent: a reagent present in a quantity that is more than sufficient to react with a limiting reagent; any reactant that remains after the limiting reagent is used up in a chemical reaction
  3. Yield: the amount of product that could form during a reaction calculated from a balanced chemical equation; it represents the maximum amount of product that could be formed from a given amount of reactant
  4. Reagent: any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction

7 Clues: Yield: the amount of product that forms when a reaction is carried out in the laboratory • Ratio: a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles • Reagent: any reactant that is used up first in a chemical reaction; it determines the amount of product that can be formed in the reaction • ...

Acids and Neutralisation 2016-03-05

Acids and Neutralisation crossword puzzle
Across
  1. Sodium chloride
  2. A chemical that removes H+ ions from solution, (the chemical opposite of acids)
  3. The ending of salts made from sulphuric acid
  4. HNO3
  5. A scale that runs from 1-14 and shows how acid or alkaline a chemical is
  6. The chemical formed during neutralisation
  7. The most common type of alkalis
  8. The gas formed when a metal reacts with an acid
  9. A solid acid at room temperature
  10. The gas formed when metal carbonates are neutralised
  11. The ending of salts made from nitric acid
  12. A chemical that dissolves is described as being...
  13. Sodium hydroxide
  14. Acids that fully ionise
Down
  1. Strong alkalis turn universal indicator...
  2. The colour of a neutral solution
  3. HCl
  4. A chemical that has a pH of 7
  5. A chemical that releases OH- ions in solution, (a base that dissolves in water)
  6. H2SO4
  7. The ending of salts made from hydrochloric acid
  8. The type of chemical reaction that occurs when acids and bases react
  9. The word used to describe when acids split up into ions
  10. A chemical that changes colour depending on the pH of the solution
  11. Strong acids turn universal indicator...
  12. Acids release these when they dissolve
  13. Acids that do not fully ionise

27 Clues: HCl • HNO3 • H2SO4 • Sodium chloride • Sodium hydroxide • Acids that fully ionise • A chemical that has a pH of 7 • Acids that do not fully ionise • The most common type of alkalis • The colour of a neutral solution • A solid acid at room temperature • Acids release these when they dissolve • Strong acids turn universal indicator... • The chemical formed during neutralisation • ...

General Chemistry 2020-05-24

General Chemistry crossword puzzle
Across
  1. unit of mass, it's abbreviation is lbs.
  2. scale where the freezing point is 32° _ and it's boiling point is 212° _
  3. 1 kilogram is equivalent to 1000 _____
  4. the most time consuming but easiest way of separating substance
  5. Point when the temperature reaches 0° C
  6. measures the amount of matter in
  7. a process that uses a high boiling point in removing particles or bacteria
  8. the surface's characteristic, often describe with the words soft, rough, etc.
  9. a pure substance or any mixture
  10. amount of space that is occupied
  11. a process where they use sifters to separate a dry mixture
  12. this measurement's symbol is d
  13. used in measuring the width of something
  14. amount of space that is occupied by the material, it is a n extensive property
  15. _____ zeros are never significant
  16. appearance of an object in respect of the reflection of the light
  17. conversion of gas to liquid
  18. it refers to when a substance will burn when it encountered fire or flame
  19. has the same physical and chemical properties
  20. a branch of science that focuses on the study of matter composition and chemical reaction as well as structure
  21. studies about drugs and it's reaction to an organism
  22. studies the effect of poisons on living organism
  23. wherein it studies the reaction of a chemical that's in a living things
  24. amount of a substance
Down
  1. mixture wherein you can see the two different substance with the naked eye
  2. Chemistry studies the behavior and changes of a matter
  3. goes straight from solid state through gas without passing the liquid stage
  4. quantity of mass
  5. Chemistry deals with the composition of a substance
  6. all non-zero digits are ____
  7. a process where they use magnets to separate a material from the mixture
  8. a state in which particles are flowing with each other
  9. study of hereditary and genes
  10. this measurement's factor is 10¹²
  11. it's a process where it is separated by heat that turns liquid into gas
  12. Point in which the temperature causes the substance to melt
  13. separated based on the inner molecular attraction
  14. when two or more substance are combined but still has their own chemical identities
  15. the study of the arrangement of atoms and it's physical and chemical effect on a substance
  16. sum of chemical reaction in living things
  17. this measurement's symbol is M
  18. mixture that are combined thoroughly that you can't distinguish the elements
  19. System composed of seven basic units, it is used around the world.
  20. Point it is when the temperature causes the substance to boil
  21. a state of matter where the particles are loosely scattered and are far away from each other
  22. a state of matter wherein the particles are compact with each other tightly
  23. can't be split into simpler components
  24. when two elements are chemically combined
  25. commonly used for measuring the time
  26. smallest particle of matter

50 Clues: quantity of mass • amount of a substance • conversion of gas to liquid • smallest particle of matter • all non-zero digits are ____ • study of hereditary and genes • this measurement's symbol is d • this measurement's symbol is M • a pure substance or any mixture • measures the amount of matter in • amount of space that is occupied • this measurement's factor is 10¹² • ...

Chemical Crossword 2023-10-29

Chemical Crossword crossword puzzle
Across
  1. A substance in which other substances can dissolve to form a solution.
  2. A state of matter with no fixed shape or volume; its particles are widely spaced and move freely.
  3. A substance formed when two or more different elements chemically combine in fixed ratios.
  4. A mixture of two or more elements, with at least one of them being a metal, that exhibits unique properties.
  5. The mass of an object per unit volume, often used to describe how tightly packed the particles in a substance are.
  6. Anything that has mass and occupies space; it can exist in various states, such as solid, liquid, or gas.
  7. The process of changing from a solid to a liquid state due to an increase in temperature.
  8. The substances that participate in a chemical reaction to produce products.
  9. An alloy composed of nickel and chromium, used for its resistance to high temperatures and electrical conductivity.
  10. A subatomic particle found in the nucleus of an atom, with no electric charge.
  11. A chemical element with the symbol Na and atomic number 11, a soft, silvery-white metal that is highly reactive with water and air.
  12. An alloy primarily composed of copper and tin, known for its strength and historical use in sculptures and tools.
  13. Related to or involving substances and processes in the study of chemistry.
  14. A pure substance made up of only one type of atom, characterized by its unique chemical properties.
  15. A state of matter with a fixed shape and volume; its particles are closely packed and have a regular structure.
Down
  1. Connections or links that hold atoms together in molecules.
  2. A substance with a pH value less than 7, which can donate protons (H+ ions) in a solution.
  3. The substances formed as a result of a chemical reaction.
  4. Smallest unit of matter that can exist by itself
  5. A subatomic particle found in the nucleus of an atom, with a positive electric charge.
  6. The property of a material to be stretched or drawn into a wire or thread without breaking.
  7. The ability of a material to withstand an applied force without breaking or deforming.
  8. A substance with a pH value greater than 7, which can accept protons (H+ ions) in a solution.
  9. A homogeneous mixture of two or more substances, where one substance (the solute) is dissolved in another (the solvent).
  10. A subatomic particle orbiting the nucleus of an atom, with a negative electric charge.
  11. A state of matter with a fixed volume but no fixed shape; its particles are more loosely packed than in a solid.
  12. A chemical reaction in which a substance reacts with oxygen to produce heat, light, and usually carbon dioxide and water.
  13. The smallest unit of a chemical compound, consisting of two or more atoms bonded together.
  14. A process in which substances interact and transform into new substances with different properties.

29 Clues: Smallest unit of matter that can exist by itself • The substances formed as a result of a chemical reaction. • Connections or links that hold atoms together in molecules. • A substance in which other substances can dissolve to form a solution. • The substances that participate in a chemical reaction to produce products. • ...

Chemical Crossword 2023-10-29

Chemical Crossword crossword puzzle
Across
  1. A substance formed when two or more different elements chemically combine in fixed ratios.
  2. A homogeneous mixture of two or more substances, where one substance (the solute) is dissolved in another (the solvent).
  3. A chemical element with the symbol Na and atomic number 11, a soft, silvery-white metal that is highly reactive with water and air.
  4. A substance with a pH value less than 7, which can donate protons (H+ ions) in a solution.
  5. A mixture of two or more elements, with at least one of them being a metal, that exhibits unique properties.
  6. An alloy primarily composed of copper and tin, known for its strength and historical use in sculptures and tools.
  7. The smallest unit of a chemical compound, consisting of two or more atoms bonded together.
  8. A chemical reaction in which a substance reacts with oxygen to produce heat, light, and usually carbon dioxide and water.
  9. A substance in which other substances can dissolve to form a solution.
  10. The ability of a material to withstand an applied force without breaking or deforming.
  11. The substances that participate in a chemical reaction to produce products.
  12. A pure substance made up of only one type of atom, characterized by its unique chemical properties.
  13. The process of changing from a solid to a liquid state due to an increase in temperature.
Down
  1. A state of matter with a fixed shape and volume; its particles are closely packed and have a regular structure.
  2. A state of matter with a fixed volume but no fixed shape; its particles are more loosely packed than in a solid.
  3. A subatomic particle found in the nucleus of an atom, with a positive electric charge.
  4. A process in which substances interact and transform into new substances with different properties.
  5. The substances formed as a result of a chemical reaction.
  6. Related to or involving substances and processes in the study of chemistry.
  7. The mass of an object per unit volume, often used to describe how tightly packed the particles in a substance are.
  8. A state of matter with no fixed shape or volume; its particles are widely spaced and move freely.
  9. A subatomic particle orbiting the nucleus of an atom, with a negative electric charge.
  10. A substance with a pH value greater than 7, which can accept protons (H+ ions) in a solution.
  11. A subatomic particle found in the nucleus of an atom, with no electric charge.
  12. Anything that has mass and occupies space; it can exist in various states, such as solid, liquid, or gas.
  13. Smallest unit of matter that can exist by itself
  14. The property of a material to be stretched or drawn into a wire or thread without breaking.
  15. An alloy composed of nickel and chromium, used for its resistance to high temperatures and electrical conductivity.
  16. Connections or links that hold atoms together in molecules.

29 Clues: Smallest unit of matter that can exist by itself • The substances formed as a result of a chemical reaction. • Connections or links that hold atoms together in molecules. • A substance in which other substances can dissolve to form a solution. • Related to or involving substances and processes in the study of chemistry. • ...

Station 4 2024-10-16

Station 4 crossword puzzle
Across
  1. a solid formed by a change
  2. Reaction- two or more substances combine
  3. participates in chemical reaction
  4. Change- occurs when one or more subtance change
Down
  1. of Conversation of Mass- states the mass of object
  2. Equation- uses symbols to indicate the amount
  3. Change- a change of matter without change in checmical properties
  4. formed in chemical reaction

8 Clues: a solid formed by a change • formed in chemical reaction • participates in chemical reaction • Reaction- two or more substances combine • Equation- uses symbols to indicate the amount • Change- occurs when one or more subtance change • of Conversation of Mass- states the mass of object • Change- a change of matter without change in checmical properties

Chap 11 Chemical Change 2023-02-27

Chap 11 Chemical Change crossword puzzle
Across
  1. burning of substance with oxygen
  2. reacting with oxygen
  3. a gas that caused limewater to form a white solid upon bubbling of the gas.
  4. substance that reacts with one another before a chemical change occur
Down
  1. substances that are formed after a chemical change occurs.
  2. a gas that caused a lighted splint to extinguish with a 'pop' sound.
  3. reaction of acids and alkali to produce salt and water.
  4. Change cannot be _________ for a chemical change.
  5. mass and number of atoms are ________ during a chemical reaction.
  6. a product that is formed in all reactions of acids.

10 Clues: reacting with oxygen • burning of substance with oxygen • Change cannot be _________ for a chemical change. • a product that is formed in all reactions of acids. • reaction of acids and alkali to produce salt and water. • substances that are formed after a chemical change occurs. • mass and number of atoms are ________ during a chemical reaction. • ...

Chemical Bonding 2024-01-17

Chemical Bonding crossword puzzle
Across
  1. When a reaction lets off heat
  2. ________ electrons are on the outer most shell
  3. what does two hydrogen and one oxygen molecule make
  4. Bonds that share a Valance electrons in two elements are called __________ bonds
  5. This contains three basic particles-protons, Neutrons, and electrons.
  6. A group of atoms held together with chemical bonds.
Down
  1. Chemical ______ is all the elements in a thing shown
  2. When a reaction takes in heat
  3. Chemical ____ are the links between atoms in a substance that determines its identity
  4. A chemical ______ is change that happens that change the thing at a molecular level.

10 Clues: When a reaction lets off heat • When a reaction takes in heat • ________ electrons are on the outer most shell • what does two hydrogen and one oxygen molecule make • A group of atoms held together with chemical bonds. • Chemical ______ is all the elements in a thing shown • This contains three basic particles-protons, Neutrons, and electrons. • ...

science words 2024-04-09

science words crossword puzzle
Across
  1. solid formed by mixing somthing
  2. a chemical that gives off hydrogen
  3. a substanc that can nutraluze the adic by reacting with hydonice ions
  4. change a type of change where the physical property of the matter chnages
  5. a variabe that used to regulate the flow of control
Down
  1. a content term related to the propertys of a product
  2. a variable not to be dependent on nything
  3. a substance that incresses the rate of a chemical without undergoing any perimint chemical change
  4. mesured how acid and alkaline a substance
  5. reaction a process are formed due to chemical reaction

10 Clues: solid formed by mixing somthing • a chemical that gives off hydrogen • a variable not to be dependent on nything • mesured how acid and alkaline a substance • a variabe that used to regulate the flow of control • a content term related to the propertys of a product • reaction a process are formed due to chemical reaction • ...

science crossword puzzle 2025-02-07

science crossword puzzle crossword puzzle
Across
  1. a nonmetallic element that is the simplest and lightest of the elements
  2. a colorless odorless tasteless gas
  3. respiration a series of chemical reactions that break down
  4. potential energy energy that is released when atoms for bonds
  5. an organic compound with molecular formula
  6. a chemical element that happens to be one of the most stable
Down
  1. the process by which plants, algae, and certain bacteria use sunlight, water, and carbon dioxide to create oxygen and sugar
  2. more energy is released then absorbed
  3. more energy is absorbed then released
  4. energy energy made by heat
  5. reaction A Chemical Reaction is a process that occurs when two or more molecules interact to form a new product

11 Clues: a colorless odorless tasteless gas • more energy is released then absorbed • more energy is absorbed then released • an organic compound with molecular formula • energy energy made by heat • a chemical element that happens to be one of the most stable • potential energy energy that is released when atoms for bonds • ...

Crazy Chemistry Christmas Crossword 2025-12-11

Crazy Chemistry Christmas Crossword crossword puzzle
Across
  1. A solid that forms and falls out of a liquid during a chemical reaction.
  2. a substance reacts with oxygen gas releasing energy in the form of light and heat
  3. the type of replacement where one element replaces another in a single compound
  4. a series that is a list of metals arranged from most reactive to least reactive.
  5. one reactant breaks down into two or more products
Down
  1. The starting substances that are changed during a chemical reaction.
  2. The new substances formed after a chemical reaction.
  3. the type of replacement where two ionic compounds exchange ions
  4. two or more reactants combine to form a single product
  5. How much of a substance can dissolve in a given amount of liquid.

10 Clues: one reactant breaks down into two or more products • The new substances formed after a chemical reaction. • two or more reactants combine to form a single product • the type of replacement where two ionic compounds exchange ions • How much of a substance can dissolve in a given amount of liquid. • ...

Chemistry Unit Crossword 2016-02-10

Chemistry Unit Crossword crossword puzzle
Across
  1. mass of atom, located at bottom of symbol box
  2. atomic particles found in the nucleus, positive charge
  3. a reaction that occurs in which a layer of metal is bonded to the surface of another substance, which is usually another metal
  4. regions of space outside the nucleus of an atom
  5. atoms in the outermost orbital
  6. always contains the same number of electrons and protons
  7. what we put in a chemical reaction, to get a reaction/what will react
  8. atomic particles found in nucleus, neutral charge
  9. mix of metals and nonmetals, partially conduct energy
  10. horizontal row atomic numbers increase left to right #erd 1-7
  11. created the periodic table of the elements
  12. at least two atoms of different elements combined
Down
  1. one to two letters representing an element
  2. matter can be changed from one form to another, mass is constant
  3. smallest unit of any form of matter
  4. particle appears in nucleus of atom- exempt hydrogen, positive charge
  5. substance that can't be chemically broken down
  6. very good when conducting heat or energy
  7. very poor conducting heat or energy, weak Compaired to metal
  8. two or more atoms of any element combined
  9. energy is taken in temperature feels cooler
  10. columns of elements on the periodic table 18 columns
  11. energy given off, feels warm
  12. any of gaseous elements
  13. atomic particles move around nucleus, negative charge.
  14. what we get out of a chemical reaction

26 Clues: any of gaseous elements • energy given off, feels warm • atoms in the outermost orbital • smallest unit of any form of matter • what we get out of a chemical reaction • very good when conducting heat or energy • two or more atoms of any element combined • one to two letters representing an element • created the periodic table of the elements • ...

Science Crossword Puzzle 2025-03-11

Science Crossword Puzzle crossword puzzle
Across
  1. When water gets really hot and turns into steam
  2. A state of matter that spreads out to fill any space
  3. A combination of things that are not chemically stuck together
  4. A state of matter that takes the shape of its container
  5. When a puddle dries up
  6. When something new is made, like burning paper
  7. What you end up with in a chemical reaction
  8. A mixture where something dissolves in liquid
  9. The amount of space something takes up
  10. A state of matter that stays the same shape
  11. The energy that makes things move
  12. The push of air or gas inside something
  13. The rule that matter is never lost, only changed
  14. When gas skips turning into liquid and becomes solid
  15. A substance made of two or more elements
  16. A reaction that gives off heat
Down
  1. How much stuff is packed in a space
  2. When ice skips melting and turns into gas
  3. A state of matter found in fire and stars
  4. A pure substance from the periodic table
  5. A reaction that takes in heat
  6. A change where nothing new is made, like cutting paper
  7. The amount of material in something
  8. When water turns into ice
  9. When ice turns into water
  10. When water forms on a cold drink
  11. When a smell spreads through the air
  12. How hot or cold something is
  13. When something changes from solid to liquid or gas
  14. What you start with in a chemical reaction

30 Clues: When a puddle dries up • When water turns into ice • When ice turns into water • How hot or cold something is • A reaction that takes in heat • A reaction that gives off heat • When water forms on a cold drink • The energy that makes things move • How much stuff is packed in a space • The amount of material in something • When a smell spreads through the air • ...

biology 2025-04-24

biology crossword puzzle
Across
  1. Many enzymes require these inorganic ions for optimal activity.
  2. AND KEY The model describing how an enzyme and substrate fit together like a lock and key.
  3. A type of inhibitor that binds to a site other than the active site.
  4. A factor, besides substrate concentration, that can affect enzyme activity.
  5. FIT MODEL The process where an enzyme's active site changes shape to fit the substrate.
  6. ACIDS The building blocks of proteins, which most enzymes are made of.
  7. Enzymes are biological __________.
  8. The general term for a substance that speeds up a chemical reaction.
  9. The location on an enzyme where the substrate binds.
  10. The molecule that an enzyme acts upon.
Down
  1. The breaking down of large molecules into smaller ones.
  2. The suffix commonly used to name enzymes.
  3. Enzymes are highly ______ for their specific substrates.
  4. A type of inhibitor that binds to the active site, blocking the substrate.
  5. A condition, like high temperature, that can cause an enzyme to lose its shape and function.
  6. The environment in which an enzyme functions best (e.g., acidic or basic).
  7. The state of an enzyme after it has catalyzed a reaction, ready to bind another substrate.
  8. The overall process that enzymes catalyze.
  9. A non-protein helper molecule that assists enzyme function.
  10. The study of enzymes.
  11. An enzyme that breaks down starch.
  12. The energy required to start a chemical reaction. Enzymes lower this.
  13. The synthesis of larger molecules from smaller ones.

23 Clues: The study of enzymes. • Enzymes are biological __________. • An enzyme that breaks down starch. • The molecule that an enzyme acts upon. • The suffix commonly used to name enzymes. • The overall process that enzymes catalyze. • The synthesis of larger molecules from smaller ones. • The location on an enzyme where the substrate binds. • ...

Science Vocabulary for matter 2020-10-13

Science Vocabulary for matter crossword puzzle
Across
  1. is both a property of a physical body and a measure of its resistance to acceleration when a net force is applied.
  2. any quality that can be established only by changing a substance's chemical
  3. a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
  4. The melting point of a substance is the temperature at which it changes state from solid to liquid.
  5. The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.
Down
  1. a property (as color, hardness, boiling point) of matter not involving in its manifestation a chemical change.
  2. Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.
  3. is a measure of how easily a substance bursts into flame
  4. is the ability of a chemical to burn or ignite
  5. the relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound.
  6. Precipitation is defined as the creation of a solid from a solution. When the reaction occurs in a liquid solution

11 Clues: is the ability of a chemical to burn or ignite • is a measure of how easily a substance bursts into flame • any quality that can be established only by changing a substance's chemical • The melting point of a substance is the temperature at which it changes state from solid to liquid. • ...

science revision 2023-10-05

science revision crossword puzzle
Across
  1. a reaction that takes in energy from its surroundings
  2. the end result of a chemical reaction
  3. a fuel made from living matter
  4. acid with a large amount of acidic particles within a solution
  5. released from diffusion in the oceans
  6. the most important ingredient in lemonade
  7. bases that disolve in water
  8. an acid that wants to give away its hydrogen ions
  9. the reaction of metals with the oxygen in their evironment
  10. a measurement of the acidity of a substance
  11. tells us how acidic or basic any substance is
  12. the product of iron reacting with oxygen
  13. substances that indicate the pH of substances
  14. substances that react with others to create energy
  15. something that is not depleted when used
  16. when a base and an acid react
Down
  1. a pH indicator you can't spell
  2. the process of burning something
  3. the things that cause chemical reactions
  4. acids that are less acidic and donate their hydrogen ions less easily
  5. the deterioration of metals
  6. produced when acids and bases react
  7. a reaction that lets out heat, light or energy
  8. a small amount of acid in a solution makes it
  9. a substance with a pH over 7
  10. compounds of carbon and hydrogen
  11. biofuel commonly used in gas
  12. a substance with a pH of 7
  13. a liquid that's good on fish and chips
  14. a substance with a pH under 7
  15. a substance that can run out

31 Clues: a substance with a pH of 7 • the deterioration of metals • bases that disolve in water • a substance with a pH over 7 • biofuel commonly used in gas • a substance that can run out • a substance with a pH under 7 • when a base and an acid react • a pH indicator you can't spell • a fuel made from living matter • the process of burning something • compounds of carbon and hydrogen • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  2. is negative charge but also is part of a atom
  3. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
Down
  1. is the objetive or the resul of a previus process
  2. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  3. is when 22 ore more elements have a reaction or change when they are together
  4. this is use to pull apart the colour by the sun light
  5. is when something is connected like elemnts, subtances, people, subjets; etc.
  6. is the symbols or the reprensetantion of a chemical change
  7. is the number 8 on the peridic table and is a gas

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when 22 ore more elements have a reaction or change when they are together • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  2. is the symbols or the reprensetantion of a chemical change
  3. is negative charge but also is part of a atom
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 22 ore more elements have a reaction or change when they are together
Down
  1. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  2. is when something is connected like elemnts, subtances, people, subjets; etc.
  3. this is use to pull apart the colour by the sun light
  4. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
  5. is the number 8 on the peridic table and is a gas
  6. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  7. is the objetive or the resul of a previus process

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when something is connected like elemnts, subtances, people, subjets; etc. • ...

Chemistry Dept study Crossword 2023-12-01

Chemistry Dept study Crossword crossword puzzle
Across
  1. A state in which the rate of the forward reaction equals the rate of the backward reaction
  2. the abundance of a constituent divided by the total volume of a mixture
  3. a group of two or more atoms held together by attractive forces known as chemical bonds
  4. H₂CO₃
  5. the science of studying networks of interacting molecules, to create new functions from a set of molecules with different hierarchical levels and emergent properties
  6. the process of becoming an acid or the act of making something become an acid
  7. the plants, animals, and other organisms that live in the salt water of seas or oceans
  8. a measure of how acidic/basic water is
Down
  1. CharWhen a change is made to an equilibrium system, the system moves to counteract the imposed change and restore the system to a new equilibrium.
  2. CO2
  3. a process that leads to the chemical transformation of one set of chemical substances to another.
  4. a principle of chemistry used to predict the rates of chemical reactions

12 Clues: CO2 • H₂CO₃ • a measure of how acidic/basic water is • the abundance of a constituent divided by the total volume of a mixture • a principle of chemistry used to predict the rates of chemical reactions • the process of becoming an acid or the act of making something become an acid • ...

Chemistry 2021-10-18

Chemistry crossword puzzle
Across
  1. first column on the table; most reactive metal
  2. reaction where one element gets subsituted
  3. reaction where atoms combine to make a compound
  4. reaction where energy is released
  5. last column on the table; extremely unreactive
  6. examples of this change include phase change, tearing, and breaking
  7. smallest possible unit
  8. positively charged particles in the nucleus
Down
  1. organizes elements in a specific way
  2. reaction where energy is absorbed
  3. neutral particles in the nucleus
  4. examples of this change include rust, change in color, gives off heat/light, not reversible
  5. number of valence electrons all atoms want in the outer most shell
  6. negatively charged particles surrounding the nucleus

14 Clues: smallest possible unit • neutral particles in the nucleus • reaction where energy is absorbed • reaction where energy is released • organizes elements in a specific way • reaction where one element gets subsituted • positively charged particles in the nucleus • first column on the table; most reactive metal • last column on the table; extremely unreactive • ...

Nonrenewable Energy - Christian Menchue 2016-03-22

Nonrenewable Energy - Christian Menchue crossword puzzle
Across
  1. Energy released from splitting an atom.
  2. A liquid mixture found in rock strata that can be refined into gasoline, kerosene, and diesel oil.
  3. Energy caused by heat.
  4. Energy derived from resources that are unable to replenish within relativity to our own time period of existence.
  5. Outflow of acidic water from mines.
  6. A style of mining that involves removing the surface full of dirt & rocks to get to the ore
  7. Splitting of an atom’s nucleus into smaller parts, resulting in nuclear energy to be released.
Down
  1. Radiant energy that travels in waves due to an electromagnetic process.
  2. Energy caused by moving electric charges.
  3. When two nuclei of two atoms collide at high speed and conjoin creating a new nucleus.
  4. Chemical reaction between a fuel & oxidant (chemical that is molecularly combined with oxygen)
  5. Energy stored in chemical compounds, and released in a chemical reaction.
  6. Energy associated with motion & position.
  7. When a large amount of thermal energy, and radiation is released due to the inability to keep a nuclear power reactor stable.
  8. Energy derived from resources that are able to replenish within relativity to our own time period of existence.

15 Clues: Energy caused by heat. • Outflow of acidic water from mines. • Energy released from splitting an atom. • Energy caused by moving electric charges. • Energy associated with motion & position. • Radiant energy that travels in waves due to an electromagnetic process. • Energy stored in chemical compounds, and released in a chemical reaction. • ...

Crossword Puzzle 6 2025-07-05

Crossword Puzzle 6 crossword puzzle
Across
  1. Resistance to change in motion
  2. Rapid back-and-forth movement
  3. Two or more atoms combined
  4. Plants make food with sunlight
  5. A chemical change
  6. Speeds up a reaction
Down
  1. Force per area
  2. Resistance when things rub together
  3. Path electricity flows through
  4. Center of an atom
  5. Basic unit of matter
  6. Needed to do work
  7. Force that pulls objects down
  8. Speed in a direction
  9. Positive particle in an atom
  10. Mass per volume

16 Clues: Force per area • Mass per volume • Center of an atom • Needed to do work • A chemical change • Basic unit of matter • Speed in a direction • Speeds up a reaction • Two or more atoms combined • Positive particle in an atom • Force that pulls objects down • Rapid back-and-forth movement • Resistance to change in motion • Path electricity flows through • Plants make food with sunlight • ...

Chemistry 2022-09-12

Chemistry crossword puzzle
Across
  1. One sign of a chemical reaction is when _____________ and light is produced, which is often seen in the form of fire.
  2. In order for a chemical reaction to occur, molecules need to _______________________ with the correct orientation and enough energy to make a new substance.
  3. If the temperature was recorded over the course of time, this goes on the x-axis when making the line graph.
  4. The name for NaCl.
  5. The group of the Periodic Table of completely unreactive elements because they have full outer shells.
  6. When magnesium combined with hydrochloric acid bubbles of ____________________ gas were produced which is a sign of a chemical reaction.
  7. According to the Bohr model of an atom, the second shell of an atom can hold up to _________ electrons.
  8. Positively charged sub-atomic particles in the nucleus of an atom.
  9. Phenolphthalein is an acid-base indicator used this last week. It turns _____________ in the presence of a base.
  10. If someone increases the amount of heat energy in a substance, they are increasing the ___________________. For example, 1 degree Celsius compared to 10 degrees Celsius.
Down
  1. According to the Bohr model of an atom, the innermost shell of an atom can hold up to _________ electrons.
  2. A large, chain-shaped molecule that is made of repeating units, usually used for structural integrity, like sodium alginate.
  3. Uncharged sub-atomic particles in the nucleus of an atom.
  4. The most reactive metal tested last week because it has one electron in its outer shell it really needs to be rid of.
  5. If someone increases the amount of substance in a set volume, they are increasing the ________________ of that substance. For example, 1M HCl compared to 2M HCl
  6. The least reactive metal tested last week because it is so big, the atom does not care if it loses its outer electron or not.
  7. When sodium thiosulfate mixed with hydrochloric acid, a permanent _________________ change was observed, which is a sign of a chemical reaction.
  8. The reactivity of an element is determined by the number of ___________________ in the atoms outer shell.
  9. The name for NaOH.

19 Clues: The name for NaCl. • The name for NaOH. • Uncharged sub-atomic particles in the nucleus of an atom. • Positively charged sub-atomic particles in the nucleus of an atom. • The group of the Periodic Table of completely unreactive elements because they have full outer shells. • ...

ian's crossword puzzle 2024-05-23

ian's crossword puzzle crossword puzzle
Across
  1. a process in which one or more substances are converted to one or more different substances
  2. the basic building block for all matter in the universe
  3. a substance that enters into and is changed by a chemical reaction
  4. The smallest particle of a substance
  5. substance made up of different elements joined together by a chemical bond.
  6. the amount of heat in something
  7. when two or more substances are combined, but each substance keeps its physical properties
  8. a pure substance that is made from a single type of atom
Down
  1. the amount of space the object takes up
  2. do not make a new substance.
  3. form of energy
  4. he attraction of molecules for other molecules of the same kind
  5. If electrons are being shared between two or more atoms
  6. the ability to make energy
  7. one of the major branches of science
  8. any change that causes a new substance to be formed
  9. anything that takes up space and can be weighed
  10. the quantity of matter within a given object

18 Clues: form of energy • the ability to make energy • do not make a new substance. • the amount of heat in something • The smallest particle of a substance • one of the major branches of science • the amount of space the object takes up • the quantity of matter within a given object • anything that takes up space and can be weighed • ...

Life's Processes Vocab 2025-03-01

Life's Processes Vocab crossword puzzle
Across
  1. when a substance changes its appearance or state, but its chemical composition remains the same.
  2. what carbonhydrates break into
  3. when a set of substances undergo a chemical change into a differnt substance
  4. Matter cannot be created or destroyed, it can only be change
Down
  1. Chemical reation where organisms are oxygen and food molecules to create carbon dioxide, water, and energy
  2. Chemical reactionon between sunlight, water, carbon dioxide, food molecules, and oxygen
  3. the abilty to do something
  4. substances produced by the cemical reaction
  5. the input of a chemical reaction

9 Clues: the abilty to do something • what carbonhydrates break into • the input of a chemical reaction • substances produced by the cemical reaction • Matter cannot be created or destroyed, it can only be change • when a set of substances undergo a chemical change into a differnt substance • ...

Photosynthesis Crossword Puzzle! 2021-05-24

Photosynthesis Crossword Puzzle! crossword puzzle
Across
  1. pigments found in the chloroplast
  2. reaction that occurs in the thylakoid membrane
  3. light-independent reaction named after Dr. Melvin Calvin
  4. the process that changes inorganic CO2 to organic compounds
  5. the place in which sunlight enters
  6. a type of respiration that requires oxygen
  7. output of photosynthesis, used to make ATP
  8. a reaction in which the reactants absorb heat to produce products
  9. the process that occurs in plants to create oxygen and energy in the form of sugar
  10. chemical compound used by plants for photosynthesis
  11. the color plants absorb the second best
  12. compartments found in the chloroplast
  13. a reaction that occurs in all cells
  14. the process that moves CO2 through the veins and releases oxygen
  15. the openings through which gases move
  16. liquid chemical compound used by plants for photosynthesis
  17. the color plants appear, also the color plants absorb the least
  18. the usage of energy (glucose) to build molecules
  19. a type of respiration that doesn't require oxygen
  20. means "to make"
Down
  1. gas compound, an output of photosynthesis
  2. form of energy that is created during the light-dependent reaction to fuel the calvin cycle
  3. occurs when there's not enough CO2
  4. light-independent reaction
  5. the cells in which chloroplasts are found
  6. the place in which sunlight enters
  7. an organelle in which cellular respiration occurs in eukaryotes
  8. a crucial organelle found in all plant cells that converts light energy to usable energy
  9. CO2 and H20 are eliminated as - in cellular respiration
  10. a plant that opens its stomata at night
  11. the degradation of organic compounds
  12. the color plants absorb the best
  13. the origin of all energy
  14. the place through which water moves
  15. fluid in which the calvin cycle takes place
  16. the organisms in which photosynthesis occurs
  17. these organisms use aerobic respiration
  18. pigment found in thylakoids
  19. in these organisms, cellular respiration occurs in the cytoplasm
  20. a form of energy created in the light-dependent reaction
  21. component used by plants for photosynthesis derived from the origin of all energy

41 Clues: means "to make" • the origin of all energy • light-independent reaction • pigment found in thylakoids • the color plants absorb the best • pigments found in the chloroplast • occurs when there's not enough CO2 • the place in which sunlight enters • the place in which sunlight enters • the place through which water moves • a reaction that occurs in all cells • ...

Enzymes and Digestion 2017-02-10

Enzymes and Digestion crossword puzzle
Across
  1. The product of starch digestion.
  2. The enzyme that digests lipid.
  3. Collisions occur at a faster rate when this is high.
  4. What enzyme and substrate must do before a chemical reaction takes place
  5. The temperature at which enzymes work fastest.
  6. A specific protein that controls the rate of chemical reactions in living organisms
Down
  1. The general name for the molecule that binds to the active site of an enzyme.
  2. When this is digested amino acids are produced.
  3. The enzyme that digests starch.
  4. The chemical that is made in a reaction.
  5. When this is digested glycerol and three fatty acids are produced.

11 Clues: The enzyme that digests lipid. • The enzyme that digests starch. • The product of starch digestion. • The chemical that is made in a reaction. • The temperature at which enzymes work fastest. • When this is digested amino acids are produced. • Collisions occur at a faster rate when this is high. • When this is digested glycerol and three fatty acids are produced. • ...

Enzymes and Digestion 2017-02-10

Enzymes and Digestion crossword puzzle
Across
  1. The product of starch digestion.
  2. The enzyme that digests lipid.
  3. Collisions occur at a faster rate when this is high.
  4. What enzyme and substrate must do before a chemical reaction takes place
  5. The temperature at which enzymes work fastest.
  6. A specific protein that controls the rate of chemical reactions in living organisms
Down
  1. The general name for the molecule that binds to the active site of an enzyme.
  2. When this is digested amino acids are produced.
  3. The enzyme that digests starch.
  4. The chemical that is made in a reaction.
  5. When this is digested glycerol and three fatty acids are produced.

11 Clues: The enzyme that digests lipid. • The enzyme that digests starch. • The product of starch digestion. • The chemical that is made in a reaction. • The temperature at which enzymes work fastest. • When this is digested amino acids are produced. • Collisions occur at a faster rate when this is high. • When this is digested glycerol and three fatty acids are produced. • ...

Chapter 8 (Puzzle #1) 2021-03-23

Chapter 8 (Puzzle #1) crossword puzzle
Across
  1. thermal energy in transfer from one body of matter to another
  2. a spontaneous chemical reaction in which there is a natural release of free energy
  3. a series of chemical reactions that either builds a complex molecule (anabolic pathway) or breaks down a complex molecule to simpler molecules (catabolic pathway)
  4. the energy associated with the relative motion of objects. Moving matter can perform work by importing motion to another matter
  5. the energy that matter possesses as a result of its location or spatial arrangement (structure)
Down
  1. a process that occurs without an overall input of energy; process that is energetically favorable
  2. a metabolic pathway that releases energy by breaking down complex molecules to simpler molecules
  3. energy available in molecules for release in a chemical reaction; a form of potential energy
  4. a nonspontaneous chemical reaction in which free energy is absorbed from the surroundings
  5. a metabolic pathway that consumes energy to synthesize a complex molecules from simpler molecules
  6. the capacity to cause change, especially to do work opened (to move matter against an opposing force).
  7. measure of molecular disorder, or randomness

12 Clues: measure of molecular disorder, or randomness • thermal energy in transfer from one body of matter to another • a spontaneous chemical reaction in which there is a natural release of free energy • a nonspontaneous chemical reaction in which free energy is absorbed from the surroundings • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  2. is the symbols or the reprensetantion of a chemical change
  3. is negative charge but also is part of a atom
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 22 ore more elements have a reaction or change when they are together
Down
  1. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  2. is when something is connected like elemnts, subtances, people, subjets; etc.
  3. this is use to pull apart the colour by the sun light
  4. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
  5. is the number 8 on the peridic table and is a gas
  6. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  7. is the objetive or the resul of a previus process

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when something is connected like elemnts, subtances, people, subjets; etc. • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  2. is the symbols or the reprensetantion of a chemical change
  3. is negative charge but also is part of a atom
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 22 ore more elements have a reaction or change when they are together
Down
  1. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  2. is when something is connected like elemnts, subtances, people, subjets; etc.
  3. this is use to pull apart the colour by the sun light
  4. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
  5. is the number 8 on the peridic table and is a gas
  6. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  7. is the objetive or the resul of a previus process

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when something is connected like elemnts, subtances, people, subjets; etc. • ...

Properties 2023-11-30

Properties crossword puzzle
Across
  1. common with chemical properties
  2. can be measured without changing
  3. trait of physical property
  4. makes up anything
Down
  1. combine with other substance for reaction
  2. trait of chemical property
  3. trait of chemical property
  4. traits of physical property
  5. trait of physical property
  6. characteristics of matter

10 Clues: makes up anything • characteristics of matter • trait of chemical property • trait of chemical property • trait of physical property • trait of physical property • traits of physical property • common with chemical properties • can be measured without changing • combine with other substance for reaction

CHEMICAL EQUATIONS AND REACTIONS 2021-08-21

CHEMICAL EQUATIONS AND REACTIONS crossword puzzle
Across
  1. when the total mass of the reactant is equal to the mass of the
  2. T__________ C________ is a sign of a chemical reaction
  3. We can balance an equation by adding a _____________ in front of
  4. the equation is _________
  5. Law of ________ of mass
  6. a tool used to determine if a chemical reaction is balanced or
Down
  1. What does the arrow mean in a chemical equation?
  2. you may never change the __________ of a formula
  3. burning wood, rust, campfire are examples of a __________
  4. ________ are shown on the left of the arrow
  5. _________ are shown to the right of the arrow

11 Clues: Law of ________ of mass • the equation is _________ • ________ are shown on the left of the arrow • _________ are shown to the right of the arrow • What does the arrow mean in a chemical equation? • you may never change the __________ of a formula • T__________ C________ is a sign of a chemical reaction • burning wood, rust, campfire are examples of a __________ • ...

Unit 2 Science Voabulary 2018-09-08

Unit 2 Science Voabulary crossword puzzle
Across
  1. point The temperature at which the vapor pressure of a liquid element equals the pressure surrounding the liquid
  2. A covalent bond in which two atoms share a pair of electrons
  3. Change A (usually irreversible) change in a substance that rearranges its atomic structure and therefore it’s chemical and physical properties
  4. The transition of an element from a solid to a gas, without transitioning to a liquid first
  5. A substance that takes part in and undergoes change during a reaction.
  6. Change A change in a substance that affects its state of matter, but not its chemical makeup
  7. compound A substance composed of exactly two elements that cannot be simplified by any further means
  8. bond Covalent bond between two atoms in which electrons are shared unequally
  9. point The temperature at which the solid form of an element becomes a liquid.
Down
  1. bond A chemical bond formed between two ions with opposite charges. A chemical bond formed between two ions with opposite charges. Atoms may share
  2. A chemical bond that involves the sharing of electron pairs between atoms
  3. Two or more atoms bonded together, the smallest unit of a chemical compound that can take part in chemical bonding
  4. Ion An ion comprised of two or more atoms.
  5. number A number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound
  6. A substance that forms as a result of a chemical reaction
  7. A hot ionized gas consisting of approximately equal numbers of positively charged ions and negatively charged electrons. Due to its properties being very different from regular gasses, it is sometimes referred to as the fourth state of matter
  8. An atom or group of atoms that has a positive or negative charge as a result of the loss or gain of an electron(s)

17 Clues: Ion An ion comprised of two or more atoms. • A substance that forms as a result of a chemical reaction • A covalent bond in which two atoms share a pair of electrons • A substance that takes part in and undergoes change during a reaction. • A chemical bond that involves the sharing of electron pairs between atoms • ...

… 2024-10-09

… crossword puzzle
Across
  1. electric current is passed through a substance to effect a chemical change
  2. a small number or letter written slightly below the normal line of text, usually used in chemical formulas to indicate the quantity of atoms of a specific element present in a molecule
  3. takes part in chemical reaction, on left side of arrow
  4. a thing that is composed of two or more separate elements/ a mixture
  5. A substance that cannot be decomposed into simpler substances by ordinary chemical processes.
Down
  1. a group of atoms bonded together
  2. constant term related to the properties of a product
  3. the substances that are formed as a result of a chemical reaction
  4. the measure of how much stuff is in an object
  5. the basic unit of a chemical element.

10 Clues: a group of atoms bonded together • the basic unit of a chemical element. • the measure of how much stuff is in an object • constant term related to the properties of a product • takes part in chemical reaction, on left side of arrow • the substances that are formed as a result of a chemical reaction • ...

Enzymes and Energy 2023-11-30

Enzymes and Energy crossword puzzle
Across
  1. means change of shape. Common in non-competitive inhibition
  2. reorganizing/rearranging atoms by breaking and making bonds
  3. helps enzyme get job done; organic
  4. place on enzyme that does rxn.
  5. regulation of enzyme activity. Temporarily turns off enzyme
  6. the term describing chemicals that are reacting to produce product
  7. all reactions in an organism
  8. E required for rxn. to occur
  9. reactants in enzyme mediated rxn.
  10. results of chemical reaction
Down
  1. determines enzymes specificity
  2. e.g. poison blocks active site
  3. combination of enzyme+substrate during a reaction
  4. term that describes a reaction in which products have less energy than reactants
  5. reactions that build up
  6. term that describes a reaction in which products have more E than react.
  7. biological catalysts
  8. one way to denature enzymes
  9. reactions that break down
  10. change in the shape of protein, many times due to temperature change or pH change
  11. suffix of many enzymes
  12. these lower activation energy; does not get used up

22 Clues: biological catalysts • suffix of many enzymes • reactions that build up • reactions that break down • one way to denature enzymes • all reactions in an organism • E required for rxn. to occur • results of chemical reaction • determines enzymes specificity • e.g. poison blocks active site • place on enzyme that does rxn. • reactants in enzyme mediated rxn. • ...

Pharmacology 2020-09-15

Pharmacology crossword puzzle
Across
  1. a type of drug
  2. pharmacotherapy benefit
  3. patients copy of their prescription
  4. normally happens with then an hour
  5. a treatment using drugs
  6. symptom of drug reaction
  7. third side effect
  8. adverse drug reaction
  9. first side effect
Down
  1. type of adverse drug
  2. a timeline of all vaccinations a patient has received
  3. provides through pharmacotherapy
  4. any chemical affecting an living organism
  5. have to take when abusing drugs
  6. second side effect
  7. person under health care
  8. required for compliance checklist
  9. process whereby the patient follows
  10. a type of drug
  11. pharmacotherapy benefit

20 Clues: a type of drug • a type of drug • third side effect • first side effect • second side effect • type of adverse drug • adverse drug reaction • pharmacotherapy benefit • a treatment using drugs • pharmacotherapy benefit • person under health care • symptom of drug reaction • have to take when abusing drugs • provides through pharmacotherapy • required for compliance checklist • ...

Austin Oler... Science Changes in Matter 2024-05-16

Austin Oler... Science Changes in Matter crossword puzzle
Across
  1. mg,ir,h,o,cl
  2. smallest unit of matter
  3. heat of something
  4. heat releasing
  5. elements combining together
  6. anything that takes up space
  7. heat absorbing
  8. solution of more than one elements
  9. a product of mixing
  10. ability to work or be active
Down
  1. smallest part of a substance
  2. amount of space used by matter
  3. liquid,solid,gas
  4. molecules trying to stick together
  5. elements change when combined with another in a reaction
  6. study of matter and chemicals
  7. temperatures
  8. A process where elements combine for a chemical _

18 Clues: mg,ir,h,o,cl • temperatures • heat releasing • heat absorbing • liquid,solid,gas • heat of something • a product of mixing • smallest unit of matter • elements combining together • smallest part of a substance • anything that takes up space • ability to work or be active • study of matter and chemicals • amount of space used by matter • molecules trying to stick together • ...

REGENTS CHEMISTRY EXAM REVIEW 2023-05-30

REGENTS CHEMISTRY EXAM REVIEW crossword puzzle
Across
  1. another name for 6.02 x 10^23
  2. the forward reaction rate equals the reverse reaction rate
  3. the splitting of uranium as an energy source
  4. name for a group of atoms with a charge (ion)
  5. separates mixtures by boiling point
  6. organic compound with a double bond in the chain
  7. contains the maximum amount that can be dissolved in a solution
  8. same number of protons, different number of neutrons
  9. a measure of average kinetic energy
  10. allows for the flow of ions in a voltaic cell
Down
  1. the attraction an atom has for its electrons
  2. heat is released during a chemical reaction
  3. the gain of electrons in a reaction
  4. contains H+ ions in water
  5. group of metals that produce colorful solutions when in compounds
  6. something that does not dissolve in water
  7. also known as a hydrogen acceptor
  8. type of gas with no mass nor volume
  9. a substance with a fixed composition
  10. an electron that has jumped up to a higher energy level

20 Clues: contains H+ ions in water • another name for 6.02 x 10^23 • also known as a hydrogen acceptor • the gain of electrons in a reaction • type of gas with no mass nor volume • separates mixtures by boiling point • a measure of average kinetic energy • a substance with a fixed composition • something that does not dissolve in water • heat is released during a chemical reaction • ...

Organic Chemistry 2025-09-21

Organic Chemistry crossword puzzle
Across
  1. functional group of alcohols
  2. highest boiling point fraction from fractional distillation of crude oil
  3. compound formed when alcohol react with carboxylic acid
  4. gas released from potassium carbonate reacting with propanoic acid
  5. by-product of esterification
  6. gas released from reaction of methanoic acid with sodium metal
  7. General name for organic molecules made of only hydrogen and carbon
  8. butan-1-ol and butan-2-ol
  9. General name for saturated hydrocarbons
  10. reaction between alcohol and carboxylic acid
  11. product of pentanol reacting with propanoic acid
Down
  1. properties used to separate crude oil mixture
  2. main constituent of natural gas
  3. The part of a molecule that gives it its chemical properties
  4. easy to evaporate
  5. Hydrocarbons with one or more double bonds
  6. long hydrocarbon chain break down into shorted chains by heating
  7. reaction between ethanoic acid and potassium hydroxide
  8. simplest alkene
  9. petroleum product used as jet fuel
  10. reaction converting alkene to alcohol
  11. solid form of fossil fuel

22 Clues: simplest alkene • easy to evaporate • butan-1-ol and butan-2-ol • solid form of fossil fuel • functional group of alcohols • by-product of esterification • main constituent of natural gas • petroleum product used as jet fuel • reaction converting alkene to alcohol • General name for saturated hydrocarbons • Hydrocarbons with one or more double bonds • ...

Chemical reactions 2024-07-19

Chemical reactions crossword puzzle
Across
  1. It is a measure of the total heat content of a system.
  2. It is a substance or compound added to a system to cause a chemical reaction or to test if a reaction occurs.
  3. Double displacement reaction, is a chemical reaction where the ions of two compounds exchange places in an aqueous solution to form two new compounds.
  4. It is a biochemical process by which plants, algae, and some bacteria convert carbon dioxide and water into glucose and oxygen using sunlight.
  5. It refers to processes or organisms that do not require oxygen to live or function.
Down
  1. It is a positively charged ion that has lost one or more electrons. It is attracted to the cathode (negative electrode) in electrolysis.
  2. It refers to a solution in which the solvent is water. In chemical equations, it is denoted by the symbol (aq) following a substance, indicating that it is dissolved in water.
  3. It is a chemical reaction between a fuel and an oxidant, typically oxygen, that produces heat and often light.
  4. It is a measure of the disorder or randomness in a system.
  5. It is a substance used to neutralise stomach acid, thereby relieving symptoms of indigestion, heartburn, and acid reflux.

10 Clues: It is a measure of the total heat content of a system. • It is a measure of the disorder or randomness in a system. • It refers to processes or organisms that do not require oxygen to live or function. • It is a substance or compound added to a system to cause a chemical reaction or to test if a reaction occurs. • ...

Carbon Compounds Crossword 2026-01-26

Carbon Compounds Crossword crossword puzzle
Across
  1. A three carbon molecule with a C=C double bond.
  2. An eight carbon molecule made with only single bonds.
  3. The simplest alcohol, also known as wood alcohol.
  4. A gaseous product of a combustion reaction when the fuel contains carbon.
  5. Commonly used in lighters, containing four carbon atoms.
  6. A hydrocarbon containing a carbon-carbon triple bond.
  7. A high-temperature exothermic process where a fuel is burned.
  8. A chemical bond involving the sharing of electron pairs between atoms.
Down
  1. The alcohol found in alcoholic beverages and gasoline made of two carbon atoms.
  2. A chemical bond in which one pair of electrons is shared.
  3. The component of the atmosphere required for a combustion reaction.
  4. A hydrocarbon containing a double bond.
  5. An carbon compound containing an OH group bonded to a carbon atom.
  6. A compound consisting entirely of hydrogen and carbon atoms.
  7. A bond involving six shared electrons, characteristic of alkynes.
  8. A chemical bond in which two pairs of electrons are shared between two atoms.
  9. A saturated hydrocarbon with only single bonds.
  10. A product of the combustion of hydrocarbons or other fuels containing hydrogen atoms..

18 Clues: A hydrocarbon containing a double bond. • A three carbon molecule with a C=C double bond. • A saturated hydrocarbon with only single bonds. • The simplest alcohol, also known as wood alcohol. • An eight carbon molecule made with only single bonds. • A hydrocarbon containing a carbon-carbon triple bond. • Commonly used in lighters, containing four carbon atoms. • ...

Energy and Chemical Reactions 2021-03-08

Energy and Chemical Reactions crossword puzzle
Across
  1. Used to speed up a chemical reaction
  2. A reaction that gives off heat
  3. It is a biochemical reaction
  4. Needed for respiration to occur
  5. A reaction that keeps the heat in
Down
  1. Energy to get going
  2. A factor that affects respiration
  3. Needed to react with glucose
  4. Proteins that work at a particular temperature
  5. The ability to work

10 Clues: Energy to get going • The ability to work • Needed to react with glucose • It is a biochemical reaction • A reaction that gives off heat • Needed for respiration to occur • A factor that affects respiration • A reaction that keeps the heat in • Used to speed up a chemical reaction • Proteins that work at a particular temperature

Photosynthesis 2021-04-20

Photosynthesis crossword puzzle
Across
  1. Tubes that distribute water to the plant
  2. Substances formed in a chemical reaction
  3. Green Pigment
  4. Lets gases in and out
  5. stuff needed to survive
Down
  1. What is needed for a reaction to take place
  2. comes from the sun
  3. Organelles needed for photosynthesis
  4. Plants use the energy light in a reaction
  5. Carries glucose
  6. needed for reactants

11 Clues: Green Pigment • Carries glucose • comes from the sun • needed for reactants • Lets gases in and out • stuff needed to survive • Organelles needed for photosynthesis • Tubes that distribute water to the plant • Substances formed in a chemical reaction • Plants use the energy light in a reaction • What is needed for a reaction to take place

savanna 2021-12-02

savanna crossword puzzle
Across
  1. when reaction and its reverse act at the same rate
  2. is how quickly the concentration of reactants decreases and how quickly the concentration of products increases
  3. AB=A+B
  4. is a chemical that accepts a hydrogen ion, H
Down
  1. AB+oxygen=oxides of A and B
  2. A+B=AB
  3. a substance that lowers the activation energy of a chemical reaction, which allows for the reacting to go faster
  4. is a measure of the concentration of hydronium ions
  5. is a chemical that donates a hydrogen ion, H
  6. displacement AB+CD=AD+CB
  7. displacement AB+C=AC+B

11 Clues: A+B=AB • AB=A+B • displacement AB+C=AC+B • displacement AB+CD=AD+CB • AB+oxygen=oxides of A and B • is a chemical that donates a hydrogen ion, H • is a chemical that accepts a hydrogen ion, H • when reaction and its reverse act at the same rate • is a measure of the concentration of hydronium ions • ...

Chemical Reactions Review 2022-04-29

Chemical Reactions Review crossword puzzle
Across
  1. having been thought about carefully
  2. happens suddenly, unexpectedly, or prematurely.
  3. retrieve or recover
  4. in a chemical reaction mass is neither created nor destroyed
  5. a limitation or restriction.
  6. a thing or person that is the result of an action or process
  7. internal energy present in a system in a state of thermodynamic equilibrium by virtue of its temperature.
  8. reaction or process accompanied by the release of heat.
  9. when one chemical substance is transformed into one or more different substances
Down
  1. a process that involves rearrangement of the molecular or ionic structure of a substance
  2. a principle or standard by which something may be judged or decided.
  3. a system that has flows of information, energy, and/or matter between the system and its environment, and which adapts to the exchange
  4. reaction or process accompanied by or requiring the absorption of heat
  5. a region that is isolated from its surroundings by a boundary that admits no transfer of matter or energy across it.
  6. a substance that takes part in and undergoes change during a reaction.
  7. become or cause to become incorporated into a liquid so as to form a solution.
  8. a first, typical, or preliminary model of something, especially a machine, from which other forms are developed or copied.

17 Clues: retrieve or recover • a limitation or restriction. • having been thought about carefully • happens suddenly, unexpectedly, or prematurely. • reaction or process accompanied by the release of heat. • in a chemical reaction mass is neither created nor destroyed • a thing or person that is the result of an action or process • ...

Review 2025-03-09

Review crossword puzzle
Across
  1. An exothermic reaction is a chemical reaction that ___________ heat to its surroundings.
  2. Crystallization happens when a dissolved substance forms a _________ with a repeating pattern of molecules or atoms.
  3. Aluminum reacts with sodium hydroxide to produce ___________ gas and heat.
  4. When sodium acetate crystallizes in a hand warmer, it releases heat, making it an ___________ process.
  5. The reaction between calcium oxide and water is an example of an ___________ reaction.
  6. Crystallization can also absorb heat, making it an ________process, as seen with ammonium chloride.
Down
  1. Sodium carbonate reacts with calcium hydroxide to produce ___________ in the heating pack.
  2. In an endothermic reaction, energy is ___________ from the surroundings.
  3. In an endothermic reaction, the products have _______ energy than the reactants.
  4. The energy needed to start a chemical reaction is called ___________ energy.
  5. To make a supersaturated solution, first ______ the solvent to dissolve more solute than usual.

11 Clues: In an endothermic reaction, energy is ___________ from the surroundings. • Aluminum reacts with sodium hydroxide to produce ___________ gas and heat. • The energy needed to start a chemical reaction is called ___________ energy. • In an endothermic reaction, the products have _______ energy than the reactants. • ...

Reaction Rates and Equilibrium 2023-05-10

Reaction Rates and Equilibrium crossword puzzle
Across
  1. Reaction A new product is formed
  2. A negative change in heat
  3. Aligns reactants correctly
  4. Shift The reverse reaction is favored
Down
  1. Increased when heat is added
  2. You can see this when you have a chemical reaction
  3. What is being made

7 Clues: What is being made • A negative change in heat • Aligns reactants correctly • Increased when heat is added • Reaction A new product is formed • Shift The reverse reaction is favored • You can see this when you have a chemical reaction

Structures & Changes 2013-12-19

Structures & Changes crossword puzzle
Across
  1. A chart of the elements showing the repeating pattern of their properties
  2. Particles that have a positive charge, found in the nucleus
  3. A one-or-two letter representation of an element
  4. The mass of the reactants must equal the mass of the products
  5. Two or more molecules interact to form different molecules
  6. The amount of matter a substance has
  7. Center of an atom
  8. Changes depending on how much gravity is present
Down
  1. The average mass of one atom of an element
  2. Elements in the same vertical column of the periodic table. Also called "family"
  3. Particles that have no charge, and are neutral. Found in nucleus
  4. A horizontal row of elements in the periodic table
  5. What's around after a chemical reaction takes place
  6. A unit used to measure the mass of particles in atoms; a proton or neutron has a mass of one amu
  7. Particles that have a negative charge. Found outside nucleus
  8. The number of protons in the nucleus of an atom
  9. The substances that are around at the beginning of a chemical reaction
  10. The smallest componet of an element, the building blocks of matter
  11. "Not divisible". Originated from Greek philosopher, Democritus

19 Clues: Center of an atom • The amount of matter a substance has • The average mass of one atom of an element • The number of protons in the nucleus of an atom • A one-or-two letter representation of an element • Changes depending on how much gravity is present • A horizontal row of elements in the periodic table • What's around after a chemical reaction takes place • ...

Chemistry of Life 2016-11-13

Chemistry of Life crossword puzzle
Across
  1. a thing that is composed of two or more separate elements
  2. any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in alcohol, ether, and chloroform
  3. Energy the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
  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. an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  6. The hereditary material in humans and almost all other organisms.
  7. the substance on which an enzyme acts
Down
  1. a compound consisting of a nucleoside linked to a phosphate group
  2. any of a large group of organic compounds occurring in foods and living tissues
  3. The basic unit of a chemical reaction
  4. a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.

11 Clues: The basic unit of a chemical reaction • the substance on which an enzyme acts • a thing that is composed of two or more separate elements • a compound consisting of a nucleoside linked to a phosphate group • The hereditary material in humans and almost all other organisms. • any of a large group of organic compounds occurring in foods and living tissues • ...

Reaction Rates and Equilibrium 2023-05-10

Reaction Rates and Equilibrium crossword puzzle
Across
  1. Reaction A new product is formed
  2. A negative change in heat
  3. Aligns reactants correctly
  4. Shift The reverse reaction is favored
Down
  1. Increased when heat is added
  2. You can see this when you have a chemical reaction
  3. What is being made

7 Clues: What is being made • A negative change in heat • Aligns reactants correctly • Increased when heat is added • Reaction A new product is formed • Shift The reverse reaction is favored • You can see this when you have a chemical reaction

Balancing Chemical Equations 2023-05-16

Balancing Chemical Equations crossword puzzle
Across
  1. Reaction Chemical bond that involves the sharing of electrons to form electron pairs between atoms
  2. Chemical bond that involves the sharing of electrons to form electron pairs between atoms
  3. The production of chemical compounds by reaction from simpler materials.
Down
  1. The process or effect of simplifying a single chemical entity into two or more fragments.
  2. A chemical substance that is present at the start of a chemical reaction, and is changed as the chemical reaction proceeds.
  3. The quantity amount of substance is a measure of how many elementary entities of a given substance are in an object or sample.
  4. Bonds chemical bond that involves the sharing of electrons to form electron pairs between atoms

7 Clues: The production of chemical compounds by reaction from simpler materials. • The process or effect of simplifying a single chemical entity into two or more fragments. • Chemical bond that involves the sharing of electrons to form electron pairs between atoms • Bonds chemical bond that involves the sharing of electrons to form electron pairs between atoms • ...

Word test 1 2025-09-01

Word test 1 crossword puzzle
Across
  1. A chemical reaction where a single substance breaks down into simpler substances.
  2. a substance formed when two or more atoms bonded together.
  3. A substance that can not be further divided into simpler substances by chemical methodsCompounds = A pure substance formed by chemical combination of two or more elements in fixed proportions.Compounds = A pure substance formed by chemical combination of two or more elements in fixed proportions.
  4. A chemical reaction where two or more substances join to form a new substance.
  5. The smallest particles in chemical reaction.
Down
  1. chemical reaction where two or more substances join to form a new substance.
  2. A pure substance formed by chemical combination of two or more elements in fixed proportions.

7 Clues: The smallest particles in chemical reaction. • a substance formed when two or more atoms bonded together. • chemical reaction where two or more substances join to form a new substance. • A chemical reaction where two or more substances join to form a new substance. • A chemical reaction where a single substance breaks down into simpler substances. • ...

chemical reactions crossword 2013-12-17

chemical reactions crossword crossword puzzle
Across
  1. a number placed in front of a chemical formula
  2. a reaction which energy is absorded
  3. substances in the beginning
  4. rapid reaction
Down
  1. cells in your body
  2. breaks down componds
  3. reaction that releases energy
  4. material that increases the rate of a reaction
  5. material that releases energy when burns
  6. two or more element compounds combined to make substance

10 Clues: rapid reaction • cells in your body • breaks down componds • substances in the beginning • reaction that releases energy • a reaction which energy is absorded • material that releases energy when burns • a number placed in front of a chemical formula • material that increases the rate of a reaction • two or more element compounds combined to make substance

Homework #2 2023-10-10

Homework #2 crossword puzzle
Across
  1. A series of chemical reactions that convert light energy to chemical energy within food (glucose)
  2. concentration of solute greater inside the cell than outside the cell; water flows in
  3. Occurs in the cytoplasm, Starts the sugar breakdown pathway of aerobic respiration and fermentation, produces 2 ATP and 2 pyruvate
  4. Diffusion & Osmosis -No energy; moves down the concentration gradient
  5. enters the leaves through tiny holes on the bottom of leaf, called stomata.
  6. Material inside the cell packaged into vesicles
  7. study of energy and energy transfer involving physical matter.
  8. outcomes of reaction
  9. main components of the cell membrane
  10. makes ATP with oxygen: Happens in the mitochondria; results in 36-38 ATP
  11. pocket in an enzyme where substrates bind and a reaction occurs
  12. anaerobic sugar breakdown pathway that produces ATP and lactate
  13. 2nd stage of photosynthesis: Also known as "Calvin cycle" or “Dark Reactions”; Occurs in stroma of chloroplasts, uses ATP to incorporate CO2 into carbohydrate, creates glucose
  14. require energy to synthesize larger molecules.
  15. molecule that enters a reaction and is changed by participating in it
  16. cell to Cell recognition site (like lock and key)
  17. Breakdown organic molecules without using oxygen, only uses glycolysis to break down glucose
  18. light (photon) is absorbed by chlorophyll causing it to “donate” an electron. Requires water and light, occurs in the thylakoids, oxygen is the product
  19. energy when objects are in motion.
  20. a set of chemical reactions that involves the building, rearranging, or breaking down organic molecules.
  21. Also called "Citric Acid Cycle"- occurs in the mitochondria matrix, produces 2 ATP and CO2
  22. glucose --> ethyl alcohol + CO2 + 2 ATP
  23. stored energy
  24. Cytoplasm (gel-like) fluid inside the chloroplast; light independent reaction happens here
  25. anaerobic sugar breakdown pathway that produces ATP, CO2, and ethanol
  26. molecule that is produced by a reaction
Down
  1. Energy from electrons is converted into ATP and an e- carrier
  2. 1st stage of photosynthesis: Uses light energy, takes place in thylakoid membranes of chloroplast, produces ATP and O2
  3. Add function, such as, transport, enzymeS, attachment, & communication.
  4. Diffusion of water across a selectively permeable membrane
  5. concentration of solutes greater outside the cell than inside the cell; water flows out
  6. equal concentrations of solute and water; no osmosis
  7. (water-fearing) region faces inward
  8. enzyme slightly changes shape when substrates bind to it
  9. Adenosine Triphosphate; keeps cells alive - is an energy carrier
  10. (water-loving) region faces outward
  11. Endocytosis & exocytosis -Requires energy; moves up the concentration gradient
  12. Last electron acceptor
  13. generate energy by breaking down larger molecules.
  14. Environmental factors (pH, temperature, salt) influences enzymes
  15. an agent that speeds up the rate of a chemical reaction without being consumed (used up) during the reaction
  16. Only found in animal plasma membranes; strengthens the plasma membrane
  17. protein catalysts in living cells.
  18. a substance that absorbs light energy (visible light)
  19. Located in leaves; made of thylakoid membranes, Interconnected folded stacks “like pancake stacks”, light dependent reaction happens here
  20. makes ATP without oxygen: results in 2 ATP
  21. Plasma membrane invaginates to form a vesicle that brings substances into the cell
  22. all living organisms need energy. In order to use the energy stored in sugars, cells must convert it to ATP
  23. The Electron Transport Chain- final step of aerobic cellular respiration, occurs in the mitochondria inner folds "cristae", uses ATP synthase to create more ATP resulting in 32-34 ATP
  24. chemical reactions that take place in living organisms
  25. Occurs in response to a difference in solute concentration between the fluids on either side of the membrane
  26. plants use photosynthesis to capture sunlight, and herbivores eat the plants to obtain energy.

52 Clues: stored energy • outcomes of reaction • Last electron acceptor • protein catalysts in living cells. • energy when objects are in motion. • (water-fearing) region faces inward • (water-loving) region faces outward • main components of the cell membrane • glucose --> ethyl alcohol + CO2 + 2 ATP • molecule that is produced by a reaction • makes ATP without oxygen: results in 2 ATP • ...

Conservation of Mass 2016-01-13

Conservation of Mass crossword puzzle
Across
  1. An action in a reverse direction or manner.
  2. Substances initially present in a chemical reaction that are consumed during the reaction to make products.
  3. Is part of the 11 group in the periodic table.
  4. Substance that is formed as the result of a chemical reaction.
  5. He is widely considered in popular literature as the "father of modern chemistry"
Down
  1. Is part of the 8 group in the periodic table.
  2. He was the first Russian Scientist of natural importance
  3. The downward force caused by gravity on an object.
  4. A measure of how much matter is in an object.
  5. Is part of the 12 group in the periodic table.

10 Clues: An action in a reverse direction or manner. • Is part of the 8 group in the periodic table. • A measure of how much matter is in an object. • Is part of the 11 group in the periodic table. • Is part of the 12 group in the periodic table. • The downward force caused by gravity on an object. • He was the first Russian Scientist of natural importance • ...

Topic based crosswrod 2025-01-21

Topic based crosswrod crossword puzzle
Across
  1. What term describes a process in which substances change into new ones?
  2. What process requires energy to separate atoms in molecules?
  3. What term describes the result of energy transfer in a reaction?
  4. What term describes the speed at which a reaction takes place?
  5. What substance speeds up a reaction without being consumed?
  6. What term describes the part of the universe being studied in thermodynamics?
  7. What measures how hot or cold something is?
  8. What process releases energy when atoms in molecules come together?
  9. What term describes a distinct form of matter, such as solid, liquid, or gas?
  10. What is the capacity to do work or produce heat?
  11. What type of reaction occurs when an acid and a base react?
  12. What term describes the movement of energy from one place to another?
  13. What is the SI unit of energy?
  14. What term describes a reaction that requires external energy to occur?
  15. What type of reaction absorbs energy from the surroundings?
  16. What is the chemical process of burning a substance with oxygen?
Down
  1. What is the transfer of thermal energy from one object to another?
  2. What factors must be met for a reaction to start?
  3. What is the amount of energy taken in during an endothermic reaction?
  4. What type of reaction releases energy to the surroundings?
  5. What term describes the force holding atoms together in molecules?
  6. What is the minimum energy required to start a reaction?
  7. What is the amount of energy given off in an exothermic reaction?
  8. What is the process of a substance dissolving in a solvent?
  9. What occurs when substances transition between solid, liquid, or gas?
  10. What term describes the balance where opposing processes occur at equal rates?
  11. What biological process releases energy from glucose in cells?
  12. What term describes a reaction that occurs without external energy?
  13. What is the force per unit area that affects reaction rates and boiling points?
  14. What is everything outside the system in thermodynamics?

30 Clues: What is the SI unit of energy? • What measures how hot or cold something is? • What is the capacity to do work or produce heat? • What factors must be met for a reaction to start? • What is the minimum energy required to start a reaction? • What is everything outside the system in thermodynamics? • What type of reaction releases energy to the surroundings? • ...

Topic 8 Vocab. 2026-03-25

Topic 8 Vocab. crossword puzzle
Across
  1. a collision in which the particles meet with sufficient energy and proper orientation that allows for a reaction
  2. any change in concentration, pressure, or temperature on an equilibrium system
  3. a reaction at equilibrium will react to reduce a stress
  4. the amount of energy needed to form an activated complex from reactants
  5. the difference between the potential energy of the reactants and the potential energy of the products
Down
  1. a substance that alters the speed of a chemical reaction without being permanently changed
  2. a diagram showing the changes in potential energy as a reaction proceeds
  3. a measure of the disorder or randomness of a system
  4. a condition in which the rates of opposing reactions are equal
  5. the temporary, intermediate product in a chemical reaction

10 Clues: a measure of the disorder or randomness of a system • a reaction at equilibrium will react to reduce a stress • the temporary, intermediate product in a chemical reaction • a condition in which the rates of opposing reactions are equal • the amount of energy needed to form an activated complex from reactants • ...

Revision (XI grade) 2024-12-28

Revision (XI grade) crossword puzzle
Across
  1. The reaction that forms products from reactants.
  2. Energy associated with the motion of particles.
  3. Increasing this factor speeds up reactions involving solids.
  4. The minimum energy required for a reaction to occur.
  5. The principle that explains how a system at equilibrium responds to changes in conditions.
  6. A system where no matter enters or leaves, allowing equilibrium to occur.
Down
  1. The theory that chemical reactions occur when particles collide with sufficient energy and proper orientation.
  2. A reaction that can proceed in both forward and backward directions.
  3. Affects the equilibrium of gaseous reactions by altering the number of particle collisions.
  4. Symbolized as 𝑄c it predicts the direction a reaction will proceed relative to 𝐾𝑐
  5. A state in which the forward and reverse reactions occur at the same rate.
  6. The speed at which reactants are converted into products.
  7. Increasing this factor generally increases the reaction rate by providing more particles to collide.
  8. A substance that speeds up a reaction without being consumed.
  9. Describes equilibrium where reactions are ongoing but balanced.
  10. A factor that increases reaction rate by providing particles with more kinetic energy.

16 Clues: Energy associated with the motion of particles. • The reaction that forms products from reactants. • The minimum energy required for a reaction to occur. • The speed at which reactants are converted into products. • Increasing this factor speeds up reactions involving solids. • A substance that speeds up a reaction without being consumed. • ...

Physical Science - Crossword Chemistry List 1 2021-04-09

Physical Science - Crossword Chemistry List 1 crossword puzzle
Across
  1. Atoms of the same element, but have different masses.
  2. A unique number for each element that equals the number of protons in an atom of that element.
  3. An arrangement of elements in columns based on a set of properties that repeat from row to row.
  4. An ion with a positive charge.
  5. New substances formed as a result of a chemical reaction.
  6. A substance that undergoes change in a chemical reaction.
  7. The possible energies that electrons in an atom can have.
  8. The mass of one mole of a substance.
  9. A law stating mass is neither created nor destroyed during chemical or physical reactions.
  10. The smallest unit of an element that maintains the properties of that element.
  11. An electron that is in the highest occupied energy level of an atom.
Down
  1. The weighted average of the atomic masses of the naturally occurring isotopes of an element.
  2. An ion with a negative charge due to gaining electrons.
  3. A positively charge subatomic particle that is found in the nucleus of an atom.
  4. an atom or group of atoms that has a positive or negative charge due to gaining or losing electrons.
  5. A visual model of the most likely locations for the electrons in an atom.
  6. A neutral subatomic particle that is found in the nucleus of an atom.
  7. A negatively charged subatomic particle found in energy levels around the nucleus of an atom.
  8. 6.02 x 10^23 the number of particles in exactly one mole of a pure substance.
  9. The calculation of quantities of chemical elements or compounds involved in chemical reactions.

20 Clues: An ion with a positive charge. • The mass of one mole of a substance. • Atoms of the same element, but have different masses. • An ion with a negative charge due to gaining electrons. • New substances formed as a result of a chemical reaction. • A substance that undergoes change in a chemical reaction. • The possible energies that electrons in an atom can have. • ...

Unit 4 Vocab 2021-12-13

Unit 4 Vocab crossword puzzle
Across
  1. anything that has mass and takes up space
  2. Which element makes up most of the mass of the human body?
  3. is the smallest unit of a substance that maintains the properties of that substance
  4. Substances that contain only one type of atom
  5. During a _____ _____, atoms are
  6. where photosynthesis takes place
  7. the smallest unit of living things
  8. is an organism that gets energy and matter by eating other organisms
  9. A substance made of atoms of two or more different elements
  10. is the ability to cause change
Down
  1. is a series of chemical reactions in which the cells of producers use energy from the sun to make carbon-based food molecules, known as sugars or glucose
  2. is a process that uses oxygen to release the energy stored in food molecules
  3. occurs when the eroded materials are dropped, or laid down
  4. The starting substances in a chemical reaction
  5. The substances formed in a chemical reaction
  6. is made up of two or more atoms held together by chemical bonds
  7. Fragments of weathered rock
  8. is the process by which rock materials are broken down by the action of physical and chemical processes.
  9. into new substances
  10. is the process by which wind, water, ice, or gravity transport weathered materials from one location to another
  11. is an organism that gets energy and matter by breaking down the remains of other organisms that have died
  12. is an organism that uses energy and matter from the environment to make its own food molecules

22 Clues: into new substances • Fragments of weathered rock • is the ability to cause change • During a _____ _____, atoms are • where photosynthesis takes place • the smallest unit of living things • anything that has mass and takes up space • The substances formed in a chemical reaction • Substances that contain only one type of atom • The starting substances in a chemical reaction • ...

Weathering 2026-02-26

Weathering crossword puzzle
Across
  1. A type of weathering caused by chemical reactions.
  2. A honeycomb pattern created by the formation of salt crystals when ocean water evaporates.
  3. Rock formed from the compaction and cementation of sand.
  4. As igneous rocks are uplifted, the pressure from the surrounding rock decreases.
  5. Igneous rock with large crystals.
  6. A chemical reaction between the iron in rocks and oxygen in the air.
  7. The process in which limestone dissolves.
  8. The growth of these organisms on rocks produces chemicals that break down the minerals in the rock.
  9. A type of mechanical weathering where water freezes in cracks, making them bigger and breaking down the rock.
  10. This is caused by the expansion and contraction of minerals at different rates when there are temperature changes, and results in rocks shedding their outer layers.
Down
  1. When the surface of the rock is scratched.
  2. A chemical weathering that transforms minerals into clay.
  3. Rock formed from mud and silt.
  4. The process of physically wearing down the rock without a chemical reaction.
  5. Weather conditions of over a specific region that generally stay the same.
  6. A type of chemical weathering that breaks down rocks by creating rust.
  7. Rock composed of calcium carbonate that comes from the remains of living things. .
  8. When tree roots grow into cracks of rocks, slowly forcing them apart.
  9. The process caused by pressure release, where cracked layers of rock peel off like an onion.
  10. The process of creating a solution when a solid becomes part of the liquid.
  11. When rocks are broken down into sediments and soil by rain, ice, wind, and living organisms.

21 Clues: Rock formed from mud and silt. • Igneous rock with large crystals. • The process in which limestone dissolves. • When the surface of the rock is scratched. • A type of weathering caused by chemical reactions. • Rock formed from the compaction and cementation of sand. • A chemical weathering that transforms minerals into clay. • ...

Chemistry Ch.12 Vocabulary 2023-03-13

Chemistry Ch.12 Vocabulary crossword puzzle
Across
  1. the process of finding solutions to difficult or complex issues
  2. the maximum amount of product that can be formed from given amounts of reactants
  3. A chemical equation is the symbolic representation of a chemical reaction
  4. the calculation of quantities in chemical reactions
  5. the ratio of the actual yield to the theoretical yield expressed as a percent
Down
  1. the reactant that is not completely used up in a reaction
  2. the maximum amount of product that could be formed from given amounts of reactants
  3. the reactant that determines the amount of product that can be formed by a reaction
  4. a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles

9 Clues: the calculation of quantities in chemical reactions • the reactant that is not completely used up in a reaction • the process of finding solutions to difficult or complex issues • A chemical equation is the symbolic representation of a chemical reaction • the ratio of the actual yield to the theoretical yield expressed as a percent • ...

Chapter 8 Reading Guide 2021-11-14

Chapter 8 Reading Guide crossword puzzle
Across
  1. a reaction where the change in free energy is negative. Indicating a spontaneous reaction. This includes cellular respiration where delta g for this reaction is approximately -686 kcal/mol.
  2. A protein that acts as a catalyst in living organisms. The specificity of an enzyme results from its shape, which results from amino acid sequence.
  3. Where there is a large concentration of oxygen (lungs or gills), hemoglobin's affinity for oxygen increases as more binding/active sites are filled.
  4. Proper _______ of the substrate
  5. If energy is released, the change in free energy is ____.
  6. Reactants that bind to an enzyme.
  7. A form of work that involves physical processes. Ex: Contraction of muscle cells
  8. A site that has an indentation on the surface of the enyme where catalysis occurs
  9. a reaction where the change in free energy is positive. These also typically possess an additional driving force. This includes photosynthesis which is primarily driven by sunlight.
  10. reactions that consume energy, build larger molecules, include photosynthesis, are considered "uphill"
  11. The rate of an enzymatic reaction increases with increasing temperature, partly because substrates collide with active sites more frequently with more kinetic energy. Each enzyme works better under some conditions than others. Extremes of pH or temperatures can influence a protein's structure.
  12. A form of work which pumps substances across membranes against the direction of spontaneous movement. Ex: sodium-potassium pump
  13. A process that utilizes water to breakdown compounds. Is responsible for breaking down ATP.
  14. A type of inhibitor that reduces the activity of an enzyme by entering the active site in place of the substrate.
  15. The regulation or binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site. This is similar to the noncompetitive inhibitor as it may inhibit enzyme activity but different in the way it stimulates enzyme activity. The binding of an activator stablizies the active form of the enzyme, whereas the binding of an inhibitor stabilizes the inactive.
  16. A human enzyme that functions well in pH 2 and is found in the human stomach.
  17. The amount of energy that reactants must absorb before a chemical reaction will start.
  18. When the terminal phosphate bond is broken, a molecule of inorganic phosphate P is formed, and energy is... For this reaction: ATP = ADP + P and Delta G = -7.3 (exergonic)
  19. an energy form a body possess based on its position relative to others, or structure. Ex: water behind a dam or mole of glucose.
Down
  1. Is an organic molecule serving as a cofactor, most vitamins are coenzymes in metabolic reactions.
  2. This is the use of energy released from an exergonic reaction to drive an endergonic reaction. In many cellular reactions, a phosphate group is transferred from ATP to some other molecule in order to make the second molecule less stable. The second molecule is said to be a phosphorylated intermediate. If you couldn't regenerate ATP by phosphorylation ADP, you would need to consume nearly your body weight in ATP each day.
  3. Fun fact: Researchers at Cornell have captured a stage of an antibiotic-producing enzyme’s construction process, opening the gateway for future development of pharmaceuticals, including antibiotics, immunosuppressants and chemotherapeutic. The study describes the atomic structure of one enzyme, a polyketide synthase, at two different stages of its reaction cycle. This is the first time an entire polyketide synthase has been visualized. This was accomplished on November 4th 2021. (Answer for this line is "cornell").
  4. A type of energy which is the portion of an entire system's energy that can perform work when pressure and temp. are uniform throughout the system. Symbol: the letter 'G'. For an exergonic reaction, delta g is negative as it experiences a net release of free energy.
  5. Direct ________ of the active site in the chemical reaction is another mechanism of catalysis
  6. Providing a favourable micro-_____
  7. entirety of an organism's chemical reactions, manages the material and energy resources of a cell
  8. initial ______ of substrate: frequently access the active sites of the enzyme molecules
  9. Materials resulting from chemical reactions.
  10. an energy form associated with the motion of bodies. Is a function of the work done on objects.
  11. A chemical agent that increases the rate of reaction without being consumed.
  12. A type of inhibitor or substance that reduce the activity of an enzyme by binding to a location remote from the active site, changing the enzyme's shape so that the active site no longer effectively catalyzes the conversion of substrate to produce.
  13. Consists of adenosine triphosphate. With the sugar ribose, nitrogenous base adenine and three phosphate groups bonded to it.
  14. The optimal pH values for most enzymes are within 6-8
  15. Is a nonprotein molecule or ion that is required for the proper functioning of an enzyme. They are permanently bound to an active site or may bind loosely and reversibly, along with the substrate during catalysis.
  16. reactions release energy, break down molecules, require enzymes to catalyze reactions, includes cellular respiration, are considered "downhill".
  17. A form of work which pushes endergonic reactions that would not occur spontaneously. Ex: synthesis of monomers to polymers.
  18. Due to the entry of the substrate, the change in space of the active site of an enzyme so that it binds/fits more snugly to the substrate.
  19. transition slates by straining the substrate bonds

38 Clues: Proper _______ of the substrate • Reactants that bind to an enzyme. • Providing a favourable micro-_____ • Materials resulting from chemical reactions. • transition slates by straining the substrate bonds • The optimal pH values for most enzymes are within 6-8 • If energy is released, the change in free energy is ____. • ...

Ashton Sayers Chapter 13 2019-03-07

Ashton Sayers Chapter 13 crossword puzzle
Across
  1. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration.
  2. A measure of the acidity of a solution
  3. The deterioration of a metal, typically caused by atmospheric oxygen.
  4. The amount of energy required to pull two bonded atoms apart, which is the same as the amount of energy released when the two atoms are brought together into a bond.
  5. A representation of a chemical reaction in which reactants are written to the left of an arrow that points toward the products on the right.
  6. An ionic compound commonly formed from the reaction between an acid and a base.
Down
  1. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction.
  2. A polyatomic ion made by removing a proton (hydrogen ion) from a water molecule.
  3. Description of a substance that can behave as either an acid or a base.
  4. the new materials formed in a chemical reaction

10 Clues: A measure of the acidity of a solution • the new materials formed in a chemical reaction • The deterioration of a metal, typically caused by atmospheric oxygen. • Description of a substance that can behave as either an acid or a base. • An ionic compound commonly formed from the reaction between an acid and a base. • ...

Aylen Valencia. (oxidantion) 2022-01-20

Aylen Valencia. (oxidantion) crossword puzzle
Across
  1. is a change that is produce when the molecules change, in this process you can´t see a chemical reacction.
  2. is the symbols or the reprensetantion of a chemical change
  3. is negative charge but also is part of a atom
  4. is a process in which the elemts have many chemical changes and that produces a transdormation in this elemnts
  5. is when 22 ore more elements have a reaction or change when they are together
Down
  1. this happens when 2 or a lot of subtances have a reaction and that produce that the subtance have a product diferents of reactns
  2. is when something is connected like elemnts, subtances, people, subjets; etc.
  3. this is use to pull apart the colour by the sun light
  4. is when 2 ore plus elemnts of subtances are together to have like product a chemical reaction
  5. is the number 8 on the peridic table and is a gas
  6. is a produt that have energy in side him and is use in tv controls, toys, experiments, etc
  7. is the objetive or the resul of a previus process

12 Clues: is negative charge but also is part of a atom • is the number 8 on the peridic table and is a gas • is the objetive or the resul of a previus process • this is use to pull apart the colour by the sun light • is the symbols or the reprensetantion of a chemical change • is when something is connected like elemnts, subtances, people, subjets; etc. • ...