chemical reaction Crossword Puzzles

Cellular Respiration: 6.1-6.3 Vocabulary Review 2025-01-23

Cellular Respiration: 6.1-6.3 Vocabulary Review crossword puzzle
Across
  1. The act of breathing again
  2. Life not requiring air
  3. The liquid part of the cell
  4. Energy made from leftover parts of glucose
  5. Proteins that help speed up chemical reactions
  6. The first stage of cellular respiration
Down
  1. An organism that does not make its own food
  2. Life requring air
  3. The chemicals that go into a chemical reaction
  4. The second stage of cellular respiration
  5. The powerhouse of the cell
  6. The chemicals produced by a chemical reaction
  7. The cell's main source of energy

13 Clues: Life requring air • Life not requiring air • The powerhouse of the cell • The act of breathing again • The liquid part of the cell • The cell's main source of energy • The first stage of cellular respiration • The second stage of cellular respiration • Energy made from leftover parts of glucose • An organism that does not make its own food • ...

Balancing Equations 2021-05-29

Balancing Equations crossword puzzle
Across
  1. When both sides of the equation do not have the same amount of matter
  2. The law that states that matter cannot be created or destroyed.
  3. When both sides of the equation are equal; no mass was created or destroyed during the reaction.
  4. the small number on the right side of an atom showing the number of atoms there are.
Down
  1. Has a reactant side, an arrow, and a product side.
  2. Atoms can never be ___ or ___ in a chemical reaction
  3. substance prior to the chemical reaction.
  4. reaction, arrow, products.
  5. anything that has mass and takes up. space
  6. substance after the chemical reaction.

10 Clues: reaction, arrow, products. • substance after the chemical reaction. • substance prior to the chemical reaction. • anything that has mass and takes up. space • Has a reactant side, an arrow, and a product side. • Atoms can never be ___ or ___ in a chemical reaction • The law that states that matter cannot be created or destroyed. • ...

Unit 4 Vocabulary 2024-03-26

Unit 4 Vocabulary crossword puzzle
Across
  1. A carbon-hydrogen compound reacts with oxygen to form water and carbon dioxide
  2. A scale where the higher the number, the stronger the base, and the lower the number, the stronger the acid
  3. Atoms of one element replace the atoms of another element in a compound
  4. A substance that when dissolved in water, increases the amount of H+ ions, any substance that can donate a proton
  5. A formula which has been reduced to the lowest terms
  6. The starting substances usually to the left of the arrow
  7. A substance that when dissolved in water, increases the amount of OH− ions, any substance that can accept a proton
  8. The ratio between the mass and amount of substance (measured in moles) of any sample
  9. The product of a reaction between an acid and a base
  10. The substances formed during the reaction, usually to the right of the arrow
  11. States that all matter is neither created nor destroyed in a chemical reaction. All chemical reactions obey this law
Down
  1. Two or more compounds change ions and form different compounds
  2. A single compound breaks down into two or more substances
  3. Tells the amount of a certain component within an item
  4. The actual formula of a compound
  5. The number written in front of each reactant of product
  6. A single product is formed from two or more simpler substances
  7. A reaction between an acid and a base that forms water and salt, the number of H+ and OH− ions are equal
  8. The small numbers directly to the right of the element symbol

19 Clues: The actual formula of a compound • A formula which has been reduced to the lowest terms • The product of a reaction between an acid and a base • Tells the amount of a certain component within an item • The number written in front of each reactant of product • The starting substances usually to the left of the arrow • ...

Crossword 2024-09-05

Crossword crossword puzzle
Across
  1. color
  2. gases
  3. freezing
  4. change
  5. cooking
  6. cracking
  7. crush
  8. cut
  9. breaking
  10. production
  11. bubbles
  12. chemical
Down
  1. boil
  2. tearing
  3. rusting
  4. matter
  5. sharpening
  6. dissolving
  7. temperature
  8. odor

20 Clues: cut • boil • odor • color • gases • crush • change • matter • tearing • rusting • cooking • bubbles • freezing • cracking • breaking • chemical • sharpening • dissolving • production • temperature

IGCSE - Topic 5 - Energetics 2023-12-04

IGCSE - Topic 5 - Energetics crossword puzzle
Across
  1. The energy required to break one mole of bonds in a substance.
  2. The transfer of thermal energy between substances due to a temperature difference.
  3. A chemical reaction that absorbs heat energy from the surroundings.
  4. The minimum energy required for a reaction to occur.
  5. A device used to measure the heat released or absorbed in a chemical or physical process.
  6. The total kinetic and potential energy of the particles in a substance.
  7. The energy of motion.
Down
  1. The enthalpy change when one mole of reactants reacts completely to form products under standard conditions.
  2. Defined conditions for measuring enthalpy changes, including a pressure of 1 atm and a temperature of 298 K.
  3. Stored energy that an object possesses due to its position or state.
  4. The heat energy change at constant pressure in a chemical reaction.
  5. A chemical reaction that releases heat energy to the surroundings.

12 Clues: The energy of motion. • The minimum energy required for a reaction to occur. • The energy required to break one mole of bonds in a substance. • A chemical reaction that releases heat energy to the surroundings. • The heat energy change at constant pressure in a chemical reaction. • A chemical reaction that absorbs heat energy from the surroundings. • ...

Chemistry Crossword 2019-11-08

Chemistry Crossword crossword puzzle
Across
  1. Metals most reactive metal
  2. System a system which occurs in a given area
  3. compound non-metal+ non-metal
  4. Substance made up of one type of matter
  5. word that means 3
  6. releases heat energy
  7. cloudy mixture that can be separated
  8. a new substance produced in a chemical reaction between reactants
  9. in between metals and non-metals
  10. chemical combination of two or more elements in a specific ratio
  11. word that means 5
  12. Gases the most stable and unreactive
  13. word that means 1
Down
  1. ionized gas
  2. word that means 2
  3. absorbs heat energy
  4. columns
  5. made up of two or more substances combined together
  6. rows
  7. cloudy mixture that cannot be separated
  8. word that means 4
  9. compound metal+non-metal
  10. word that means 6
  11. is the most abundant in the Periodic Table of Elements
  12. system a system which one or more products of a chemical reaction can escape

25 Clues: rows • columns • ionized gas • word that means 2 • word that means 3 • word that means 4 • word that means 6 • word that means 5 • word that means 1 • absorbs heat energy • releases heat energy • compound metal+non-metal • Metals most reactive metal • compound non-metal+ non-metal • in between metals and non-metals • cloudy mixture that can be separated • Gases the most stable and unreactive • ...

chem cross word 2023-10-02

chem cross word crossword puzzle
Across
  1. non-reactive
  2. moving-elements
  3. 15-metallic-elements
  4. formed-substance
  5. change-in-matter
  6. number-of-protons
  7. reaction-in-substance
  8. average-weight
  9. not-metal
  10. non/metal-characteristics
  11. liquid-solid
  12. solid-solution
  13. being-shaped
  14. non-metals
  15. has-shape
  16. are-uniform
  17. no-shape-volume
  18. change-in-substance
  19. gas-liquid
  20. two-substances-mixed
  21. element-sheet
  22. depends-on-size
  23. not-uniform
Down
  1. sample-of-matter
  2. earth-metals
  3. building-block
  4. characteristic-observed-solid
  5. horizontal-row
  6. depends-on-matter
  7. unstable
  8. most-reactive-metals
  9. substance-properties
  10. cant-be-broke-substance
  11. letters
  12. size
  13. solid-liquid
  14. conduct-heat-electric
  15. gas-liquid
  16. no-definite-volume
  17. takes-up-space
  18. vertical-row

41 Clues: size • letters • unstable • not-metal • has-shape • non-metals • gas-liquid • gas-liquid • are-uniform • not-uniform • earth-metals • non-reactive • liquid-solid • being-shaped • solid-liquid • vertical-row • element-sheet • building-block • horizontal-row • average-weight • solid-solution • takes-up-space • moving-elements • no-shape-volume • depends-on-size • sample-of-matter • formed-substance • change-in-matter • ...

Chem Bonus 2023-04-24

Chem Bonus crossword puzzle
Across
  1. Simplest unit of a covalent bond
  2. JJ Thompson discovered ____
  3. Freezing is an _____ reaction
  4. the concave or convex surface of a liquid
  5. A measure of how strongly atoms attract bond electrons to themselves
  6. James Chadwick discovered the _____
  7. Type of elements that form covalent bonds
  8. A solid produced during a chemical reaction
  9. ______ molecules cannot be dissolved in water
  10. Substances that are volatile vaporize easily
Down
  1. Metals tend to ___ electrons in chemical reactions
  2. measured as half the distance between the nuclei of atoms of an element
  3. Type of elements that form ionic bonds
  4. Standard unit for 6.02*10^23
  5. The maximum amount ofsolute that will dissolve in a given amount of solvent at a specific temperature
  6. Phase change from solid to gas
  7. Nonmetals tend to ___ electrons in chemical reactions
  8. Cannot be dissolved
  9. The total amount of energy; movement
  10. 8 Valence electrons make an _____

20 Clues: Cannot be dissolved • JJ Thompson discovered ____ • Standard unit for 6.02*10^23 • Freezing is an _____ reaction • Phase change from solid to gas • Simplest unit of a covalent bond • 8 Valence electrons make an _____ • James Chadwick discovered the _____ • The total amount of energy; movement • Type of elements that form ionic bonds • the concave or convex surface of a liquid • ...

Chemistry 2023-04-24

Chemistry crossword puzzle
Across
  1. a biological catalyst that speeds up a chemical reaction
  2. a type of reaction when water vapor, and carbon dioxide
  3. a solution that contains the maximum amount of solution
  4. cannot be dissolved in water
  5. all numbers should be written in this form in a chemistry equation
  6. releasing of energy
  7. substance going from a water to gas
  8. poor electrical conductors
  9. the elements in the front part of a chemical equation
  10. can conduct energy very well
Down
  1. negatively charged atoms
  2. a branch of chemistry that allows you to see the transfer of energy
  3. positively charged atoms
  4. substance going from solid straight to
  5. the thing that organizes all of the elements
  6. neutral atoms
  7. the absorption of energy
  8. how close a series of measurements are to each other
  9. the elements after the arrow in a chemical equation
  10. substances that can be dissolved
  11. can speed up the dissolving rate

21 Clues: neutral atoms • releasing of energy • negatively charged atoms • positively charged atoms • the absorption of energy • poor electrical conductors • cannot be dissolved in water • can conduct energy very well • substances that can be dissolved • can speed up the dissolving rate • substance going from a water to gas • substance going from solid straight to • ...

chemistry 2024-01-23

chemistry crossword puzzle
Across
  1. changes shape and volume
  2. electrons are 'parked' here
  3. what you start with in a chemical reaction
  4. makes it rain!
  5. more protons than electrons
  6. we did this in class with dry ice
  7. a product of combustion
  8. a type of fuel
  9. discovered the positive atomic nucleus
  10. eg. water boiling
  11. where protons and neutrons are found
  12. negative atomic particle
  13. particles vibrate in place
  14. two or more particles not chemically bound
Down
  1. anything on the periodic table
  2. a reaction where new products are formed
  3. atomic #8
  4. protons minus electrons
  5. protons plus electrons
  6. volume doesn't change but shape can
  7. two different atoms joined by chemical bond
  8. a charged particle
  9. this type of bond gives water cohesion
  10. more electrons than protons
  11. determines which element you have
  12. affect mass number but not atomic number
  13. same #protons, diff# neutrons
  14. # 5

28 Clues: # 5 • atomic #8 • makes it rain! • a type of fuel • eg. water boiling • a charged particle • protons plus electrons • protons minus electrons • a product of combustion • changes shape and volume • negative atomic particle • particles vibrate in place • electrons are 'parked' here • more protons than electrons • more electrons than protons • same #protons, diff# neutrons • ...

Science menu project 2023-12-13

Science menu project crossword puzzle
Across
  1. Gets car power to un
  2. Uses heat and thermal
  3. Power that can be changed
  4. Use of a reaction to produce electricity
  5. Vibrations that reach the human ear as sound
  6. Movement of electrons
  7. Chemical
  8. Particularly as measured by radiometry
  9. Strength and vitality required for sustained physical or metal activity
  10. To bring closer
  11. Random bouncing atoms
  12. The flow of electrical charge
  13. A type of kinetic energy that travels in waves
  14. is Sum of potential energy and kinetic energy
Down
  1. is the process of changing energy from one form to another
  2. Form An elastic is stored in an elastic object
  3. Created from the vibration of atoms
  4. Potential energy a massive object has in relation to another object
  5. Substance that gets released when it goes through a chemical reaction
  6. Sound and light
  7. Energy is stored in objects as objects move faster

21 Clues: Chemical • To bring closer • Sound and light • Gets car power to un • Uses heat and thermal • Movement of electrons • Random bouncing atoms • Power that can be changed • The flow of electrical charge • Created from the vibration of atoms • Particularly as measured by radiometry • Use of a reaction to produce electricity • Vibrations that reach the human ear as sound • ...

Unit 2 Chemistry 2024-01-22

Unit 2 Chemistry crossword puzzle
Across
  1. may be observed in a chemical reaction
  2. techniques for separating the components
  3. energy that comes from motion
  4. conversion of a liquid into vapor
  5. substance is at its melting/freezing point
  6. substance that can be broken down
  7. chemical reaction
  8. a gas changes into a solid
  9. Non uniform composition
  10. property of matter which reflects quantity of energy
  11. from liquid or solid state to gaseous phase
  12. condensing
  13. Material composed of two or more simpler substances
  14. characteristics of a substance that can be observed
Down
  1. same proportions in a given sample
  2. transition from solid to a gas
  3. form of matter is altered 1 thing stays the same
  4. absorbs heat
  5. the energy stored in atoms
  6. phase change of matter that results in a soolid
  7. separates solid particles from to liquid/gas.
  8. A form of matter that has a specific composition
  9. Releases heat
  10. chemical substance that cannot be broken down

24 Clues: condensing • absorbs heat • Releases heat • chemical reaction • Non uniform composition • a gas changes into a solid • the energy stored in atoms • energy that comes from motion • transition from solid to a gas • conversion of a liquid into vapor • substance that can be broken down • same proportions in a given sample • may be observed in a chemical reaction • ...

Chase whittaker unit 2 2025-03-21

Chase whittaker unit 2 crossword puzzle
Across
  1. molecules naturally move from being clustered
  2. Made by molecules
  3. Basic unit of matter
  4. water hating
  5. One of two important parts that are needed during a chemical reaction
  6. Made up by all of the organ systems
  7. Basic unit of life function of living things
  8. Energy Required for your reactions and metabolism
  9. Permeable only allowscertain molecules in or out of the cell
  10. Combine to form organs
  11. Made by atoms
Down
  1. transport A method of moving to get passed the membrane without using any energy
  2. Special protein that speeds up chemical reactions
  3. Make up the organ system
  4. the diffusion of water across the membrane
  5. water loving
  6. system Made up by organs
  7. A molecule containing one hydrophilic
  8. The other important part in the chemical reaction
  9. transport A method of moving to get passed the membrane using energy
  10. Site Where the enzyme and the substrate meet
  11. An enzyme that has gotten messes up and can no longer be used

22 Clues: water loving • water hating • Made by atoms • Made by molecules • Basic unit of matter • Combine to form organs • Make up the organ system • system Made up by organs • Made up by all of the organ systems • A molecule containing one hydrophilic • the diffusion of water across the membrane • Basic unit of life function of living things • ...

Chapter 2 2023-06-13

Chapter 2 crossword puzzle
Across
  1. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  2. A substance made up of atoms of two or more different elements joined by chemical bonds
  3. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
  4. smallest unit of most compounds
  5. A type of protein that acts as a catalyst speeding up a chemical reaction in a living thing
  6. (bond)attractive force that holds atoms or ions together
  7. an attraction between molecules of the same substance
  8. the minimum amount of energy required to start a chemical reaction
Down
  1. A pure substance made of only one kind of atom
  2. (acid)macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus, present in DNA and RNA
  3. attraction between molecules of different substances
  4. A substance that decreases the hydrogen ion concentration in a solution, 8-14 on the pH scale
  5. basic unit of matter
  6. (scale)measurement system used to indicate the concentration of hydrogen ions (H+) in solution, how acidic or basic the solution is; ranges from 0 to 14
  7. (bond)weak attraction between a hydrogen atom and another atom
  8. macromolecule made up of carbon, hydrogen, and oxygen atoms; major source of QUICK energy for the human body
  9. A mixture that forms when one substance dissolves another
  10. A substance that increases the hydrogen ion concentration of a solution, 1-6 on the pH scale
  11. substance that speeds up the rate of a chemical reaction

19 Clues: basic unit of matter • smallest unit of most compounds • A pure substance made of only one kind of atom • attraction between molecules of different substances • an attraction between molecules of the same substance • (bond)attractive force that holds atoms or ions together • substance that speeds up the rate of a chemical reaction • ...

Science crossword 2022-09-06

Science crossword crossword puzzle
Across
  1. The new substance that is made after a chemical reaction occurs
  2. What we use to describe what is happening in a chemical reaction
  3. Liquid to Gas
  4. The substance we start with in a chemical reaction
  5. The process where no new substance is made
Down
  1. The process of a liquid to a solid
  2. The process where a new substance is made
  3. One of the reactants of photosynthesis
  4. All living things do this
  5. needed for photosynthesis to occur

10 Clues: Liquid to Gas • All living things do this • The process of a liquid to a solid • needed for photosynthesis to occur • One of the reactants of photosynthesis • The process where a new substance is made • The process where no new substance is made • The substance we start with in a chemical reaction • The new substance that is made after a chemical reaction occurs • ...

Topics 1-3 Crossword 2013-12-10

Topics 1-3 Crossword crossword puzzle
Across
  1. unnatural or simulated
  2. fertilizer consisting of potassium nitrate or sodium nitrate
  3. protein molecule in living organisms
  4. chemical used to control molds and fungi
  5. discharging
  6. chemical used to control weeds
  7. invertebrate of the phylum Arthropods
  8. pH value of less than 7
  9. natural process or in return for cultivation
Down
  1. speeds up a chemical reaction
  2. chemical used to control pests
  3. chemical used to control insects
  4. mixture of plant compounds used as a chemical indicator
  5. providing nourishment
  6. any substance used to fertilize the soil
  7. something annoying or troublesome
  8. pH value of more than 7
  9. oxygen combines with other elements to from new substances

18 Clues: discharging • providing nourishment • unnatural or simulated • pH value of more than 7 • pH value of less than 7 • speeds up a chemical reaction • chemical used to control pests • chemical used to control weeds • chemical used to control insects • something annoying or troublesome • protein molecule in living organisms • invertebrate of the phylum Arthropods • ...

SC2 2015-05-11

SC2 crossword puzzle
Across
  1. unit is the empirical formula of any ionic or covalent network solid compound used as an independent entity for stoichiometric calculations
  2. the calculation of relative quantities of reactants and products in chemical reactions
  3. vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substanced
  4. state of matter consisting of particles that have neither a defined volume nor defined shape
  5. is when oxygen combines with another compound to form water and carbon dioxide
  6. a type of chemical reaction in which two or more simple substances combine to form a more complex product
  7. the quantity of three-dimensional space occupied by a liquid,solid,or gas
Down
  1. a substance that is formed as the result of a chemical reaction.
  2. a unit of measurement used in chemistry to express amounts of a chemical substance
  3. a substance that takes part in and undergoes change during a reaction
  4. a type of chemical reaction where one reactant yields two or more products
  5. displacement This is when the anions and cations of two different molecules switch places, forming two entirely different compounds
  6. displacement This is when one element trades places with another element in a compound
  7. mass the mass of a given substance divided by its amount of substance
  8. a property of a physical body which determines the strength of its mutual gravitational attraction to other bodies

15 Clues: a substance that is formed as the result of a chemical reaction. • a substance that takes part in and undergoes change during a reaction • mass the mass of a given substance divided by its amount of substance • the quantity of three-dimensional space occupied by a liquid,solid,or gas • a type of chemical reaction where one reactant yields two or more products • ...

Science 2021-10-23

Science crossword puzzle
Across
  1. - The degree or intensity of heat present in a substance or object
  2. - of or at a low relatively low temperature
  3. of Energy - Energy can neither be created or destroyed
  4. - Substances that undergo a chemical reaction
  5. - A reaction or process accompanied by the release of heat
  6. Reaction - A type of reaction in which multiple reactants are combined to from a single product
  7. Theory - The body of theory which explains they physical properties of matter in terms of the motions of its constituent particles
  8. Energy - Stored energy that is available to do work at a later time
  9. - The work or energy in the international system of units
  10. - The condition of being hot
Down
  1. Reaction - When one or more substances are converted into different substances with different properties.
  2. - A unit defined as the amount of heat needed to raise the temperature of a quantity of water by 1 degree
  3. of Mass - Mass cannot be created or destroyed
  4. - A reaction in which the nucleus of an atom splits into 2 or more smaller nuclei
  5. - A set of procedures according to which something is done
  6. Equation - symbols and formulas to represent the products and reactants in a chemical reaction
  7. of Thermodynamics - Matter and its mass cannot be created or destroyed
  8. - Substances that are produced by the reactions
  9. Energy - Energy of motion
  10. - The ability to do work

20 Clues: - The ability to do work • Energy - Energy of motion • - The condition of being hot • - of or at a low relatively low temperature • of Mass - Mass cannot be created or destroyed • - Substances that undergo a chemical reaction • - Substances that are produced by the reactions • of Energy - Energy can neither be created or destroyed • ...

Chapter 13 Crossword- Madalynn Peluso 2017-10-11

Chapter 13 Crossword- Madalynn Peluso crossword puzzle
Across
  1. A substance that accepts hydrogen ions.
  2. Description of a substance that can behave as either an acid or a base.
  3. A substance that donates hydrogen ions.
  4. A reaction between an acid and a base.
  5. An ionic compound formed from the reaction between an acid and a base.
Down
  1. The process by which a reactant gains one or more electrons.
  2. Description of a chemical reaction in which there is a net absorption of energy.
  3. A process by which a reactant loses one or more electrons.
  4. The new materials formed in a chemical reaction.
  5. The reacting substances in a chemical reaction.

10 Clues: A reaction between an acid and a base. • A substance that accepts hydrogen ions. • A substance that donates hydrogen ions. • The reacting substances in a chemical reaction. • The new materials formed in a chemical reaction. • A process by which a reactant loses one or more electrons. • The process by which a reactant gains one or more electrons. • ...

Chapter 13 - Bekah Bowser 2019-03-01

Chapter 13 - Bekah Bowser crossword puzzle
Across
  1. The new materials formed in a chemical reaction.
  2. An ionic compound commonly formed from the reaction between an acid and a base.
  3. A reaction between an acid and a base.
  4. The process by which a reactant loses one or more electron.
  5. The reacting substances in a chemical reaction.
  6. A substance that donates hydrogen ions.
Down
  1. A substance that accepts hydrogen ions.
  2. The deterioration of a metal, typically caused by atmospheric oxygen.
  3. Description of a chemical reaction in which there is a net release of energy.
  4. The process by which a reactant gains one or more electrons.

10 Clues: A reaction between an acid and a base. • A substance that accepts hydrogen ions. • A substance that donates hydrogen ions. • The reacting substances in a chemical reaction. • The new materials formed in a chemical reaction. • The process by which a reactant loses one or more electron. • The process by which a reactant gains one or more electrons. • ...

Chapter 13 crossword-Tommy 2020-10-18

Chapter 13 crossword-Tommy crossword puzzle
Across
  1. Is a substance that lowers the activation energy of a chemical reaction
  2. Bond Energy is also known as _______
  3. When water behaves as an acid, what does it
  4. No atoms are gained or lost during any reaction
  5. In an _____ reaction there is a net release of energy
Down
  1. if changed, the equilibrium shifts to oppose change, until new equilibrium is reached
  2. when reaction and it’s reverse act at the same rate
  3. A ____ is a chemical that accepts a hydrogen
  4. An ____ is a chemical that donates a hydrogen ion
  5. In an ____ reaction there is a net absorption of energy

10 Clues: Bond Energy is also known as _______ • When water behaves as an acid, what does it • A ____ is a chemical that accepts a hydrogen • No atoms are gained or lost during any reaction • An ____ is a chemical that donates a hydrogen ion • when reaction and it’s reverse act at the same rate • In an _____ reaction there is a net release of energy • ...

Thermochemistry! 2025-04-23

Thermochemistry! crossword puzzle
Across
  1. Neither matter nor energy can move in or out
  2. Absorbing thermal energy
  3. Used to measure energy changes in a chemical system
  4. A change in the chemical bonds between atoms
  5. Quantity of energy associated with the formation of one mole in their standard states
  6. A change in the form of a substance, in which no chemical bonds are broken
  7. Amount of energy transferred between substances
  8. Releasing thermal energy
  9. Both matter and energy can move in or out
  10. A chemical equation where enthalpy change value is found using step equations
  11. The energy change associated with the reaction of one mole of a substance
Down
  1. The energy change of the reaction of one mole of a substance at 100 kPa
  2. A graphical representation of the energy transferred during a physical or chemical change
  3. Energy available as a result of its moving molecules
  4. The study of energy transfer
  5. Raise the temperature mass of a substance 1°C or 1K
  6. The enthalpy change associated with a change involving one mole of a substance
  7. Average kinetic energy of the particles in a sample of matter
  8. Energy can move in or out, but not matter
  9. The study of energy involved in chemical reactions
  10. Difference in enthalpies of reactants and products during a change
  11. Everything around

22 Clues: Everything around • Absorbing thermal energy • Releasing thermal energy • The study of energy transfer • Energy can move in or out, but not matter • Both matter and energy can move in or out • Neither matter nor energy can move in or out • A change in the chemical bonds between atoms • Amount of energy transferred between substances • ...

Chemical reactions 2021-02-09

Chemical reactions crossword puzzle
Across
  1. substances destroyed by chemical reaction
  2. can be measured in Kg or g
  3. changes can be texture, shape, size...
  4. y----sign separates reactants from products
  5. states of matter - solid, liquid,---
  6. when a substance is destroyed
  7. matter is everywhere, takes up space and mass
  8. equations that show reactant and product
Down
  1. when fuel reacts with oxygen = energy
  2. a substance that can burn
  3. when a new substance is made
  4. slow chemical reaction with metal and O2
  5. physical change from liquid to gas
  6. substance created by chemical change

14 Clues: a substance that can burn • can be measured in Kg or g • when a new substance is made • when a substance is destroyed • physical change from liquid to gas • states of matter - solid, liquid,--- • substance created by chemical change • when fuel reacts with oxygen = energy • changes can be texture, shape, size... • slow chemical reaction with metal and O2 • ...

Benchmark One Vocabulary 2022-03-24

Benchmark One Vocabulary crossword puzzle
Across
  1. characteristic that can be determined without a chemical reaction; end up with same stuff after change
  2. protons + neutrons in an element; larger number
  3. neutral subatomic particle in the nucleus
  4. graphic list of all the elements
  5. mixture that does not settle
  6. evenly mixed
  7. a specific type of atom; defined by # of protons: oxygen, iron, calcium
  8. mixture that will settle
Down
  1. number of protons in an element; defines the element; smaller number
  2. Characteristic that can be determined only with a chemical reaction
  3. unevenly mixed
  4. negatively charged subatomic particle outside the nucleus
  5. basic building block of matter made of 3 subatomic particles-- protons, neutrons, electrons
  6. two or more atoms chemically combined
  7. also known as Atomic symbol; the letters; only one capital letter per element
  8. simplest form of a substance
  9. two or more substances physically combined; can be separated by physical methods
  10. positively charged subatomic particle in the nucleus
  11. center of atom

19 Clues: evenly mixed • unevenly mixed • center of atom • mixture that will settle • simplest form of a substance • mixture that does not settle • graphic list of all the elements • two or more atoms chemically combined • neutral subatomic particle in the nucleus • protons + neutrons in an element; larger number • positively charged subatomic particle in the nucleus • ...

Biology 2026-03-03

Biology crossword puzzle
Across
  1. The sum of all chemical reactions happening in a cell
  2. Anabolic reactions build larger molecules from smaller ones, using a net input of energy (endergonic)
  3. A reaction that absorbs free energy from the surroundings
  4. A reaction that has a net release of free energy
  5. Catabolic reactions break down larger molecules into smaller ones with a net release of energy (exergonic)
  6. New substances formed from a result of that reaction
Down
  1. energy Minimum energy required to bring reactants together and start chemical reactions
  2. fit A flexible active site that changes shape to the substrate as they bond together
  3. Reduce or stops the enzymes from functioning
  4. Organic cofactors
  5. Starting substances in a chemical reaction that undergo change
  6. and key The active sites as having a set shape. The substrate molecules fit perfectly into active site, like a key in a lock. Once in the active site, the chemical reactions can take place.

12 Clues: Organic cofactors • Reduce or stops the enzymes from functioning • A reaction that has a net release of free energy • New substances formed from a result of that reaction • The sum of all chemical reactions happening in a cell • A reaction that absorbs free energy from the surroundings • Starting substances in a chemical reaction that undergo change • ...

Biology Banco- Crossword 2014-02-27

Biology Banco- Crossword crossword puzzle
Across
  1. this contains hydrogen,carbon and oxygen
  2. removal of waste products of metabolism
  3. this contains the cells genetic information
  4. this determines how hot or cold something is
  5. site of aerobic respiration
  6. ability to detect and respond to stimuli
  7. a group of cells that carry out functions
Down
  1. plot on this
  2. the ability to make new individuals of the same kind
  3. site of chemical reactions in the cell
  4. chemical reaction in which nutrients are broken down to release energy
  5. biological catalyst
  6. a permanent increase in dry mass
  7. taking in nutrients such as organic compounds and minerals
  8. plant cell walls are made of this
  9. keeping internal conditions constant
  10. this is what determines if something is acidic or alkaline
  11. speeds up rate of chemical reaction whilst remaining unchanged
  12. site of protein synthesis
  13. all living things are made of this

20 Clues: plot on this • biological catalyst • site of protein synthesis • site of aerobic respiration • a permanent increase in dry mass • plant cell walls are made of this • all living things are made of this • keeping internal conditions constant • site of chemical reactions in the cell • removal of waste products of metabolism • this contains hydrogen,carbon and oxygen • ...

Coordinated Body Systems Review 2026-02-23

Coordinated Body Systems Review crossword puzzle
Across
  1. chemical messengers
  2. made up of a bundle of neurons
  3. neuron type that connects other neurons to each other
  4. quick, automatic actions that protect the body from danger
  5. part of the brain responsible for coordination and balance
  6. space between two neurons
  7. reaction type that breaks down complex molecules into smaller ones
Down
  1. neuron type that sends signals to muscles
  2. a nerve fiber that sends signals away from the neuron
  3. a nerve cell
  4. neuron type that receives signals from sense organs
  5. part of the brain that controls conscious thought
  6. process of maintaining a constant internal environment
  7. all of the chemical reactions occurring in cells
  8. branches of the neuron that recieve signals
  9. part of the brain that control breathing, blood pressure, heart rate
  10. organs of the endocrine system
  11. proteins that speed up chemical reactions
  12. the brain and the spinal cord
  13. reaction type that makes complex molecules from smaller ones

20 Clues: a nerve cell • chemical messengers • space between two neurons • the brain and the spinal cord • made up of a bundle of neurons • organs of the endocrine system • neuron type that sends signals to muscles • proteins that speed up chemical reactions • branches of the neuron that recieve signals • all of the chemical reactions occurring in cells • ...

Types of Reactions 2024-05-06

Types of Reactions crossword puzzle
Across
  1. formed when iron gets corroded
  2. a more reactive element displaces another in a compound
  3. reaction that includes decomposition by sunlight
  4. a type of decomposition using heat
  5. reaction that takes in heat energy
  6. gain of hydrogen
  7. chemical reaction where one product formed is a precipitate
  8. exposure of metals to air and water
Down
  1. reaction that gives out heat energy
  2. gas of brown color
  3. reaction involving breakdown of one reactant into several products
  4. a type of reaction where acid and base combine to form salt and water
  5. equal numbers of atoms
  6. two reactants combine to form a single product
  7. type of reaction involving oxidation and reduction

15 Clues: gain of hydrogen • gas of brown color • equal numbers of atoms • formed when iron gets corroded • a type of decomposition using heat • reaction that takes in heat energy • reaction that gives out heat energy • exposure of metals to air and water • two reactants combine to form a single product • reaction that includes decomposition by sunlight • ...

Think Like a Scientist 2026-01-18

Think Like a Scientist crossword puzzle
Across
  1. – Light bouncing off a surface
  2. – Substance used or made in reactions
  3. – Rules used to prevent injury in the lab
  4. – Person receiving medical care
  5. – Place where chemical experiments are done
  6. – Uses sound waves to see inside the body
  7. – Group of similar cells working together
  8. – Picture formed by reflected or refracted light
  9. – Substance with a pH higher than 7
  10. – Substance with a pH lower than 7
  11. – Energy used in some imaging methods
  12. – Uses magnets to create detailed images of the body
  13. – Direction at which light hits or leaves a surface
  14. – Smooth surface that reflects light
Down
  1. – Person who helps scientists in a laboratory
  2. – Make an image appear larger
  3. – Form of energy that allows us to see
  4. – Starting substance in a chemical reaction
  5. – Study of light and how it behaves
  6. – Identifying a disease or medical condition
  7. – Scale used to measure how acidic or basic something is
  8. – Device that uses lenses to capture images
  9. – Substance formed in a chemical reaction
  10. – Object that focuses or bends light
  11. – Structure made of tissues with a specific function
  12. – Creates 3D images using many X-rays
  13. – Light bending as it passes through materials
  14. – Process of creating pictures of the inside of the body
  15. – Imaging method used to see bones
  16. – Process where substances change into new substances

30 Clues: – Make an image appear larger • – Light bouncing off a surface • – Person receiving medical care • – Imaging method used to see bones • – Substance with a pH lower than 7 • – Study of light and how it behaves • – Substance with a pH higher than 7 • – Object that focuses or bends light • – Smooth surface that reflects light • – Substance used or made in reactions • ...

Physical/Chemical Properties/Changes Crossword 2025-12-09

Physical/Chemical Properties/Changes Crossword crossword puzzle
Across
  1. Substances formed in a chemical reaction
  2. Tendency of a liquid to resist flowing
  3. Change from liquid to gas
  4. Visible hue of a substance
  5. Physical change that breaks material into smaller pieces
  6. Change from solid to liquid
  7. Ability of a solid to be hammered without shattering
  8. Separation based on boiling points
  9. Matter with no definite shape or volume
  10. How readily a substance combines chemically
  11. Temperature where a solid becomes a liquid
  12. Ability of a substance to dissolve
  13. Solid that forms from a liquid mixture
  14. Flavor of a substance
  15. Formation of iron oxide from iron and oxygen
  16. Observable look of a substance
Down
  1. Substance showing visible change, such as color
  2. Change that alters appearance but not composition
  3. Smell of a substance
  4. Temperature where a substance boils
  5. Reaction of silver with sulfur-containing substances
  6. Characteristic observed without changing composition
  7. Starting materials in a chemical reaction
  8. Ability of a material to allow heat to flow
  9. Mass divided by volume
  10. Ability of a material to burn in oxygen
  11. Property that produces a change in composition
  12. Resistance of a substance to scratching
  13. Change that forms one or more new substances
  14. Separation based on particle size
  15. Liquid turning to gas without forming new substances

31 Clues: Smell of a substance • Flavor of a substance • Mass divided by volume • Change from liquid to gas • Visible hue of a substance • Change from solid to liquid • Observable look of a substance • Separation based on particle size • Separation based on boiling points • Ability of a substance to dissolve • Temperature where a substance boils • Tendency of a liquid to resist flowing • ...

Chem Comm 2026-04-06

Chem Comm crossword puzzle
Across
  1. molecules having translational, rotational, and vibrational motion
  2. going from a solid to a gas state skipping liquid
  3. the law of _______ of matter
  4. going from a liquid to a solid state
  5. the starting materials found on the left side of a chemical equation
  6. the ending materials found on the right side of a chemical equation
  7. the name of an OH ion
  8. going from a solid to a liquid state
  9. the electrons in the outer edge of an atom, involved in bonding
  10. going from a gas state to a solid state skipping liquid
  11. a bond where electrons are transferred from a metal to a nonmetal
  12. a reaction that releases energy
  13. a compound made of exactly two elements
  14. a group of atoms acting as a single unit with an overall charge
  15. having a definite shape and volume
Down
  1. elements that occur naturally in pairs
  2. the multiplier used to balance chemical equations
  3. going from a liquid to a gas state
  4. the small number that tells you how many of the preceding element are in a chemical
  5. state with no definite shape nor volume
  6. a measure of disorder
  7. going from a gas to liquid state
  8. having a definite volume but no definite shape
  9. a reaction that absorbs energy
  10. molecules having rotational and vibrational motion
  11. molecules having vibrational motion
  12. a reaction that requires oxygen and produces water and carbon dioxide
  13. a negative ion that has gained electrons
  14. a positive ion that has lost electrons

29 Clues: a measure of disorder • the name of an OH ion • the law of _______ of matter • a reaction that absorbs energy • a reaction that releases energy • going from a gas to liquid state • going from a liquid to a gas state • having a definite shape and volume • molecules having vibrational motion • going from a liquid to a solid state • going from a solid to a liquid state • ...

Matter, Density, Chemical Reactions 2025-06-02

Matter, Density, Chemical Reactions crossword puzzle
Across
  1. tool used to measure the mass of an object
  2. anything that has mass and takes up space
  3. a special type of mixture where the parts are so evenly combined that you can't see the separate parts.
  4. what you end up with in a chemical reaction
  5. two or more substances are mixed together and it doesn't form a chemical reaction or make a new substance
  6. tool used to measure volume of a liquid
  7. a ratio of the mass of an object to its volume, tells you how tightly packed the particles are
  8. a type of reaction where heat energy is released or given off
Down
  1. what you start off with in a chemical reaction (the ingredients)
  2. a procedure used to measure the volume of an irregularly shaped object by placing it in a known volume of liquid
  3. a type of reaction where heat energy is absorbed or taken in
  4. measure of the amount of matter in an object
  5. formula to find the volume of a regular figure
  6. formula to find the density of an object

14 Clues: tool used to measure volume of a liquid • formula to find the density of an object • anything that has mass and takes up space • tool used to measure the mass of an object • what you end up with in a chemical reaction • measure of the amount of matter in an object • formula to find the volume of a regular figure • ...

LS 2020-06-02

LS crossword puzzle
Across
  1. a attraction between different substances
  2. an organized way of using evidence to learn about the natural world
  3. these carry no charge
  4. a solution that has a higher concentration of hydrogen ions than pure water and pH values below 7
  5. a bond that is formed by the sharing of electrons between two atoms
  6. an attraction between molecules of the same substance
  7. a solution that has lower concentrations of hydrogen ions than pure water and pH values above 7
  8. a substance formed by the combination of two or more elements
  9. the center of the atom
  10. factors that can change in an experiment are known as
  11. the elements or compounds that enter into a chemical reaction
  12. If an atom gains or loses a neutron, they become this
  13. simple sugar molecules
  14. all living things are made up of these
  15. a substance composed of two or more elements or compounds that are mixed together but not chemically combined.
Down
  1. a disproved hypothesis that stated that life could arise from nonliving matter
  2. a bond that is formed by the transfer of one or more electrons from one atom to another
  3. long-chain carbohydrates
  4. a possible explanation for a set of observations or an answer to a scientific question
  5. The smallest unit of most chemical compounds
  6. a decimal system based on standards and is scaled on multiples of 10.
  7. the energy needed to get a reaction going
  8. a well-tested explanation that unifies a broad range of observations.
  9. the combination of chemical changes in which an organism builds up or breaks down materials as it carries out its life processes
  10. the substances formed by a chemical reaction
  11. compounds that prevent sharp swings of pH in living things
  12. these made up of protons, neutrons and electrons
  13. positively charged particles
  14. biological catalysts that speed up virtually every important chemical reaction that takes place in the cells
  15. negatively charged particles

30 Clues: these carry no charge • the center of the atom • simple sugar molecules • long-chain carbohydrates • positively charged particles • negatively charged particles • all living things are made up of these • a attraction between different substances • the energy needed to get a reaction going • The smallest unit of most chemical compounds • ...

Biochemestry 2013-09-11

Biochemestry crossword puzzle
Across
  1. The disaccharide component in milk, composed of the monosaccharide components glucose and galactose.
  2. fat Can't hold any more hydrogen compounds ( most found in animals).
  3. Storage compound in a plant.
  4. Type of molecule that has ratio of 2:1.
  5. Simple sugar.
  6. Something that cannot be solved or dissolved.
  7. A type of polysaccharides that storage in plant cell walls.
  8. Another way to call Amino Acids.
  9. A sweet, syrupy liquid obtained from animal fats and oils or by the fermentation of glucose.
  10. Chemical reaction that puts together two molecules by losing water molecule.
  11. Sweetest sugar found in fruits.
  12. Two sugar molecule combined by giving off water.
  13. Acids Organic compounds containing an amino group and a carboxylic acid group.
  14. The molecular unit that joins with similar units to form a polymer.
  15. A chemical reaction in which the interaction of a compound with water results in the decomposition of that compound.
  16. Has large molecules made up of many relatively simple repeated units.
Down
  1. Having been altered in natural quality.
  2. Made of one molecule of glucose and one molecule of fructose.
  3. fat Can hold more hydrogen molecules ( most found in plants).
  4. Important in membrane cell.
  5. The univalent radical, COOH, the functional group characteristic of all organic acids.
  6. Many sugars.
  7. Monomer produced in green plants by photosynthesis.
  8. Any substance containing carbon-based compounds, especially produced by or derived from living organisms.
  9. A substance that increases the rate of a chemical reaction without itself suffering any permanent chemical change.
  10. Produce by body in liver.
  11. group Chemical group attached to the alpha carbon in an amino acid ( can be 20 different type of amino acids).
  12. Acid A carboxylic acid with a long aliphatic tail (chain), which is either saturated or unsaturated.
  13. Most common type of steroid in our body.
  14. A type of protein that speeds up reaction to make them occur much faster than they would on their own.

30 Clues: Many sugars. • Simple sugar. • Produce by body in liver. • Important in membrane cell. • Storage compound in a plant. • Sweetest sugar found in fruits. • Another way to call Amino Acids. • Having been altered in natural quality. • Type of molecule that has ratio of 2:1. • Most common type of steroid in our body. • Something that cannot be solved or dissolved. • ...

Chemistry 2024-01-17

Chemistry crossword puzzle
Across
  1. A positively charged ion.
  2. The generic term given to elements that are brittle and dull.
  3. Elements that have a different number of neutrons.
  4. A negatively charged ion.
  5. The name of the elements in group 1.
  6. A negatively charged particle.
  7. This group is the most reactive and includes fluorine.
  8. The _____ number changes because isotopes have varying amounts of neutrons.
  9. Any particle that contains a charge.
  10. Electrons in the outermost shell of an atom.
  11. _______ Metals are the given name to this group of elements that have 2 ve- and a +2 charge.
  12. These metals solely make up the f-block.
  13. The new substances formed as a result of a chemical reaction.
  14. The elements that are located in 3A.
Down
  1. _____ Metals that make up the d-block.
  2. The center of an atom that is positively charged.
  3. A positively charged particle.
  4. These elements have the group number 16.
  5. An element's _____ is based on how many electrons it gains or loses.
  6. The name of this non-reactive group, full octet.
  7. Only a select few elements are lucky enough to have characteristics of metals and nonmetals.
  8. The generic term given to elements that are ductile and malleable.
  9. The branch of chemistry that deals with the quantitative relationships between reactants and products in chemical reactions.
  10. A substance formed when two or more elements chemically combine in fixed ratios.
  11. A substance that increases the rate of a chemical reaction without itself being consumed in the process.
  12. The area outside of the nucleus where the electrons reside.
  13. A particle without a charge, electrically neutral.
  14. The substances present at the beginning of a chemical reaction that undergo change to form products.
  15. A process in which substances undergo chemical changes to form new substances.
  16. A pure substance made up of only one type of atom, characterized by its unique atomic number.
  17. The name of the elements that have 5 valence electrons

31 Clues: A positively charged ion. • A negatively charged ion. • A positively charged particle. • A negatively charged particle. • The name of the elements in group 1. • Any particle that contains a charge. • The elements that are located in 3A. • _____ Metals that make up the d-block. • These elements have the group number 16. • These metals solely make up the f-block. • ...

Palmer 7th Science Semester Review 2025-12-18

Palmer 7th Science Semester Review crossword puzzle
Across
  1. A group of atoms bonded together.
  2. reaction Molecules that make up old substances can be broken apart and the atoms that make them up can be rearranged into new molecules to make new substances..
  3. positively charged particle within an atom's nucleus
  4. A statement that predicts the outcome of an experiment.
  5. make unnaturally sensitive.
  6. uncharged particle within an atom’s nucleus
  7. The stored energy an object has.
  8. The transfer of energy by electromagnetic waves.
  9. Outside, releases heat energy, temperature increases
  10. A material that conducts heat and electricity well
  11. negatively charged particle located in the shells/electron cloud that surround the atom’s nucleus
  12. Made of one type of material throughout.
  13. The basic unit of a chemical element.
  14. The part that is manipulated or changed in an experiment.
  15. A material that does not conduct heat or electricity well
  16. to take into the body.
Down
  1. material that is too small to see & mixes with a liquid, it can dissolve in something else.
  2. How a substance interacts with fire.
  3. a push or a pull
  4. The energy an object has due to its motion.
  5. Heat transfer that occurs through liquids and gasses
  6. A property of a liquid that describes how fast or slowly it will flow.
  7. a place equipped for scientific experiments.
  8. A characteristic of a substance that does not change.
  9. smallest unit of an element
  10. The ability to do work.
  11. The transfer of heat through direct contact
  12. substances you start with before a chemical reaction occurs.
  13. An act of gathering information using one or more senses.
  14. central part of the atom, composed of protons and neutrons, contains most of an atom’s mass
  15. carry through the air.
  16. Within, chemical reaction that absorbs energy, surrounding temps decrease
  17. How much matter in a certain space.
  18. new substances that are produced from a chemical reaction.

34 Clues: a push or a pull • carry through the air. • to take into the body. • The ability to do work. • make unnaturally sensitive. • smallest unit of an element • The stored energy an object has. • A group of atoms bonded together. • How much matter in a certain space. • How a substance interacts with fire. • The basic unit of a chemical element. • Made of one type of material throughout. • ...

Chapter 8 2021-03-09

Chapter 8 crossword puzzle
Across
  1. chemical reaction that builds molecules
  2. the amount of energy at rest
  3. releases energy
  4. energy transformation causes increase of entropy
  5. absorbs energy
Down
  1. chemical formula for glucose
  2. energy can't b created or destroyed
  3. the amount of energy in motion
  4. chemical reaction the breaks down molecules
  5. measure of disorder
  6. capacity to do work or cause change

11 Clues: absorbs energy • releases energy • measure of disorder • chemical formula for glucose • the amount of energy at rest • the amount of energy in motion • energy can't b created or destroyed • capacity to do work or cause change • chemical reaction that builds molecules • chemical reaction the breaks down molecules • energy transformation causes increase of entropy

Science Vocab 2013-12-18

Science Vocab crossword puzzle
Across
  1. a law that states a that matter can't be created or destroyed
  2. on the right side of chemical reaction
Down
  1. is one substance and changes to a different substance
  2. atoms that electrons arranged in energy levels
  3. gives off more energy than required
  4. 2H2 +02 > 2H20
  5. absorbs heat
  6. speeds up a chemical equation
  7. they slow down a chemical reaction
  8. on the lefts side of a chemical equation
  9. a biological substance

11 Clues: absorbs heat • 2H2 +02 > 2H20 • a biological substance • speeds up a chemical equation • they slow down a chemical reaction • gives off more energy than required • on the right side of chemical reaction • on the lefts side of a chemical equation • atoms that electrons arranged in energy levels • is one substance and changes to a different substance • ...

Science Revision 2022-05-26

Science Revision crossword puzzle
Across
  1. When an acid and alkali are mixed together it is call
  2. what salt is made when copper oxide is mixed with sulphuric acid
  3. This is on the ph scale which is above 7
  4. When a chemical changes it is called a ________ reaction
  5. this happens when a liquid turns into gas
  6. the smallest particle of an element
Down
  1. this is used to test wheter the substance is an alkali or an acid
  2. what is the substance that is affected during chemical reaction called
  3. this happens when a solid turns into a liquid
  4. when a reaction occurs but there is no new substance it is called a ________ reaction
  5. when neutralisation happens the products are water and ____
  6. This is on the ph scale which is below 7

12 Clues: the smallest particle of an element • This is on the ph scale which is above 7 • This is on the ph scale which is below 7 • this happens when a liquid turns into gas • this happens when a solid turns into a liquid • When an acid and alkali are mixed together it is call • When a chemical changes it is called a ________ reaction • ...

Chemistry Terminology II 2019-02-25

Chemistry Terminology II crossword puzzle
Across
  1. adenosine triphosphate
  2. a chemical substance that resists changes in the pH of a solution
  3. P
  4. the basic structural components of proteins (2 words)
  5. subatomic particle that orbits around the nucleus of an atom and has a negative charge
  6. any atom that has lost or gained one or more electrons
  7. K
  8. C
  9. the combined weight of protons and neutrons for a given atom (2 words)
  10. a molecule consisting of chains of hundreds or thousands of amino acids
  11. the orbital paths of electrons found at varying distances from the nucleus of an atom (2 words)
  12. H
  13. molecules that contain carbon and are the principle materials that makeup living things
  14. O
Down
  1. H2O
  2. molecules that when dissolved in water dissociate into cations and anions
  3. chemical reaction in which large organic molecules are formed from smaller units by the removal of water
  4. matter composed entirely of atoms of the same kind
  5. Cl
  6. a substance that influences the rate of a chemical reaction but is not altered during the reaction
  7. a blood pH that is below 7.35
  8. Zn
  9. the number of protons within an atom (2 words)
  10. NaCl

24 Clues: P • K • C • H • O • Cl • Zn • H2O • NaCl • adenosine triphosphate • a blood pH that is below 7.35 • the number of protons within an atom (2 words) • matter composed entirely of atoms of the same kind • the basic structural components of proteins (2 words) • any atom that has lost or gained one or more electrons • a chemical substance that resists changes in the pH of a solution • ...

Chemistry of Life 2013-09-20

Chemistry of Life crossword puzzle
Across
  1. a substance that participates in a chemical reaction
  2. biomolecule made of sugars
  3. a mixture in which molecules of one or more substances are evenly distributed
  4. a fat molecule made of carbon and hydrogen
  5. a molecule made up of sugar, base and phosphate group
  6. chains of amino acids that twist and fold into certain shapes that determine what proteins do
  7. single sugar
  8. a molecule that acts as a catalyst in biochemical reactions
  9. water can not dissolve substances
  10. smallest unit of matter
  11. material that contains information that determines inherited characteristics
  12. a compound that forms extra OH- ions
  13. a substance that forms in a chemical reaction
  14. an organic molecule that acts as the main energy source for cell processes
Down
  1. the site that attaches to a substrate
  2. compound that forms extra H+ ions
  3. the minimum amount of energy required to start a chemical reaction
  4. acid a long chain of nucleotide units
  5. the reactant in reactions catalyzed by enzymes
  6. building blocks that link to form proteins
  7. a value that is used to express the acidity or basicity of a system
  8. water is a substance

22 Clues: single sugar • smallest unit of matter • biomolecule made of sugars • water is a substance • compound that forms extra H+ ions • a compound that forms extra OH- ions • the site that attaches to a substrate • acid a long chain of nucleotide units • water can not dissolve substances • a fat molecule made of carbon and hydrogen • ...

Exam 1 Review 2023-09-07

Exam 1 Review crossword puzzle
Across
  1. digest molecules
  2. the post office of the cell
  3. scared of water
  4. monomers that make polypeptides
  5. polymer of a carbohydrate
  6. 1 to 6 on the pH scale
  7. carbohydrates, lipids, proteins, nucleic acid
  8. weakest type of bond
  9. tries to decrease the acid/base of a solution
  10. 7 on the pH scale
  11. the innermost shell has a maximum of ____ electrons
  12. same number of protons but different number of neutrons
  13. to break a product using water
  14. first step in the scientific method
  15. 8 to 14 on the pH scale
  16. second part of the word "homosapiens" is called the ____
Down
  1. another word for enzyme
  2. strongest type of bond
  3. properties of both hydrophobic and hydrophilic
  4. used for storage in a plant cell
  5. in charge of the cell
  6. multiple monomers
  7. dissolves in water
  8. a monomer is the ___ in a chemical reaction
  9. polymers would be the ____ in a chemical reaction
  10. the outermost shell has a maximum of ____ electrons
  11. polymer of a lipid
  12. the atomic number is the number of ____
  13. smallest unit of life
  14. an ____ will make the chemical reaction go faster

30 Clues: scared of water • digest molecules • multiple monomers • 7 on the pH scale • dissolves in water • polymer of a lipid • weakest type of bond • in charge of the cell • smallest unit of life • strongest type of bond • 1 to 6 on the pH scale • another word for enzyme • 8 to 14 on the pH scale • polymer of a carbohydrate • the post office of the cell • to break a product using water • ...

Element crossword puzzle 2022-12-05

Element crossword puzzle crossword puzzle
Across
  1. the result of a chemical reaction
  2. group of elements that have a full valence shell
  3. able to be shaped without breaking or cracking
  4. a substance that increases the rate of a chemical reaction
  5. atoms that are connected by sharing electrons
  6. the number of valence electrons neon has
  7. determined by the number of protons in an atom
  8. the family group chlorine is in
  9. able to be formed and reformed without losing toughness, not brittle
  10. the family group that iron is in
  11. atoms the are attracted by giving or receiving electrons
  12. group of elements that are extremely reactive and water sensitive
  13. the amount of matter in a single element of an atom
Down
  1. the number of electron shells sodium has
  2. the measure of how well an electrical charge can pass through a substance
  3. the second most reactive group
  4. the subatomic particles on the outer ring of an atom
  5. elements that go into a chemical reaction
  6. have properties of metals and nonmetals
  7. subatomic particles with no charge
  8. chart that organizes elements by atomic number and electron rings
  9. does not react easily with other elements

22 Clues: the second most reactive group • the family group chlorine is in • the family group that iron is in • the result of a chemical reaction • subatomic particles with no charge • have properties of metals and nonmetals • the number of electron shells sodium has • the number of valence electrons neon has • elements that go into a chemical reaction • ...

Chemistry 2022-01-26

Chemistry crossword puzzle
Across
  1. A change in chemical and physical properties
  2. Causes inflammation
  3. Any substance that occupies space and has a mass
  4. A substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound
  5. A substance that is made of only one type of atom or molecule
  6. Science that deals with matter and its changes
  7. Subatomic particle with no charge
  8. A chemical reaction that combines a substance with oxygen to produce an oxide
  9. the rapid oxidation of a substance, accompanied by the production of heat and light
  10. liquids that are not capable of being mixed together
  11. Has no definite volume or shape
  12. Orbit the atom and has a negative charge
  13. Size, Shape, Color, Density, and Weight
  14. Substance that is dissolved into a solvent substance that dissolves another substance to form a solution
  15. Has a definite volume and no definite shape
  16. Simpliest form of chemical matter
  17. A change in physical properties
Down
  1. Chemical reaction that release a significant amount of heat
  2. raises pH to allow product penetration
  3. mutually soluble
  4. unstable physical mixture of 2 or more immiscible substances that will not stay together until united by an emulsifier
  5. Is the study of substances containing Carbon
  6. A chemical reaction in which the oxidizing agent is losing oxygen and the reducing agent is gaining oxygen simultaneously
  7. Has a definite volume and shape
  8. Chemical Change
  9. a physical combination of matter in any proportion
  10. A stable physical mixture of 2 or more substances
  11. Is the study of substances not containing Carbon
  12. The basic unit of matter and the smallest chemical component of an element
  13. unstable physical mixture of undissolved particles in a liquid
  14. special type of oil used in water-resistant lubricants for the skin and nail polish dryers
  15. The center of an Atom and contains Protons and Neutrons
  16. Subatomic particle with a Positive Charge
  17. A chemical combination of 2 or more atoms in a definite or fixed proportion
  18. substance that allows oil and water to mix or emulsify
  19. a substance that releases oxygen

36 Clues: Chemical Change • mutually soluble • Causes inflammation • Has a definite volume and shape • Has no definite volume or shape • A change in physical properties • a substance that releases oxygen • Subatomic particle with no charge • Simpliest form of chemical matter • raises pH to allow product penetration • Size, Shape, Color, Density, and Weight • ...

Unit 02 Vocabulary 2021-10-22

Unit 02 Vocabulary crossword puzzle
Across
  1. The number of the different atoms of an elements in the reactants side is equal to the products.
  2. The equation to the chemical formula.
  3. When a substance is formed to make a new substance.
  4. The act of making something smaller or less.
  5. The left side of the chemical equation.
  6. Releases heat.
  7. Characterized by.
  8. Resulting from union of separate elements.
  9. The process of oxidizing.
  10. A substance that takes part in and undergoes change during a reaction.
  11. Something that can be seperated.
  12. The number used to balance the chemical equation.
  13. degree in which a substance dissolves in a solvent to make a solution.
  14. A mixture in which the substance does not mix.
Down
  1. A type of mixture in which components are uniformly
  2. One or more chemicals are changed into one or more other chemicals.
  3. any substance that increases the rate of a reaction without it self being consumed.
  4. In a chemical reaction mass is not created nor destroyed.
  5. The minor component in a solution,dissolved in the solvent.
  6. Any of a class of reactions in which two molecules are combined.
  7. When a solid is formed.
  8. Made up of one or more atoms.
  9. A form of matter that changes.
  10. A number by the element.
  11. ordinarily liquid, in which other materials dissolved to form a solution.

25 Clues: Releases heat. • Characterized by. • When a solid is formed. • A number by the element. • The process of oxidizing. • Made up of one or more atoms. • A form of matter that changes. • Something that can be seperated. • The equation to the chemical formula. • The left side of the chemical equation. • Resulting from union of separate elements. • ...

Photosynthesis/Cellular Respiration Crossword 2021-12-21

Photosynthesis/Cellular Respiration Crossword crossword puzzle
Across
  1. the "H" in H2O
  2. two or more atoms held together by a chemical bond
  3. one of the things needed for cellular respiration
  4. an organism that cannot makes it's own food, also known as a consumer
  5. the basic particle from which all elements are made
  6. the name for the chemical symbol H20
  7. cellular respiration begins in this part of the cell
  8. the part of a plant that takes in carbon dioxide
  9. the process by which cells break down glucose
  10. the organelle where cellular respiration primarily takes place
  11. an organism that makes its own food, also known as a producer
Down
  1. one of the things needed for cellular respiration
  2. the process by which food is broken down both mechanically and chemically
  3. the process in which plants use light to make energy
  4. this carries oxygen from our lungs to our cells
  5. a substance which cannot be broken down in to any other substances
  6. type of respiration not involving oxygen
  7. dioxide the name for the chemical symbol CO2
  8. nearly all energy on Earth comes from this
  9. type of respiration involving oxygen
  10. this makes up about 78% of the air we breathe
  11. something that is produced during a chemical reaction
  12. something that undergoes a change during a chemical reaction
  13. ATP is a form of energy

24 Clues: the "H" in H2O • ATP is a form of energy • the name for the chemical symbol H20 • type of respiration involving oxygen • type of respiration not involving oxygen • nearly all energy on Earth comes from this • dioxide the name for the chemical symbol CO2 • the process by which cells break down glucose • this makes up about 78% of the air we breathe • ...

Photosynthesis/Cellular Respiration Crossword 2021-12-21

Photosynthesis/Cellular Respiration Crossword crossword puzzle
Across
  1. the "H" in H2O
  2. two or more atoms held together by a chemical bond
  3. one of the things needed for cellular respiration
  4. an organism that cannot makes it's own food, also known as a consumer
  5. the basic particle from which all elements are made
  6. the name for the chemical symbol H20
  7. cellular respiration begins in this part of the cell
  8. the part of a plant that takes in carbon dioxide
  9. the process by which cells break down glucose
  10. the organelle where cellular respiration primarily takes place
  11. an organism that makes its own food, also known as a producer
Down
  1. one of the things needed for cellular respiration
  2. the process by which food is broken down both mechanically and chemically
  3. the process in which plants use light to make energy
  4. this carries oxygen from our lungs to our cells
  5. a substance which cannot be broken down in to any other substances
  6. type of respiration not involving oxygen
  7. dioxide the name for the chemical symbol CO2
  8. nearly all energy on Earth comes from this
  9. type of respiration involving oxygen
  10. this makes up about 78% of the air we breathe
  11. something that is produced during a chemical reaction
  12. something that undergoes a change during a chemical reaction
  13. ATP is a form of energy

24 Clues: the "H" in H2O • ATP is a form of energy • the name for the chemical symbol H20 • type of respiration involving oxygen • type of respiration not involving oxygen • nearly all energy on Earth comes from this • dioxide the name for the chemical symbol CO2 • the process by which cells break down glucose • this makes up about 78% of the air we breathe • ...

Chemistry Ch.11 Vocabulary 2023-02-16

Chemistry Ch.11 Vocabulary crossword puzzle
Across
  1. an equation that shows dissolved ionic compounds as dissociated free ions
  2. a number placed in front of a chemical symbol or formula
  3. a representation of chemical reaction
  4. a chemical change in which one element replaces a second element in a compound
  5. a chemical change in which a single compound breaks down into two or more simpler products
Down
  1. a chemical equation that does not indicate the relative amounts of the reactants and products
  2. which is a chemical change involving an exchange of positive ions between two compounds
  3. lists elements in order of decreasing reactivity
  4. a substance that speeds up the reaction but is not used up in the reaction
  5. a chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat and light
  6. a chemical change in which two or more substances react to form a single new substance.

11 Clues: a representation of chemical reaction • lists elements in order of decreasing reactivity • a number placed in front of a chemical symbol or formula • an equation that shows dissolved ionic compounds as dissociated free ions • a substance that speeds up the reaction but is not used up in the reaction • ...

Chemistry Tic Tac Toe 2022-10-13

Chemistry Tic Tac Toe crossword puzzle
Across
  1. the process of burning something
  2. replacement-occur when 2 compounds are used to make 2 new compounds
  3. the condition of being neutralized
  4. result of a chemical reaction
  5. replacement-a substitution for one element and a compound
Down
  1. number that go in front of a substance
  2. equation- the representation of a chemical reaction using symbols of elements
  3. a chemical breakdown of 2 or more products
  4. the number of atoms that are equal
  5. substances that are combined in a reaction to form products

10 Clues: result of a chemical reaction • the process of burning something • the number of atoms that are equal • the condition of being neutralized • number that go in front of a substance • a chemical breakdown of 2 or more products • replacement-a substitution for one element and a compound • substances that are combined in a reaction to form products • ...

Boy and the Bottle Super Formal Lab 2025-09-16

Boy and the Bottle Super Formal Lab crossword puzzle
Across
  1. -white powdery tiny circular shape, dissolves in water, neutral pH, no reaction with vinegar or heat.
  2. -a pH below 7, often reacts with baking soda or fizzles.
  3. -white clear crystally mostly, does not dissolve in water, pH 6, no reaction with vinegar or heat.
  4. -what color indicators show about acidity or basicity.
  5. -white powdery hexagonal shape, dissolves in water, neutral pH, no reaction with vinegar, melts with heat.
  6. -white powdery tiny circular shape, dissolves in water, neutral pH, no reaction with vinegar, reacts with heat, matches salt.
  7. -used to test for chemical reactions like bubbling or sizzling.
  8. -white powdery thin circular shape, does not dissolve in water, pH 4, no reaction with vinegar or heat.
  9. -a chemical that changes color to show pH level.
  10. -whether a substance dissolves in water.
  11. -white powdery tiny circular shape, dissolves in water, reacts with water and vinegar, pH 8, warm with heat.
Down
  1. -a reaction seen when vinegar is added to baking soda.
  2. -when the unknown substance shares all properties with a known one.
  3. -white crystally powdery partially, does not dissolve in water, pH 11, reacts with vinegar and heat (browner).
  4. -a pH above 7, like washing soda with pH 11.
  5. -a reaction seen when water or vinegar is added to plaster of paris.
  6. -white powdery thin circular shape, does not dissolve in water, sizzles with water and vinegar, pH 6, no heat reaction.
  7. -used to test solubility and reaction behavior.
  8. -white powdery chunky shape, does not dissolve in water, neutral pH, reacts with heat.
  9. -a pH of 7, meaning neither acidic nor basic.
  10. -used to test if a substance melts, warms, or changes color.
  11. -a visible change when a substance is exposed to heat, water, or vinegar.
  12. -how a substance feels or looks (powdery, chunky, crystally).

23 Clues: -whether a substance dissolves in water. • -a pH above 7, like washing soda with pH 11. • -a pH of 7, meaning neither acidic nor basic. • -used to test solubility and reaction behavior. • -a chemical that changes color to show pH level. • -a reaction seen when vinegar is added to baking soda. • -what color indicators show about acidity or basicity. • ...

Energy and Metabolism: Vocab 2024-05-19

Energy and Metabolism: Vocab crossword puzzle
Across
  1. Currency of energy in life
  2. The study of chemical/biochemical reaction rates
  3. Membrane transport that requires energy
  4. Catabolic process that breaks down glucose, happens in mitochondria
  5. Type of reaction that consumes energy
  6. Rebuilding substances in ways we would find useful
  7. Set of life sustaining chemical reactions
  8. Breaking down of substances
Down
  1. Type of reaction that releases energy
  2. Membrane transport that does NOT require energy
  3. Also known as the citric acid cycle
  4. Anabolic process that builds sugar molecules, happens in chloroplasts
  5. "without air", doesn't require oxygen
  6. Currency of energy in life
  7. Type of protein that controls biochemical reactions

15 Clues: Currency of energy in life • Currency of energy in life • Breaking down of substances • Also known as the citric acid cycle • Type of reaction that releases energy • "without air", doesn't require oxygen • Type of reaction that consumes energy • Membrane transport that requires energy • Set of life sustaining chemical reactions • ...

Units 7 and 8 vocabulary 2023-08-17

Units 7 and 8 vocabulary crossword puzzle
Across
  1. a material that lets the electrical charges to move
  2. substance type of substance that contains only one type of component
  3. type of matter that contains more than one substance
  4. a device with a magnetic needle that always point north
  5. a A Method to separate solids to liquids
  6. A method to separate liquids that have different boiling points in homogeneous mixtures
  7. Are materials that do not allow electrical charges to move
  8. a chemical reaction that happens when objects or substances are burned
  9. mixture A mixture in which the components cannot be distinguished
  10. Is a method to separate solids from liquids in homogenous mixtures
  11. circuit a close path which electricity flows
  12. An object that can attract other objects
  13. The component of an electric circuit that transforms electricity into another type of energy
Down
  1. a chemical reaction that happens in some living things such us the yeast and bacteria
  2. a connecting wire usually made of copper wrapped in plastic covering
  3. reactions this happens when atoms react and group together differently
  4. The component of an electric circuit that give us electricity
  5. a method to separate substances of different density
  6. One electric current flows through a bit of magnetic metal, such as iron
  7. Another type of word for homogeneous mixture
  8. A chemical reaction that occurs, when metal substances combine with oxygen in the presence of water
  9. current the flow of the electrical charges throughout the materials

22 Clues: a A Method to separate solids to liquids • An object that can attract other objects • Another type of word for homogeneous mixture • circuit a close path which electricity flows • a material that lets the electrical charges to move • a method to separate substances of different density • type of matter that contains more than one substance • ...

Chapter 2.4 crossword 2025-10-03

Chapter 2.4 crossword crossword puzzle
Across
  1. The elements or compounds produced by a chemical reaction
  2. site The site on the enzyme to which the reactant/substrate bind
  3. reaction a process that changes, or transforms, one set of chemicals into another by changing the chemical bonds that join atoms in compounds.
  4. The reactants of an enzyme-catalyzed reaction
Down
  1. Proteins that act as biological catalysts, speeding up chemical reactions that take place in cells.
  2. a substance that speeds up the rate of a chemical reaction.
  3. The elements or compounds that enter into a chemical reaction
  4. energy The energy that is needed to get a reaction started

8 Clues: The reactants of an enzyme-catalyzed reaction • The elements or compounds produced by a chemical reaction • energy The energy that is needed to get a reaction started • a substance that speeds up the rate of a chemical reaction. • The elements or compounds that enter into a chemical reaction • site The site on the enzyme to which the reactant/substrate bind • ...

Enzyme 2026-03-03

Enzyme crossword puzzle
Across
  1. reaction that has a net release of free energy.
  2. inhibit the activity of enzymes
  3. a flexible active site that changes shape, or conforms, to the substrate as they bond together.
  4. sum of all the chemical reactions occurring in that cell.
  5. the process of making large molecules from smaller ones.
Down
  1. the active site as having a set shape.
  2. energy required to start any reaction.
  3. reaction that absorbs free energy from the surroundings.
  4. a substance that takes part in and undergoes change during a reaction
  5. a substance formed as a result of a chemical reaction
  6. Organic cofactors
  7. process of breaking down large molecules into smaller ones.

12 Clues: Organic cofactors • inhibit the activity of enzymes • the active site as having a set shape. • energy required to start any reaction. • reaction that has a net release of free energy. • a substance formed as a result of a chemical reaction • reaction that absorbs free energy from the surroundings. • the process of making large molecules from smaller ones. • ...

Unit 2 Maddyx Swallow 2023-04-04

Unit 2 Maddyx Swallow crossword puzzle
Across
  1. Hates/is repulsed by water
  2. When an enzyme's shape is changed due to the presence of chemicals or extreme temperatures
  3. Only lets certain things pass through
  4. Where the substrate perfectly fits into on an enzyme
  5. Made of of Organs that work together
  6. The energy required to begin a chemical reaction in an organism's metabolism
  7. Moving molecules through a membrane without expending any energy
  8. Formed by molecules and found in living things, membrane bound structure in a cell
  9. The diffusion of water
Down
  1. Reactants in a chemical reaction involving an enzyme, fits into the enzyme's active site
  2. Makes up membranes and consists of a hydrophilic head and two hydrophobic tails
  3. A protein that lowers the activation energy
  4. Made up of similarly differentiated cells
  5. Loves/is attracted to water
  6. The result of a chemical reaction
  7. The basic unit of matter
  8. A form of passive transport where molecules move from high concentration to low concentration
  9. When energy is spent to move molecules across a membrane through transport proteins
  10. Made up of similar tissues
  11. A combination of atoms
  12. Made up of several organ systems which work together to stay alive
  13. The basic unit of life

22 Clues: A combination of atoms • The basic unit of life • The diffusion of water • The basic unit of matter • Hates/is repulsed by water • Made up of similar tissues • Loves/is attracted to water • The result of a chemical reaction • Made of of Organs that work together • Only lets certain things pass through • Made up of similarly differentiated cells • ...

Reaction Types 2016-04-23

Reaction Types crossword puzzle
Across
  1. breakdown of metals due to their reaction with other chemicals
  2. what an equation is when it has the same number of each type of atom on both sides
  3. the substances on the right side of the equation
  4. a chemical change in which reactants become products (2 words)
  5. a biological catalyst that speeds up a reaction
  6. what a base neutralizes
  7. a metal that releases a blue-white light when burned
  8. process which chemicals move, caused by different concentrations of the chemical
  9. green chemical found in the chloroplasts of green plants, need to carry out photosynthesis
Down
  1. whenever something reacts with oxygen gas
  2. a single element replaces an element in a binary compound (2 words)
  3. another word for an ionic compound; what an acid base produce
  4. a compound that has two parts, a negative and a positive ion
  5. one reactant is broken down into two or more products
  6. another word for a synthesis reaction
  7. what an acid neutralizes
  8. two reactants form one product
  9. the substances on the left side of the equation
  10. always a reactant in combustion
  11. type of sugar produced by photosynthesis

20 Clues: what a base neutralizes • what an acid neutralizes • two reactants form one product • always a reactant in combustion • another word for a synthesis reaction • type of sugar produced by photosynthesis • whenever something reacts with oxygen gas • the substances on the left side of the equation • a biological catalyst that speeds up a reaction • ...

BI 8-13 Vocab Review 2023-12-14

BI 8-13 Vocab Review crossword puzzle
Across
  1. goes from 0-14. 7 is the middle/neutral
  2. pH 7 not an acid or base
  3. the substance that does the dissolving in solutions
  4. what comes out of a chemical reaction
  5. state of matter where particles slide past each other
  6. what goes into a chemical reaction
  7. light waves bounce off materials it is the color we see
  8. speed at which chemical change occurs, heat makes if faster
  9. formed by reaction of an acid and a base
  10. state of matter where particles vibrate in place
  11. pH less than 7
Down
  1. the substance that gets dissolved
  2. change in motion either in speed or direction
  3. distance between waves
  4. how well something dissolves
  5. energy due to position or composition
  6. number of waves per second
  7. way to measure how acidic or basic a substance is
  8. energy of motion
  9. pH greater than 7
  10. light taken in and transformed into heat energy
  11. light waves bend in different mediums changing speed and direction
  12. transfer of thermal energy due to difference in temp
  13. mixture formed when something dissolves in something else
  14. state of matter where particles move fast and are far apart

25 Clues: pH less than 7 • energy of motion • pH greater than 7 • distance between waves • pH 7 not an acid or base • number of waves per second • how well something dissolves • the substance that gets dissolved • what goes into a chemical reaction • energy due to position or composition • what comes out of a chemical reaction • goes from 0-14. 7 is the middle/neutral • ...

Year 9 Christmas homework 2013-12-13

Year 9 Christmas homework crossword puzzle
Across
  1. The Haber process is used to make this chemical
  2. Features which can be inherited show _______ variation
  3. A reaction that gives out energy
  4. Features which are influenced by our surroundings and experiences show _________ variation
  5. Describes the differences between individuals of the same species
  6. This gas is needed for fuels to burn
  7. A chemical reaction in which a fuel is burned
Down
  1. This solution is used to test for carbon dioxide gas
  2. The name given to the turning effect of a force
  3. Using electricity to split up a chemical
  4. A reaction that needs or uses up energy
  5. This molecule contains our genetic code
  6. This is the point around which a lever turns

13 Clues: A reaction that gives out energy • This gas is needed for fuels to burn • A reaction that needs or uses up energy • This molecule contains our genetic code • Using electricity to split up a chemical • This is the point around which a lever turns • A chemical reaction in which a fuel is burned • The Haber process is used to make this chemical • ...

Chemistry Revision- Joel's crossword 2013-09-20

Chemistry Revision- Joel's crossword crossword puzzle
Across
  1. biological catalyst that speeds up a reaction
  2. A green chemical found in chloroplasts
  3. A base that dissolves in water
  4. Chemical reaction where glucose is broken down to create energy
  5. Single celled organism that lives in water
  6. A substance that releases hydroxide ions
  7. sink A term used to describe materials that store carbon in their structures
Down
  1. reaction of an acid with a base
  2. Rain Rain that has acids such as nitric acid and sulfuric acid dissolved in it
  3. C6H12O6
  4. A scale used to measure the concentration of H+ ions in a solution
  5. term commonly used for sodium chloride
  6. A chemical that changes colour to show whether a substance is acidic, basic or neutral

13 Clues: C6H12O6 • A base that dissolves in water • reaction of an acid with a base • A green chemical found in chloroplasts • term commonly used for sodium chloride • A substance that releases hydroxide ions • Single celled organism that lives in water • biological catalyst that speeds up a reaction • Chemical reaction where glucose is broken down to create energy • ...

7.3 CW 2 2024-11-05

7.3 CW 2 crossword puzzle
Across
  1. - A change that affects one or more physical properties of a substance without altering its chemical composition.
  2. - A mixture in which particles are dispersed throughout a liquid or gas but are not fully dissolved.
  3. Substance - A material that has a constant composition and consistent properties throughout. Pure substances can be elements or compounds.
  4. - A property of a material that allows it to be deformed or shaped, typically by hammering or rolling, without breaking.
  5. - The basic units of matter that make up all substances. They consist of protons, neutrons, and electrons.
  6. - A mixture that consists of visibly different substances or phases.
  7. - A form of matter that has a uniform and definite composition.
  8. - Anything that has mass and takes up space. It is made up of particles.
  9. - The mass per unit volume of a substance, often expressed in grams per cubic centimeter (g/cm³).
  10. - To mix a solid, liquid, or gas into a liquid to form a solution.
  11. - The substance in which a solute is dissolved to form a solution, usually a liquid.
  12. - A distinct, homogeneous form of matter, such as solid, liquid, or gas.
  13. - The process by which vapor changes into liquid when cooled.
  14. - A substance that increases the rate of a chemical reaction without being consumed in the process, allowing the reaction to occur more quickly or under milder conditions.
  15. - The energy related to the temperature of a substance, often affecting physical and chemical changes.
  16. - The process of forming solid crystals from a solution as it cools or evaporates.
  17. - A substance formed when two or more different elements are chemically joined together.
  18. - A type of mixture where one substance (solute) is dissolved in another (solvent), resulting in a homogeneous mixture.
  19. - The energy released or absorbed during a physical or chemical change.
  20. - Characteristics or traits of a substance that can be observed or measured, such as color, density, and boiling point.
  21. - The point at which a solution can no longer dissolve more solute at a given temperature.
  22. - A mixture that is uniform in composition and appearance throughout.
  23. - A combination of two or more substances where each substance retains its own properties.
  24. - The arrangement of protons, neutrons, and electrons in an atom, determining its properties and behavior.
  25. - A process that results in the formation of new substances with different properties from the original substances.
  26. - The ability of a substance (solute) to dissolve in a solvent at a given temperature and pressure.
  27. - A physical separation method used to remove solid particles from a liquid or gas using a filter.
Down
  1. - A process in which substances interact to form new substances with different properties.
  2. - The substances formed as a result of a chemical reaction.
  3. - A pure substance that cannot be broken down into simpler substances by chemical means.
  4. - A representation of a substance using symbols for its constituent elements and numbers to indicate the ratio of atoms.
  5. - The amount of solute present in a given volume of solution, usually expressed in molarity or percentage.
  6. - An electron located in the outermost shell of an atom that can participate in forming chemical bonds with other atoms.
  7. - The energy required to initiate a physical or chemical change.
  8. - A characteristic of a material that enables it to be stretched into a wire without breaking.
  9. - A measure of the amount of matter in an object, usually measured in grams or kilograms.
  10. - The starting substances in a chemical reaction that undergo change.
  11. - The process by which a liquid changes into a gas, often resulting in the formation of vapor.
  12. - The process of changing the arrangement of atoms in a molecule during a chemical reaction.
  13. - The principle that mass is neither created nor destroyed in a closed system during a chemical reaction or physical change.
  14. - The smallest unit of a compound, made up of two or more atoms bonded together.
  15. - The substance that is dissolved in a solvent to form a solution.
  16. - A solid that forms and separates from a liquid mixture during a chemical reaction.
  17. - A mixture where tiny particles are evenly distributed throughout another substance, but are not heavy enough to settle out.

44 Clues: - The substances formed as a result of a chemical reaction. • - The process by which vapor changes into liquid when cooled. • - A form of matter that has a uniform and definite composition. • - The energy required to initiate a physical or chemical change. • - To mix a solid, liquid, or gas into a liquid to form a solution. • ...

Semester 1 Crossword 2023-12-19

Semester 1 Crossword crossword puzzle
Across
  1. makes up a majority of the cell membrane
  2. A single living thing
  3. What goes into a chemical reaction
  4. Most basic unit of life
  5. What comes out of a chemical reaction
  6. Control center of a cell
  7. Cell Division
Down
  1. "living things"
  2. Water fearing
  3. Internal Balance
  4. Enzyme that unzips DNA for DNA replication
  5. Carries genetic information
  6. Site of protein synthesis

13 Clues: Water fearing • Cell Division • "living things" • Internal Balance • A single living thing • Most basic unit of life • Control center of a cell • Site of protein synthesis • Carries genetic information • What goes into a chemical reaction • What comes out of a chemical reaction • makes up a majority of the cell membrane • Enzyme that unzips DNA for DNA replication

Chemistry Vocab 2025-09-04

Chemistry Vocab crossword puzzle
Across
  1. detailed information document prepared by the manufacturer or importer of a hazardous chemical
  2. having a tendency to mix with, dissolve in, or be wetted by water. (water-loving)
  3. tending to combine with or dissolve in lipids or fats - combining with or attraction oils (oil-loving)
  4. a chemical reaction that releases energy by light or heat
  5. a solution that has a PH below 7 - liquid mixture that occurs when hydrogen ions are released when combined with water
  6. the study of the properties of matter and how matter changes
  7. a solution that has a pH above 7 -
  8. able to fire easily
Down
  1. activated by outside heat source, usually a hood-type dryer
  2. mixable
  3. able to dissolve other substances
  4. a scale used to measure how acidic or alkaline a solution is
  5. capable of catching fire or burning
  6. a chemical reaction that combines a substance with oxygen to produce an oxide
  7. liquids that are not capable of being mixed together to form stable solutions
  8. a colorless liquid or white crystals with a strong unpleasant odor that is used in permanent waving solutions
  9. a contraction of surface active agents; substances that Allow oil and water to mix, or emulsify
  10. cancer causing

18 Clues: mixable • cancer causing • able to fire easily • able to dissolve other substances • a solution that has a pH above 7 - • capable of catching fire or burning • a chemical reaction that releases energy by light or heat • activated by outside heat source, usually a hood-type dryer • a scale used to measure how acidic or alkaline a solution is • ...

Enzyme 2026-03-03

Enzyme crossword puzzle
Across
  1. is the process of breaking down large molecules into smaller ones
  2. is one that absorbs free energy from surroundings
  3. is describes the active site as having a set shape. The substrate molecules fit perfectly into active site, like a key in a lock. Once in the active site, the chemical reaction can take place.
  4. is describes a flexible active site that changes shape, or conforms, to the substrate as they bond together.
  5. is the other molecules which inhibit the activity of enzymes, That is, they reduce or stop the enzyme from functioning. Reducing enzyme activity also reduces the reaction of the enzyme.
  6. is the organic molecule such as vitamins and NAD+.Organic cofactor are also called coenzymes
Down
  1. is the energy required to start any reaction
  2. is a new substance formed from chemical reaction of reactants
  3. is the process of making large molecules from smaller ones
  4. is a substance that undergoes a chemical change and is consumed during a chemical reaction to form new substances called productsa
  5. is the sum of all the chemical reactions occurring in that cell
  6. is one that has a net release of free energy

12 Clues: is the energy required to start any reaction • is one that has a net release of free energy • is one that absorbs free energy from surroundings • is the process of making large molecules from smaller ones • is a new substance formed from chemical reaction of reactants • is the sum of all the chemical reactions occurring in that cell • ...

Chapter 3 Vocab Crossword 2019-04-02

Chapter 3 Vocab Crossword crossword puzzle
Across
  1. A measure of how acidic or basic something is on a scale of 1-14 with 1 being most acidic, 7 being neutral, and 14 being most basic
  2. Rate of Reaction Instantaneous rate of reaction at the start and first few seconds of the reaction
  3. inhibition The inhibitor can bind to the enzyme without preventing the substrate from binding, lowers the enzyme's efficiency
  4. Operating outside of the cell
  5. The maximum rate of reaction when the enzyme is saturated with substrate
  6. The substance on which an enzyme acts
  7. Operating within the cell
  8. Enzymes An enzyme that is attached to an inert, insoluble substance. Can provide increased resistance to changes in conditions
  9. Rate The number of chemical conversions of the substrate molecules per second at a catalytic site for a given enzyme concentration
  10. Energy The minimum energy required to allow a certain chemical reaction to occur
  11. inhibitor An enzyme inhibitor which does not prevent the enzyme from functioning properly permanently
  12. Mechanism A process that uses the conditions of one component to regulate the function of the other. It is done to either increase or dampen the change in the system.
Down
  1. What is left after the enzyme binds with the substrate
  2. Complex The intermediate formed when a substrate interacts with the active site of an enzyme
  3. To prevent an enzyme from working in the normal manner
  4. inhibitor The reaction product inhibits the enzyme activity
  5. site A region on an enzyme that binds to a protein or other substance during a reaction.
  6. inhibition The inhibitor binds to the enzyme's active site and prevents the substrate from binding, stops the reaction from happening
  7. Something which prevents an enzyme from working in the normal manner
  8. pH The pH level at which a specific enzyme can work most effectively
  9. Protein molecules that act as biological catalysts
  10. To alter the structure of a protein by breaking bonds
  11. Catalysts A molecule which speeds up a chemical reaction
  12. Fit Hypothesis The binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as to enhance or inhibit its activity

24 Clues: Operating within the cell • Operating outside of the cell • The substance on which an enzyme acts • Protein molecules that act as biological catalysts • To alter the structure of a protein by breaking bonds • What is left after the enzyme binds with the substrate • To prevent an enzyme from working in the normal manner • ...

Intro to Science & Chemistry 2023-05-18

Intro to Science & Chemistry crossword puzzle
Across
  1. explains how the evidence connects the data & claim
  2. molecule made of at least 2 different elements
  3. type of observation that has numbers
  4. 2 or more atoms joined together
  5. data that supports your claim
  6. ingredients that go into a chemical reaction (left side of equation)
Down
  1. facts, data, or evidence, noticing something
  2. created by a chemical reaction (right side of equation)
  3. smallest part of a chemical element
  4. type of observation made with your 5 senses
  5. logical conclusion based on observations
  6. 1-sentence answer to the question
  7. chemical that cannot be broken down into another substance

13 Clues: data that supports your claim • 2 or more atoms joined together • 1-sentence answer to the question • smallest part of a chemical element • type of observation that has numbers • logical conclusion based on observations • type of observation made with your 5 senses • facts, data, or evidence, noticing something • molecule made of at least 2 different elements • ...

Chemistry 5 Vocab Review 2025-10-02

Chemistry 5 Vocab Review crossword puzzle
Across
  1. Chemical reactions that absorb heat
  2. Amount of heat energy required to raise the temperature of 1 unit of mass of the substance by 1 unit of temperature
  3. Energy cannot be created or destroyed as a result of changes in energy
  4. Measurement of the amount of heat released or absorbed during a chemical reaction
  5. Chemical reactions that release heat
  6. Instrument used to measure the heat released or absorbed during a chemical reaction
  7. Ability to do work
Down
  1. Minimum starting energy
  2. Energy in motion
  3. Lowest possible temperature
  4. Stored energy
  5. Force X distance
  6. SI unit for measuring energy

13 Clues: Stored energy • Energy in motion • Force X distance • Ability to do work • Minimum starting energy • Lowest possible temperature • SI unit for measuring energy • Chemical reactions that absorb heat • Chemical reactions that release heat • Energy cannot be created or destroyed as a result of changes in energy • ...

HW Choice Board 2026-02-10

HW Choice Board crossword puzzle
Across
  1. The big number in front of a chemical formula used to balance an equation
  2. Type of reaction where two or more simple substances combine to form one more complex product
  3. process in which a new substance is formed
  4. Reaction between an acid and a base that forms salt and water; a special kind of double replacement
  5. Type of reaction where a substance reacts with oxygen and releases heat and light; often makes carbon dioxide and water
  6. Substance that gets oxidized and causes another to be reduced
  7. Process where a species gains electrons or its oxidation number decreases.
  8. Tiny negatively charged particles that move in redox reactions
Down
  1. (opposite of a synthesis); when one complex molecule breaks down into two or more smaller, simpler molecules
  2. Reaction where one element takes the place of another element in a compound Reaction where two compounds “swap partners” to form two new compounds
  3. Process where a species loses electrons or its oxidation number increases
  4. A solid that forms when two solutions are mixed (evidence of a reaction)
  5. Describes an equation where the number of atoms of each element is the same on both sides
  6. Type of reaction where one compound breaks apart into two or more simpler substances
  7. Reaction where two compounds “swap partners” to form two new compounds
  8. What we look for to show a chemical reaction has occurred (color change, gas, new solid, temperature change, light)
  9. Type of reaction that involves both oxidation and reduction

17 Clues: process in which a new substance is formed • Type of reaction that involves both oxidation and reduction • Substance that gets oxidized and causes another to be reduced • Tiny negatively charged particles that move in redox reactions • Reaction where two compounds “swap partners” to form two new compounds • ...

Cellular Process Review 2022-12-23

Cellular Process Review crossword puzzle
Across
  1. Photosynthesis takes place in this organelle.
  2. ___ transport uses energy to move molecules from low to high concentration.
  3. Using vesicles (bubbles) to move molecules into the cell membrane.
  4. The energy molecule created by cellular respiration
  5. ___ transport does not require energy from the cell.
  6. The cell membrane is selectively ___ - it only lets certain molecules in or out.
  7. Where cellular respiration takes place
  8. Using vesicles (bubbles) to move molecules out of the cell membrane.
Down
  1. The sugar molecule used to create energy for the cell.
  2. This chemical reaction creates glucose and oxygen.
  3. The movement of molecules from high to low concentration.
  4. The "ingredient" of a chemical reaction.
  5. The new molecule that is created in a chemical reaction.

13 Clues: Where cellular respiration takes place • The "ingredient" of a chemical reaction. • Photosynthesis takes place in this organelle. • This chemical reaction creates glucose and oxygen. • The energy molecule created by cellular respiration • ___ transport does not require energy from the cell. • The sugar molecule used to create energy for the cell. • ...

7.3 CW 1 2024-10-29

7.3 CW 1 crossword puzzle
Across
  1. - A mixture that consists of visibly different substances or phases.
  2. - A process that results in the formation of new substances with different properties from the original substances.
  3. - The process of changing the arrangement of atoms in a molecule during a chemical reaction.
  4. - The point at which a solution can no longer dissolve more solute at a given temperature.
  5. - A mixture where tiny particles are evenly distributed throughout another substance, but are not heavy enough to settle out.
  6. - A representation of a substance using symbols for its constituent elements and numbers to indicate the ratio of atoms.
  7. - The process by which a liquid changes into a gas, often resulting in the formation of vapor.
  8. - A form of matter that has a uniform and definite composition.
  9. - A solid that forms and separates from a liquid mixture during a chemical reaction.
  10. - Characteristics or traits of a substance that can be observed or measured, such as color, density, and boiling point.
  11. - The amount of solute present in a given volume of solution, usually expressed in molarity or percentage.
  12. - A measure of the amount of matter in an object, usually measured in grams or kilograms.
  13. - Anything that has mass and takes up space. It is made up of particles.
  14. - A mixture in which particles are dispersed throughout a liquid or gas but are not fully dissolved.
  15. - The arrangement of protons, neutrons, and electrons in an atom, determining its properties and behavior.
  16. - The substance in which a solute is dissolved to form a solution, usually a liquid.
  17. - A type of mixture where one substance (solute) is dissolved in another (solvent), resulting in a homogeneous mixture.
  18. - A change that affects one or more physical properties of a substance without altering its chemical composition.
  19. - A process in which substances interact to form new substances with different properties.
  20. - A substance that increases the rate of a chemical reaction without being consumed in the process, allowing the reaction to occur more quickly or under milder conditions.
  21. - A substance formed when two or more different elements are chemically joined together.
  22. - A material that has a constant composition and consistent properties throughout. Pure substances can be elements or compounds.
  23. - To mix a solid, liquid, or gas into a liquid to form a solution.
  24. - A property of a material that allows it to be deformed or shaped, typically by hammering or rolling, without breaking.
Down
  1. - The process by which vapor changes into liquid when cooled.
  2. - The principle that mass is neither created nor destroyed in a closed system during a chemical reaction or physical change.
  3. - The smallest unit of a compound, made up of two or more atoms bonded together.
  4. - The energy related to the temperature of a substance, often affecting physical and chemical changes.
  5. - The ability of a substance (solute) to dissolve in a solvent at a given temperature and pressure.
  6. - The substances formed as a result of a chemical reaction.
  7. - A pure substance that cannot be broken down into simpler substances by chemical means.
  8. - A mixture that is uniform in composition and appearance throughout.
  9. - The energy released or absorbed during a physical or chemical change.
  10. - An electron located in the outermost shell of an atom that can participate in forming chemical bonds with other atoms.
  11. - A combination of two or more substances where each substance retains its own properties.
  12. - A physical separation method used to remove solid particles from a liquid or gas using a filter.
  13. - A distinct, homogeneous form of matter, such as solid, liquid, or gas.
  14. - The energy required to initiate a physical or chemical change.
  15. - The process of forming solid crystals from a solution as it cools or evaporates.
  16. - The mass per unit volume of a substance, often expressed in grams per cubic centimeter (g/cm³).
  17. - A characteristic of a material that enables it to be stretched into a wire without breaking.
  18. - The basic units of matter that make up all substances. They consist of protons, neutrons, and electrons.
  19. - The starting substances in a chemical reaction that undergo change.
  20. - The substance that is dissolved in a solvent to form a solution.

44 Clues: - The substances formed as a result of a chemical reaction. • - The process by which vapor changes into liquid when cooled. • - A form of matter that has a uniform and definite composition. • - The energy required to initiate a physical or chemical change. • - The substance that is dissolved in a solvent to form a solution. • ...

Chemical reaction and equations 2021-06-29

Chemical reaction and equations crossword puzzle
Across
  1. Opposite of decomposition
  2. removeshydrogen or adds oxygen
  3. breaking down of the reactants using electricity
  4. calcium hydroxide
  5. an unbalanced equation
  6. removal of hydrogen from a substance.
Down
  1. an insoluble substance that is formed as a result of chemical reaction
  2. burning of natural gas
  3. AgCl turns grey
  4. both oxidation and reduction taking place in a reaction
  5. when a single reactant breaks down to simpler substances
  6. ahighly reactive metal displaces least reactive metal

12 Clues: AgCl turns grey • calcium hydroxide • burning of natural gas • an unbalanced equation • Opposite of decomposition • removeshydrogen or adds oxygen • removal of hydrogen from a substance. • breaking down of the reactants using electricity • ahighly reactive metal displaces least reactive metal • when a single reactant breaks down to simpler substances • ...

Chemical reaction and equations 2021-06-29

Chemical reaction and equations crossword puzzle
Across
  1. Opposite of decomposition
  2. removeshydrogen or adds oxygen
  3. breaking down of the reactants using electricity
  4. calcium hydroxide
  5. an unbalanced equation
  6. removal of hydrogen from a substance.
Down
  1. an insoluble substance that is formed as a result of chemical reaction
  2. burning of natural gas
  3. AgCl turns grey
  4. both oxidation and reduction taking place in a reaction
  5. when a single reactant breaks down to simpler substances
  6. ahighly reactive metal displaces least reactive metal

12 Clues: AgCl turns grey • calcium hydroxide • burning of natural gas • an unbalanced equation • Opposite of decomposition • removeshydrogen or adds oxygen • removal of hydrogen from a substance. • breaking down of the reactants using electricity • ahighly reactive metal displaces least reactive metal • when a single reactant breaks down to simpler substances • ...

Chemical reaction and equations 2021-06-29

Chemical reaction and equations crossword puzzle
Across
  1. Opposite of decomposition
  2. removeshydrogen or adds oxygen
  3. breaking down of the reactants using electricity
  4. calcium hydroxide
  5. an unbalanced equation
  6. removal of hydrogen from a substance.
Down
  1. an insoluble substance that is formed as a result of chemical reaction
  2. burning of natural gas
  3. AgCl turns grey
  4. both oxidation and reduction taking place in a reaction
  5. when a single reactant breaks down to simpler substances
  6. ahighly reactive metal displaces least reactive metal

12 Clues: AgCl turns grey • calcium hydroxide • burning of natural gas • an unbalanced equation • Opposite of decomposition • removeshydrogen or adds oxygen • removal of hydrogen from a substance. • breaking down of the reactants using electricity • ahighly reactive metal displaces least reactive metal • when a single reactant breaks down to simpler substances • ...

Review Crossword Notes Sets 9-12 2021-11-15

Review Crossword Notes Sets 9-12 crossword puzzle
Across
  1. ___________ acid is found in your stomach. (12)
  2. In ________, the particles move fast enough to change positions, but cannot escape the attraction of nearby particles. (9)
  3. A compound that acts as both an acid and a base is called an ____________ compound. (12)
  4. When an acid and a base react, the reaction is called a ____________ reaction. (12)
  5. Adding salt to water makes the freezing temperature of the water ___________. (11)
  6. In a solution, the substance doing the dissolving is called the __________. (11)
  7. The products of a neutralization reaction are water and a _____. (12)
  8. A ___________ reaction combines a compound + a compound. (10)
  9. The items on the LEFT side of a chemical equation are called the __________. (10)
  10. In a solution, the substance being dissolved is the ____________. (11)
  11. A __________ reaction combines a hydrocarbon and oxygen.(10)
  12. The kinetic theory of matter says that particles are always in constant __________. (9)
  13. Compounds that donate or give away a hydrogen ion are ______.(12)
  14. Bases taste _________. (12)
Down
  1. A _________ reaction combines element + element.(10)
  2. A ___________ reaction involves just one compound only. That compound breaks into two or more elements or compounds. (10)
  3. ___________ temperatures make things dissolve faster. (11)
  4. In ________, the particles "vibrate in place." (9)
  5. Solids have both a ________ and a size that doesn't change. (9)
  6. A _________ reaction combines an element + a compound. (10)
  7. in _________, particles move freely in any direction. (9)
  8. The items on the RIGHT side of a chemical equation are called the ___________. (10)
  9. _________ is a number that tells how much solute can be dissolved in 1 Liter of water. (11)
  10. Gases have neither a shape nor a __________. (9)
  11. Acids taste ________. (12)
  12. Compounds that accepts or takes a away hydrogen atoms are ________. (12)

26 Clues: Acids taste ________. (12) • Bases taste _________. (12) • ___________ acid is found in your stomach. (12) • Gases have neither a shape nor a __________. (9) • In ________, the particles "vibrate in place." (9) • A _________ reaction combines element + element.(10) • in _________, particles move freely in any direction. (9) • ...

Lab 5 2021-07-15

Lab 5 crossword puzzle
Across
  1. A type of change in which the form of the substance is altered but the substance is not transformed into another substance.
  2. The phase change from a gas to a liquid.
  3. A change occurs when one or more substances is transformed into one or more different substances.
  4. When a liquid is not soluble in another liquid and layers are formed.
  5. If a solid is in a liquid, a solution is formed
  6. The phase change from a gas to a solid.
  7. Type of replacement reaction Mg(s) + HCl(aq)  MgCl2(aq) + H2(g)
  8. When a liquid dissolves completely in another liquid, in all proportions.
  9. The phase change from a solid to a gas.
  10. Type of replacement reaction Pb(NO3)2(aq) + 2 KI(aq)  2 KNO3(aq) + PbI2(s)
  11. The phase change from a liquid to a solid.
Down
  1. The phase change from a liquid to a gas.
  2. A type of property that describes a substances potential to undergo a chemical reaction.
  3. Type of reaction AgNO3(aq) + NaCl(aq)  AgCl(s) + NaNO3(aq)
  4. A property is an attribute of a substance that can be observed or measured without changing the identity of the substance.
  5. The pressure of a liquid is the pressure exerted by gas molecules of the substance in equilibrium with liquid molecules of the substance.
  6. The ability of a solute to dissolve in a solvent to produce a solution.
  7. A type of reaction where one substance decomposes to 2 or more substances.
  8. If a solid is in a liquid a heterogenous mixture is formed.
  9. Always on the left side of the yield arrow in a reaction.
  10. A homogeneous mixture comprised of the solute and solvent.
  11. The arrow separates the reactants from the products in a reaction.
  12. Always on the right side of the yield arrow in a reaction.
  13. The phase change from a solid to a liquid.

24 Clues: The phase change from a gas to a solid. • The phase change from a solid to a gas. • The phase change from a liquid to a gas. • The phase change from a gas to a liquid. • The phase change from a solid to a liquid. • The phase change from a liquid to a solid. • If a solid is in a liquid, a solution is formed • Always on the left side of the yield arrow in a reaction. • ...

ChemMystery 2025-02-11

ChemMystery crossword puzzle
Across
  1. A chemical bond formed by sharing electrons
  2. The most abundant gas in the atmosphere
  3. The chemical symbol for Gold
  4. Process of breaking down a compound using electricity
  5. Mixture where one substance dissolves in another
  6. Type of reaction where heat is absorbed
  7. The pH of pure water
Down
  1. Gas produced when an acid reacts with a metal
  2. The noble gas used in bright signs
  3. Ion with a positive charge
  4. A substance that speeds up a chemical reaction
  5. Element with the highest electronegativity
  6. The number of protons in Carbon
  7. The process of a solid turning into a liquid
  8. The atomic number of Hydrogen
  9. The SI unit of amount of substance

16 Clues: The pH of pure water • Ion with a positive charge • The chemical symbol for Gold • The atomic number of Hydrogen • The number of protons in Carbon • The noble gas used in bright signs • The SI unit of amount of substance • The most abundant gas in the atmosphere • Type of reaction where heat is absorbed • Element with the highest electronegativity • ...

Unit 2 vocab 2024-10-09

Unit 2 vocab crossword puzzle
Across
  1. organism that lacks a nucleus
  2. in classification, a group of closely related families
  3. largest and most inclusive group in classification
  4. name– refers to the colloquial name of a taxon or species. It is the name known to the general public or is based on any language
  5. group of closely related species; the first part of the scientific name in binomial nomenclature
  6. small chemical unit that makes up a polymer
  7. process of maintaining stable internal environment within a cell/organism
  8. in classification, a group of closely related orders
  9. a large organic molecule made up of many atoms (like proteins)
  10. compound made up of carbon, hydrogen, and oxygen atoms; type of nutrient that is the major source of energy for the body
  11. a trait that an organism has that allows for it to survive and reproduce at a greater rate
  12. all the chemical reactions within an organism that build or break down substances
  13. in classification, a group of similar genera
Down
  1. group of similar organisms that can breed and produce fertile offspring
  2. made up of amino acids
  3. genetic material that organisms inherit from their parents
  4. substance formed as a result of a chemical reaction
  5. simple sugar molecule
  6. signal to which an organism responds
  7. a complex carbohydrate made up of many monosaccharides
  8. a larger, more inclusive taxonomic category than a kingdom
  9. reactant of an enzyme-catalyzed reaction
  10. molecules composed of many monomers; makes up macromolecules
  11. subunit of which nucleic acids are composed; made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base
  12. elements or compounds that enter into a chemical reaction
  13. biological catalysts
  14. macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes
  15. a complex cell that has a nucleus
  16. in classification, a group of closely related classes
  17. substance that speeds up the rate of a chemical reaction

30 Clues: biological catalysts • simple sugar molecule • made up of amino acids • organism that lacks a nucleus • a complex cell that has a nucleus • signal to which an organism responds • reactant of an enzyme-catalyzed reaction • small chemical unit that makes up a polymer • in classification, a group of similar genera • largest and most inclusive group in classification • ...

Chemical Interactions Vocabulary 2024-05-22

Chemical Interactions Vocabulary crossword puzzle
Across
  1. a substance in which a solute dissolves to form a solution
  2. a substance defined by a particle composed of two or more different kinds of atoms
  3. an insoluble solid product of a reaction
  4. the ability of a substance to dissolve in a solvent
  5. the transfer of energy (heat) from one particle to another as a result of contact
  6. a substance that dissolves in a solvent to form a solution
  7. to change phase from solid to gas
  8. two or more substances together
  9. the name chemists use for a substance, which contains the names of the elements in that substance
  10. a condition in which a system is experiencing no net change
  11. a substance produced in a chemical reaction
  12. a type of matter defined by a unique particle
  13. anything that has mass and takes up space
  14. to increase in volume as a result of heating
  15. of energy a scientific law stating that no energy is created or destroyed during energy transfers
  16. a mixture formed when one substance dissolves in another
  17. the smallest piece of a substance that is still that substance
  18. a starting substance in a chemical reaction
Down
  1. the change of phase from gas directly to solid; opposite of sublimation
  2. a process during which the atoms of starting substances (reactants) rearrange to form new substances (products)
  3. a code that represents the number and kinds of atoms in one particle of a substance
  4. a particle made of two or more atoms that are held together with strong (covalent) bonds
  5. requirement
  6. reduced in volume as a result of applied pressure
  7. material that can reduce energy transfers
  8. the everyday-language name of a substance
  9. transfer the movement of energy from one location to another
  10. energy transfer that decreases the kinetic energy of a substance’s particles
  11. energy transfer that increases the kinetic energy of a substance’s particles
  12. a restriction or limitation

30 Clues: requirement • a restriction or limitation • two or more substances together • to change phase from solid to gas • an insoluble solid product of a reaction • material that can reduce energy transfers • the everyday-language name of a substance • anything that has mass and takes up space • a substance produced in a chemical reaction • ...

VOCABULARY 2024-10-23

VOCABULARY crossword puzzle
Across
  1. THE BASIC BUILDING BLOCKS OF ALL LIVING THINGS
  2. AND KEY- ENZYME'S ACTIVE SITE AND THE SHAPE OF THE SUBSTRATE MOLECULE ARE COMPLEMENTARY ONE ANOTHER
  3. THE PROCESS WHICH SOLUTES ARE PASSED THROUGH THE CONCENTRATION
  4. TRANSPORT- A TYPE OF MEMEBRANE TRANSPORT THAT DOES NOTREQUIRE ENERGY TO MOVE SUBSTANCES ACROSS CELL MEMEBRANE
  5. A SUBSTANCE THAT IS DISSOLVED IN A SOLVENT TO CREATE A SOLUTION
  6. SOLUTION THAT HAS A LOWER CONCENTRATION OF SOLUTE COMPARED TO THE CELL
  7. OF MATTER- THE FUNDAMENTAL PRINCIPLE THAT MATTER CANNOT BE CREATED OR DESTROYED
  8. RESPIRATION- A PROCESS ON WHICH OXYGEN I USED TO MAKE ENERGY FROM CARBOHYDRATES
  9. AN EXTERNA SOLUTION THAT HAS THE SAME SOLUTE CONCENTRATION AND WATER CONCENTRATION
  10. REACTION- CHEMICAL REACTIONS THAT RELEASE ENERGY FROM THE CHEMICALS INTO THE SURROUNDINGS
  11. TRANSPORT- AGAINST A CONCENTRATION GRADIENT THAT REQUIRES CHEMICAL ENERGY
  12. FIT- THE ENZYMES SHAPE AND COMFIRMATION CHANGING OVER TIME IN RESPONSE TO SUBSTRATE BINDING
  13. THE PROCESS BY WHICH GREEN PLANTS AND OTHER ORGANISM TRANSFORM LIGHT ENERGY INTO CHEMICAL ENERGY
  14. A SOLUTION THAT HAS A LOWER CONCENTRATION OF SOLUTE COMPARED THE CELL
Down
  1. OF ENERGY- ENERGY CAN NEITHER BE CREATED NOR BE DESTROYED
  2. COMPOSED WHOLLY PROTEIN
  3. DIFFUSION- THE PASSIVE MOVEMENT OF MOLECULES ALONG THE CONCENTRATION GRADIENT
  4. A PROTEIN EMBEDDED IN THE CELL MEMBRANE THAT ACTIVELY TRANSPORTS SODIUM IONS OUT OF THE CELL
  5. ENERGY- the minimum energy required to cause a process (such as a chemical reaction) to occur.AEROBIC
  6. THE PROPERTY MEMBRANE THAT ALLOWS CERTAIN MOLECULES TO PASS THROUGH WHILE BLOCKING OTHERS
  7. PROCESS OF CAPTURING SUBSTANCE OR PARTICLE FROM OUTSIDE THE CELL BY ENGULFING WITH THE CELL
  8. NET MOVEMENT OF WATER ACROSSS A SEMIPERMEABLE MEMBRANE
  9. REACTION- ANY CHEMICAL REACTIONS THAT ABSORBS HEAT FROM ITS ENVIRONMENT
  10. OCCURING IN THE PRESENCE OF OXYGEN OR REQUIRING OXYGEN TO LIVE
  11. THE SOURCE OF ENERGY FOR USE AND STORAGE AT THE CELLULAR LEVEL
  12. TRANSPORT- AGAINST A CONCENTRATION GRADIENT THAT REQUIRES CHEMICAL ENERGY
  13. A HOMOGENEOUS MIXTURE OF ONE OR MORE SOLUTES DISSOLVED IN A SOLVENT
  14. REFLECTING TO INVOLVING, OR REQUIRING AN ABSENCE OF FREE OXYGEN
  15. PROCESS OF ADDING A CATALYST TO FACILITATE A REACTION

29 Clues: COMPOSED WHOLLY PROTEIN • THE BASIC BUILDING BLOCKS OF ALL LIVING THINGS • PROCESS OF ADDING A CATALYST TO FACILITATE A REACTION • NET MOVEMENT OF WATER ACROSSS A SEMIPERMEABLE MEMBRANE • OF ENERGY- ENERGY CAN NEITHER BE CREATED NOR BE DESTROYED • THE PROCESS WHICH SOLUTES ARE PASSED THROUGH THE CONCENTRATION • ...

Topics 1-3 Crossword 2013-12-10

Topics 1-3 Crossword crossword puzzle
Across
  1. oxygen combines with other elements to from new substances
  2. any substance used to fertilize the soil
  3. speeds up a chemical reaction
  4. protein molecule in living organisms
  5. chemical used to control pests
  6. mixture of plant compounds used as a chemical indicator
  7. chemical used to control insects
  8. providing nourishment
  9. pH value of less than 7
  10. invertebrate of the phylum Arthropods
  11. pH value of more than 7
Down
  1. unnatural or simulated
  2. fertilizer consisting of potassium nitrate or sodium nitrate
  3. chemical used to control molds and fungi
  4. natural process or in return for cultivation
  5. discharging
  6. something annoying or troublesome
  7. chemical used to control weeds

18 Clues: discharging • providing nourishment • unnatural or simulated • pH value of less than 7 • pH value of more than 7 • speeds up a chemical reaction • chemical used to control pests • chemical used to control weeds • chemical used to control insects • something annoying or troublesome • protein molecule in living organisms • invertebrate of the phylum Arthropods • ...

Topics 1-3 Crossword 2013-12-10

Topics 1-3 Crossword crossword puzzle
Across
  1. oxygen combines with other elements to from new substances
  2. chemical used to control molds and fungi
  3. chemical used to control pests
  4. any substance used to fertilize the soil
  5. fertilizer consisting of potassium nitrate or sodium nitrate
  6. pH value of more than 7
  7. speeds up a chemical reaction
  8. protein molecule in living organisms
  9. natural process or in return for cultivation
Down
  1. providing nourishment
  2. invertebrate of the phylum Arthropods
  3. discharging
  4. chemical used to control insects
  5. something annoying or troublesome
  6. unnatural or simulated
  7. chemical used to control weeds
  8. mixture of plant compounds used as a chemical indicator
  9. pH value of less than 7

18 Clues: discharging • providing nourishment • unnatural or simulated • pH value of more than 7 • pH value of less than 7 • speeds up a chemical reaction • chemical used to control pests • chemical used to control weeds • chemical used to control insects • something annoying or troublesome • protein molecule in living organisms • invertebrate of the phylum Arthropods • ...

Chapter 3 Vocab Crossword 2019-04-02

Chapter 3 Vocab Crossword crossword puzzle
Across
  1. site A region on an enzyme that binds to a protein or other substance during a reaction.
  2. Inhibition The inhibitor binds to the enzyme's active site and prevents the substrate from binding, stops the reaction from happening
  3. Energy The minimum energy required to allow a certain chemical reaction to occur
  4. The substance on which an enzyme acts
  5. Enzymes An enzyme that is attached to an inert, insoluble substance. Can provide increased resistance to changes in conditions
  6. Complex The intermediate formed when a substrate interacts with the active site of an enzyme
  7. Inhibitor The reaction product inhibits the enzyme activity
  8. Something which prevents an enzyme from working in the normal manner
  9. Inhibitor An enzyme inhibitor which does not prevent the enzyme from functioning properly permanently
  10. Rate of Reaction Instantaneous rate of reaction at the start and first few seconds of the reaction
  11. Fit Hypothesis The binding of a substrate or some other molecule to an enzyme causes a change in the shape of the enzyme so as to enhance or inhibit its activity
Down
  1. The maximum rate of reaction when the enzyme is saturated with substrate
  2. To prevent an enzyme from working in the normal manner
  3. Protein molecules that act as biological catalysts
  4. Inhibition The inhibitor can bind to the enzyme without preventing the substrate from binding, lowers the enzyme's efficiency
  5. Operating within the cell
  6. Mechanism A process that uses the conditions of one component to regulate the function of the other. It is done to either increase or dampen the change in the system.
  7. Catalysts A molecule which speeds up a chemical reaction
  8. Operating outside of the cell
  9. What is left after the enzyme binds with the substrate
  10. A measure of how acidic or basic something is on a scale of 1-14 with 1 being most acidic, 7 being neutral, and 14 being most basic
  11. pH The pH level at which a specific enzyme can work most effectively
  12. Rate The number of chemical conversions of the substrate molecules per second at a catalytic site for a given enzyme concentration
  13. To alter the structure of a protein by breaking bonds

24 Clues: Operating within the cell • Operating outside of the cell • The substance on which an enzyme acts • Protein molecules that act as biological catalysts • To alter the structure of a protein by breaking bonds • To prevent an enzyme from working in the normal manner • What is left after the enzyme binds with the substrate • ...

Chemical Reactions 2024-05-10

Chemical Reactions crossword puzzle
Across
  1. any description or measurement gathered by the senses or instruments
  2. a path along which electrical energy can transfer
  3. to mix into another substance at the scale of particles
  4. the basic building block of matter
  5. the systematic study of the natural world
  6. a chemical substance that enters into a reaction
  7. mass of a substance per unit of volume
  8. an advantage, profit, or gain
  9. a chemical process that cuts into a solid surface
  10. in engineering design, the goals and the desired features of the solution
  11. making connections between the results of an experiment and the idea or question being investigated
Down
  1. any representation of a system used to help one understand and communicate how it works
  2. information gathered from an experiment or observation
  3. a chemical substance that is formed by the reactants
  4. two or more atoms held together by chemical bonds
  5. information that supports or refutes a claim
  6. a chemical _____ is a process during which a substance or substances change into one or more new substances
  7. in engineering design, something that limits the solution to a problem
  8. the ability to cause objects to change, move, or work
  9. the simplest pure substances made from just one type of atom

20 Clues: an advantage, profit, or gain • the basic building block of matter • mass of a substance per unit of volume • the systematic study of the natural world • information that supports or refutes a claim • a chemical substance that enters into a reaction • two or more atoms held together by chemical bonds • a path along which electrical energy can transfer • ...

)!*W%@^( 2022-08-31

)!*W%@^( crossword puzzle
Across
  1. a particulate of matter that uniquely defines a chemical element
  2. a subatomic particle with a charge of negative electricity
  3. the approximate weight of an atom
  4. synonym for unreactive
  5. a group of elements held together by chemical bonds
  6. an element that is not metal
  7. the substance or substances of which any physical object consists
  8. the number of protons in the nucleus of an atom
  9. the outermost electron
  10. the columns on the periodic table
Down
  1. the impulse for which a chemical substance undergoes a chemical reaction
  2. an element with properties inbetween metal and nonmetal
  3. the system of electrons surrounding the nucleus of an atom
  4. the rows on periodic table
  5. a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction
  6. the physical property of matter that causes charged matter to experience a force when placed in an electromagnetic field
  7. a subatomic particle without an electric charge
  8. An equation that states
  9. an element that has metal like characteristics
  10. any of the gaseous element of group 8
  11. an equation to find the neutron count of any given atom
  12. the central core of an atom, consisting of protons and neutrons

22 Clues: synonym for unreactive • the outermost electron • An equation that states • the rows on periodic table • an element that is not metal • the approximate weight of an atom • the columns on the periodic table • any of the gaseous element of group 8 • an element that has metal like characteristics • a subatomic particle without an electric charge • ...

Chemistry Crossword 2017-11-07

Chemistry Crossword crossword puzzle
Across
  1. The smallest part of an element
  2. The sum of protons and neutrons in an atom
  3. The most stable and nonreactive elements
  4. A change that results when two or more substances react to create a different substance or substances; the new substances have completely different properties from the original ones
  5. A chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  6. A combination of symbols that represent a compound; the formula identifies the elements in the compound and the amount of each element
  7. Invisible negatively charged particle that orbits the nucleus of an atom
  8. The ability of a substance to conduct electricity or heat
  9. Substance that helps a chemical reaction to proceed more quickly
  10. A pure substance formed when two non-metals combine
  11. A cloudy mixture that cannot be separated out from the other substance
  12. A slow chemical change that occurs when oxygen in the air reacts with a metal
  13. The most reactive non-metal
  14. An atom that has become electrically charged by losing or gaining electrons
Down
  1. An experiment in which all reactants and all products of a chemical reaction are accounted for
  2. A reaction that takes place when two or more substances react to form new substances
  3. The mass of one atom
  4. The most reactive of metals
  5. A pure substance formed when a metal and non-metal combine
  6. A chemical combination of two or more elements in a specific ratio
  7. The vertical columns in the periodic table
  8. The number of protons in the nucleus of one atom of an element
  9. An element that has both metallic and non-metallic properties
  10. Orbit of electrons around the nucleus of an atom
  11. A pure substance that cannot be broken down into other substances; substance made up of only one type of atom

25 Clues: The mass of one atom • The most reactive of metals • The most reactive non-metal • The smallest part of an element • The most stable and nonreactive elements • The sum of protons and neutrons in an atom • The vertical columns in the periodic table • Orbit of electrons around the nucleus of an atom • A pure substance formed when two non-metals combine • ...

Chemical Reactions 2024-01-23

Chemical Reactions crossword puzzle
Across
  1. when a substance goes through a change and a new substance is formed
  2. A scientific law that states matter cannot be created or destroyed only changed in form
  3. Substances created from a chemical reaction
  4. Postitive particle of an atom
  5. A solid created by two or more liquid solutions
Down
  1. Substances that go into a chemical reaction
  2. A chemical reaction that absorbs heat energy
  3. Negative particle of an atom
  4. A chemical reactin that releases heat energy
  5. Smallest unit of matter

10 Clues: Smallest unit of matter • Negative particle of an atom • Postitive particle of an atom • Substances that go into a chemical reaction • Substances created from a chemical reaction • A chemical reaction that absorbs heat energy • A chemical reactin that releases heat energy • A solid created by two or more liquid solutions • ...

S2 Elements, Compounds and Chemical Reactions 2023-02-19

S2 Elements, Compounds and Chemical Reactions crossword puzzle
Across
  1. a sign of a chemical reaction
  2. the chemical symbol is O
  3. when atleast two elements are joined together
  4. the chemical symbol is Na
  5. All the different elements are arranged in a chart
  6. found to the left of the periodic table
  7. group 7 of the periodic table
  8. when elements fuse/join together
  9. contains only one type of atom
Down
  1. metals are good conductors of this
  2. substances that are formed in a reaction
  3. found to the right of the periodic table
  4. physical appearance of a metal when cut into
  5. meaning they can be bent and shaped without breaking
  6. the smallest part of an element
  7. The different substances are not chemically joined together

16 Clues: the chemical symbol is O • the chemical symbol is Na • a sign of a chemical reaction • group 7 of the periodic table • contains only one type of atom • the smallest part of an element • when elements fuse/join together • metals are good conductors of this • found to the left of the periodic table • substances that are formed in a reaction • ...

science crossword 2019-03-07

science crossword crossword puzzle
Across
  1. A substance that accepts hydrogen ions
  2. Description of a chemical reaction in which there is a net release of energy
  3. ion A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule
  4. A measure of the acidity of a solution; equal to the negative logarithm of the hydronium ion concentration
  5. The new materials formed in a chemical reaction
  6. Any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
Down
  1. A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule
  2. Description of a chemical reaction in which there is a net absorption of energy
  3. An ionic compound commonly formed from the reaction between an acid and a base
  4. Description of a solution in which the hydronium ion concentration is equal to the hydroxide ion concentration

10 Clues: A substance that accepts hydrogen ions • The new materials formed in a chemical reaction • A polyatomic ion made by adding a proton (hydrogen ion) to a water molecule • Description of a chemical reaction in which there is a net release of energy • An ionic compound commonly formed from the reaction between an acid and a base • ...

Enzymes 2024-10-15

Enzymes crossword puzzle
Across
  1. A substance that speeds up the rate of a chemical reaction by lowering the activation energy.
  2. Site The part of the enzyme where the substrate(s) bind
  3. The elements or compounds that enter into a chemical reaction
  4. Biological catalysts that speed up chemical reactions that occur in a cell.
Down
  1. The elements or compounds that are produced by a chemical reaction
  2. Energy The amount of energy needed to start a chemical reaction
  3. The reactants of an enzyme-catalyzed reaction; Binds to the enzyme at the active site.
  4. Reaction A process that changes or transforms one set of compounds into another

8 Clues: Site The part of the enzyme where the substrate(s) bind • The elements or compounds that enter into a chemical reaction • Energy The amount of energy needed to start a chemical reaction • The elements or compounds that are produced by a chemical reaction • Biological catalysts that speed up chemical reactions that occur in a cell. • ...

chemistry 2025-05-07

chemistry crossword puzzle
Across
  1. a thing that is composed of two or more separate elements
  2. bonding using arrows. loses or gains
  3. changes from liquid to gas
  4. chemical symbol of lithium
  5. 4/2
  6. 0/-1
  7. changes from gas to liquid
  8. has a definite shape
  9. the amount of matter in an object
  10. anything that takes up space
Down
  1. no defined shape but definite volume
  2. uses circles to show bonding. shares
  3. have a neutral charge
  4. a type of reaction that changes the chemical
  5. basic unit to chemical element
  6. electron electron in the outermost shell of an atom
  7. chemical name of Mg
  8. You can find this by looking at the atomic number
  9. no defined shape or volume
  10. the chemical name of Au

20 Clues: 4/2 • 0/-1 • chemical name of Mg • has a definite shape • have a neutral charge • the chemical name of Au • changes from liquid to gas • chemical symbol of lithium • no defined shape or volume • changes from gas to liquid • anything that takes up space • basic unit to chemical element • the amount of matter in an object • no defined shape but definite volume • ...

Enzyme 2026-03-03

Enzyme crossword puzzle
Across
  1. A reaction that absorbs free energy from the surroundings
  2. A substance produced after a chemical reaction
  3. Energy required to start any reaction
  4. A reaction that has a net release of free energy
  5. Flexible active site that changes shape, or conforms, to the substrate as they bond together
  6. Organic cofactors
Down
  1. process of breaking down large molecules into smaller ones
  2. Active site with a specific shape
  3. A molecule that reduce or stop an enzyme from functioning
  4. A substance that takes part in and undergoes change during a reaction
  5. Sum of all the chemical reactions occurring in a cell
  6. Process of making large molecules from smaller ones

12 Clues: Organic cofactors • Active site with a specific shape • Energy required to start any reaction • A substance produced after a chemical reaction • A reaction that has a net release of free energy • Process of making large molecules from smaller ones • Sum of all the chemical reactions occurring in a cell • A molecule that reduce or stop an enzyme from functioning • ...

Biology 10 Terms to Know 2021-11-08

Biology 10 Terms to Know crossword puzzle
Across
  1. building blocks of protein
  2. Makes proteins
  3. rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
  4. a very large molecule built from smaller chemical structures
  5. a substance that takes part in and undergoes change during a reaction.
  6. product A substance produced in a chemical reaction
  7. A building block of DNA
  8. reactant of an enzyme-catalyzed reaction
  9. A part of the cell containing DNA and RNA and responsible for growth and reproduction
  10. organelle responsible for packaging, modifying and sending proteins
Down
  1. double helix
  2. source of energy, structural component in plants
  3. The range of pH and temperature in which an enzyme works best
  4. the rate at which reactants change into products over time
  5. energy needed to
  6. the process by which molecules move from an area of higher concentration to an area of lower concentration
  7. material across the cell
  8. Compound containing carbon, hydrogen, and oxygen
  9. surrounds the cell, is semipermeable
  10. wall Prokaryote
  11. small parts of the cell that do various works
  12. organelle that supports the cell and is involved with structure
  13. Diffusion of water through a selectively permeable membrane
  14. A substance produced in a chemical reaction
  15. made of amino acids

25 Clues: double helix • Makes proteins • wall Prokaryote • energy needed to • made of amino acids • A building block of DNA • material across the cell • building blocks of protein • surrounds the cell, is semipermeable • reactant of an enzyme-catalyzed reaction • A substance produced in a chemical reaction • small parts of the cell that do various works • ...

Chem final crossword 2020-06-11

Chem final crossword crossword puzzle
Across
  1. how far something is
  2. lowest something is or can be
  3. the branch of science that deals with the identification of the substances of which matter is composed
  4. a compound that produces OH-ions or electrons in water or that accepts protons
  5. has a pH less than 7
  6. an element with the symbol C
  7. send something into the air
  8. useable power such as heat or electricity
  9. basic unit of matter
  10. show variation on a graph
  11. the substances that combine in a chemical reaction
  12. a substance made from a chemical reaction
  13. make something
Down
  1. a chemical reaction between a fuel and oxygen
  2. degree of compactness of a substance
  3. twp or more substances combining to form a new substance
  4. where all mankind live
  5. the movement of particles from an area of higher concentration to one of lower concentration
  6. the scientific understanding of how the universe formed
  7. the state of the atmosphere outside
  8. figure formed by two lines
  9. anything having mass and taking up space
  10. how hot or cold something is
  11. highest something is or can be
  12. make something
  13. how fast or slow something is

26 Clues: make something • make something • how far something is • has a pH less than 7 • basic unit of matter • where all mankind live • show variation on a graph • figure formed by two lines • send something into the air • an element with the symbol C • how hot or cold something is • lowest something is or can be • how fast or slow something is • highest something is or can be • ...

Chemistry of Life 2024-12-10

Chemistry of Life crossword puzzle
Across
  1. A chemical that speeds up chemical reactions in biological organisms.
  2. Two ways we get necessary elements into our bodies. (2 words)
  3. A large molecule made of repeating parts.
  4. The chemicals that go into a reaction.
  5. A macromolecule that includes antibodies.
  6. A function of lipids
  7. An example of a nucleic acid.
  8. he monomer of a nucleic acid.
  9. An example of a protein hormone.
  10. An example of a disaccharide.
  11. The location on an enzyme where it binds to a substrate. (2 words)
  12. A macromolecule that makes up exoskeletons.
  13. The monomers of proteins.
Down
  1. The monomer of a carbohydrate.
  2. A small unit that can join with others to form a polymer.
  3. Components of lipids. (3 words)
  4. A large molecule.
  5. The six elements most abundant in living organisms.
  6. The location on a substrate where it binds to an enzyme.
  7. The chemical that an enzyme acts on.
  8. Enzymes work by lowering the __________ of a reaction. (2 words)
  9. The main function of carbohydrates.
  10. A macromolecule that carries genetic information. (2 words)
  11. The chemicals that come out of a reaction.
  12. An example of a lipid

25 Clues: A large molecule. • A function of lipids • An example of a lipid • The monomers of proteins. • An example of a nucleic acid. • he monomer of a nucleic acid. • An example of a disaccharide. • The monomer of a carbohydrate. • Components of lipids. (3 words) • An example of a protein hormone. • The main function of carbohydrates. • The chemical that an enzyme acts on. • ...

Chemistry So Far 2015-05-25

Chemistry So Far crossword puzzle
Across
  1. Used to measure pH
  2. ______ Decay: A type of nuclear reaction emitting a particle from the nucleus
  3. ______ Electrons: Electrons in an atom's outermost shell
  4. A product of a neutralisation reaction
  5. Atoms of an element with different numbers of neutrons
  6. Number of protons in an atom (2 words)
  7. Paint stripper, oven cleaner, and cement are an example of this (2 words)
  8. A reaction that absorbs energy from its surroundings
  9. The pH of lemon juice
  10. The name for an ion of Chlorine
  11. Bond between two oppositely charged ions
Down
  1. This type of combustion reaction produces carbon monoxide
  2. _____ Gas: Combustion requires this
  3. This type of reaction is the breakdown of a metal by oxygen
  4. An unstable isotope of an element
  5. Releases OH- ions in water
  6. Respiration is this type of reaction
  7. Negatively charged particle
  8. 4NH3 + __O2 → 4NO + 6H2O
  9. A solution with a pH of 7
  10. The substances you start with in a chemical reaction
  11. Releases H+ ions in water

22 Clues: Used to measure pH • The pH of lemon juice • 4NH3 + __O2 → 4NO + 6H2O • A solution with a pH of 7 • Releases H+ ions in water • Releases OH- ions in water • Negatively charged particle • The name for an ion of Chlorine • An unstable isotope of an element • _____ Gas: Combustion requires this • Respiration is this type of reaction • A product of a neutralisation reaction • ...

Grade 11 Chemistry Review 2024-08-29

Grade 11 Chemistry Review crossword puzzle
Across
  1. temperature system used in gas law calculations
  2. how much an atom wants an electron
  3. metal with ic suffix uses the ________val
  4. measures the strength of acids and bases
  5. group of inert elements
  6. he named the atom
  7. procedure using burettes
  8. horizontal row on the periodic table
  9. atom that has lost electrons
  10. type of bonds are determined by these values
  11. substance that is used up first in a chemical reaction
  12. law of constant composition
  13. outermost electrons in an atom
  14. number electrolyte solution that conducts electricity
Down
  1. reaction that uses an activity series
  2. the sharing of electrons between atoms
  3. diagrams using dots
  4. the simplest chemical formula
  5. reaction between acids and bases
  6. the work it takes to remove an electron from an atom
  7. 2 reactants make up 1 product
  8. he advanced the study of the atom
  9. 6.02x1023 ia known as __________number
  10. atoms of the same element with different masses
  11. electrostatic force of attraction between ions of opposite charge
  12. water is known as this
  13. makes up a solution with a solute
  14. a solution that cannot dissolve anything more at a fixed temperature
  15. process of naming chemical substances

29 Clues: he named the atom • diagrams using dots • water is known as this • group of inert elements • procedure using burettes • law of constant composition • atom that has lost electrons • the simplest chemical formula • 2 reactants make up 1 product • outermost electrons in an atom • reaction between acids and bases • he advanced the study of the atom • makes up a solution with a solute • ...

Unit 3 Chem menu 2024-10-20

Unit 3 Chem menu crossword puzzle
Across
  1. the value that includes all the markings on your piece of equipment
  2. the amount of product that should be produced
  3. the value one place past the last marking on your equipment
  4. the amount of product that really is produced
  5. wrote the atomic theory which led to the law of conservation
  6. the reactant that is left over after the reaction goes to completion
  7. the known + estimated values
  8. what is product in a chemical reaction
  9. atoms are not created or destroyed during any chemical reaction
  10. a chemical formula in which atoms on both sides are equal
  11. what kind of whole number ratio should the coefficients be?
Down
  1. what do you use to balance?
  2. compares theoretical yield to actual yield
  3. what is required for stoich problems?
  4. the reactant that determines the max amount of product that can be made
  5. the founder of modern chemistry
  6. the conversion of amount of one substance to amount of another
  7. A shortcut for stoich is to _______ the number of moles in the equation by the molar mass.
  8. Substance that undergoes change
  9. your answer should be rounded to have the same amount of sig figs as which measurement?

20 Clues: what do you use to balance? • the known + estimated values • the founder of modern chemistry • Substance that undergoes change • what is required for stoich problems? • what is product in a chemical reaction • compares theoretical yield to actual yield • the amount of product that should be produced • the amount of product that really is produced • ...

Acids and Bases 2025-09-02

Acids and Bases crossword puzzle
Across
  1. Used to represent the concentration of acids and bases.
  2. A solution with a pH greater than 7 are.
  3. Reactant + _____________--------> product(s).
  4. What element is found in the Periodic Table in group 2, period 3 ?
  5. Solutions with a pH less than 7 are.
  6. What turns red in an acidic solution and remains blue when added to an alkali solution?.
  7. Elements on the Periodic Table are placed in order according to their.
  8. The minimum amount of energy required for a chemical reaction to proceed is called
  9. The pH of distilled water.
Down
  1. Cutting or grinding up a reactant increases this.
  2. Outermost level in the electron arrangement.
  3. The acid found in lemons and oranges.
  4. A special chemical that speeds up the rate of a reaction but are not used up in that reaction.
  5. This element is given the chemical symbol 'K'.
  6. Very small particle that exists outside the centre (nucleus) of the atom.
  7. What affects the speed of particles.
  8. A positive ion.
  9. What element is found in the Periodic Table in group 11, period 5?
  10. The gas produced when an acid reacts with a metal.
  11. A negative ion.

20 Clues: A positive ion. • A negative ion. • The pH of distilled water. • Solutions with a pH less than 7 are. • What affects the speed of particles. • The acid found in lemons and oranges. • A solution with a pH greater than 7 are. • Outermost level in the electron arrangement. • Reactant + _____________--------> product(s). • This element is given the chemical symbol 'K'. • ...

PHOTOSYNTHESIS 2026-03-11

PHOTOSYNTHESIS crossword puzzle
Across
  1. The green pigment that captures sunlight in plants
  2. The gas released as a byproduct of photosynthesis
  3. The membrane where the light-dependent reactions take place
  4. An electron carrier used in photosynthesis to help build sugars
  5. The main molecule cells use to store and transfer energy.
  6. A chemical reaction involving both oxidation and reduction
  7. The fluid-filled space in a chloroplast where the Calvin cycle occurs
  8. The stage of photosynthesis that requires light to produce ATP and NADPH.
  9. A series of molecules that move electrons to generate energy
  10. A substance split during the light reactions of photosynthesis
Down
  1. A group of proteins and pigments that capture light energy
  2. The space inside a thylakoid where hydrogen ions build up
  3. A sugar made during photosynthesis that stores energy
  4. The process of incorporating CO₂ into organic molecules
  5. The set of reactions that turns carbon dioxide into glucose
  6. A chemical reaction where a molecule loses electrons
  7. A chemical reaction where a molecule gains electrons
  8. A positively charged hydrogen particle (H⁺)
  9. The protein complex that produces ATP using a proton gradient
  10. The process where light splits water molecules

20 Clues: A positively charged hydrogen particle (H⁺) • The process where light splits water molecules • The gas released as a byproduct of photosynthesis • The green pigment that captures sunlight in plants • A chemical reaction where a molecule loses electrons • A chemical reaction where a molecule gains electrons • A sugar made during photosynthesis that stores energy • ...

Van Gogh painting 2025-03-27

Van Gogh painting crossword puzzle
Across
  1. A Dutch post-impressionist painter known for his vivid colors and emotional depth.
  2. A form of electromagnetic radiation used in various analytical techniques, including material analysis.
  3. A technique used to measure and analyze the interaction of light with matter.
  4. Ions Chemical species containing sulfur with a -2 charge, believed to play a role in the reduction of chromium.
  5. A chemical element with the symbol Cr, known for its multiple oxidation states including Cr(III) and Cr(VI).
  6. Transformations in the chemical composition of substances due to reactions.
  7. A bright yellow pigment made from lead chromate, used by van Gogh in his paintings.
  8. A measure of heat, which can influence the rate of chemical reactions.
  9. The practice of preserving and maintaining artworks to prevent deterioration.
  10. Subatomic particles with a negative charge involved in chemical reactions.
  11. A chemical reaction involving the loss of electrons, resulting in an increase in oxidation state.
  12. The detailed examination or study of materials to understand their composition and properties.
  13. A chemical element that may be associated with areas containing reduced chromium in van Gogh's paintings.
  14. The minimum energy required for a chemical reaction to occur.
  15. A substance that gives color to materials by absorbing certain wavelengths of light.
  16. A chemical reaction involving the gain of electrons, often leading to a decrease in oxidation state.
Down
  1. A reference to painters from the Flanders region, such as Rik Wouters, a contemporary of van Gogh.
  2. The methods and processes used by artists to create their works.
  3. A type of electromagnetic radiation that can cause chemical changes in materials.
  4. The process by which materials take in light, affecting their color appearance.
  5. A green pigment identified as a degradation product of chrome yellow.
  6. The darkening observed in certain yellow paints due to chemical changes over time.
  7. A color resulting from the alteration of yellow pigments in van Gogh's works.
  8. An observable event or occurrence, especially one that is unusual or scientifically interesting.
  9. Structures at the nanoscale that can influence the properties of materials, including color.
  10. The act of keeping something in its original state or in good condition.
  11. The process by which a substance breaks down into simpler components.

27 Clues: The minimum energy required for a chemical reaction to occur. • The methods and processes used by artists to create their works. • A green pigment identified as a degradation product of chrome yellow. • The process by which a substance breaks down into simpler components. • A measure of heat, which can influence the rate of chemical reactions. • ...

Chemical Kinetics and Equilibrium 2023-04-18

Chemical Kinetics and Equilibrium crossword puzzle
Across
  1. how much of a reactant or product?
  2. removal of something in an equilibrium
  3. reaction goes one way (forward) and uses up reactants
  4. in order for a reaction to occur, the particles must _____ with each other
  5. addition of something in an equilibrium
  6. how much heat is needed?
  7. reaction goes both ways and continuously uses up/creates reactants and products
  8. happens when the rates of the forward and reverse reactions are equal
  9. K
  10. process of creating ammonia
  11. is something else added to the reaction to speed it up?
Down
  1. how big are the chemical components?
  2. reversible reaction where multiple states are involved
  3. if an equilibrium is disturbed, it will shift to reestablish equilibrium
  4. study the rate of reactions
  5. a reaction that results in a gain in heat
  6. Q
  7. the amount of energy needed to get to the activated complex
  8. the basis of determining rate of reactions
  9. a reaction that results in a loss of heat

20 Clues: Q • K • how much heat is needed? • study the rate of reactions • process of creating ammonia • how much of a reactant or product? • how big are the chemical components? • removal of something in an equilibrium • addition of something in an equilibrium • a reaction that results in a gain in heat • a reaction that results in a loss of heat • ...