chemical reaction Crossword Puzzles

Vocab 2025-10-17

Vocab crossword puzzle
Across
  1. The ability to do work
  2. With what 3 letters do enzymes typically end?
  3. Energy needed to get a reaction started
  4. What is a substance called if it speeds up a chemical reaction?
  5. (Adenosine Triphosphate) Main energy source that cells use for most of their work
  6. A catabolic process that makes a limited amount of ATP from glucose without an electron transport chain or oxygen and that produces ethyl alcohol or lactic acid.
Down
  1. The use of an exergonic process to drive an endergonic one
  2. Any substance that is acted upon by an enzyme is called a(n)?
  3. The break down of larger molecules into small one.
  4. Enzymes are an example of
  5. Enzymes are heated to a high temperature
  6. Where do substrates bind on an enzyme?
  7. energy The amount of energy needed for a reaction to occur is called the _________?
  8. The combination of chemical reactions through which an organism builds up or breaks down materials
  9. Protein substances that speed up chemical reactions

15 Clues: The ability to do work • Enzymes are an example of • Where do substrates bind on an enzyme? • Energy needed to get a reaction started • Enzymes are heated to a high temperature • With what 3 letters do enzymes typically end? • The break down of larger molecules into small one. • Protein substances that speed up chemical reactions • ...

enzyme 2026-03-03

enzyme crossword puzzle
Across
  1. the process of breaking down large molecules into smaller ones.
  2. absorb energy from the surroundings to build the chemical bonds needed to form the products of the reaction
  3. the shape of the active site is fixed and matches perfectly with the substrate
  4. The active site has the ability to change shape to better fit the substrate
  5. inhibit activity of enzyme, they reduce or stop the enzyme from functioning
  6. organic cofactor required by enzyme to function properly
Down
  1. energy required to start any reaction
  2. the final substances (molecules) formed at the end of a chemical reaction
  3. the process of making large molecules from smaller ones
  4. a substance that takes part in and undergoes change during a reaction.
  5. the sum of all the chemical reactions occurring in that cell.
  6. has a net release of energy because free energy is released from the reactants as the molecular bonds are broken.

12 Clues: energy required to start any reaction • the process of making large molecules from smaller ones • organic cofactor required by enzyme to function properly • the sum of all the chemical reactions occurring in that cell. • the process of breaking down large molecules into smaller ones. • a substance that takes part in and undergoes change during a reaction. • ...

Unit 2: Biomolecules, Photosynthesis/Cellular Respiration 2022-09-08

Unit 2: Biomolecules, Photosynthesis/Cellular Respiration crossword puzzle
Across
  1. a simple sugar made in the process of photosynthesis
  2. type of energy holding atoms together
  3. macromolecule that contains CHO; provides long-term energy storage
  4. organelles in plant cells that capture energy from sunlight and convert it into chemical energy during photosynthesis
  5. the process in which our cells break down food and turn it into energy
  6. carbon dioxide
  7. an organism capable of making its own food
  8. pores on the leaf where O2 exits and CO2 enters
  9. macromolecule that contains CHON; needed by body for growth and repair
  10. anything that has mass and takes up space
Down
  1. macromolecule that contains CHONP; includes DNA and RNA
  2. the process that converts light energy into chemical energy that is stored in glucose
  3. an organism that obtains organic food molecules by eating other organisms
  4. a molecule FORMED as a result of a chemical reaction
  5. macromolecule that contains CHO; provides short term energy
  6. water
  7. an organelle found in large numbers in most cells in which the process of cellular respiration occurs
  8. elements or compounds that ENTER into a chemical reaction
  9. compound used by cells to store and release energy; made during cellular respiration
  10. basic unit of matter
  11. oxygen gas

21 Clues: water • oxygen gas • carbon dioxide • basic unit of matter • type of energy holding atoms together • anything that has mass and takes up space • an organism capable of making its own food • pores on the leaf where O2 exits and CO2 enters • a simple sugar made in the process of photosynthesis • a molecule FORMED as a result of a chemical reaction • ...

8th Science Topic 1 Key Terms 2024-12-03

8th Science Topic 1 Key Terms crossword puzzle
Across
  1. A solution that has a pH of 7, indicating it is neither acidic nor basic.
  2. The starting substances in a chemical reaction that undergo change to form products.
  3. Mixture A mixture in which the components are evenly distributed, making it difficult to distinguish the different parts.
  4. Reaction A process in which substances interact to form new substances with different properties.
  5. Tension The result of cohesion at the surface of a liquid, creating a "skin" that resists external force.
  6. A pure substance made of only one type of atom that cannot be broken down into simpler substances.
  7. The attraction between molecules of the same substance, such as water molecules sticking together.
  8. The new substances formed as a result of a chemical reaction.
  9. of Conservation of Mass A scientific principle stating that mass is neither created nor destroyed in a chemical reaction; the total mass of the reactants equals the total mass of the products.
  10. The attraction between molecules of different substances, such as water sticking to a glass surface.
  11. A substance that decreases the concentration of hydrogen ions (H⁺) in a solution, typically having a pH greater than 7.
Down
  1. Mixture A mixture in which the components are not evenly distributed, allowing the different parts to be easily seen and separated.
  2. Equation A symbolic representation of a chemical reaction, showing the reactants and products along with their quantities.
  3. A substance formed when two or more different elements chemically bond together.
  4. A substance that increases the concentration of hydrogen ions (H⁺) in a solution, typically having a pH less than 7.
  5. A substance that can cause damage to other substances by chemically reacting with them, often associated with acids and bases.

16 Clues: The new substances formed as a result of a chemical reaction. • A solution that has a pH of 7, indicating it is neither acidic nor basic. • A substance formed when two or more different elements chemically bond together. • The starting substances in a chemical reaction that undergo change to form products. • ...

Sean Rafferty 2021-11-28

Sean Rafferty crossword puzzle
Across
  1. there is a net absorption of energy
  2. substance that lowers the activation energy of a reaction
  3. when the reaction and its reverse act at the same rate
  4. no atoms are gained or lost during any reaction
Down
  1. amount of energy required to pull two bonded atoms apart; it is the same amount it took to bond
  2. a substance produced during a reaction
  3. there is a net release of energy
  4. a substance that undergoes change during a reaction
  5. a chemical that accepts a hydrogen ion
  6. a chemical that donates a hydrogen ion

10 Clues: there is a net release of energy • there is a net absorption of energy • a substance produced during a reaction • a chemical that accepts a hydrogen ion • a chemical that donates a hydrogen ion • no atoms are gained or lost during any reaction • a substance that undergoes change during a reaction • when the reaction and its reverse act at the same rate • ...

Alicia Casavantes 2020-01-17

Alicia Casavantes crossword puzzle
Across
  1. an article or substance that is manufactured or refined for sale.
  2. the state or process of rotting; decay.
  3. power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
  4. a reaction in which one element is substituted for another element in a compound
  5. the process or result of oxidizing or being oxidized.
  6. hat assembly of atoms which corresponds to an arbitrary infinitesimally small region at or near the col of a potential energy surface"
  7. treat with a chemical buffer.
  8. a principle stating that if a constraint (such as a change in pressure, temperature, or concentration of a reactant) is applied to a system in equilibrium, the equilibrium will shift so as to tend to counteract the effect of the constraint.
  9. a substance that takes part in and undergoes change during a reaction.
  10. the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
  11. the process of making a substance chemically or catalytically active.
  12. the area of such an outer part or uppermost layer.
  13. a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system.
  14. a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent
Down
  1. the relative amount of a given substance contained within a solution or in a particular volume of space; the amount of solute per unit volume of solution.
  2. the physical force exerted on an object. The force applied is perpendicular to the surface of objects per unit area
  3. a chemical reaction where the reactants form products that, in turn, react together to give the reactants back
  4. a thermodynamic quantity equivalent to the total heat content of a system. It is equal to the internal energy of the system plus the product of pressure and volume.
  5. the process of burning something.
  6. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  7. outer shell electron that is associated with an atom, and that can participate in the formation of a chemical bond
  8. the combination of ideas to form a theory or system.
  9. the ratio between two related quantities in different units.
  10. a gene whose presence prevents the expression of some other gene at a different locus.

24 Clues: treat with a chemical buffer. • the process of burning something. • the state or process of rotting; decay. • the area of such an outer part or uppermost layer. • the combination of ideas to form a theory or system. • the process or result of oxidizing or being oxidized. • the ratio between two related quantities in different units. • ...

Chemistry of Life 2023-12-05

Chemistry of Life crossword puzzle
Across
  1. what goes into a chemical reaction
  2. attachment
  3. component
  4. has low melting and boiling points
  5. found in the cell nucleus
  6. Fe
  7. weak and easily broken
  8. barrier
  9. speed up a reaction
  10. blood vessels
Down
  1. atoms; negatively or positively charged
  2. H20 when water molecules interact less with each other.
  3. connecting
  4. maintaining a stable_____ is very important for your health.
  5. stable
  6. released energy
  7. absorbed
  8. speed up metabolism
  9. study of organisms
  10. nucleic acid

20 Clues: Fe • stable • barrier • absorbed • component • connecting • attachment • nucleic acid • blood vessels • released energy • study of organisms • speed up metabolism • speed up a reaction • weak and easily broken • found in the cell nucleus • what goes into a chemical reaction • has low melting and boiling points • atoms; negatively or positively charged • ...

Alexa Hartbarger Chapter 13 2021-02-25

Alexa Hartbarger Chapter 13 crossword puzzle
Across
  1. law that says no atoms are gained or lost during any reaction
  2. when there is more + signs on the left side
  3. when there is more + signs on the right side
  4. amount of energy required to pull 2 atoms apart
  5. when just one element gets a new partner
Down
  1. reaction where there is a net release of energy
  2. reaction where there is a net absorption of energy
  3. when you make oxides in a chemical reaction
  4. when 2 (or more) elements get a new partner
  5. substance that lowers the activation energy of a chemical reaction

10 Clues: when just one element gets a new partner • when you make oxides in a chemical reaction • when 2 (or more) elements get a new partner • when there is more + signs on the left side • when there is more + signs on the right side • reaction where there is a net release of energy • amount of energy required to pull 2 atoms apart • ...

Chemical Reactions 2022-05-13

Chemical Reactions crossword puzzle
Across
  1. A reactant used in baking
  2. a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.
  3. A number to the right below a chemical symbol that shows atoms
  4. Bases taste like...
Down
  1. the process or result of oxidizing or being oxidized
  2. a product is a substance that is formed as the result of a chemical reaction
  3. What happens after you eat
  4. a substance that takes part in and undergoes change during a reaction.
  5. acid tastes like...
  6. A number that shows how many molecules are in a chemical reaction

10 Clues: acid tastes like... • Bases taste like... • A reactant used in baking • What happens after you eat • the process or result of oxidizing or being oxidized • A number to the right below a chemical symbol that shows atoms • A number that shows how many molecules are in a chemical reaction • a substance that takes part in and undergoes change during a reaction. • ...

TYPES OF REACTIONS 2024-05-08

TYPES OF REACTIONS crossword puzzle
Across
  1. least reactive metal
  2. white silver chloride turns __________ in sunlight
  3. a single substance decomposes to give two or more substances
  4. reaction in which a single product is formed from two or more reactants
  5. reaction between an acid and base to form salt and water
  6. electrolysis of water is an ___________ reaction
Down
  1. used for whitewashing of walls
  2. most reactive metal
  3. pale green crystals used in thermal decomposition
  4. decomposition of vegetable matter into compost is an example of an _________ reaction
  5. commonly known as quick lime
  6. reaction in which a substance gains oxygen or losses hydrogen
  7. colour of magnesium oxide
  8. used for manufacturing of cement
  9. chemical formula of marble

15 Clues: most reactive metal • least reactive metal • colour of magnesium oxide • chemical formula of marble • commonly known as quick lime • used for whitewashing of walls • used for manufacturing of cement • electrolysis of water is an ___________ reaction • pale green crystals used in thermal decomposition • white silver chloride turns __________ in sunlight • ...

Vocab IPC 2024-11-08

Vocab IPC crossword puzzle
Across
  1. A substance that takes part in and undergoes change during a reaction.
  2. A product is a substance that is formed as the result of a chemical reaction.
  3. keeping or showing a balance; arranged in good proportions.
  4. a principle stating that mass cannot be created or destroyed.
  5. not keeping or showing an even balance; not evenly distributed.
Down
  1. A symbolic representation of what happens when chemicals come in contact with one another.
  2. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
  3. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
  4. the basic unit of a chemical element.
  5. a number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction.

10 Clues: the basic unit of a chemical element. • keeping or showing a balance; arranged in good proportions. • a principle stating that mass cannot be created or destroyed. • not keeping or showing an even balance; not evenly distributed. • A substance that takes part in and undergoes change during a reaction. • ...

Chemical Changes 2025-02-13

Chemical Changes crossword puzzle
Across
  1. – Breaking down food in the body.
  2. – Breakdown of organic material over time.
  3. – Heating food and changing its chemical structure.
  4. – A chemical reaction with oxygen.
Down
  1. – A metal loses its shine due to a chemical reaction.
  2. – A rapid release of energy in a reaction.
  3. – The process that turns sugar into alcohol.
  4. – A substance reacts with oxygen and produces heat and light.
  5. – Breaking down organic matter into simpler substances.

9 Clues: – Breaking down food in the body. • – A chemical reaction with oxygen. • – A rapid release of energy in a reaction. • – Breakdown of organic material over time. • – The process that turns sugar into alcohol. • – Heating food and changing its chemical structure. • – A metal loses its shine due to a chemical reaction. • ...

Energy in Chemical Reaction Crossword 2023-03-13

Energy in Chemical Reaction Crossword crossword puzzle
Across
  1. a type of chemical reactions where energy is absorbed and the temperature decreases
  2. a device that you can build which allows for you to measure the amount of heat in a chemical reaction
  3. a physical quantity that measure of hotness or coldness, can be measure in ℃, ℉, or K
  4. a type of chemical reactions where energy is released and the temperature increases
Down
  1. the process of elements and compounds rearranging to form new elements and molecules.
  2. the heat required to raise one g of a substance by one ℃
  3. measurement of the energy contained in a system ( ΔH)
  4. the ability to do work, can be measured for a chemical reaction
  5. the connection between the atoms in a molecule
  6. a law that states that the change in enthalpy of a system during a chemical reaction is independent of the order of steps in which the reaction takes place. ( ΔHnet=∑ΔHr)

10 Clues: the connection between the atoms in a molecule • measurement of the energy contained in a system ( ΔH) • the heat required to raise one g of a substance by one ℃ • the ability to do work, can be measured for a chemical reaction • a type of chemical reactions where energy is absorbed and the temperature decreases • ...

Thermochem 2022-03-18

Thermochem crossword puzzle
Across
  1. sum of heat values
  2. one substance changes into two or more other substances
  3. the process of burning something
  4. a substance produced
  5. a substance that takes undergoes change during a reaction
  6. average
  7. occurring at the beginning
  8. alter or modify
  9. energy unit
  10. outer heat flow
  11. maximum amount
Down
  1. inner heat flow
  2. area around
  3. quantities of heat absorbed during chemical reactions
  4. occurring continuously
  5. clearly defined
  6. the action of forming
  7. coming at the end
  8. heat values
  9. heat content

20 Clues: average • area around • heat values • energy unit • heat content • maximum amount • inner heat flow • clearly defined • alter or modify • outer heat flow • coming at the end • sum of heat values • a substance produced • the action of forming • occurring continuously • occurring at the beginning • the process of burning something • quantities of heat absorbed during chemical reactions • ...

Lesson 3.1 Key Terms 2025-11-18

Lesson 3.1 Key Terms crossword puzzle
Across
  1. Resistance to plastic deformation, scratching, or cutting
  2. carbon steel: Steel with a high amount of carbon, known for hardness
  3. carbon steel: Steel that is soft and easy to work with
  4. A lightweight, corrosion-resistant metal
  5. property: A property that describes a material's behavior under load
  6. A substance that produces ions in solution, conducting electricity
  7. Not containing iron
  8. A process of heat treatment to improve toughness
  9. A chemical reaction that involves the loss of electrons
  10. The amount of space an object occupies
  11. A lightweight, low-density metallic element
  12. Deterioration of a metal by chemical reaction, such as rust
  13. A strong, common magnetic metal
  14. A substance formed from two or more elements chemically united in fixed proportions
  15. The smallest component of an element
  16. The property of attraction to a magnet
  17. A pure substance that cannot be broken down into simpler substances
  18. A reddish-brown metal, excellent electrical conductor
  19. replacement reaction: A reaction in which one element takes the place of another in a compound
  20. To heat and cool to soften and reduce brittleness
  21. steel: An iron alloy with chromium that resists rust and corrosion
  22. strength: The resistance of a material to breaking under tension
  23. The unit of electric potential difference
  24. A measure of the amount of matter in a body
Down
  1. A class of elements typically shiny, malleable, and conductive
  2. The negative electrode
  3. An atom or group of atoms that has a net positive or negative charge
  4. conductivity: The ability to conduct heat
  5. A process to make a metal hard or rigid
  6. The ability to conduct heat or electricity
  7. expansion: The tendency of matter to change in volume in response to temperature change
  8. bond: A chemical bond formed by the sharing of electrons
  9. The ability to be hammered or rolled into thin sheets
  10. property: Characteristics seen during a reaction, like flammability or oxidation state
  11. The ability to be drawn into a thin wire
  12. reaction: A process that transforms one or more substances into new ones
  13. reaction: Electrochemical process where one metal corrodes preferentially when in contact with another
  14. The ability to return to an original shape after deformation
  15. The smallest physical unit of a compound or element, composed of one or more atoms
  16. A bluish-white metallic element used as a protective coating for iron
  17. The property of a material that causes it to break under small stress
  18. The positive electrode
  19. Mass per unit volume
  20. Opposition to the flow of electric current
  21. Relating to or containing iron
  22. property: Characteristics that can be observed without changing the substance's chemical identity
  23. A mixture of two or more metals
  24. An alloy of iron and carbon

48 Clues: Not containing iron • Mass per unit volume • The negative electrode • The positive electrode • An alloy of iron and carbon • Relating to or containing iron • A strong, common magnetic metal • A mixture of two or more metals • The smallest component of an element • The amount of space an object occupies • The property of attraction to a magnet • ...

Conner S Mr Burkholder Physical Science chapter 12 2019-03-08

Conner S Mr Burkholder Physical Science chapter 12 crossword puzzle
Across
  1. The process by which a reactant gains one or more electrons.
  2. The new materials formed in a chemical reaction
  3. A reaction between an acid and a base
  4. A substance that accepts hydrogen ions
  5. Description of a substance that can behave as either sn acid or a base
  6. Energy The minimum energy in order for a chemical reaction to proceed
Down
  1. Description of a chemical reaction in which there is a net release of energy
  2. A polyatomic ion made by adding a proton(hydrogen ion) to a water molecule.
  3. The process by which a reactant loses one or more electrons.
  4. A substance that donates hydrogen ions.

10 Clues: A reaction between an acid and a base • A substance that accepts hydrogen ions • A substance that donates hydrogen ions. • The new materials formed in a chemical reaction • The process by which a reactant gains one or more electrons. • The process by which a reactant loses one or more electrons. • Energy The minimum energy in order for a chemical reaction to proceed • ...

huwhwuwa 2020-05-20

huwhwuwa crossword puzzle
Across
  1. reaction is a chemical reaction that releases energy through light or heat.
  2. is examining materials by separating them into their components
  3. horizontal row of the periodic table.
  4. five non-metallic elements found in group 17 of the periodic table.
Down
  1. reaction or process accompanied by or requiring the absorption of heat.
  2. the vertical columns on the periodic table
  3. the branch of science that explores the chemical processes within and related to living organisms.
  4. a substance that an enzyme acts on to produce a chemical reaction
  5. this group is also known as the oxygen family.
  6. is an atom or molecule that has a net electrical charge

10 Clues: horizontal row of the periodic table. • the vertical columns on the periodic table • this group is also known as the oxygen family. • is an atom or molecule that has a net electrical charge • is examining materials by separating them into their components • a substance that an enzyme acts on to produce a chemical reaction • ...

Chapter 8 Reactions 2014-02-10

Chapter 8 Reactions crossword puzzle
Across
  1. combustion reactions are...
  2. a special kind of double displacement reaction that takes place when an ___ and base react with each other.
  3. substances created in chemical reactions are known as...
  4. decomposition reactions have only ___ reactant.
  5. the burning of ___ is an example of combustion.
  6. happens when oxygen combines with another compound to form water and carbon dioxide.
Down
  1. when a single compound breaks down to make simpler ones.
  2. in a chemical reaction the original substances, which can be elements or compounds, are known as...
  3. a __ reaction is the process by which one or more substances change to produce one or more different substances.
  4. an example of a decomposition reaction is ___ toothpaste.

10 Clues: combustion reactions are... • decomposition reactions have only ___ reactant. • the burning of ___ is an example of combustion. • when a single compound breaks down to make simpler ones. • substances created in chemical reactions are known as... • an example of a decomposition reaction is ___ toothpaste. • ...

Sand Bomb Review 2015-04-21

Sand Bomb Review crossword puzzle
Across
  1. What are the elements that are change to create something new called?
  2. soda Vinegar and _________ are the two reactors in the experiment.
  3. What variable is the vinegar
Down
  1. What is made out of the result of the chemical reaction
  2. goggles What should Billy put on before starting his experiment which uses chemicals?
  3. What kind of changes give us evidence that a reaction has occurred?
  4. amount of baking soda is what variable
  5. An ________ splits to form new molecules in a chemical reaction
  6. Which variable is what we look for as a result of the manipulated and constant variables?
  7. What type of chemical reaction is A + B= Ab

10 Clues: What variable is the vinegar • amount of baking soda is what variable • What type of chemical reaction is A + B= Ab • What is made out of the result of the chemical reaction • An ________ splits to form new molecules in a chemical reaction • soda Vinegar and _________ are the two reactors in the experiment. • ...

Industrial uses of redox reactions 2022-12-07

Industrial uses of redox reactions crossword puzzle
Across
  1. 3C2H5OH+2K2Cr2O7+8H2SO4----> 2Cr2(SO4)3+3CH3COOH+2K2SO4+11H2O
  2. it is the chemical reaction through which plant cells make food
  3. it is the reaction that takes place with oxygen
  4. it is the chemical reaction that occurs in cells
Down
  1. a process that employs an electrical signal provided by an external power source to reduce cations of a desired metal in solution and produce a metallic coating
  2. it is the reaction that causes a change in colour of clothes
  3. the process of rotting/decay
  4. you need it when your sick
  5. 2AgBr----> 2Ag+Br2
  6. a natural phenomenon of conversion of metal into a more stable chemical oxide.

10 Clues: 2AgBr----> 2Ag+Br2 • you need it when your sick • the process of rotting/decay • it is the reaction that takes place with oxygen • it is the chemical reaction that occurs in cells • it is the reaction that causes a change in colour of clothes • 3C2H5OH+2K2Cr2O7+8H2SO4----> 2Cr2(SO4)3+3CH3COOH+2K2SO4+11H2O • ...

Chemistry 2 2024-03-11

Chemistry 2 crossword puzzle
Across
  1. This type of reaction is easy to reverse.
  2. Stays the same during a chemical reaction.
  3. When two or more elements or compounds are together but not chemically combined.
  4. Sometimes called a particle, the smallest thing something is made from.
  5. A list of all the elements arranged in a specific way.
  6. The type of reaction when something new is made and it's difficult to reverse.
  7. When we write the chemical reaction with an arrow showing what reacts and what is made.
Down
  1. Made of only one type of atom.
  2. Two or more elements chemically combined.
  3. Letters on the periodic table for the different elements.

10 Clues: Made of only one type of atom. • This type of reaction is easy to reverse. • Two or more elements chemically combined. • Stays the same during a chemical reaction. • A list of all the elements arranged in a specific way. • Letters on the periodic table for the different elements. • Sometimes called a particle, the smallest thing something is made from. • ...

GCSE Enzymes 2018-01-20

GCSE Enzymes crossword puzzle
Across
  1. New substances made in the chemical reaction.
  2. An enzyme found in living cells that breaks down hydrogenperoxide.
  3. A substance that speeds up chemical reactions.
  4. The type of molecule enzymes are made of.
  5. A dangerous chemical produced in living cells.
  6. This happens to enzymes at extreme pH or too high temperatures.
  7. An enzyme produced by salivary glands that breaks down starch.
Down
  1. At higher temperatures, molecules have more ________ energy.
  2. The model used to explain how an enzyme works.
  3. A measure of how acidic or alkaline a solution is.
  4. An alternative name for the reactants in a chemical reaction.
  5. Denatured means that the shape of the ________ _____ has changed.
  6. Enzymes are known as ___________ catalysts.
  7. The temperature of pH that an enzyme works best at is called the ?

14 Clues: The type of molecule enzymes are made of. • Enzymes are known as ___________ catalysts. • New substances made in the chemical reaction. • The model used to explain how an enzyme works. • A substance that speeds up chemical reactions. • A dangerous chemical produced in living cells. • A measure of how acidic or alkaline a solution is. • ...

Photosynthesis and Cellular Respiration 2021-11-19

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. the only process with FADH2 as one of its products
  2. An organism that can not make its own food
  3. dead battery
  4. the "outputs" of a chemical reaction located on the right side of a chemical equation
  5. the start of everything
  6. cellular organelle where cellular respiration occurs
  7. A green pigment found in the chloroplasts of plants, algae, and some bacteria
Down
  1. the "input" of a chemical reaction. Located on the left side of a chemical equation
  2. carries water and minerals through a plant
  3. The process by which cell captures energy in sunlight and used it to make food
  4. you end up with this at the end of the glycolysis process
  5. The process that breaks down glucose
  6. An organism that makes it's own food
  7. charged battery

14 Clues: dead battery • charged battery • the start of everything • The process that breaks down glucose • An organism that makes it's own food • carries water and minerals through a plant • An organism that can not make its own food • the only process with FADH2 as one of its products • cellular organelle where cellular respiration occurs • ...

Ocoee High Plant Crossword 2021-04-14

Ocoee High Plant Crossword crossword puzzle
Across
  1. Contains the eggs
  2. Chemical currency produced during cellular respiration
  3. Organism that makes it own food
  4. Vascular tissue that moves water
  5. Scientific name for sugar produced during photosynthesi
  6. Contains the pollen
  7. Female part of Flower
  8. Waxy layer on leaf surface
  9. C(6)H(12)O(6)
  10. Tissue responsible for Primary plant growth (i.e length)
  11. Male gametes of flower
  12. USed by cells to make ATP for energy
  13. Sticky surface atop pistil that catches pollen
  14. Holds the Anther Aloft
  15. Tissue used for transport
Down
  1. Respiration without Oxygen
  2. Connects Stigma to Ovary
  3. Opening in leaf surface for gas exchange
  4. THese are required to start a chemical reaction
  5. Process used by plants to make food
  6. Respiration with oxygen
  7. These are produced after a chemical reaction
  8. Tissue that makes new xylem and phloem and causes widening of plants (i.e secondary growth)
  9. ---- Hairs increase the surface area for water absorption
  10. Deactivated form of ATP
  11. Tissue that stores food
  12. Vascular tissue that moves sugars
  13. Tissue that interacts with environment such as
  14. Chemical that absorbs light energy for photosynthesis
  15. Male part of the Flower

30 Clues: C(6)H(12)O(6) • Contains the eggs • Contains the pollen • Female part of Flower • Male gametes of flower • Holds the Anther Aloft • Respiration with oxygen • Deactivated form of ATP • Tissue that stores food • Male part of the Flower • Connects Stigma to Ovary • Tissue used for transport • Respiration without Oxygen • Waxy layer on leaf surface • Organism that makes it own food • ...

Vocabulary Quiz 2024-10-25

Vocabulary Quiz crossword puzzle
Across
  1. This blood vessel carries blood to the heart
  2. The first step in breaking down glucose to make energy
  3. The end result of a chemical reaction
  4. The overall balance and stability in an organism’s internal conditions
  5. A variable that is changed in an experiment
  6. A molecule that stores energy for cellular functions
  7. An organ that produces insulin
  8. A feedback mechanism that counteracts a change in a system
  9. A process for breaking down food in the absence of oxygen
  10. A biological process that happens without oxygen
Down
  1. The process of breaking down glucose to produce ATP in the presence of oxygen
  2. The variable that changes because of the independent variable
  3. This describes energy stored in chemical bonds
  4. A guess made before conducting an experiment
  5. The substance that insulin helps regulate
  6. Substances that enter a chemical reaction
  7. loop A feedback system that helps the body maintain stable conditions
  8. review A process where experiments are checked by others in the same field
  9. A blood vessel that carries oxygenated blood away from the heart
  10. A blue chemical that changes color in the presence of carbon dioxide
  11. A waste product of anaerobic respiration that causes muscle fatigue

21 Clues: An organ that produces insulin • The end result of a chemical reaction • The substance that insulin helps regulate • Substances that enter a chemical reaction • A variable that is changed in an experiment • This blood vessel carries blood to the heart • A guess made before conducting an experiment • This describes energy stored in chemical bonds • ...

Chapter 4 Crossword #3 2021-09-20

Chapter 4 Crossword #3 crossword puzzle
Across
  1. describes the pathway that requires a net energy input to synthesize complex molecules from simpler ones
  2. describes a chemical reaction that results in products with less chemical potential energy than the reactants, plus the release of free energy
  3. (also, adenosine triphosphate) the cell’s energy currency
  4. describes a chemical reaction that results in products that store more chemical potential energy than the reactants
  5. describes the pathway in which complex molecules are broken down into simpler ones, yielding energy as an additional product of the reaction
  6. all the chemical reactions that take place inside cells, including those that use energy and those that release energy
Down
  1. a molecule on which the enzyme acts
  2. the concept of energy flow through living systems
  3. a molecule that catalyzes a biochemical reaction
  4. the movement of hydrogen ions down their electrochemical gradient across a membrane through ATP synthase to generate ATP

10 Clues: a molecule on which the enzyme acts • a molecule that catalyzes a biochemical reaction • the concept of energy flow through living systems • (also, adenosine triphosphate) the cell’s energy currency • describes the pathway that requires a net energy input to synthesize complex molecules from simpler ones • ...

Chemical and Physical Change 2021-02-09

Chemical and Physical Change crossword puzzle
Across
  1. cutting a piece of paper is a_______ reaction.
  2. a chemical reaction that causes temperature to decrease.
  3. when ice becomes water, it turns to______
Down
  1. this solid can form in a liquid during a_______Reaction
  2. a chemical reaction that causes temperature to increase.
  3. when water boils it turns to_____
  4. a physical reaction that causes water to turn to ice. We call this a________
  5. a______ reaction that can affect color or temperature is.

8 Clues: when water boils it turns to_____ • when ice becomes water, it turns to______ • cutting a piece of paper is a_______ reaction. • this solid can form in a liquid during a_______Reaction • a chemical reaction that causes temperature to increase. • a chemical reaction that causes temperature to decrease. • a______ reaction that can affect color or temperature is. • ...

Bio Ch 2 Chemistry of Living Things 2023-09-28

Bio Ch 2 Chemistry of Living Things crossword puzzle
Across
  1. are what make up DNA (A T G C)
  2. changes change the form of a substance but never its formula
  3. compounds share electrons
  4. is the measure of the speed of moving particles
  5. are the smallest part of an ionic compound
  6. are the smallest part of a covalent compound
  7. are made up of hundreds or thousands of smaller units called amino acids
  8. are the chemicals that are on the right of a chemical equation
  9. are the chemicals that are on the left of a chemical equation
  10. reactions feel cold because they pull energy out of whatever they are near to
  11. changes produce a whole new substance or chemical
  12. are the smallest part of an element
  13. motion is caused by the collisions between particles
  14. always make ionic compounds
  15. help a chemical reaction to happen by lowering the activation energy it takes to begin a chemical reaction.
Down
  1. reactions feel hot because they put out a lot of energy
  2. attraction is the reason ionic compounds stick together
  3. _______, such as animals, can’t make their own energy
  4. include substances like fats and oils
  5. is the tendency of energy to spread out
  6. can be recognized by the fact that their chemical formula begins with H (hydrogen)
  7. Because water is ________, they have a lot of attraction one from anoter
  8. compounds transfer (give/take)
  9. is NOT an element as it is made of iron and carbon.
  10. are the structure that ionic compounds are made from
  11. is the study of matter and the changes in matter
  12. bond to make covalent compounds
  13. can be recognized in that their chemical formulas end with OH (hydroxide)

28 Clues: compounds share electrons • always make ionic compounds • are what make up DNA (A T G C) • compounds transfer (give/take) • bond to make covalent compounds • are the smallest part of an element • include substances like fats and oils • is the tendency of energy to spread out • are the smallest part of an ionic compound • are the smallest part of a covalent compound • ...

Energy Flow 2022-10-27

Energy Flow crossword puzzle
Across
  1. overall process by which sunlight, water and carbon dioxide are chemically converted into chemical energy stored in glucose
  2. proteins that speed up biochemical reactions by lowering the activation energy
  3. substances that are changed during a chemical reaction (ingredients)
  4. pigment that captures sunlight
  5. pancake like stakes of thylakoid membranes
  6. releases energy (ends with less energy than you started with)
  7. fluid-like substance that fills the space between the grana
  8. absorbs energy (end with you more energy that you started with)
Down
  1. process of an organism making its own food using chemicals instead of sunlight
  2. chemical reactions within each cell of an organism
  3. the breaking and forming of bonds between different substances during chemical changes
  4. substances that are made by a chemical reaction
  5. energy carrying molecule that carries/stores energy for cell functions
  6. enzymes active site get deformed and loses its specific shape

14 Clues: pigment that captures sunlight • pancake like stakes of thylakoid membranes • substances that are made by a chemical reaction • chemical reactions within each cell of an organism • fluid-like substance that fills the space between the grana • releases energy (ends with less energy than you started with) • enzymes active site get deformed and loses its specific shape • ...

Crossword Balancing Equation 2024-11-13

Crossword Balancing Equation crossword puzzle
Across
  1. The Law of___________ states that mass is never destroyed or created.
  2. The process of when a liquid turns into a soild ______.
  3. When the chemical equation is not balanced what is it.
  4. A number that's in front of an element or a compound.
  5. In which part of the chemical equation is the "yield".
  6. Changing from one state of matter to another is a ______ change.
Down
  1. What is the term used for the elements and compounds before a chemical reaction takes place?
  2. What changes its form.
  3. Is this chemical equation balanced or unbalanced. C6H12O2 + 8O2 > 6CO2 +6H20
  4. Matter is anything that has mass and takes up _______.
  5. The French chemist that experimented on a fruit, by leaving it in a jar and letting it rot.
  6. Products are on the ____.
  7. What is the term used for the elements and compounds after a chemical reaction takes place?
  8. Reactants are on the ___.

14 Clues: What changes its form. • Products are on the ____. • Reactants are on the ___. • A number that's in front of an element or a compound. • Matter is anything that has mass and takes up _______. • When the chemical equation is not balanced what is it. • In which part of the chemical equation is the "yield". • The process of when a liquid turns into a soild ______. • ...

Physical Science Vocabulary 2025-10-21

Physical Science Vocabulary crossword puzzle
Across
  1. The ability to be attracted to a magnet
  2. The temperature at which a substance changes state from a liquid to a gas
  3. Anything that has mass and takes up space
  4. The substance that is formed as a result of a chemical reaction
  5. A change in matter in size, shape, or state that does not change the type of matter
Down
  1. A reaction that occurs as two or more substances are combined to form a new substance
  2. The temperature at which a substance changes from a liquid to a solid
  3. The maximum amount of a substance that can be dissolved in another substance
  4. A physical law that states that matter is not created or destroyed during a chemical reaction
  5. The ability of a material to transfer heat or electricity
  6. An original substance at the beginning of a chemical reaction
  7. A physical combination of two or more substances that are blended together without forming a new substance

12 Clues: The ability to be attracted to a magnet • Anything that has mass and takes up space • The ability of a material to transfer heat or electricity • An original substance at the beginning of a chemical reaction • The substance that is formed as a result of a chemical reaction • The temperature at which a substance changes from a liquid to a solid • ...

Physical Science Crossword 2014-05-22

Physical Science Crossword crossword puzzle
Across
  1. the amount of matter in an object
  2. the amount of force exerted per unit of area.
  3. a substance that stops or slows down the flow of thermal energy or electricity.
  4. a chemical reaction that uses more energy than it gives off.
  5. a chemical reaction that gives off more energy than it uses.
  6. a column in the the periodic table.
  7. any matter that flows when force is applied.
  8. a substance that allows electricity or thermal energy to flow easily.
Down
  1. the strongest known force in the universe, the force that holds the protons together in the nucleus.
  2. a compound that creates hydroxide ions when dissolved in water.
  3. the sum of all forces acting on an object.
  4. a measure of the pulling force of gravity.
  5. a measure of the concentration of hydronium ions in a solution.
  6. the new substance made in a chemical reaction.
  7. a mixture of two or more substances that are homogeneous at the molecular level.

15 Clues: the amount of matter in an object • a column in the the periodic table. • the sum of all forces acting on an object. • a measure of the pulling force of gravity. • any matter that flows when force is applied. • the amount of force exerted per unit of area. • the new substance made in a chemical reaction. • a chemical reaction that uses more energy than it gives off. • ...

PSB 338 Ch 13 Introduction to Metabolism 2022-06-28

PSB 338 Ch 13 Introduction to Metabolism crossword puzzle
Across
  1. This variable describes the rate of metabolic flow in the steady-state of a cell.
  2. This thermodynamic variable is the quantitative expression for the randomness or disorder in a system.
  3. The first law of thermodynamics is the principle of the conservation of ______.
  4. This type of cleavage of a covalent bond where one atom retains both bonding electrons.
  5. This designates a single electron equivalent participating in an oxidation-reduction reaction; reducing _______.
  6. These type of molecules can influence enzyme activity are nuclear proteins that can activate or repress gene expression; ________ factors.
  7. These type of molecules can affect enzyme activity by binding to an enzyme outside of the enzyme active site; ______ effectors.
  8. A _____ standard reduction potential indicates the molecule will take electrons.
  9. This process of metabolism is the degradative phase of metabolism, which releases energy.
  10. This type of reacting molecules are electron-deficient functional groups that seek electrons.
  11. This class of enzyme catalyzes oxidation-reduction reactions in with NAD+ is the electron acceptor.
  12. This type of chemical reaction results in a transfer of adenylate as an adenyl group.
  13. These organisms obtain their carbon from their environment and produce CO2.
  14. True or False: Electrons can move from metabolic intermediates to electron carriers to acceptors with higher electron affinities releases energy.
Down
  1. This type of chemical reaction is a redistribution of electrons in alterations without changes in the overall oxidation state of the molecule.
  2. This is the force proportional to the difference in electron affinity between chemical species (use acronym).
  3. This type of chemical reaction releases free energy.
  4. This class of enzymes catalyzes the condensation reactions that require a nucleotide triphosphate.
  5. This method can affect enzyme activity by keeping the enzyme and substrates in different compartments to alter enzyme activity.
  6. This thermodynamic variable is related to the number and kinds of chemical bonds in the reactants and products.
  7. An oxidation reaction results in a _____ of electrons.
  8. True or False: Enzymes can only be regulated by one method.
  9. Thermodynamically unfavorable reactions can be ______ to favorable reactions to drive them in the forward reaction.
  10. This type of reacting molecules are functional groups rich in and capable of donating electrons.
  11. The _____ conversion of ATP to ADP to Pi is coupled to many endergonic reactions and processes.
  12. This class of enzymes catalyzes the removal of a phosphoryl group from a phosphate ester.
  13. This class of enzyme that catalyzes phosphoryl group transfers with ATP as a donor.
  14. This molecule is a most sensitive indicator of the energy state of the cell.
  15. This type of coenzymes are usually enzyme-bound to flavoproteins.
  16. The difference in free energy between reactant and products is greater for ________ than oxygen esters.

30 Clues: This type of chemical reaction releases free energy. • An oxidation reaction results in a _____ of electrons. • True or False: Enzymes can only be regulated by one method. • This type of coenzymes are usually enzyme-bound to flavoproteins. • These organisms obtain their carbon from their environment and produce CO2. • ...

Unit 7 vocab 2024-01-16

Unit 7 vocab crossword puzzle
Across
  1. When anything solid turns into a gas without first becoming liquid
  2. the amount of energy stored in a bond between atoms in a molecule
  3. the process of measuring the amount of heat released or absorbed during a chemical reaction
  4. the formula that an algorithm feeds data to in order to calculate predictions
  5. the measure of hotness or coldness expressed in terms of any of several scales, including Fahrenheit and Celsius
  6. the heat which can increase one unit temperature of a mass unit of a substance
  7. the quality of being hot; high temperature.
  8. the amount of heat needed to turn 1g of a liquid into a vapor, without a rise in the temperature of the liquid
  9. the change in enthalpy when one mole of a substance in the standard state
  10. the act or process of melting or making fluid by heat
  11. The condition under which two substances in physical contact with each other exchange no heat energy
  12. a very simplified representation of the valence shell electrons in a molecule
  13. the sum of the internal energy and the product of the pressure and volume of a thermodynamic system
  14. the difference between the reaction system energy before and after a reaction
  15. everything that is not directly involved in the reaction.
  16. the values which depend on the state of the substance
  17. chemical reactions in which the reactants absorb heat energy from the surroundings to form products
  18. thermal energy transferred between two systems at different temperatures that come in contact
  19. a collection of objects (or smaller systems) that can be identified
  20. The average of kinetic energy of all the molecules present that matter
Down
  1. the process where water vapor becomes liquid
  2. an equation that takes two or more steps to solve
  3. the quantity of heat necessary to change 1 g of a solid to a liquid with no temperature change
  4. used to measure the amount of thermal energy transferred in a chemical or physical process
  5. the release of heat
  6. chemical reactions in which the reactants absorb heat energy from the surroundings to form products
  7. Heating curves show how the temperature changes as a substance is heated up. Cooling curves are the opposite. They show how the temperature changes as a substance is cooled down
  8. the process in which a gas changes directly to a solid without going through the liquid state
  9. the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions
  10. n a chemical reaction, the change of enthalpy (i.e. the heat of reaction under constant pressure) is independent of the direction between the original and final states

30 Clues: the release of heat • the quality of being hot; high temperature. • the process where water vapor becomes liquid • an equation that takes two or more steps to solve • the act or process of melting or making fluid by heat • the values which depend on the state of the substance • everything that is not directly involved in the reaction. • ...

Chemistry Unit Review 2016-02-10

Chemistry Unit Review crossword puzzle
Across
  1. two or more elements
  2. Gauseuas elements
  3. releasing energy
  4. chemical substance
  5. chemical consumed to make a product
  6. amount of mass remains the same
  7. positive charge
  8. horizontal lines
  9. negative charge
  10. typically hard, opaque and shiny
  11. neutral charge
  12. product of a chemical reaction
  13. columns
Down
  1. creator of the periodic table of elements
  2. outer electrons (two words)
  3. a group of atoms
  4. number of electrons in an element
  5. absorbing energy
  6. name of a superheroe
  7. lacks metallic features
  8. has metal and non-metal features
  9. abbreviation for an element
  10. the center
  11. "ring"
  12. thin coating

25 Clues: "ring" • columns • the center • thin coating • neutral charge • positive charge • negative charge • releasing energy • a group of atoms • absorbing energy • horizontal lines • Gauseuas elements • chemical substance • two or more elements • name of a superheroe • lacks metallic features • outer electrons (two words) • abbreviation for an element • product of a chemical reaction • ...

Biology Crossword 2026-03-03

Biology Crossword crossword puzzle
Across
  1. the dynamic interaction where an enzyme's active site changes its shape to perfectly fit a substrate upon binding
  2. fit the dynamic interaction where an enzyme's active site changes its shape to perfectly fit a substrate upon binding
  3. is the sum of all the chemical reactions occurring in that cell
  4. inhibit the activity of enyzymes
  5. he end result of a reaction catalyzed by enzymes or cellular mechanisms
  6. the process of breaking down large molecules into smaller ones
Down
  1. reaction that absorbs free energy from the surroundings
  2. and key an enzyme's active site (lock) has a rigid, complementary geometric shape that fits exactly with a specific substrate (key)
  3. reaction that has a net release of free energy
  4. substrates that undergo chemical changes, often facilitated by enzymes
  5. the process of making large molecules from smaller ones
  6. energy the minimum amount of energy required to initiate a chemical reaction

12 Clues: inhibit the activity of enyzymes • reaction that has a net release of free energy • reaction that absorbs free energy from the surroundings • the process of making large molecules from smaller ones • the process of breaking down large molecules into smaller ones • is the sum of all the chemical reactions occurring in that cell • ...

Types Of Chemical Reactions 2021-12-11

Types Of Chemical Reactions crossword puzzle
Across
  1. a substance obtained from another substance through chemical change.
  2. reaction a reaction in which two reactants combine to form one product.
  3. a reaction in which one element is substituted for another element in a compound
  4. a representation of a chemical reaction using symbols of the elements to indicate the amount of substance
  5. is a processes in which chemical species break up into simpler parts
Down
  1. a type of chemical reaction where two compounds react, and positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products
  2. a substance that takes part in and undergoes change during a reaction
  3. a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.

8 Clues: a substance obtained from another substance through chemical change. • is a processes in which chemical species break up into simpler parts • a substance that takes part in and undergoes change during a reaction • reaction a reaction in which two reactants combine to form one product. • ...

Chapter 1.1, 1.2 Crossword 2019-09-27

Chapter 1.1, 1.2 Crossword crossword puzzle
Across
  1. Monomer of protein
  2. the energy needed to increase a given amount of a substance by 1 Kelvin
  3. The process of monomers reaction to create a polymer
  4. the electromagnetic attraction between a positively charged hydrogen atom and another negatively charged atom
  5. a fatty acid with only single carbon carbon bonds
  6. a subunit of a molecule
  7. Nucleic Acid Polymer with one more oxygen than its counterpart
  8. The structure in which a substance has the maximum energy state in a chemical reaction
  9. a chemical where electrons are shared between 2 atoms
  10. the breakdown of molecules to obtain energy
Down
  1. all life sustaining chemical reactions in a living being
  2. A polysaccharide found in the exoskeleton of insects
  3. Nucleic Acid Polymer with one less oxygen than its counterpart
  4. a fatty acid with at least 1 double bond between 2 carbon
  5. covalent Bond between two amino acids
  6. a chemical bond where valence electrons are transferred, forming oppositely charged ions
  7. the energy needed to increase 1 gram of a substance by 1 Kelvin
  8. the synthesis of compounds neeeded by cells
  9. the theory that all living beings are made of cells
  10. A polysaccharide that acts as long term glucose storage in animals

20 Clues: Monomer of protein • a subunit of a molecule • covalent Bond between two amino acids • the synthesis of compounds neeeded by cells • the breakdown of molecules to obtain energy • a fatty acid with only single carbon carbon bonds • the theory that all living beings are made of cells • A polysaccharide found in the exoskeleton of insects • ...

Story 2 Crossword 2023-11-23

Story 2 Crossword crossword puzzle
Across
  1. to spread out
  2. humans selecting offspring with favorable traits to reproduce
  3. any pure substance that we know the composition of the particles
  4. particles in mixture evenly mixed
  5. substances present before chemical reaction
  6. smallest particle of matter
  7. anything that has mass and takes up space
  8. atoms are not created or destroyed in chemical reactions
  9. substance composed of all the same molecule
  10. particles in mixture not well mixed so different parts are visible
  11. one or two letters used to represent an element.
Down
  1. sexual reproduction method of plants
  2. particle made of many atoms bonded together
  3. how heavy the nucleus of an atom is
  4. when particles of different substances rearrange creating new substances
  5. substances composed of many different particles
  6. cut and pasting DNA from one organism to another
  7. number of protons in an atom and is used to identify each element
  8. substances composed of only one particle
  9. substance composed of all the same atom
  10. organized chart showing repeating patterns on known elements
  11. shows the type and number of atoms in a molecule
  12. completely copying DNA of one organism to create a copy
  13. substances present after chemical reaction

24 Clues: to spread out • smallest particle of matter • particles in mixture evenly mixed • how heavy the nucleus of an atom is • sexual reproduction method of plants • substance composed of all the same atom • substances composed of only one particle • anything that has mass and takes up space • substances present after chemical reaction • particle made of many atoms bonded together • ...

Intro to Anatomy and Physiology 2015-08-26

Intro to Anatomy and Physiology crossword puzzle
Across
  1. area of knowledge, theory
  2. taking in a chemical through your cells and tissue
  3. between
  4. up, against or back
  5. force being put on an object
  6. transporting oxygen to your cells and tissue
  7. chemical reaction involved in keeping cells alive
  8. cutting
  9. the breakdown of food molecules
  10. nature
Down
  1. relating to nature
  2. the same
  3. a chemical that causes stress
  4. the conversion of absorbed food into the body
  5. before
  6. within
  7. waste products being removed from the body
  8. organs that all do a similar function
  9. after
  10. cells that all do a similar function

20 Clues: after • before • within • nature • between • cutting • the same • relating to nature • up, against or back • area of knowledge, theory • force being put on an object • a chemical that causes stress • the breakdown of food molecules • cells that all do a similar function • organs that all do a similar function • waste products being removed from the body • ...

Matter and Energy Vocab words 2024-10-10

Matter and Energy Vocab words crossword puzzle
Across
  1. Working with chemical
  2. Defined by gravities pull
  3. How much is in
  4. Measurement of heat
  5. A kind of matter with specific properties.
  6. Gas to liquid
  7. Two or more atoms combined
  8. The smallest unit
  9. Not solid or gas
  10. A force
Down
  1. Can be observed with the 5 senses
  2. A pure chemical substance
  3. 1000x more than gram
  4. How much is packed
  5. A grid with the elements
  6. describes how a substance behaves during a chemical reaction
  7. Not solid or liquid
  8. The amount of matter in an object
  9. Not liquid or gas
  10. Anything Eneything thing that exists

20 Clues: A force • Gas to liquid • How much is in • Not solid or gas • Not liquid or gas • The smallest unit • How much is packed • Measurement of heat • Not solid or liquid • 1000x more than gram • Working with chemical • A grid with the elements • Defined by gravities pull • A pure chemical substance • Two or more atoms combined • Can be observed with the 5 senses • The amount of matter in an object • ...

science 2022-05-04

science crossword puzzle
Across
  1. atoms with no chemical bond
  2. atoms with a chemical bond caused by a chemical reaction
  3. atoms of the same type grouped together
  4. 118 elements listed on this graph/chart
  5. a set of chemical symbols representing a compound, mixture, or element
  6. basic building blocks; can be combined to create a substance
Down
  1. an element is one of these
  2. a group of atoms bonded together; smallest unit in a chemical reaction
  3. what occurs to elements and atoms after a chemical reactions
  4. anything that has mass and takes up space

10 Clues: an element is one of these • atoms with no chemical bond • atoms of the same type grouped together • 118 elements listed on this graph/chart • anything that has mass and takes up space • atoms with a chemical bond caused by a chemical reaction • what occurs to elements and atoms after a chemical reactions • basic building blocks; can be combined to create a substance • ...

Changes Around Us 2019-08-28

Changes Around Us crossword puzzle
Across
  1. In a chemical reaction the original substances present
  2. A process where a new substance is formed
  3. Becoming liquefied by heat is called ____________
  4. A process that occurs when iron comes in contact with moist air
Down
  1. A process where the molecules remain the same before and after the reaction
  2. The new substance formed in a chemical reaction
  3. Increase of size is called ______________
  4. A substance that does not undergo any changes in a chemical reaction

8 Clues: Increase of size is called ______________ • A process where a new substance is formed • The new substance formed in a chemical reaction • Becoming liquefied by heat is called ____________ • In a chemical reaction the original substances present • A process that occurs when iron comes in contact with moist air • ...

science 2016-12-14

science crossword puzzle
Across
  1. / A soft, silver-white metal belonging to the alkali metal group of chemical element.
  2. / The element in group 8 and period 4.
  3. / The largest naturally occuring element.
  4. / Charged particle made up of several non metallic atoms joined together.
  5. / Poor conductor of heat.
  6. / The first of the synthetic element.
  7. / ____are used to pick up small object.
  8. / Ability of a substance to conduct heat,sound or electricity.
  9. / Determined without destroying matter.
  10. / an alkaline battery.
  11. /_____for removing and holding a hot beaker.
  12. / The element that has atomic number 32.
  13. / The third most abundant element in the cosmos,after hydrogen and helious.
  14. / an posotively charged ion.
  15. / substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators (e.g., turn red litmus paper blue),
Down
  1. / A change in the physical and chemical properties.
  2. / an element is defined by the nucleon number, which is the sum of the number of protons and the number of neutrons in the atomic nucleus.
  3. / Non-metals in group 17 in the periodic table, fluorine,chlorine, bromine and iodine.
  4. / ____is any chemical element which has properties between those of metal and non-metal.
  5. / The element in group 3 to 12 are referred to as ...
  6. / ____ is pH changes very little when a small amount of strong acid or base is added to it.
  7. / Unreactive with all, but the most corrosive of acids.
  8. / Chemical reaction in which an acid and a bases react quantitatively with each other.
  9. / ....mixture is one that has uniform composition and the same properties throughout the mixture.
  10. / Type of bond formed when electrons transfer between metals and non-metals.
  11. / Chemical combination of two or more elements.
  12. / Compound produced in a neutralization reaction between an acid and a base.
  13. / A substance that cannot be broken down into simpler components by any non-nuclear chemical reaction.
  14. / Positively charged centre of the atom made up of protons and neutrons.
  15. / a subatomic particle with a positive electric charge of +1e.

30 Clues: / an alkaline battery. • / Poor conductor of heat. • / an posotively charged ion. • / The first of the synthetic element. • / The element in group 8 and period 4. • / ____are used to pick up small object. • / Determined without destroying matter. • / The element that has atomic number 32. • / The largest naturally occuring element. • ...

Enzymes Review 2023-11-14

Enzymes Review crossword puzzle
Across
  1. the name of the reactions that join substrates and require energy
  2. enzymes belong to this type of macromolecule.
  3. all enzymes end in these three letters
  4. enzymes lower this energy in order to speed up a chemical reaction
  5. another name for the substrates that enzymes interact with
  6. the type of inhibitor that binds to an enzymes active site
  7. the location on an enzyme where the substrate binds to.
  8. what substrates are turned in to in a chemical reaction
Down
  1. the type of inhibitor that binds to the enzymes allosteric site
  2. the name of the complex formed when a substrate binds to an enzyme
  3. Anything that speeds up a chemical reaction is known as this
  4. the name of the reactant that binds to an enzyme
  5. this is what happens to an enzyme when it is exposed to high heat or pH
  6. the name of the reactions that break down substrates and release energy
  7. this aspect of an enzyme determines its function.

15 Clues: all enzymes end in these three letters • enzymes belong to this type of macromolecule. • the name of the reactant that binds to an enzyme • this aspect of an enzyme determines its function. • the location on an enzyme where the substrate binds to. • what substrates are turned in to in a chemical reaction • another name for the substrates that enzymes interact with • ...

Chemistry final crossword 2020-06-10

Chemistry final crossword crossword puzzle
Across
  1. lighter elements sometimes have too many neutrons
  2. the basic unit of matter
  3. table of chemical elements
  4. send into the air
  5. bang how the universe began
  6. something becomes a liquid by heat
  7. how far something is
  8. how far is it from starting cycle to ending cycle
  9. are dark planet-sized regions that appear on the sun
  10. the substances that combine in a chemical reaction
  11. one of states of matter
  12. when water becomes a solid
  13. a rearrangement of atoms into new substances
  14. able to be changed
Down
  1. anything having mass and taking up space
  2. microwave type of big bang theory
  3. mountain or hill which having lava
  4. spectrum chemical element or chemical compound
  5. one complete performance of a periodic process
  6. type of rocks
  7. atoms of same elements having a different mass
  8. fusion when two or more nuclei together
  9. light from the sun
  10. the relative amount of solute
  11. all atoms with more than 82 protons are radioactive
  12. matter and space as a whole
  13. useable power such as heat or electricity
  14. having a PH of less than 7

28 Clues: type of rocks • send into the air • light from the sun • able to be changed • how far something is • one of states of matter • the basic unit of matter • table of chemical elements • when water becomes a solid • having a PH of less than 7 • bang how the universe began • matter and space as a whole • the relative amount of solute • microwave type of big bang theory • ...

Chemistry Crossword 2014-11-07

Chemistry Crossword crossword puzzle
Across
  1. are substance that help reaction proceed faster
  2. change the results when two or more substance react to create a different substance or substances
  3. a table in which the elements are organized by their physical and chemical property
  4. property that describes the physical appearance and composition of a substance
  5. pure substance formed when at least one metal and non metal combine
  6. new substance produced
  7. change in the appearance or state of a substance that does not change the composition
  8. oxygen reacts with a substance
  9. absorbs energy
  10. mass of one atom of an element
  11. can be broken down into other substance
  12. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated
Down
  1. release energy
  2. substance that react with another substance
  3. description of how substance interacts with other substances
  4. can be seperated
  5. all products of a chemical reaction are accounted for
  6. become electrically charged
  7. most reactive of the metals
  8. group 17 elements in periodic table
  9. two or more pure substance
  10. chemical combination of two or more elements in a specific ratio
  11. number of protons in the nucleus
  12. combination of pure substances
  13. slow chemical change

25 Clues: release energy • absorbs energy • can be seperated • slow chemical change • new substance produced • two or more pure substance • become electrically charged • most reactive of the metals • oxygen reacts with a substance • combination of pure substances • mass of one atom of an element • number of protons in the nucleus • group 17 elements in periodic table • ...

Unit B Science Crossword 2014-11-12

Unit B Science Crossword crossword puzzle
Across
  1. New substance produced
  2. The smallest part of an element
  3. Slow chemical change that occurs when oxygen reacts with a metal
  4. Change of state from a gas to a liquid
  5. Horizontal row of elements on Periodic Table
  6. The release of heat
  7. Change state from gas to solid
  8. Chemical combination of two or more elements in a specific ratio
  9. Substance that reacts with another substance
  10. A cloudy mixture in which the particles can't be easily separated
  11. An organic catalyst
Down
  1. Invisible negatively charged particle that orbits the nucleus
  2. A substance that speeds up a chemical reaction
  3. A physical substance
  4. A material that electric charge can move through easily
  5. Chemical reaction that occurs when oxygen reacts with a substance and gives off energy
  6. Ability of a substance to conduct electricity or heat
  7. The absorption of heat
  8. Workplace Hazardous Materials Information System
  9. Element that has both metallic and non-metallic properties
  10. A pure substance on the Periodic Table
  11. Can be pounded into sheets
  12. When an atom becomes electrically charged from the loss or gain of electrons
  13. Most reactive non-metals
  14. Can be stretched into long wire

25 Clues: The release of heat • An organic catalyst • A physical substance • New substance produced • The absorption of heat • Most reactive non-metals • Can be pounded into sheets • Change state from gas to solid • The smallest part of an element • Can be stretched into long wire • Change of state from a gas to a liquid • A pure substance on the Periodic Table • ...

Types of Chemical Reactions 2024-05-04

Types of Chemical Reactions crossword puzzle
Across
  1. The type of decomposition reaction where electricity is applied to breakdown the reactant
  2. Reactions where heat is released with the formation of products
  3. The process where when fats and oils are oxidised, their smell and taste change
  4. A reaction where a single product is formed from two or more reactants
  5. The reaction where two reacting molecules exchange their ions in aqueous solution
  6. A reaction where a substance gains oxygen or loses hydrogen gas
  7. A reaction where a reactant breaks down to form two or more products
  8. A reaction where a highly reactive metal displaces a less reactive metal from its salt solution
Down
  1. A type of double displacement reaction where an acid and a base react to form salt and water
  2. The type of decomposition reaction where heat is applied to breakdown the reactant
  3. A reaction where a substance loses oxygen or gains hydrogen gas
  4. A type of double displacement reaction where insoluble salts are formed
  5. The type of decomposition reaction where light is applied to breakdown the reactant
  6. The gradual destruction of a metal when exposed to air or moisture
  7. The representation of a chemical reaction
  8. A shining metal that burns with a dazzling white flame
  9. A reaction where both oxidation and reduction reactions occur

17 Clues: The representation of a chemical reaction • A shining metal that burns with a dazzling white flame • A reaction where both oxidation and reduction reactions occur • A reaction where a substance loses oxygen or gains hydrogen gas • Reactions where heat is released with the formation of products • A reaction where a substance gains oxygen or loses hydrogen gas • ...

Chemical Equations Gizmo Page 1 and 2 2022-05-03

Chemical Equations Gizmo Page 1 and 2 crossword puzzle
Across
  1. this means "before"
  2. are put into the text box of the gizmo for each reaction
  3. the substance or substances that are the result of chemical reactions
  4. this law of matter states no atoms are created or destroyed in a chemical reaction
Down
  1. this is an app used for online activities
  2. the substance or substances that react in a chemical reaction
  3. chemical _____ - burning is an example of this
  4. the small number 2 in H2 is called

8 Clues: this means "before" • the small number 2 in H2 is called • this is an app used for online activities • chemical _____ - burning is an example of this • are put into the text box of the gizmo for each reaction • the substance or substances that react in a chemical reaction • the substance or substances that are the result of chemical reactions • ...

chemical reactions :| 2024-11-08

chemical reactions :| crossword puzzle
Across
  1. written on the left side of a chemical equation
  2. a chemical change, can take the form of fizzing
  3. solid material coming from liquid substance
  4. the most basic unit of matter
  5. a reaction where energy is being released
  6. written on the right side of a chemical equation
Down
  1. a substance that's made up of atoms + can't be broken down into simpler substances during a normal chemical reaction
  2. a reaction where energy is being absorbed
  3. when chemicals combine to form new ones

9 Clues: the most basic unit of matter • when chemicals combine to form new ones • a reaction where energy is being absorbed • a reaction where energy is being released • solid material coming from liquid substance • written on the left side of a chemical equation • a chemical change, can take the form of fizzing • written on the right side of a chemical equation • ...

Unit 6 2024-04-11

Unit 6 crossword puzzle
Across
  1. The chemical substances which are formed due to a chemical reaction between two or more chemical substances
  2. the reaction between an acid and a base, which produces a salt and water.
  3. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  4. the appearance or form of the matter changes but the kind of matter in the substance does not.
  5. a substance that can accept hydrogen ions in water and can neutralize an acid
Down
  1. a small number written at the bottom of the symbol
  2. the kind of matter changes and at least one new substance with new properties is formed
  3. a substance that takes part in and undergoes change during a reaction.
  4. A chemical that gives off hydrogen ions in water and forms salts by combining with certain metals
  5. a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid and higher values more alkaline

10 Clues: a small number written at the bottom of the symbol • a substance that takes part in and undergoes change during a reaction. • the reaction between an acid and a base, which produces a salt and water. • a substance that can accept hydrogen ions in water and can neutralize an acid • ...

Topic 5: Enzymes 2022-04-05

Topic 5: Enzymes crossword puzzle
Across
  1. biological catalyst
  2. how enzyme behave at low temperature
  3. Protein becoming amino acids
  4. sites where substrates bind
  5. when enzyme binds to the substrate
  6. substance that speed up chemical reaction
Down
  1. some enzyme only act on some substances
  2. Enzyme no longer fit with substrate
  3. reactions that can proceed in forward or backward direction
  4. ideal condition
  5. energy required before starting a chemical reaction
  6. -and-key hypothesis

12 Clues: ideal condition • biological catalyst • -and-key hypothesis • sites where substrates bind • Protein becoming amino acids • when enzyme binds to the substrate • Enzyme no longer fit with substrate • how enzyme behave at low temperature • some enzyme only act on some substances • substance that speed up chemical reaction • energy required before starting a chemical reaction • ...

Topic 5: Enzymes 2022-04-05

Topic 5: Enzymes crossword puzzle
Across
  1. biological catalyst
  2. how enzyme behave at low temperature
  3. Protein becoming amino acids
  4. sites where substrates bind
  5. when enzyme binds to the substrate
  6. substance that speed up chemical reaction
Down
  1. some enzyme only act on some substances
  2. Enzyme no longer fit with substrate
  3. reactions that can proceed in forward or backward direction
  4. ideal condition
  5. energy required before starting a chemical reaction
  6. -and-key hypothesis

12 Clues: ideal condition • biological catalyst • -and-key hypothesis • sites where substrates bind • Protein becoming amino acids • when enzyme binds to the substrate • Enzyme no longer fit with substrate • how enzyme behave at low temperature • some enzyme only act on some substances • substance that speed up chemical reaction • energy required before starting a chemical reaction • ...

Chapter 13 2017-02-27

Chapter 13 crossword puzzle
Across
  1. a burning candle is an example of ____
  2. in an _____ reaction there is a net absorption of energy
  3. water has a pH of___
  4. AB+C -> AC+B is an example of ___
  5. the solution is "acidic"
  6. is a chemical that accepts a hydrogen ion
Down
  1. is a chemical that donates a hydrogen
  2. AB+CD -> AD+CB is an example of ____
  3. the minimum energy required to break the bonds is called the
  4. in a ______ reaction there is a net release of energy
  5. AB-> A+B is an example of _____
  6. the solution is "basic"
  7. a sunstance that lowers the activation energy of a chemical reation
  8. is a measure of the comcentration of hydronium ions
  9. A+B -> AB is an example of ____

15 Clues: water has a pH of___ • the solution is "basic" • the solution is "acidic" • AB-> A+B is an example of _____ • A+B -> AB is an example of ____ • AB+C -> AC+B is an example of ___ • AB+CD -> AD+CB is an example of ____ • is a chemical that donates a hydrogen • a burning candle is an example of ____ • is a chemical that accepts a hydrogen ion • ...

Biology vocab 2022-09-19

Biology vocab crossword puzzle
Across
  1. substance that releases HYDROGEN ions when dissolved in water. PH level LESS than 7
  2. what holds atoms together in molecules
  3. substance that releases HYDROXIDE ions when dissolved in water. PH GREATER than 7
  4. type of chemical bond formed when atoms SHARE ELECTRONS
  5. organic compound containg carbon, hydrogen, and oxygen, in a ratio of one oxygen oxygen and 2 hydrogen atoms for each carbon atom
  6. weak electrostatic bond formed by attraction of opposite charges between a HYDROGEN AND OXYGEN ATOM
  7. specific places where a substrate binds on an enzyme
  8. mixture that can react with a base or an acid to maintain the PH within a specific range
  9. carbon compound joined by peptide bonds; builing blocks of protiens
  10. energy minimum amount of energy needed fir reactions to form products in a chemical reaction.
Down
  1. PURE SUBSTANCE with unique properties; formed when 2 OR MORE DIFFERENT ELEMENTS COMBINE
  2. substance that speeds a chemical reaction by reducing the activation energy
  3. energy requiring process by which atoms or groups of atoms in substances are changed into different substances
  4. atom that is negatively or positively charged because it has lost or gained an electron
  5. the action or property of molecules sticking togther; mutally attractive
  6. protein that speeds up a biological reaction by lowering the activation energy needed to start the reaction

16 Clues: what holds atoms together in molecules • specific places where a substrate binds on an enzyme • type of chemical bond formed when atoms SHARE ELECTRONS • carbon compound joined by peptide bonds; builing blocks of protiens • the action or property of molecules sticking togther; mutally attractive • ...

Topic 5: Enzymes 2022-03-22

Topic 5: Enzymes crossword puzzle
Across
  1. biological catalyst
  2. how enzyme behave at low temperature
  3. Protein becoming amino acids
  4. sites where substrates bind
  5. when enzyme binds to the substrate
  6. substance that speed up chemical reaction
Down
  1. some enzyme only act on some substances
  2. Enzyme no longer fit with substrate
  3. reactions that can proceed in forward or backward direction
  4. ideal condition
  5. energy required before starting a chemical reaction
  6. -and-key hypothesis

12 Clues: ideal condition • biological catalyst • -and-key hypothesis • sites where substrates bind • Protein becoming amino acids • when enzyme binds to the substrate • Enzyme no longer fit with substrate • how enzyme behave at low temperature • some enzyme only act on some substances • substance that speed up chemical reaction • energy required before starting a chemical reaction • ...

Topic 5: Enzymes 2022-03-22

Topic 5: Enzymes crossword puzzle
Across
  1. biological catalyst
  2. how enzyme behave at low temperature
  3. Protein becoming amino acids
  4. sites where substrates bind
  5. when enzyme binds to the substrate
  6. substance that speed up chemical reaction
Down
  1. some enzyme only act on some substances
  2. Enzyme no longer fit with substrate
  3. reactions that can proceed in forward or backward direction
  4. ideal condition
  5. energy required before starting a chemical reaction
  6. -and-key hypothesis

12 Clues: ideal condition • biological catalyst • -and-key hypothesis • sites where substrates bind • Protein becoming amino acids • when enzyme binds to the substrate • Enzyme no longer fit with substrate • how enzyme behave at low temperature • some enzyme only act on some substances • substance that speed up chemical reaction • energy required before starting a chemical reaction • ...

Chemistry Bonus Crossword 2023-04-25

Chemistry Bonus Crossword crossword puzzle
Across
  1. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
  2. a statement that the product of the pressure and volume of one mole of a gas equals the product of the gas constant by the absolute temperature
  3. the basic unit of a chemical element.
  4. bonds type of linkage formed from the electrostatic attraction between oppositely charged ions
  5. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
  6. solution An aqueous solution is a solution in which the solvent is water
  7. able to be dissolved, especially in water.
  8. an ion with positive charge
  9. cause to change in form, character, or function.
  10. the production of chemical compounds by reaction from simpler materials.
Down
  1. the process by which a liquid turns into a gas
  2. affect a reduction in the effective nuclear charge on the electron cloud,
  3. a standard scientific unit for measuring large quantities of very small entities such as atom
  4. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
  5. a number in positional notation are digits in the number that are reliable and necessary to indicate the quantity of something.
  6. neutral subatomic particle that, in conjunction with protons, makes up the nucleus of every atom except ordinary hydrogen
  7. gasses any of the gaseous elements helium, neon, argon, krypton, xenon, and radon, occupying Group 0 (18) of the periodic table. They were long believed to be totally unreactive but compounds of xenon, krypton, and radon are now known.
  8. the tendency of an atom to attract electrons in a molecule
  9. neutral subatomic particle that, in conjunction with protons, makes up the nucleus of every atom except ordinary hydrogen
  10. table the organized array of all the chemical elements in order of increasing atomic number

20 Clues: an ion with positive charge • the basic unit of a chemical element. • able to be dissolved, especially in water. • the process by which a liquid turns into a gas • cause to change in form, character, or function. • the tendency of an atom to attract electrons in a molecule • solution An aqueous solution is a solution in which the solvent is water • ...

Chemical Reactions By Ravit 10T 2024-04-30

Chemical Reactions By Ravit 10T crossword puzzle
Across
  1. reddish brown oxide
  2. passing electric current to cause chemical change.
  3. insoluble particle like substances
  4. absorbing heat from surroundings
  5. splitting a substance into two or more substances
  6. a substance that takes part in a reaction
  7. a reaction where two or more substances combine
Down
  1. an atom or compound gaining electrons in a reaction
  2. atom or group of atoms is replaced by another group or atom.
  3. reaction of an acid and base
  4. oxidation of oils and fats in food
  5. a substance formed from a reaction
  6. when a metal surface is attacked by air or water
  7. Reduction and oxidation take place simultaneously.
  8. losing electrons from reactant to product

15 Clues: reddish brown oxide • reaction of an acid and base • absorbing heat from surroundings • oxidation of oils and fats in food • a substance formed from a reaction • insoluble particle like substances • losing electrons from reactant to product • a substance that takes part in a reaction • a reaction where two or more substances combine • ...

Types of Chemical Reactions 2024-05-20

Types of Chemical Reactions crossword puzzle
Across
  1. A reaction where a more complex molecule breaks down to form two or more simpler products
  2. containing water/watery
  3. Common Name of Calcium Oxide
  4. It combines with Hydrogen and loses oxygen to form another substance
  5. The number and kinds of atoms must be the same on both sides of the reaction arrow.
  6. When fats and oils stay in open for long, they get oxidized and their smell and taste change.
  7. When a more reactive element displaces a less reactive element from a compound
  8. It is a natural process that converts a refined metal into a more chemically stable oxide.
  9. Occurs when chemical bonds between atoms are formed or broken
Down
  1. The mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.
  2. The reaction in which two reacting molecules exchange their ions in aqueous solution is double displacement.
  3. Common Name of Calcium Hydroxide
  4. A chemical reaction that takes place between an oxidizing substance and a reducing substance
  5. Formation of a single product from two or more reactants
  6. It combines with oxygen and loses hydrogen to form another substance

15 Clues: containing water/watery • Common Name of Calcium Oxide • Common Name of Calcium Hydroxide • Formation of a single product from two or more reactants • Occurs when chemical bonds between atoms are formed or broken • It combines with Hydrogen and loses oxygen to form another substance • It combines with oxygen and loses hydrogen to form another substance • ...

Physical and Chemical Changes 2018-09-03

Physical and Chemical Changes crossword puzzle
Across
  1. a physical property that does not depend on the amount of matter present
  2. change chemical reaction that takes place when two or more substances interact to form a new substance or substances.
  3. change change that does not alter the chemical properties of a substance.
  4. materials that enter into a chemical reaction.
Down
  1. materials that form as the result of a chemical reaction
  2. physical property that depends on the amount of matter present
  3. chemical change that takes place when two or more substances interact to form new substances with new properties.
  4. occurs when oxygen reacts with some other substance

8 Clues: materials that enter into a chemical reaction. • occurs when oxygen reacts with some other substance • materials that form as the result of a chemical reaction • physical property that depends on the amount of matter present • a physical property that does not depend on the amount of matter present • ...

Chemistry and Mass 2026-02-25

Chemistry and Mass crossword puzzle
Across
  1. one or two letters used to represent an element
  2. substance composed of two or more elements chemically combined and in a definite proportion
  3. number written in front of chemical formula to show how many molecules of that substances
  4. type of reaction in which two or more substances reacting to form new substances
  5. combination of symbols and chemical formulas used to describe what happens in a chemical reaction
  6. periodic table of______?
Down
  1. A small number to the right of a symbol to show how many atoms are presented in an element
  2. matter is neither created nor destroyed but can be changed from one form to another
  3. a change where the characteristics of a substance only change physical
  4. solid forms as result of chemical reaction(may appear cloudy)
  5. combination of symbols and numbers that represent the number and types of of elements presented in a compound
  6. a change where the characteristics of a substance(s) is changed into one or more new substances with different properties then the original

12 Clues: periodic table of______? • one or two letters used to represent an element • solid forms as result of chemical reaction(may appear cloudy) • a change where the characteristics of a substance only change physical • type of reaction in which two or more substances reacting to form new substances • ...

Acid/Base Neutralization 2020-07-28

Acid/Base Neutralization crossword puzzle
Across
  1. The molecules resulting from the chemical reaction
  2. A substance with a pH above 7, accepts H+ ions and has hydroxide.
  3. A neutral liquid produced from a neutralization reaction
  4. the positively charged ion that acids can donate
  5. A type of neutral sodium chloride that is produced by a neutralization reaction.
  6. A solution in which water is the solvent that dissolves a solute.
  7. A reaction that breaks a larger molecule into smaller parts.
  8. A substance with a pH of 7 has a ______ pH.
  9. When molecules split into smaller pieces, such as ions, in water due to a greater attraction to the positive and negative charges of the water.
  10. A state of a molecule when it is dissolved in water.
  11. A positively or negatively charged atom or molecule.
Down
  1. A substance with a pH below 7, donates H+ ions.
  2. A reaction where an acid and a base react in an aqueous solution to create a salt and water.
  3. A type of reaction with two compounds that are typically ionic--either the cations or anions of both compounds switch.
  4. The molecules that undergo a chemical reaction
  5. A scale ranging from 1-14 that measures the H+ concentration in a substance. Substances under seven are acids, substances at seven are neutral, substances above seven are bases.
  6. The negatively charged ion that all bases contain
  7. A unit to measure of the H+ concentration in a substance. Each change in unit represents a tenfold change in the concentration of H+ ions. Acids have pHs below 7; bases have pHs above 7.
  8. The process of making a base and acid react with each other to reach pH 7.

19 Clues: A substance with a pH of 7 has a ______ pH. • The molecules that undergo a chemical reaction • A substance with a pH below 7, donates H+ ions. • the positively charged ion that acids can donate • The negatively charged ion that all bases contain • The molecules resulting from the chemical reaction • A state of a molecule when it is dissolved in water. • ...

Periodic table 2021-10-25

Periodic table crossword puzzle
Across
  1. - As 33
  2. - B 5
  3. - Sb 51
  4. - Cu 29
  5. - relating to an atom/s
  6. - Ar 18
  7. - I 53
  8. - O 8
  9. - U 92
  10. - involving or resulting from a reaction between two or more substances
  11. - Cl 17
  12. - a particle of matter that uniquely defines a chemical element
  13. - any substance that cannot be decomposed into simpler substances by ordinary chemical processes
Down
  1. - Br 35
  2. - a positive charge
  3. - a table of the chemical elements arranged in order of atomic number
  4. - the number of protons in the nucleus of an atom
  5. - Fe 26
  6. - the mass of an atom of a chemical element expressed in atomic mass units
  7. - a negative charge
  8. - a neutral charge
  9. - Li 3
  10. - Hg 80
  11. - He 2

24 Clues: - B 5 • - O 8 • - I 53 • - Li 3 • - U 92 • - He 2 • - Br 35 • - As 33 • - Sb 51 • - Fe 26 • - Cu 29 • - Ar 18 • - Hg 80 • - Cl 17 • - a neutral charge • - a positive charge • - a negative charge • - relating to an atom/s • - the number of protons in the nucleus of an atom • - a particle of matter that uniquely defines a chemical element • - a table of the chemical elements arranged in order of atomic number • ...

science698 2023-02-24

science698 crossword puzzle
Across
  1. Water chemical symbol
  2. pure substance made up of one type of atom and the material never changes.
  3. center of an atom
  4. has Neutral charge
  5. a group of atoms together
  6. has tree types of bonds Ionic bonding, covalent bonding metallic bonding.
  7. final result
  8. figure or chemical symbol
  9. what is the smallest particle that makes up everything.
  10. 2 Hydrogen and 1 Oxygen atom makes...
Down
  1. Force that holds atoms together in molecules/compounds.
  2. 2 or more atoms can combine to form new...
  3. a thong composed of multiple elements.
  4. has Negative charge
  5. a subject that changes during a reaction
  6. which one is a chemical symbol Oxygen or FE
  7. hydrogen chemical symbol
  8. has Positive charge
  9. which one is a molecule promethium or bioscience
  10. Oxygen chemical symbol

20 Clues: final result • center of an atom • has Neutral charge • has Negative charge • has Positive charge • Water chemical symbol • Oxygen chemical symbol • hydrogen chemical symbol • a group of atoms together • figure or chemical symbol • 2 Hydrogen and 1 Oxygen atom makes... • a thong composed of multiple elements. • a subject that changes during a reaction • ...

Enzymes vocab crossword puzzle 2025-09-23

Enzymes vocab crossword puzzle crossword puzzle
Across
  1. Energy needed to start a reaction
  2. Reaction that absorbs heat energy
  3. Starting substances in a chemical reaction
  4. Reaction that releases heat energy
  5. Enzyme loses shape and cannot function
Down
  1. Region on enzyme where substrate binds
  2. Substance that speeds up a reaction
  3. Substances formed during a reaction
  4. Process of atoms being reorganized
  5. Proteins that act as biological catalysts
  6. Reactants that enzymes act upon

11 Clues: Reactants that enzymes act upon • Energy needed to start a reaction • Reaction that absorbs heat energy • Process of atoms being reorganized • Reaction that releases heat energy • Substance that speeds up a reaction • Substances formed during a reaction • Region on enzyme where substrate binds • Enzyme loses shape and cannot function • ...

(1.3) Review 2022-09-15

(1.3) Review crossword puzzle
Across
  1. Starting materials for reaction/aka Substrate
  2. Energy needed to start all reactions
  3. 2nd case of what happens to energy in reactions
  4. Speed up/lower active energy needed
Down
  1. Where the substrate & enzyme attach
  2. Newly formed substance after the reaction
  3. How enzymes work/via 2 ways
  4. The ability to _____ matter or do work
  5. 1st case of what happens to energy in reactions
  6. Help out chemical reactions/end in'-ase'
  7. Type of chemical reaction/combines stuff

11 Clues: How enzymes work/via 2 ways • Where the substrate & enzyme attach • Speed up/lower active energy needed • Energy needed to start all reactions • The ability to _____ matter or do work • Help out chemical reactions/end in'-ase' • Type of chemical reaction/combines stuff • Newly formed substance after the reaction • Starting materials for reaction/aka Substrate • ...

enzyme crossword 2026-01-23

enzyme crossword crossword puzzle
Across
  1. What is made after a reaction
  2. Where the substrate binds on an enzyme
  3. Measure of how acidic or basic something is
  4. Something that speeds up a reaction without being used up
  5. The molecule an enzyme acts on
Down
  1. Speed of a chemical reaction
  2. When an enzyme loses its shape
  3. Molecule that competes with substrate for the active site
  4. Factor that can increase or decrease enzyme activity
  5. Protein that speeds up chemical reactions
  6. Best condition for enzyme activity

11 Clues: Speed of a chemical reaction • What is made after a reaction • When an enzyme loses its shape • The molecule an enzyme acts on • Best condition for enzyme activity • Where the substrate binds on an enzyme • Protein that speeds up chemical reactions • Measure of how acidic or basic something is • Factor that can increase or decrease enzyme activity • ...

Crossword Puzzle 2023-06-19

Crossword Puzzle crossword puzzle
Across
  1. Force, Refers to forces that hold individual particles such as atoms and ions.
  2. Catalyst, Present in the same phase as the reactant.
  3. Point Depression, The difference in temperature between the freezing point of the pure solvent and that of the solution.
  4. of Solution, The amount of solute in a given volume of a solution.
  5. Property of liquids refers to the measure of their resistance to flow.
  6. Is a compound that does not conduct an electric current in either aqueous solution or in the molten state.
  7. Chemical that conduct electricity when dissolved in water.
  8. What is a substance that speeds up the rate of chemical reaction called.
Down
  1. Is a homogeneous mixture consisting of a solute dissolved into a solvent.
  2. A measurement of concentration expressed as the number of moles of dissolved solute per liter of solution.
  3. by Volume, Is a measure of the concentration of a substance in a solution.
  4. Point Elevation, Is the difference in temperature between the boiling point of the pure solvent and that of the solution.
  5. of reaction, Enthalpy of reaction is also called.
  6. of Reaction, Amount of heat that must be added or remove during a chemical reaction in order to keep all of the substance present at the same temperature.
  7. Defined as the total mole of a solute contained in a kilogram of solvent.

15 Clues: of reaction, Enthalpy of reaction is also called. • Catalyst, Present in the same phase as the reactant. • Chemical that conduct electricity when dissolved in water. • of Solution, The amount of solute in a given volume of a solution. • Property of liquids refers to the measure of their resistance to flow. • ...

photosynthesis 2024-05-02

photosynthesis crossword puzzle
Across
  1. plant food
  2. produced by the sun
  3. green pigment that lets plants absorb sun
  4. substances that are formed in a chemical reaction
  5. altered in the course of a chemical reaction
Down
  1. process where plants make food
  2. released in photosynthesis
  3. H2O
  4. organelles
  5. carbon dioxide

10 Clues: H2O • plant food • organelles • carbon dioxide • produced by the sun • released in photosynthesis • process where plants make food • green pigment that lets plants absorb sun • altered in the course of a chemical reaction • substances that are formed in a chemical reaction

Chapter 19 & 20: Chemical Reactions & Radioactivity and Nuclear Reactions 2022-03-09

Chapter 19 & 20: Chemical Reactions & Radioactivity and Nuclear Reactions crossword puzzle
Across
  1. Shorthand method used to describe chemical reactions using chemical formulas and other symbols.
  2. Process that occurs when a nucleus decays and emits matter and energy.
  3. Number in a chemical equation that represents the number of units of each sustenance taking part in a chemical reaction.
  4. Particle consisting of two protons and two neutrons that is merited from a decaying atomic nucleus.
  5. In a chemical reaction, the new substance or substances formed.
  6. Series of fission reactions caused by the release of additional neutrons in every step.
Down
  1. High-energy electron that is emitted when a neutron decays into a proton.
  2. In a chemical reaction, the substance that reacts.
  3. Attractive force that acts between protons and neutrons in an atomic nucleus.
  4. Process in which one or more substances are changed into new substances.

10 Clues: In a chemical reaction, the substance that reacts. • In a chemical reaction, the new substance or substances formed. • Process that occurs when a nucleus decays and emits matter and energy. • Process in which one or more substances are changed into new substances. • High-energy electron that is emitted when a neutron decays into a proton. • ...

Crossword 2024-09-24

Crossword crossword puzzle
Across
  1. If the number of atoms of each element in reactants is not equal to the number of atoms of each element present in product.
  2. The process where a set of substances undergo a chemical change to form a different substance.
  3. When a chemical equation shows no mass was created or destroyed during the reaction.
  4. a unique form of matter with constant chemical composition and characteristic properties.
  5. the scientific study of the properties and behavior of matter.
  6. Term used for the elements and compounds after a chemical reaction takes place.
Down
  1. A substance made from two or more different elements that have been chemically joined.
  2. anything that has mass and takes up space
  3. Term used for the elements and compounds before a chemical reaction takes place.
  4. The basic particles of the chemical elements.

10 Clues: anything that has mass and takes up space • The basic particles of the chemical elements. • the scientific study of the properties and behavior of matter. • Term used for the elements and compounds after a chemical reaction takes place. • Term used for the elements and compounds before a chemical reaction takes place. • ...

Chapter 8 EC #2 2021-03-22

Chapter 8 EC #2 crossword puzzle
Across
  1. The principle stating that every energy transfer or transformation increases the entropy of the universe.
  2. A substance that reduces the activity of an enzyme by entering the active site in place of the substrate, whose structure it mimics.
  3. An organic molecule serving as a cofactor
  4. The principle of conservation of energy: Energy can be transferred and transformed, but it cannot be created or destroyed.
  5. The energy associated with the relative motion of objects.
Down
  1. The totality of an organism's chemical reactions, consisting of catabolic and anabolic pathways, which manage the material and energy resources of the organism.
  2. The portion of a biological system's energy that can perform work when temperature and pressure are uniform throughout the system.
  3. A kind of allosteric regulation whereby a shape change in one subunit of a protein caused by substrate binding is transmitted to all the other subunits
  4. A series of chemical reactions that either builds a complex molecule or breaks down a complex molecule into simpler molecules
  5. A molecule (often a reactant) with a phosphate group covalently bound to it, making it more reactive (less stable) than the unphosphorylated molecule.
  6. A spontaneous chemical reaction in which there is a net release of free energy
  7. A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings.
  8. The study of energy transformations that occur in a collection of matter
  9. A process by which a chemical agent called a catalyst selectively increases the rate of a reaction without being consumed by the reaction.

14 Clues: An organic molecule serving as a cofactor • The energy associated with the relative motion of objects. • The study of energy transformations that occur in a collection of matter • A spontaneous chemical reaction in which there is a net release of free energy • A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings. • ...

Unit 2 Biology Vocabulary 2021-09-29

Unit 2 Biology Vocabulary crossword puzzle
Across
  1. substance that speeds up the rate of a chemical reaction
  2. the average mass of an atom of an element, usually expressed in atomic mass units; also referred to as mass number
  3. small chemical unit that makes up a polymer
  4. electrons that can be actively involved in chemical change; outer shell electrons
  5. reactant of an enzyme-catalyzed reaction
  6. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorus
  7. the breaking down in living organisms of more complex substances into simpler ones, with the release of energy
  8. type of bond between atoms in which the electrons are shared
  9. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  10. the center of an atom, which contains the protons and neutrons
  11. smallest unit of most compounds that displays all the properties of that compound
  12. compound with an amino group on one end and a carboxyl group on the other end
  13. elements or compounds produced by a chemical reaction
  14. substance formed by the chemical combination of two or more elements in definite proportions
  15. the basic unit of matter
  16. an arrangement of the elements in order of atomic number with similar elements falling into columns
  17. negatively charged particle; located in the space surrounding the nucleus
  18. covalent bond formed between two amino acids
  19. the synthesis in living organisms of more complex substances from simpler ones
  20. a carbohydrate whose molecules consist of a number of sugar molecules bonded together
  21. simple sugar molecule
Down
  1. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
  2. process that changes, or transforms, one set of chemicals into another set of chemicals
  3. a compound that contains hydrocarbons, often associated with living things
  4. atom that has a positive or negative charge
  5. the combination of many small molecules to form large molecules
  6. protein catalyst that speeds up the rate of specific biological reactions
  7. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  8. a link between atoms
  9. slight attraction that develops between oppositely charged regions of nearby molecules
  10. pure substance that consists entirely of one type of atom
  11. any substance that is composed of two molecules of simple sugars linked to each other
  12. hydrocarbons that contain only single bonds
  13. hydrocarbons that contain double or triple carbon-carbon bonds
  14. chemical bond formed when one or more electrons are transferred from one atom to another
  15. molecules composed of many monomers; makes up macromolecules
  16. elements or compounds that enter into a chemical reaction
  17. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  18. energy that is needed to get a reaction started
  19. the number of protons in an atomic nucleus

40 Clues: a link between atoms • simple sugar molecule • the basic unit of matter • reactant of an enzyme-catalyzed reaction • the number of protons in an atomic nucleus • atom that has a positive or negative charge • small chemical unit that makes up a polymer • hydrocarbons that contain only single bonds • covalent bond formed between two amino acids • ...

Chapter 2 Key Terms 2023-09-24

Chapter 2 Key Terms crossword puzzle
Across
  1. The building block of matter; the smallest possible particle of an element
  2. Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
  3. A substance that can produce hydrogen ions (H+) in solution.
  4. change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
  5. A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
  6. A measurement of the average speed of the particles within a substance.
  7. The attraction of particles in one substance for particles in a different substance.
  8. A covalently bonded compound containing the element carbon.
  9. change in a substance that does not change to identity of the substance.
  10. The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
  11. A pure substance made of only one kind of atom
  12. An attraction between two atoms as a result of sharing or transferring valence electrons.
  13. The physical things that make up the universe or anything that occupies space and has mass.
  14. The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
  15. A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
Down
  1. A class of organic compounds that serve as the building blocks of proteins.
  2. An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch, and cellulose.
  3. The smallest particle of a covalently bonded compound.
  4. A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
  5. The attraction between like particles within polar substances.
  6. A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
  7. A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
  8. Change-
  9. A naturally occurring catalyst, usually a protein.
  10. A pure substance made from two or more elements that are chemically combined.
  11. The ability to do work.
  12. A substance that can produce hydroxide ions (OH-) or accept hydrogen ions (H+) in solution.
  13. The substances formed during a chemical reaction, usually indicated on the right-hand side of the chemical equation.
  14. The tendency of energy to disperse and become less available to do work.
  15. A class of simple organic compounds important in living things as a source of both energy and structure.

30 Clues: Change- • The ability to do work. • A pure substance made of only one kind of atom • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A covalently bonded compound containing the element carbon. • A substance that can produce hydrogen ions (H+) in solution. • ...

Chemistry Unit 5 Vocabulary 2024-12-08

Chemistry Unit 5 Vocabulary crossword puzzle
Across
  1. What's formed as the result of the reaction. The substance(s) to the right of the arrow in a chemical equation. Is there at the end of the chemical reaction.
  2. A number below a number. We cannot change them. It is the number of atoms an element has. Be₄
  3. A substance that has identical molecules with atoms with two or more chemical elements. H₂O is a compound.
  4. Switches places with another element that is in a compound. Cl2(aq) + 2NaBr(aq) → 2NaCl(aq) + Br2(aq)
  5. A molecule that has two atoms in its element. H₂
  6. Hydrocarbon reacting with oxygen that releases carbon dioxide, heat and water. 2H₂(g)+O₂(g)→2H₂O(g)
Down
  1. When one reactant breaks down into multiple, simpler products. ClNa→Cl+Na
  2. Two reacting compounds that switch their bond buddy. AgNo₃+NaCl→AgCl+NaNO₃
  3. A number placed in front of chemical formulas that is the number of molecules Combination Two or more elements that combine to make one product. Can also be called synthesis. 2CO(g)+O₂(g)→2CO₂(g)
  4. A metal and a nonmetal bonded together chemically. NaF
  5. A nonmetal and nonmetal bonded together chemically. N₂O₃
  6. A substance that is changing during a reaction. The substance(s) to the left of the arrow in a chemical equation. Is there at the start of the chemical reaction.
  7. An atom or molecule. When positively charged they are cations, and when negatively charged they are anions. (Na+) (O₂-)

13 Clues: A molecule that has two atoms in its element. H₂ • A metal and a nonmetal bonded together chemically. NaF • A nonmetal and nonmetal bonded together chemically. N₂O₃ • When one reactant breaks down into multiple, simpler products. ClNa→Cl+Na • Two reacting compounds that switch their bond buddy. AgNo₃+NaCl→AgCl+NaNO₃ • ...

Photosynthesis Vocab 2025-01-30

Photosynthesis Vocab crossword puzzle
Across
  1. cell cells that control the opening and closing of stoma
  2. green pigment in chloroplast that is used for photosynthesis
  3. change one or more molecules into another molecules
  4. organelle where photosynthesis takes place
  5. opening in leaves that controls gas exchange
  6. energy given off by the sun that plants collect
  7. energy stored in chemical bonds
Down
  1. process that plants use to turn sunlight into energy
  2. part of the cell that performs a specific job
  3. tubes that carries sugar through plants
  4. a type of sugar made by plants
  5. cell a eukaryotic cell that contains chloroplast and a cell wall
  6. the substance you start with for a chemical reaction
  7. tube that carries water through plants
  8. what is made by a chemical reaction

15 Clues: a type of sugar made by plants • energy stored in chemical bonds • what is made by a chemical reaction • tube that carries water through plants • tubes that carries sugar through plants • organelle where photosynthesis takes place • opening in leaves that controls gas exchange • part of the cell that performs a specific job • ...

The Chemical Vocab 2025-09-18

The Chemical Vocab crossword puzzle
Across
  1. A chemical bond formed when two atoms share pairs of electrons.
  2. A weak attraction between a slightly positive hydrogen atom in one molecule and a slightly negative atom in another.
  3. A molecule made of amino acids that is needed for the body to function properly.
  4. A substance that increases the rate of a chemical reaction without being consumed by the reaction.
  5. The building blocks that combine to form proteins.
  6. A waxy, fat-like substance made by the liver that is essential for cell function.
  7. The basic building block of all matter, composed of protons, neutrons, and electrons.
  8. A large molecule, such as DNA or RNA, that carries genetic information.
  9. Fatty, oily, or waxy compounds that are insoluble in water and store energy.
  10. A substance made from two or more different elements that are chemically bonded.
  11. In chemistry, a compound that contains carbon-hydrogen bonds.
  12. A property of a molecule that repels water.
  13. A protein that acts as a catalyst to speed up specific chemical reactions in the body.
  14. A particle with a positive electrical charge located in an atom's nucleus.
  15. A chemical bond formed by the electrical attraction between oppositely charged ions.
  16. A substance that accepts hydrogen ions and has a pH greater than 7.
  17. A large carbohydrate molecule composed of many monosaccharide units joined together.
  18. A particle found in an atom's nucleus that has no electrical charge.
  19. A very large molecule, such as a protein or nucleic acid, that is built from smaller units.
Down
  1. The simplest form of a carbohydrate, or a "simple sugar".
  2. shell An orbital path or energy level that electrons follow around an atom's nucleus.
  3. A property of a molecule that is attracted to and dissolves in water.
  4. The minimum amount of energy required to start a chemical reaction.
  5. An atom or molecule that has a net positive or negative electrical charge.
  6. substance that donates hydrogen ions and has a pH less than 7.
  7. A variant of a chemical element with the same number of protons but a different number of neutrons.
  8. A particle with a negative electrical charge that orbits an atom's nucleus in shells.
  9. Sugar molecules that serve as the body's main source of energy.
  10. A molecule that is the basic building block of DNA and RNA.
  11. A process where substances rearrange their atoms to form new substances with different properties.
  12. A chemical bond that links two amino acids together.
  13. The molecule that an enzyme acts upon in a chemical reaction.
  14. A pure substance made of only one type of atom that cannot be broken down chemically.
  15. A measure of how acidic or basic a substance is, ranging from 0 to 14.
  16. Two or more atoms bonded together.

35 Clues: Two or more atoms bonded together. • A property of a molecule that repels water. • The building blocks that combine to form proteins. • A chemical bond that links two amino acids together. • The simplest form of a carbohydrate, or a "simple sugar". • A molecule that is the basic building block of DNA and RNA. • ...

Chemical Reactions 2024-03-04

Chemical Reactions crossword puzzle
Across
  1. group 18 on the periodic table
  2. atoms exchange or share electrons in order to produce a noble gas electron configuration for each element involved
  3. have properties similar to both metals and nonmetals
  4. one of the two products of hydrocarbon combustion
  5. atoms of the same element with different numbers of neutrons
  6. type of bond involving a transfer of electrons
  7. atomic number 79
  8. the smallest whole number ratio of the different atoms in a compound
  9. one of the two products of a hydrocarbon combustion
  10. reaction analogous to "cutting in" on the dance floor
  11. group 1 on the periodic table
  12. type of bond where electrons are shared between two atoms
  13. they represent electrons in orbital diagrams
  14. units of molar mass
  15. reaction where oxygen gas is a reactant
  16. the Greek letter used to show that a reaction is heated
  17. dissolved in water
  18. the outermost electrons of an atom
  19. it speeds up a reaction but is not used up
  20. molecular geometry shape where four atoms are bonded to a central atom
  21. group 2 on the periodic table
  22. reverse of a decomposition reaction
  23. used to determine if Au + NaCl will go
Down
  1. an atoms ability to attract electrons from another atom in a bond
  2. CaS
  3. nitrogen, oxygen, hydrogen, and the halogens
  4. abbreviations for Valence Shell Electron Pair Repulsion
  5. atoms are neither created nor destroyed in a chemical reaction
  6. area of high probability of finding an electron
  7. a solid that separates out of solution in a reaction
  8. charge of silver metal
  9. shows locations of electrons with boxes and arrows
  10. group 2, period 3
  11. elements that contain only one atom in their elemental state
  12. the number of sulfur atoms in elemental sulfur
  13. numbers added before chemical formulas in a reaction to balance it
  14. hydrogen bonds, London dispersion forces, or dipole dipole interactions
  15. 6.022 times 10 to the 23rd
  16. type of reaction that gives off heat
  17. type of reaction when sodium chloride reacts with silver nitrate
  18. evidence of gas formation in a reaction
  19. horizontal rows in the periodic table
  20. abbreviation for a solid that crashes out of solution

43 Clues: CaS • atomic number 79 • group 2, period 3 • dissolved in water • units of molar mass • charge of silver metal • 6.022 times 10 to the 23rd • group 1 on the periodic table • group 2 on the periodic table • group 18 on the periodic table • the outermost electrons of an atom • reverse of a decomposition reaction • type of reaction that gives off heat • ...

Honors Chemistry: Unit 1 2021-08-23

Honors Chemistry: Unit 1 crossword puzzle
Across
  1. irreversible chemical reaction involving the rearrangement of the atoms of one or more substances
  2. anything that has mass and takes up space
  3. chemical property that outlines the type of matter in a substance
  4. a measurement of resistance to change for a body of matter.
  5. any property that is observable and can be measured
Down
  1. most basic unit of matter
  2. a state of matter with a definite shape and volume.
  3. a pure substance consisting only of atoms that all have the same numbers of protons
  4. changes affecting the form of a chemical substance, but not its chemical composition.
  5. chemical property that outlines the amount of matter in a substance
  6. state of matter in which molecules move around freely but still experience attractive forces
  7. a characteristic of a particular substance that can be observed in a chemical reaction.
  8. the study of composition
  9. state of matter consisting of particles that have neither a defined volume nor defined shape.

14 Clues: the study of composition • most basic unit of matter • anything that has mass and takes up space • a state of matter with a definite shape and volume. • any property that is observable and can be measured • a measurement of resistance to change for a body of matter. • chemical property that outlines the type of matter in a substance • ...

Balancing Equations 2013-04-08

Balancing Equations crossword puzzle
Across
  1. state of matter represented by "l" in a chemical equation
  2. state of matter represented by "s" in a chemical equation
  3. what is made during a chemical equation. Is located to the right of the equation
  4. speeds up a chemical reaction without being used up or changed
  5. an equation in which the amount of the products and reactants are equal
  6. what starts a chemical reaction. Located to the left of the chemical equation
  7. the total mass of a compound. Found by using a periodic table
Down
  1. mass is neither created nor destroyed. What you start with in an equation you will end with
  2. whole number placed in front of a compound to balance a chemical equation
  3. an equation in which the amount of the products and reactants are not equal
  4. represented by an arrow to show what is made
  5. state of matter represented by a "g" in a chemical equation

12 Clues: represented by an arrow to show what is made • state of matter represented by "l" in a chemical equation • state of matter represented by "s" in a chemical equation • state of matter represented by a "g" in a chemical equation • the total mass of a compound. Found by using a periodic table • speeds up a chemical reaction without being used up or changed • ...

Cailey Flynn 2019-06-12

Cailey Flynn crossword puzzle
Across
  1. the smallest type of matter
  2. NH3->N2+ H2
  3. Energy level that is divided into smaller orbits
  4. diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule
  5. the distribution of electrons of an atom or molecule
  6. A carbon based compound that reacts with oxygen to form cardon-dixoide (co2) and water (products)
  7. chemical bond that involves the sharing of electron pairs between atoms
  8. How atoms combine to form compounds
  9. Atoms give away or accept electrons to become positive (happy)
  10. the data collected
  11. a chemical substance composed of many identical molecules composed of atoms from more than one element
  12. show you how many of each molecules there is
  13. Al+H2SO4-> Al2(SO4)3+H2
  14. The symbol (aq) indicates a substance is dissolved in
  15. electric charge is negative
Down
  1. The "stuff" you make in a chemical equation
  2. point temperature at which it changes state from solid to liquid
  3. an atom or molecule that has a net electrical charge
  4. a representation of a chemical reaction
  5. The "stuff" you start with in a chemical equation
  6. a solution in which the solvent is water
  7. The number of atoms for each element in the chemical equation
  8. AB+CD-> AD+CB
  9. atoms give away or accept electrons
  10. an outer shell electron that is associated with an atom
  11. symbol that separates the reactants from the products of the chemical reaction - Arrow
  12. a negatively charged ion
  13. Two or more substances (Reactants) combine to form a single substance (Products)
  14. Positively (+) charged ions, more protons than electrons
  15. display of the chemical elements

30 Clues: NH3->N2+ H2 • AB+CD-> AD+CB • the data collected • Al+H2SO4-> Al2(SO4)3+H2 • a negatively charged ion • the smallest type of matter • electric charge is negative • display of the chemical elements • atoms give away or accept electrons • How atoms combine to form compounds • a representation of a chemical reaction • a solution in which the solvent is water • ...

science 2016-12-14

science crossword puzzle
Across
  1. / Non-metals in group 17 in the periodic table, fluorine,chlorine, bromine and iodine.
  2. / Positively charged centre of the atom made up of protons and neutrons.
  3. / The element in group 8 and period 4.
  4. / The third most abundant element in the cosmos,after hydrogen and helious.
  5. / A soft, silver-white metal belonging to the alkali metal group of chemical element.
  6. / The first of the synthetic element.
  7. / Charged particle made up of several non metallic atoms joined together.
  8. /_____for removing and holding a hot beaker.
  9. / ____are used to pick up small object.
  10. / Compound produced in a neutralization reaction between an acid and a base.
  11. / ....mixture is one that has uniform composition and the same properties throughout the mixture.
  12. / Ability of a substance to conduct heat,sound or electricity.
  13. / Determined without destroying matter.
  14. / an alkaline battery.
  15. / Type of bond formed when electrons transfer between metals and non-metals.
  16. / The largest naturally occuring element.
Down
  1. / A substance that cannot be broken down into simpler components by any non-nuclear chemical reaction.
  2. / Poor conductor of heat.
  3. / an posotively charged ion.
  4. / The element that has atomic number 32.
  5. / Unreactive with all, but the most corrosive of acids.
  6. / The element in group 3 to 12 are referred to as ...
  7. / ____ is pH changes very little when a small amount of strong acid or base is added to it.
  8. / an element is defined by the nucleon number, which is the sum of the number of protons and the number of neutrons in the atomic nucleus.
  9. / substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators (e.g., turn red litmus paper blue),
  10. / Chemical reaction in which an acid and a bases react quantitatively with each other.
  11. / Chemical combination of two or more elements.
  12. / ____is any chemical element which has properties between those of metal and non-metal.
  13. / A change in the physical and chemical properties.
  14. / a subatomic particle with a positive electric charge of +1e.

30 Clues: / an alkaline battery. • / Poor conductor of heat. • / an posotively charged ion. • / The first of the synthetic element. • / The element in group 8 and period 4. • / ____are used to pick up small object. • / Determined without destroying matter. • / The element that has atomic number 32. • / The largest naturally occuring element. • ...

science 2016-12-14

science crossword puzzle
Across
  1. / Non-metals in group 17 in the periodic table, fluorine,chlorine, bromine and iodine.
  2. / The element in group 8 and period 4.
  3. / A soft, silver-white metal belonging to the alkali metal group of chemical element.
  4. / ____are used to pick up small object.
  5. / Chemical combination of two or more elements.
  6. / The largest naturally occuring element.
  7. / Compound produced in a neutralization reaction between an acid and a base.
  8. / Unreactive with all, but the most corrosive of acids.
  9. / The element in group 3 to 12 are referred to as ...
  10. / Chemical reaction in which an acid and a bases react quantitatively with each other.
  11. / The element that has atomic number 32.
  12. / The third most abundant element in the cosmos,after hydrogen and helious.
  13. / Determined without destroying matter.
  14. / The first of the synthetic element.
  15. / ____ is pH changes very little when a small amount of strong acid or base is added to it.
  16. / ....mixture is one that has uniform composition and the same properties throughout the mixture.
  17. / substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators (e.g., turn red litmus paper blue),
Down
  1. / Positively charged centre of the atom made up of protons and neutrons.
  2. / an element is defined by the nucleon number, which is the sum of the number of protons and the number of neutrons in the atomic nucleus.
  3. / A change in the physical and chemical properties.
  4. /_____for removing and holding a hot beaker.
  5. / ____is any chemical element which has properties between those of metal and non-metal.
  6. / a subatomic particle with a positive electric charge of +1e.
  7. / Ability of a substance to conduct heat,sound or electricity.
  8. / an posotively charged ion.
  9. / an alkaline battery.
  10. / Charged particle made up of several non metallic atoms joined together.
  11. / Poor conductor of heat.
  12. / Type of bond formed when electrons transfer between metals and non-metals.
  13. / A substance that cannot be broken down into simpler components by any non-nuclear chemical reaction.

30 Clues: / an alkaline battery. • / Poor conductor of heat. • / an posotively charged ion. • / The first of the synthetic element. • / The element in group 8 and period 4. • / ____are used to pick up small object. • / Determined without destroying matter. • / The element that has atomic number 32. • / The largest naturally occuring element. • ...

chemistry project 2022-05-19

chemistry project crossword puzzle
Across
  1. Research is generally carried out to solve a
  2. knowledge.
  3. wavelike behavior as it travels through
  4. Research is carried out for the sake of
  5. is the ability of a substance to be
  6. chemical bonding that results from the attraction
  7. all the forms of electromagnetic radiation
  8. the electromagnetic spectrum.
  9. formula is the actual formula of a molecular compound.
  10. mechanics, chemical compositions and
  11. or extruded through a small opening to
  12. compound is composed of positive and
  13. processes.
  14. ions that are combined so that the numbers of positive and negative charges are equal.
  15. is an equation in which the reactants and products in a chemical reaction are represented by words.
  16. Periodic Table is an arrangement of the
  17. properties of matter, the processes that matter
  18. found in an athlete’s urine sample
  19. in order of their atomic numbers so that
  20. is any substance that has a definite
  21. much caffeine is in a cup of coffee, are there
  22. metal atoms and the surrounding sea of
  23. is the study of the composition, structure,
  24. and composition of materials
Down
  1. chemistry—the study of the properties and
  2. chemistry—the identification of the
  3. is defined as the number of waves that
  4. is called metallic bonding.
  5. ratio is a conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction
  6. is the smallest particle of an element that
  7. a wire.
  8. or beaten into thin sheets.
  9. is the ability of a substance to be drawn,
  10. a given point in a specific time, usually one
  11. and the energy changes that accompany
  12. points on adjacent waves.
  13. reactant is the reactant that limits the amount of the other reactant that can combine and the amount of product that can form in a chemical reaction.
  14. the chemical properties of that element.
  15. zero mass and carrying a quantum of
  16. radiation is a form of energy that
  17. is the distance between
  18. or group.
  19. of matter and their relation to energy
  20. with similar properties fall in the same

44 Clues: a wire. • or group. • knowledge. • processes. • is the distance between • points on adjacent waves. • is called metallic bonding. • or beaten into thin sheets. • and composition of materials • the electromagnetic spectrum. • radiation is a form of energy that • found in an athlete’s urine sample • chemistry—the identification of the • is the ability of a substance to be • ...

Year 10 science revision 2021-05-12

Year 10 science revision crossword puzzle
Across
  1. a change in a substance that does not change the identify of the substance
  2. positively charged particle
  3. a change in a substance that results in a new substance being formed
  4. increasing the dissolved reactants increases the ...
  5. a quick reaction
  6. the rate of reaction depends on the ______________ of collisions between particles
  7. a substance that lowers the reactions activation energy so speeds up the reaction
Down
  1. the minimum amount of energy needed for the particles to react
  2. the type of reaction where a molecule breaks down to make simpler ones
  3. a solid that forms
  4. the type of reaction where two or more compounds combine to form one compound
  5. the speed of a reaction
  6. negatively charged ion
  7. charge on a ionic compound
  8. the smaller the pieces of reactant the ______________ the surface area
  9. substances that are formed in a chemical reaction
  10. a substance that is made of two or more elements bonded together
  11. the measure of how well one substance dissolves in another
  12. by increasing this the particles have more energy so they collide more

19 Clues: a quick reaction • a solid that forms • negatively charged ion • the speed of a reaction • charge on a ionic compound • positively charged particle • substances that are formed in a chemical reaction • increasing the dissolved reactants increases the ... • the measure of how well one substance dissolves in another • ...

CHEMISTRY CROSSWORD 2024-08-23

CHEMISTRY CROSSWORD crossword puzzle
Across
  1. Anything which occupies space and has mass
  2. The gaseous form of a solid
  3. The term used for a particular kind of matter
  4. The outermost shell
  5. The smallest particle of an element
  6. The new substances formed as a result of a chemical reaction
  7. The positively charged ions
  8. The number of protons in the nucleus of an atom
  9. Short form of an Element
  10. Combining capacity of an elemeny
Down
  1. A pure substance which cannot be broken into two or more substances by any known physical and chemical means
  2. Solid State formed from the gaseous state on cooling
  3. The substances which take part in a chemical reaction
  4. The negatively charged ions
  5. The number of protons and neutrons in the nucleus of an atom

15 Clues: The outermost shell • Short form of an Element • The gaseous form of a solid • The negatively charged ions • The positively charged ions • Combining capacity of an elemeny • The smallest particle of an element • Anything which occupies space and has mass • The term used for a particular kind of matter • The number of protons in the nucleus of an atom • ...

Law of Conservation of Mass 2024-10-09

Law of Conservation of Mass crossword puzzle
Across
  1. If the reactants add up to five grams, the products must add up to __ grams.
  2. The ___of Conservation of Mass states that all matter is conserved in a reaction
  3. the things on the right side of the chemical equation
  4. Water breaking down into hydrogen and oxygen is a __ change.
  5. The Law of ___ of Mass states that all atoms in must equal all atoms out
  6. the things on the left side of the chemical equation
  7. Mass is usually measured in __ or kilograms.
Down
  1. number in front of a chemical formula, like the 2 in 2NaCl
  2. If an equation is ___, the number of atoms on each side is unequal.
  3. the measure of how many atoms are in something
  4. In __ systems, gas could escape.
  5. A __ equation has the same number of atoms on each side.
  6. Water boiling is a ___ change, because it is still H2O.
  7. In __ systems, no atoms can escape from the reaction.
  8. In chemical reactions, ___ break and new ones form between electrons.

15 Clues: In __ systems, gas could escape. • Mass is usually measured in __ or kilograms. • the measure of how many atoms are in something • the things on the left side of the chemical equation • the things on the right side of the chemical equation • In __ systems, no atoms can escape from the reaction. • Water boiling is a ___ change, because it is still H2O. • ...

Water/Enzyme Vocab 2021-09-30

Water/Enzyme Vocab crossword puzzle
Across
  1. a substance capable of reacting with an acid to form a salt and water of accepting or neutralizing hydrogen ions
  2. a molecule or other entity that can donate a proton or accept an electron pair in reactions
  3. the minor component in a solution, dissolved in the solvent
  4. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
  5. a region on an enzyme that binds to a protein or other substance during a reaction.
  6. a substance produced during a natural, chemical, or manufacturing process
  7. a substance capable of reacting with an acid to form a salt and water of accepting or neutralizing hydrogen ions
  8. 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.
  9. a solution that resists changes in pH when acid or alkali is added to it
  10. the surface or material on or from which an organism lives, grows, or obtains its nourishment.
  11. able to dissolve other substances.
Down
  1. A molecule in which one end is slightly positive and the other is slightly negative
  2. a substance made by mixing other substances together
  3. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  4. a weak bond between two molecules resulting from an electrostatic attraction
  5. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  6. a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component (the solvent).

17 Clues: able to dissolve other substances. • a substance made by mixing other substances together • the minor component in a solution, dissolved in the solvent • a solution that resists changes in pH when acid or alkali is added to it • a substance produced during a natural, chemical, or manufacturing process • ...

water/enzymes 2021-10-07

water/enzymes crossword puzzle
Across
  1. site, a region on an enzyme that binds to a protein or other substance during a reaction
  2. substance that acts as a catalyst in living organisms
  3. a solution that resists changes in pH when acid or alkali is added to it. Buffers typically involve a weak acid or alkali together with one of its salts
  4. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  5. bond, primarily electrostatic force of attraction between a hydrogen atom which is covalently bound to a more electronegative atom or group
  6. able to dissolve other substances
  7. energy, the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction
  8. scale used to specify the acidity or basicity of an aqueous solution
  9. a liquid mixture in which the minor component (the solute) is uniformly distributed within the major component
Down
  1. a substance made by mixing other substances together
  2. reaction, 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
  3. the substance on which an enzyme acts
  4. the minor component in a solution, dissolved in the solvent
  5. molecule or ion capable of either donating a proton
  6. a thing or person that is the result of an action or process
  7. molecule, a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative

16 Clues: able to dissolve other substances • the substance on which an enzyme acts • molecule or ion capable of either donating a proton • a substance made by mixing other substances together • substance that acts as a catalyst in living organisms • the minor component in a solution, dissolved in the solvent • a thing or person that is the result of an action or process • ...

Chapter 8 (Puzzle #2) 2021-03-23

Chapter 8 (Puzzle #2) crossword puzzle
Across
  1. a substance that reduces 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 catalyze the conversion of substrate to product
  2. a temporary complex formed when an enzyme binds to its substrate molecule(s)
  3. the amount of energy that reactants must absorb before a chemical reaction will start; also called free energy of activation
  4. a process by which a chemical agent called a catalyst to selectively increases the rate of a reaction without being consumed by the reaction
  5. the binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site
  6. caused by entry of the substrate, the change in shape of the active site of an enzyme so that it binds more snugly to the substrate
  7. an organic molecule serving as a cofactor. Most vitamins function as coenzymes in the metabolic reactions
Down
  1. a substance that reduces the activity of an enzyme by entering the active site in place of the substrate, whose structure it mimics
  2. a method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway
  3. the specific region of an enzyme that binds to the substrate and that forms the pocket in which catalysis occurs
  4. the reactant on which an enzyme works
  5. a macromolecule serving as a catalyst, a chemical agent that increases the rate of a reaction without being consumed by the reaction. most enzymes are proteins
  6. a chemical agent that selectively increases the rate of a reaction without being consumed by the reaction

13 Clues: the reactant on which an enzyme works • a temporary complex formed when an enzyme binds to its substrate molecule(s) • a chemical agent that selectively increases the rate of a reaction without being consumed by the reaction • an organic molecule serving as a cofactor. Most vitamins function as coenzymes in the metabolic reactions • ...

Chemical Reactions and Equations-Hrishikesh Prem 2024-04-30

Chemical Reactions and Equations-Hrishikesh Prem crossword puzzle
Across
  1. Substances which prevent rancidity
  2. Color of silver after Tarnishing
  3. Any reaction which produces a precipitation
  4. Chemical Name of Rust
  5. When a more reactive element displaces another less reactive element to form a new compund
  6. Solution which turns milky after reaction with Carbon Dioxide
  7. Reaction where a compound breaks down in presence of sunlight
  8. Element which loses hydrogen or gains oxygen
Down
  1. When 2 compounds exchange ions
  2. Reaction in which both oxidising and reducing takes please
  3. known as slaked lime
  4. Reaction where compound breaks down in presence of heat
  5. Brown fumes produced by decomposition of lead nitrate
  6. Color of compund formed after reaction between Copper and moist air
  7. Also known as Limestone
  8. When 2 or more elements combine to form a compoudn

16 Clues: known as slaked lime • Chemical Name of Rust • Also known as Limestone • When 2 compounds exchange ions • Color of silver after Tarnishing • Substances which prevent rancidity • Any reaction which produces a precipitation • Element which loses hydrogen or gains oxygen • When 2 or more elements combine to form a compoudn • Brown fumes produced by decomposition of lead nitrate • ...

Bioenergetics Medical Biochemistry II 2021 2021-02-06

Bioenergetics Medical Biochemistry II 2021 crossword puzzle
Across
  1. The process of metabolism that leads to the breakdown of macromolecules in order to make chemical energy.
  2. This molecule is an important acyl carrier and carries to carbon-units into metabolic pathways or for synthesis of fatty acids.
  3. This molecule can facilitate single electron transfers in biological reactions.
  4. This type of molecule is electron-rich and will attack positively charged centers en route to creating new chemical bonds.
  5. The first law of thermodynamics describes the _________ of energy.
  6. This cation is used to help screen the negative charges on ATP/ADP to facilitate hydrolysis.
  7. This molecule is a very common phosphate donor
  8. Energy in living systems is usually released and transferred in the form of ______ energy.
  9. Chemical reactions are more favorable and proceed in the forward direction if the the products are _____ such as via resonance or solvation.
  10. This molecule has the highest oxidation state for carbon.
  11. Hydrolysis of this molecule releases more energy than hydrolysis of ATP because of a high energy reactant, product stabilization, and tautomerization (use abbreviation).
Down
  1. Standard free energy changes are ______.
  2. This type of cleavage is more rare and involves the formation of radicals when a chemical bond has the electrons split equally
  3. The process of metabolism that leads to the synthesis of macromolecules.
  4. This type of molecule is positively-charge or electron deficient and is susceptible to attack via nucleophiles en route to creating new chemical bonds.
  5. Free energy changes in the biochemical cell are dependent on the ______ of the reactant and products.
  6. This molecule is an important reactant/cofactor in biological oxidation/reduction reactions (use abbreviation).
  7. This reaction type does not have a change in oxidation state and typically has much smaller free-energy changes.
  8. This type of chemical reaction occurs when a molecule loses electrons
  9. This molecule is used in hydrolysis reactions to generate new products, which tend to be strongly favorable.
  10. This thermodynamic variable is described by the second law of thermodynamics; the universe tends to always be increasing in disorder.
  11. This sign of deltaG indicates a chemical reaction is spontaneous and will proceed in the forward direction.

22 Clues: Standard free energy changes are ______. • This molecule is a very common phosphate donor • This molecule has the highest oxidation state for carbon. • The first law of thermodynamics describes the _________ of energy. • This type of chemical reaction occurs when a molecule loses electrons • The process of metabolism that leads to the synthesis of macromolecules. • ...

chemistry crossword puzzle 2022-02-11

chemistry crossword puzzle crossword puzzle
Across
  1. A number in a chemical equation indicating more than one molecule of the substance
  2. The tendency of a substance to interact with itself
  3. The smallest piece of an element that maintains the identity of that element
  4. An ionic compound of the H+ cation dissolved in water
  5. The connection between two atoms in a molecule
  6. ending that is applied that describes the types of chemical bonds in the molecule
  7. A chemical bond formed by two atoms sharing electrons
  8. Bind to the surface of another substance
  9. A physical property defined as a substance’s mass divided by its volume
  10. The characteristic temperature at which a liquid becomes a gas
  11. the unit of temperature scales
  12. A chemical reaction in which a reactant combines with oxygen to produce oxides of all other elements as products
  13. A tiny subatomic particle with a negative charge
Down
  1. Chemical reactions that absorb (or use) energy
  2. The sum of the number of protons and neutrons in a nucleus
  3. A species with an overall negative charge
  4. a combination of more than one elements
  5. the name comes before the molecule
  6. When a chemical reaction happens, energy is transferred to or from the surroundings.
  7. the process of gas becoming a liquid
  8. A gas law that relates number of particles to volume
  9. A condition when the reactants and products of a chemical equation have the same number of atoms of all elements presentcatalyst
  10. A compound that increases the amount of OH− ions in an aqueous solution

23 Clues: the unit of temperature scales • the name comes before the molecule • the process of gas becoming a liquid • a combination of more than one elements • Bind to the surface of another substance • A species with an overall negative charge • Chemical reactions that absorb (or use) energy • The connection between two atoms in a molecule • ...

water and emzymes 2021-10-03

water and emzymes crossword puzzle
Across
  1. are substances which react with acids
  2. a region on an enzyme that binds to a protein or other substance during a reaction
  3. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  4. the minor component in a solution, dissolved in the solvent.
  5. a scale used to specify the acidity or basicity of an aqueous solution
  6. any substance that in water solution tastes sour
  7. species formed from chemical reactions.
  8. a means of solving a problem or dealing with a difficult situation
  9. able to dissolve other substances
Down
  1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  2. a molecule in which one end of the molecule is slightly positive, while the other end is slightly
  3. is a substance made by mixing other substances together.
  4. 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.
  5. the surface or material on or from which an organism lives, grows, or obtains its nourishment.
  6. a substance that acts as a catalyst in living organisms
  7. primarily electrostatic force of attraction between a hydrogen atom which is covalently bound to a more electronegative atom or group
  8. a solution that can resist pH change upon the addition of an acidic or basic components

17 Clues: able to dissolve other substances • are substances which react with acids • species formed from chemical reactions. • any substance that in water solution tastes sour • a substance that acts as a catalyst in living organisms • is a substance made by mixing other substances together. • the minor component in a solution, dissolved in the solvent. • ...

7.2 Types of Reactions 2022-03-29

7.2 Types of Reactions crossword puzzle
Across
  1. A chemical reaction in which two compounds exchange positive ions and form two new compounds
  2. A chemical reaction in which one element takes the place of another element in a compound
  3. A chemical reaction in which electrons are transferred from one reaction to another
Down
  1. A chemical reaction in which two or more substances react to form a single substance
  2. A chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light
  3. A chemical reaction in which a compound breaks down into two or more simpler substances
  4. a substance that undergoes change into products over time

7 Clues: a substance that undergoes change into products over time • A chemical reaction in which electrons are transferred from one reaction to another • A chemical reaction in which two or more substances react to form a single substance • A chemical reaction in which a compound breaks down into two or more simpler substances • ...

Photosynthesis - 7th Grade 2024-01-23

Photosynthesis - 7th Grade crossword puzzle
Across
  1. Smallest particle of an element
  2. The process where a plant makes sugar and oxygen from carbon dioxide, water and sunlight
  3. Scientific word for sugar
  4. Energy stored in bonds
  5. What living things breath out
Down
  1. A substance that takes part in and undergoes change during a chemical reaction
  2. The simplest unit of a chemical compound that can exsist
  3. A substance produced during a chemical reaction
  4. Radiant energy from the sun
  5. What living beings need to breath in and is made by plants
  6. How animals get their glucose or sugar

11 Clues: Energy stored in bonds • Scientific word for sugar • Radiant energy from the sun • What living things breath out • Smallest particle of an element • How animals get their glucose or sugar • A substance produced during a chemical reaction • The simplest unit of a chemical compound that can exsist • What living beings need to breath in and is made by plants • ...

Cdi06 2025-06-03

Cdi06 crossword puzzle
Across
  1. Sustained luminous electrical discharge between electrodes.
  2. Heat transfer via circulating medium.
  3. Abnormal fire movement from interference.
  4. Electrical fires in live wires or equipment.
  5. Initial fire stage, normal room temperature.
  6. Heat absorbed or released during phase change.
  7. Black, combustible mineral solid from partly decomposed matter
  8. Exothermic reaction of combustible material with oxidizer.
  9. Force by molecules on liquid's surface.
  10. Condensed phased combustion.
  11. Prepared flammables to spread fire.
  12. Changes absorbing or adding energy.
  13. Manifestation of rapid chemical reaction with fuel and oxidizer
  14. Metallic fires from finely divided burning metals.
  15. Oxidizing agent combining with fuel vapor.
  16. Weight of pure gas volume to equal dry air volume.
  17. Crude oil refined for fuels like gasoline, diesel, kerosene.
  18. Sudden ignition of accumulated radical gases.
  19. Combustiblematerial that vaporizes and burns.
  20. Gathering combustibles to start fire.
  21. Heat moving as waves and rays.
  22. Temperature liquid forms ignitable vapor-air mixture.
  23. The burning process.
  24. Raises fuel vapor to ignition temperature.
  25. Accidental low-resistance connection between different potentials.
  26. Temperature for vapor to burn.
  27. Represents combustion including chain reaction.
Down
  1. Automatic chemical reaction causing spontaneous combustion.
  2. Changing from solid to gas.
  3. Liquid fires,flammable or combustible liquids.
  4. Flammable chemical facilitating flame propagation.
  5. Temperature liquid's vapor pressure equals atmospheric pressure.
  6. Glowing particles and luminous gaseous products of burning
  7. Gas for heating, cooking, industrial energy.
  8. Normal, rising pattern of undisturbed fire.
  9. Reactions releasing energy.
  10. Orange,red, incomplete combustion
  11. Lowest temperature liquid's vapors support combustion.
  12. Changing from liquid to vapor.
  13. Ratio of substance's weight to equal water volume's weight.
  14. Heat transfer by molecular activity in a material.
  15. Sudden rapid burning of heated gases in confined area.
  16. Oxygen drops, flame vanishes, heat layers.
  17. Accelerated pyrolysis, convection develops.
  18. Combination of fuel, oxygen, heat.
  19. Blue, complete combustion, high temperature flame.
  20. Highly combustible vapors.
  21. Natural highmagnitude electrical current.
  22. Chemical decomposition of matter by heat.
  23. Ordinary fires,wood, paper, textiles, rubber.

50 Clues: The burning process. • Highly combustible vapors. • Changing from solid to gas. • Reactions releasing energy. • Condensed phased combustion. • Changing from liquid to vapor. • Heat moving as waves and rays. • Temperature for vapor to burn. • Orange,red, incomplete combustion • Combination of fuel, oxygen, heat. • Prepared flammables to spread fire. • ...

Bubbles, Bangs and Burning 2013-04-22

Bubbles, Bangs and Burning crossword puzzle
Across
  1. You will see this happening if you add sodium bicarbonate to acid.
  2. Used as a fuel in some cars.
  3. Colourless gas, which comes from the gas taps in the lab.
  4. White substance found in some fire extinguishers.
  5. Colourless gas, which makes up about 1/5 of the air we breathe.
  6. The chemical that goes into a chemical reaction.
  7. Colourless liquid that turns cloudy when carbon dioxide bubbles through it.
  8. The chemical produced in a chemical reaction.
Down
  1. If a fuel burns in a good supply of oxygen then carbon (?) is made.
  2. Colourless chemical, made when fuel burns, which is very dangerous if used in the wrong way.
  3. If a fuel burns in too little oxygen then carbon (?) is made.
  4. A stored source of energy.
  5. A type of energy, which is also named in the fire triangle.
  6. These chips can be added to acid to make carbon dioxide.
  7. Metal that burns with oxygen to make magnesium oxide.

15 Clues: A stored source of energy. • Used as a fuel in some cars. • The chemical produced in a chemical reaction. • The chemical that goes into a chemical reaction. • White substance found in some fire extinguishers. • Metal that burns with oxygen to make magnesium oxide. • These chips can be added to acid to make carbon dioxide. • ...