chemical reaction Crossword Puzzles

Chemistry Crossword 2021-03-04

Chemistry Crossword crossword puzzle
Across
  1. First element
  2. Matter is not equal on both sides
  3. Comes before the reaction
  4. Matter is equal on both sides
Down
  1. Reactant, Arrow, Product
  2. Nothing is created or destroyed
  3. Happens during a chemical reaction
  4. Between the reactant and product
  5. Has mass and takes up space
  6. Comes after the reaction

10 Clues: First element • Reactant, Arrow, Product • Comes after the reaction • Comes before the reaction • Has mass and takes up space • Matter is equal on both sides • Nothing is created or destroyed • Between the reactant and product • Matter is not equal on both sides • Happens during a chemical reaction

chemistry crossword 2022-05-24

chemistry crossword crossword puzzle
Across
  1. The reactions in which both oxidation and reduction are occurring together are called ___________ reaction.
  2. Fe+CuSO4= FeSO4 + Cu is an example of ____________ reaction.
  3. Energy in the form of heat is released in _______ reaction.
  4. An equation should be _________ to obey the law of conservation of mass.
  5. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change is called ____________.
Down
  1. when C and O2 are combined, CO2 is received as a __________.
  2. A reaction in which oxygen is added or hydrogen is removed from a substance is called ___________ reaction.
  3. In ____________ reaction, two or more reactants react to produce one product.

8 Clues: Energy in the form of heat is released in _______ reaction. • when C and O2 are combined, CO2 is received as a __________. • Fe+CuSO4= FeSO4 + Cu is an example of ____________ reaction. • An equation should be _________ to obey the law of conservation of mass. • In ____________ reaction, two or more reactants react to produce one product. • ...

Crossword Puzzle Chapter 3 2025-04-23

Crossword Puzzle Chapter 3 crossword puzzle
Across
  1. Rust forming on a bike is an example of what type of change?
  2. The temperature in which a solid changes to a liquid
  3. The ability to dissolve
  4. A Physical property that allows some materials to attract certain metals
  5. The point or temperature in which a liquid changes into a gas
  6. When water heats up and starts to evaporate
  7. A physical property that allows some materials to be easily moved or folded with ease
  8. Flammability and ability to rust is an example of which type of property?
  9. A chemical property that shows how easy or hard a material can be to ignite or set on fire
  10. When you mix two liquids to make a solid
Down
  1. States that the total mass before a chemical reaction is the same as the total mass after the chemical reaction
  2. A physical property that allows electricity to flow through certain metals.
  3. Size, color, and temperatures is an example of what type of property?
  4. When you burn a piece of paper is an example of what type of change?
  5. A chemical property that forms when iron reacts with water and oxygen

15 Clues: The ability to dissolve • When you mix two liquids to make a solid • When water heats up and starts to evaporate • The temperature in which a solid changes to a liquid • Rust forming on a bike is an example of what type of change? • The point or temperature in which a liquid changes into a gas • When you burn a piece of paper is an example of what type of change? • ...

LS Bio 1.1 & 1.2: Macromolecules & Enzymes VOCAB Quiz #1 2025-08-21

LS Bio 1.1 & 1.2: Macromolecules & Enzymes VOCAB Quiz #1 crossword puzzle
Across
  1. The subunits that make up polymers, each polymer has a specific type of monomer.
  2. A macromolecule made of nucleotides. It stores and transmits genetic information in living things.
  3. A large molecule (macromolecule) composed of repeating units called monomers.
  4. A single sugar molecule, such as glucose or fructose.
  5. Monomer that makes up proteins.
  6. Monomer of nucleic acids, composed of a phosphate, sugar, and nitrogen containing base.
  7. A protein that acts as a biological catalyst, speeding up chemical reactions in living organisms.
Down
  1. All the chemical reactions that occur inside a living thing to maintain homeostasis.
  2. A structural change in an enzyme at its active site; this will cause the enzyme to stop functioning.
  3. Anything that speeds up a chemical reaction
  4. A macromolecule made of sugar monomers. Used mainly as a quick energy source for living things.
  5. A macromolecule made of amino acids.
  6. The minimum amount of energy required to initiate a chemical reaction.
  7. The molecule that carries genetic instructions passed from parents to offspring. It contains the code for making proteins.
  8. Fats, oils or waxes that provide living things with stored energy, insulation, protection, and waterproofing.

15 Clues: Monomer that makes up proteins. • A macromolecule made of amino acids. • Anything that speeds up a chemical reaction • A single sugar molecule, such as glucose or fructose. • The minimum amount of energy required to initiate a chemical reaction. • A large molecule (macromolecule) composed of repeating units called monomers. • ...

Reactions in Plants 2025-10-22

Reactions in Plants crossword puzzle
Across
  1. a new substance made in chemical reaction.
  2. a process that plants use to make their own food. It needs light to work
  3. a type of respiaration in which oxygen is used to release energy from subtances, such as glucose
  4. an important sugar, which is used as a reactant in respiration.
  5. a variable that prevents the rate (speed) of process from becoming any faster.
Down
  1. a way of writing out what happens in a chemical reaction using symbols to represent the subtances invloved.
  2. a substance used to make other substance.
  3. tube made of living phloem cells that transports dissolved substances around the plant.
  4. the green substance found insied choloroplasts. It traps energy transferred by light.
  5. a green disc containing chlorophyll, found in plant cells. Where the plants makes food, using photosynthesis
  6. a substance that takes part in chemical reaction.

11 Clues: a substance used to make other substance. • a new substance made in chemical reaction. • a substance that takes part in chemical reaction. • an important sugar, which is used as a reactant in respiration. • a process that plants use to make their own food. It needs light to work • a variable that prevents the rate (speed) of process from becoming any faster. • ...

Properties of Matter Crossword 2023-02-15

Properties of Matter Crossword crossword puzzle
Across
  1. a chemical property that usually appears on bread
  2. a chemical change used in demolition(think of a bomb)
  3. a powder like substance
  4. creates and new substance and gives off heat or light
  5. a physical change that deals with how it looks
  6. a physical change that happens when you leave ice out
  7. a chemical change we see when we are boiling something
  8. a type of conductivity that goes with technology
  9. the temperature when a liquid substance goes from gas to liquid
Down
  1. ability of substance to form a new substance
  2. the state or process of rotting or decay
  3. detected by the senses or can be identified without a chemical reaction
  4. changes state of matter without creating a new substance
  5. how much stuff is in a given amount of space.
  6. a physical change can't be created or ______
  7. a chemical change that we do everyday in our kitchen
  8. anything that takes up space and can be weighed
  9. a chemical change that has a burning sensation
  10. another word for rust
  11. a physical change that you need scissors or a knife for

20 Clues: another word for rust • a powder like substance • the state or process of rotting or decay • ability of substance to form a new substance • a physical change can't be created or ______ • how much stuff is in a given amount of space. • a physical change that deals with how it looks • a chemical change that has a burning sensation • ...

Checkpoint 2- 8th 2025-10-23

Checkpoint 2- 8th crossword puzzle
Across
  1. Hot temperature change ; evidence of chemical change
  2. Letter on the Periodic Table
  3. Cannot be destroyed;Law of Conservation
  4. Forced that occur when two objects are in contact
  5. Powdery substance or film that forms as evidence for a chemical change
  6. When two unequal forces interact
  7. Single, Pure Substance; One Capital Letter
  8. Initial force on an object; 3rd Law of Motion
  9. Mixture of multiple elements; Multiple Capital Letters
  10. Forces that occur in every day life I.e gravity
  11. Type of change that only affects the appearance of an object
Down
  1. A pulling force dragging items towards Earth
  2. The number of atoms of a single chemical
  3. Secondary force on an objects; 3rd Law of Motion
  4. Any Change in motion
  5. Tendency to resist change; 1st Law of Motion
  6. Cold Temperature change; evidence of chemical change
  7. Net Force = 0
  8. Type of change that is irreversible and produces substance with mew properties
  9. Force that occurs when two objects are rubbing against each other
  10. Total amount of force acting on an object
  11. The number of chemical compounds used in a formula

22 Clues: Net Force = 0 • Any Change in motion • Letter on the Periodic Table • When two unequal forces interact • Cannot be destroyed;Law of Conservation • The number of atoms of a single chemical • Total amount of force acting on an object • Single, Pure Substance; One Capital Letter • A pulling force dragging items towards Earth • Tendency to resist change; 1st Law of Motion • ...

Chapter 5 2022-05-03

Chapter 5 crossword puzzle
Across
  1. when one element replaces another in a compound
  2. A change that alters the appearance
  3. The new substances that are formed
  4. Used to decrease the speed of chemical reactions.
  5. states that matter isn’t destroyed or created
  6. Provide a surface for reactions to take place
  7. increases the reaction rate
  8. When matter changes to form a new substance
  9. The minimum amount needed to start chemical reactions
Down
  1. When the bonds can’t break down the product, this normally produces heat
  2. Numbers used to balance the chemical equation
  3. When more energy is required to break the bonds of the reactants
  4. A way to show chemical reactions using symbols
  5. When two compounds break down to form simple elements
  6. A solid that forms form liquids
  7. To combine elements to form a compound
  8. Substances that undergo chemical change
  9. The amount of a substance in one area

18 Clues: increases the reaction rate • A solid that forms form liquids • The new substances that are formed • A change that alters the appearance • The amount of a substance in one area • To combine elements to form a compound • Substances that undergo chemical change • When matter changes to form a new substance • Numbers used to balance the chemical equation • ...

Chemical Reactions 2022-11-09

Chemical Reactions crossword puzzle
Across
  1. Chemical reactions can _____,
  2. _____ reactions occur automatically, without any catalysts or assistance
  3. _____are simple alterations in the appearance or feel of matter that do not alter its fundamental composition
  4. Chemical changes that give off heat are _____
  5. _____ compounds and molecules
  6. Scientists often wear protective gear because some chemical reactions can be _____
Down
  1. Two kinds of evidence that a chemical reaction has taken place are a change in _____
  2. or _____
  3. _____, or
  4. Chemical changes that absorb heat are _____
  5. The processes of creating and/or destroying chemical bonds change the makeup and properties of substances, and are called _____
  6. When properly harnessed, many chemical reactions are _____

12 Clues: or _____ • _____, or • Chemical reactions can _____, • _____ compounds and molecules • Chemical changes that absorb heat are _____ • Chemical changes that give off heat are _____ • When properly harnessed, many chemical reactions are _____ • _____ reactions occur automatically, without any catalysts or assistance • ...

Science Finals Review 2022-11-22

Science Finals Review crossword puzzle
Across
  1. needs energy
  2. Are substances composed of macromolecules.
  3. Join with similar molecules to form
  4. a reactant in a chemical reaction.
  5. Holds water molecules together and movement of water in plants; surface tension.
Down
  1. breaking of the bonds.
  2. A substance that is made up of two elements.
  3. no energy
  4. A substance that is altered during the chemical reaction.
  5. what type of energy does active transport need?

10 Clues: no energy • needs energy • breaking of the bonds. • a reactant in a chemical reaction. • Join with similar molecules to form • Are substances composed of macromolecules. • A substance that is made up of two elements. • what type of energy does active transport need? • A substance that is altered during the chemical reaction. • ...

photosynthesis 2021-10-28

photosynthesis crossword puzzle
Across
  1. tubes that carry sugars
  2. the organelles where photosynthesis takes place
  3. substances found in a chemical reaction
  4. a green pigment that allows the plant to absorb sunlight
Down
  1. a gas necessary for photosynthesis
  2. a type of sugar
  3. what is needed for a reaction to take place
  4. tubes for water
  5. a process used by plants to convert light energy to chemical energy
  6. energy from the sun

10 Clues: a type of sugar • tubes for water • energy from the sun • tubes that carry sugars • a gas necessary for photosynthesis • substances found in a chemical reaction • what is needed for a reaction to take place • the organelles where photosynthesis takes place • a green pigment that allows the plant to absorb sunlight • ...

Chemical Reactions 2025-05-01

Chemical Reactions crossword puzzle
Across
  1. The tiny numbers that tell how many of that element are there
  2. The math function done to elements inside parenthesis
  3. the chemicals you start with (left side of arrow)
  4. the new chemicals formed by a reaction (right side of arrow)
  5. the way to describe the behavior of matter ex: gas, liquid, solid
  6. the type of reaction where two elements for a new compound
  7. The + or - that you have to balance in a compound
  8. The big number used to balance chemical equations
Down
  1. The extra byproduct of a neutralization reaction
  2. A substance that accepts H+ ions, is pH 8-14
  3. Compound considered as One ion rather than multiple elements
  4. The positive ion, or metal in a reaction
  5. Another name for an insoluble compound
  6. Elements that come in pairs, ex: Br I N Cl H O F
  7. Name for something that DOES dissolve
  8. A substance that donates H+ ions, is pH 1-6
  9. The negative ion, or nonmetal in a reaction

17 Clues: Name for something that DOES dissolve • Another name for an insoluble compound • The positive ion, or metal in a reaction • A substance that donates H+ ions, is pH 1-6 • The negative ion, or nonmetal in a reaction • A substance that accepts H+ ions, is pH 8-14 • The extra byproduct of a neutralization reaction • Elements that come in pairs, ex: Br I N Cl H O F • ...

Compounds and Chemical Reactions Feb 15 2023-02-15

Compounds and Chemical Reactions Feb 15 crossword puzzle
Across
  1. a combination of two or more atoms
  2. a form of energy some reactions give off
  3. a substance made of two or more elements that are chemically combined
  4. a reaction where two simpler substances become one more complex substance
  5. a molecule made of two atoms
  6. a process where electrical energy breaks apart water
  7. a reaction where a complex substance breaks down into two or more simpler ones
  8. two words. The process where chemicals combine or break down to form new substances
  9. some reactions form this Think bubbles
  10. something that can change in some reactions
  11. a reaction where two compounds swap elements
Down
  1. the simplest particle that makes up an element
  2. the solid that forms from two liquids in some reactions
  3. a reaction where one element boots out an element in a compound
  4. these hold the atoms in compounds together
  5. these will change as a result of a chemical reaction
  6. some of the pennies became this

17 Clues: a molecule made of two atoms • some of the pennies became this • a combination of two or more atoms • a form of energy some reactions give off • some reactions form this Think bubbles • these hold the atoms in compounds together • something that can change in some reactions • a reaction where two compounds swap elements • the simplest particle that makes up an element • ...

Unit 4 - Reactions 2025-05-21

Unit 4 - Reactions crossword puzzle
Across
  1. A reaction where one element replaces another in a compound
  2. Oxidation number of oxygen in most compounds, add charge in front
  3. universal solvent
  4. A cube of metal is flattened into a sheet. What type of reaction is this?
  5. One of the spectator ions present in the reaction: NaCl(aq)+AgNO3(aq)->AgCl(s)+NaNO3(aq)
Down
  1. Not present in net ionic equation
  2. Color of copper(II) sulfate in solution
  3. A solid that forms in a chemical reaction
  4. Compound of known concentration in a lab involving an indicator
  5. Oxidation number of elements in monoatomic elemental form
  6. Electrons are transferred in this type of reaction
  7. Common pH indicator that turns pink in base
  8. insoluble 3

13 Clues: insoluble 3 • universal solvent • Not present in net ionic equation • Color of copper(II) sulfate in solution • A solid that forms in a chemical reaction • Common pH indicator that turns pink in base • Electrons are transferred in this type of reaction • Oxidation number of elements in monoatomic elemental form • A reaction where one element replaces another in a compound • ...

Biology crossword 2022-09-26

Biology crossword crossword puzzle
Across
  1. First step of photosynthesis
  2. Sphere of earth with all water
  3. Sphere of earth all soil and rocks
  4. substances at the beginning of reaction
  5. Process all plants use to create energy
  6. type of organism that can make its own food
  7. process of breaking down glucose
  8. Nutrient used in phosphates
  9. Anything with mass
Down
  1. Nutrient used in proteins
  2. First step of Aerobic Respiration
  3. Second step of photosynthesis
  4. Second step of Aerobic Respiration
  5. meaning oxygen is present
  6. adenosine diphosphate
  7. Organelle site of photosynthesis
  8. Substances created during chemical reaction
  9. Sphere of Earth, All gasses
  10. Adenosine Triphosphate (energy)

19 Clues: Anything with mass • adenosine diphosphate • Nutrient used in proteins • meaning oxygen is present • Sphere of Earth, All gasses • Nutrient used in phosphates • First step of photosynthesis • Second step of photosynthesis • Sphere of earth with all water • Adenosine Triphosphate (energy) • Organelle site of photosynthesis • process of breaking down glucose • ...

Chemical words 2017-11-04

Chemical words crossword puzzle
Across
  1. another word for poisonous
  2. a natural or chemical material used by farmers
  3. mixing chemicals may cause a chemical .....
  4. a nuclear accident my cause .... of the surrounding area
  5. the kind of industry that produces medicines
  6. a form of energy from nuclear power, harmful to humans
  7. a chemical found in diamonds and coal
  8. plants .... water through their roots
Down
  1. chemicals derived from petrol or natural gas
  2. the gas we breathe out is.....
  3. chemicals used to kill unwanted insects
  4. the opposite of synthetic
  5. chemicals added to food are called food ....
  6. types of synthetic material moulded to make many products
  7. the release of a gas
  8. a household chemical used to disinfect

16 Clues: the release of a gas • the opposite of synthetic • another word for poisonous • the gas we breathe out is..... • a chemical found in diamonds and coal • plants .... water through their roots • a household chemical used to disinfect • chemicals used to kill unwanted insects • mixing chemicals may cause a chemical ..... • chemicals derived from petrol or natural gas • ...

Moles and Stoichiometry 2022-02-09

Moles and Stoichiometry crossword puzzle
Across
  1. Way to represent a chemical reaction
  2. mass of the elements of a substance
  3. Study of the amount of matter in reaction
  4. The atoms are equal the same amount
Down
  1. whats made from the reaction
  2. Ratio of the coefficients
  3. two or more molecules attached
  4. Whats used during the reaction
  5. Measured amount of a substance
  6. A unit of measurement for liquids

10 Clues: Ratio of the coefficients • whats made from the reaction • two or more molecules attached • Whats used during the reaction • Measured amount of a substance • A unit of measurement for liquids • mass of the elements of a substance • The atoms are equal the same amount • Way to represent a chemical reaction • Study of the amount of matter in reaction

Nuclear Energy 2023-11-09

Nuclear Energy crossword puzzle
Across
  1. the total number of protons and neutrons in a nucleus.
  2. the time taken for the radioactivity of a specified isotope to fall to half its original value
  3. a fast-moving electron emitted by radioactive decay of substances.
  4. same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
  5. a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.
  6. emitting or relating to the emission of ionizing radiation or particles
  7. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  8. a nuclear reaction where a heavy nucleus splits on impact with another particle
Down
  1. a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
  2. gamma rays
  3. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  4. a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
  5. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
  6. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.

14 Clues: gamma rays • the total number of protons and neutrons in a nucleus. • a fast-moving electron emitted by radioactive decay of substances. • emitting or relating to the emission of ionizing radiation or particles • a nuclear reaction where a heavy nucleus splits on impact with another particle • ...

Nuclear Energy 2023-11-09

Nuclear Energy crossword puzzle
Across
  1. the total number of protons and neutrons in a nucleus.
  2. the time taken for the radioactivity of a specified isotope to fall to half its original value
  3. a fast-moving electron emitted by radioactive decay of substances.
  4. same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
  5. a chemical reaction or other process in which the products themselves promote or spread the reaction, which under certain conditions may accelerate dramatically.
  6. emitting or relating to the emission of ionizing radiation or particles
  7. a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
  8. a nuclear reaction where a heavy nucleus splits on impact with another particle
Down
  1. a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
  2. gamma rays
  3. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
  4. a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
  5. the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass
  6. a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.

14 Clues: gamma rays • the total number of protons and neutrons in a nucleus. • a fast-moving electron emitted by radioactive decay of substances. • emitting or relating to the emission of ionizing radiation or particles • a nuclear reaction where a heavy nucleus splits on impact with another particle • ...

Photosynthesis and Cellular Respiration 2022-05-06

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. openings or pores in the epidermis of leaves
  2. substances that are produced in the reaction
  3. substances that start a chemical reaction
  4. must be balanced
  5. requires light, water, carbon dioxide, and light absorbing
Down
  1. process that occurs in the mitochondria of all organisms
  2. an organelle within the cells of plants
  3. take in carbon dioxide through tiny openings and pores in leaves
  4. used for all processes that is within a cell that needs energy
  5. powerhouse of the cell
  6. used as food by the plant
  7. gas essential to living organisms

12 Clues: must be balanced • powerhouse of the cell • used as food by the plant • gas essential to living organisms • an organelle within the cells of plants • substances that start a chemical reaction • openings or pores in the epidermis of leaves • substances that are produced in the reaction • process that occurs in the mitochondria of all organisms • ...

Crack the Code 2022-07-06

Crack the Code crossword puzzle
Across
  1. A reactant of an enzyme-catalyzed reaction.
  2. A protein that acts as a biological catalyst
  3. Energy needed to get a reaction started.
Down
  1. A chemical substance formed as a result of a chemical reaction
  2. The part of an enzyme or antibody where the chemical reaction occurs
  3. A substance that speeds up the rate of a chemical reaction

6 Clues: Energy needed to get a reaction started. • A reactant of an enzyme-catalyzed reaction. • A protein that acts as a biological catalyst • A substance that speeds up the rate of a chemical reaction • A chemical substance formed as a result of a chemical reaction • The part of an enzyme or antibody where the chemical reaction occurs

SCI Crossword 2016-01-10

SCI Crossword crossword puzzle
Across
  1. a machine used for the purpose of separating mixtures that are usually liquids.
  2. when matter is changed from one form into another the total amount of mass stays the same.
  3. a substance that takes part in a chemical reaction
Down
  1. a system that does allow transfers of mass inreactant a substance that takes part in a chemical reaction (the input)/out of the system
  2. a system that does not allow transfers of mass in/out of the system
  3. the speed at which a substance undergoes a chemical reaction
  4. An element that is generally a gas, have a low density, is usually dull or gaseous, is a poor conductor of heat and electricity, and most are not ductile or malleable.
  5. An element that is solid at room temperature, has a high density, is shiny, is a good conductor of heat and electricity, and most are ductile and malleable.
  6. a substance formed during a chemical reaction

9 Clues: a substance formed during a chemical reaction • a substance that takes part in a chemical reaction • the speed at which a substance undergoes a chemical reaction • a system that does not allow transfers of mass in/out of the system • a machine used for the purpose of separating mixtures that are usually liquids. • ...

Week 3 - Thao Le 2015-07-06

Week 3 - Thao Le crossword puzzle
Across
  1. combination : 2 seperate atoms come together to form 1 compound
  2. :something that is produced by the reaction
  3. : something that eneter the reaction
  4. replacement : one element in a pair is replace by another
  5. : the man who calculated a number of moles
  6. : a number word
Down
  1. : balance hydrogen
  2. dozen : 13
  3. : balance everything that not hydrogen or oxygen
  4. replacement : two element pair " switch partner "
  5. : balance oxygen
  6. reaction : a process in which one or more substance converted into new substance
  7. : dissovled in water

13 Clues: dozen : 13 • : a number word • : balance oxygen • : balance hydrogen • : dissovled in water • : something that eneter the reaction • : the man who calculated a number of moles • :something that is produced by the reaction • : balance everything that not hydrogen or oxygen • replacement : two element pair " switch partner " • ...

Week 3 - Thao Le 2015-07-06

Week 3 - Thao Le crossword puzzle
Across
  1. dozen : 13
  2. : something that eneter the reaction
  3. : balance everything that not hydrogen or oxygen
  4. : the man who calculated a number of moles
  5. combination : 2 seperate atoms come together to form 1 compound
  6. : a number word
  7. : balance hydrogen
Down
  1. replacement : one element in a pair is replace by another
  2. replacement : two element pair " switch partner "
  3. : balance oxygen
  4. reaction : a process in which one or more substance converted into new substance
  5. :something that is produced by the reaction
  6. : dissovled in water

13 Clues: dozen : 13 • : a number word • : balance oxygen • : balance hydrogen • : dissovled in water • : something that eneter the reaction • : the man who calculated a number of moles • :something that is produced by the reaction • : balance everything that not hydrogen or oxygen • replacement : two element pair " switch partner " • ...

Week 3 - Thao Le 2015-07-06

Week 3 - Thao Le crossword puzzle
Across
  1. replacement : two element pair " switch partner "
  2. :something that is produced by the reaction
  3. : balance everything that not hydrogen or oxygen
  4. : something that eneter the reaction
  5. replacement : one element in a pair is replace by another
  6. : the man who calculated a number of moles
Down
  1. : balance hydrogen
  2. combination : 2 seperate atoms come together to form 1 compound
  3. dozen : 13
  4. : balance oxygen
  5. reaction : a process in which one or more substance converted into new substance
  6. : a number word
  7. : dissovled in water

13 Clues: dozen : 13 • : a number word • : balance oxygen • : balance hydrogen • : dissovled in water • : something that eneter the reaction • : the man who calculated a number of moles • :something that is produced by the reaction • : balance everything that not hydrogen or oxygen • replacement : two element pair " switch partner " • ...

Chapter 5 Vocab Crossword 2023-10-31

Chapter 5 Vocab Crossword crossword puzzle
Across
  1. respiration that uses something other than oxygen
  2. breaking down complex macromolecules into simple ones
  3. something that speeds up chemical reactions
  4. adding phosphate to a molecule
  5. building complex macromolecules from simple ones
  6. sequence of chemical reactions
  7. protein that serves as biological catalysts
  8. non-protein component of an enzyme
  9. process by which molecules are broken down to produce ATP
  10. removal of electrons from a molecule
  11. cofactor that is an organic molecule
  12. process that produces organic molecules from light and carbon dioxide
  13. process breaking down glucose into pyruvate
Down
  1. addition of electrons to a molecule
  2. all chemical reactions that occur in a cell
  3. energy needed for a chemical reaction to occur
  4. process that breaks down pyruvate without using oxygen or the Krebs Cycle
  5. respiration that uses oxygen

18 Clues: respiration that uses oxygen • adding phosphate to a molecule • sequence of chemical reactions • non-protein component of an enzyme • addition of electrons to a molecule • removal of electrons from a molecule • cofactor that is an organic molecule • all chemical reactions that occur in a cell • something that speeds up chemical reactions • ...

Enzymes - by Sean, Dj, Eddie and Sabine 2021-04-09

Enzymes - by Sean, Dj, Eddie and Sabine crossword puzzle
Across
  1. factor that effects enzyme function that will change the optimum shape of the enzymes
  2. type of cell division that uses enzymes during DNA replication
  3. enzyme that unzips the double helix during DNA replication
  4. factor that increase kinetic energy of substrates, increasing collision theory and rate of reaction
  5. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
  6. a region on an enzyme that binds to a protein or other substance during a reaction
  7. factor that allows more substrate particles to collide with active site, increasing the rate of reaction to a certain point
Down
  1. the biological process of producing two identical replicas of DNA from one original DNA molecule
  2. coiled up DNA which are duplicated during mitosis
  3. enzyme that attaches itself to each strand of DNA to prepare it for replication
  4. the enzyme that joins the Okazaki fragments (lagging polynucleotide strands) together
  5. enzyme that adds the complimentary base to the polynucleotide strand during DNA replication
  6. reactants that attach to active site of enzymes

13 Clues: reactants that attach to active site of enzymes • coiled up DNA which are duplicated during mitosis • enzyme that unzips the double helix during DNA replication • type of cell division that uses enzymes during DNA replication • enzyme that attaches itself to each strand of DNA to prepare it for replication • ...

Periodic Table 2025-12-18

Periodic Table crossword puzzle
Across
  1. The type of bond created by electrostatic forces of attraction
  2. A noble gas that is lighter than air
  3. The gas released by adding water to sodium
  4. The number of electrons in the outer shell of halogens
  5. A type of bond created by sharing pairs of electrons between two non metals
  6. Chemical symbol for silver
  7. The number of electrons in the outer shell of alkali metals
  8. A group of very reactive non metals
  9. An alkali metal
  10. Chemical symbol for copper
Down
  1. A green gas at room temperature
  2. A type of reaction that releases energy
  3. The structure of an ionic compouns
  4. A liquid halogen at room temperature
  5. Chemical symbol for iron
  6. A noble gas used in light bulbs
  7. Chemical symbol K

17 Clues: An alkali metal • Chemical symbol K • Chemical symbol for iron • Chemical symbol for silver • Chemical symbol for copper • A green gas at room temperature • A noble gas used in light bulbs • The structure of an ionic compouns • A group of very reactive non metals • A noble gas that is lighter than air • A liquid halogen at room temperature • A type of reaction that releases energy • ...

Week 3 - Thao Le 2015-07-06

Week 3 - Thao Le crossword puzzle
Across
  1. replacement : one element in a pair is replace by another
  2. : dissovled in water
  3. dozen : 13
  4. replacement : two element pair " switch partner "
  5. reaction : a process in which one or more substance converted into new substance
  6. :something that is produced by the reaction
  7. : balance everything that not hydrogen or oxygen
Down
  1. : a number word
  2. : something that eneter the reaction
  3. : the man who calculated a number of moles
  4. : balance hydrogen
  5. combination : 2 seperate atoms come together to form 1 compound
  6. : balance oxygen

13 Clues: dozen : 13 • : a number word • : balance oxygen • : balance hydrogen • : dissovled in water • : something that eneter the reaction • : the man who calculated a number of moles • :something that is produced by the reaction • : balance everything that not hydrogen or oxygen • replacement : two element pair " switch partner " • ...

Science Vocabulary (March 10) 2022-03-10

Science Vocabulary (March 10) crossword puzzle
Across
  1. how many things you test in a science experiment
  2. testing something out scientifically
  3. we produce more of this when we are exercising than resting
  4. process used by plants and other organisms to convert light energy into chemical energy
  5. let go
  6. what changes in a science experiment
  7. a group of atoms connected by chemical bonds
  8. move around
Down
  1. how organisms combine oxygen with energy from food
  2. we use more of this when exercising than resting
  3. the group that is used to compare results of an experiment to
  4. result of a chemical interaction
  5. how many breaths per minute you take
  6. how warm or hot your skin is
  7. where chemical reactions happen
  8. energy
  9. information from an experiment
  10. we use more of this when we are exercising than resting
  11. how fast your heart beats

19 Clues: energy • let go • move around • how fast your heart beats • how warm or hot your skin is • information from an experiment • where chemical reactions happen • result of a chemical interaction • testing something out scientifically • how many breaths per minute you take • what changes in a science experiment • a group of atoms connected by chemical bonds • ...

Enzymes 2025-04-10

Enzymes crossword puzzle
Across
  1. a stringy slimy substance consisting of yeast cells and bacteria.
  2. help enzymes function.
  3. Large biomolecules.
  4. any substance that has a defined composition
  5. measured in units of catalytic activity
  6. 37°C
  7. a pure form of matter
  8. involves both mechanical and chemical processes that break down food into smaller components.
  9. Break down larger molecules into smaller ones.
  10. a substance that speeds up a chemical reaction, or lowers the temperature or pressure needed to start one.
Down
  1. decrease or stop enzyme activity.
  2. a metabolic process where organisms break down sugars or other organic molecules anaerobically.
  3. Ale yeast.
  4. Potential of hydrogen
  5. Biological catalyst
  6. small single-celled organisms
  7. the sum of all chemical reactions in the body that convert food and drink into energy.
  8. single-celled, eukaryotic microorganisms classified as fungi.
  9. Build larger molecules from smaller ones.

19 Clues: 37°C • Ale yeast. • Large biomolecules. • Biological catalyst • Potential of hydrogen • a pure form of matter • help enzymes function. • small single-celled organisms • decrease or stop enzyme activity. • measured in units of catalytic activity • Build larger molecules from smaller ones. • any substance that has a defined composition • Break down larger molecules into smaller ones. • ...

chemistry 2022-04-13

chemistry crossword puzzle
Across
  1. contains two or more substances that are not chemically combined
  2. outer layers of an atom made up of energy levels
  3. what has a positive charge
  4. what is two or more atoms bonded together
  5. substances you end with after the chemical reaction
  6. the smallest unit of matter
  7. protons plus neutrons equal
Down
  1. what has negative charge
  2. a substance composed of two or more elements
  3. what has a neutral charge (no charge )
  4. substance that consist of atoms that have same number of protons
  5. substances you start with before the chemical reaction

12 Clues: what has negative charge • what has a positive charge • the smallest unit of matter • protons plus neutrons equal • what has a neutral charge (no charge ) • what is two or more atoms bonded together • a substance composed of two or more elements • outer layers of an atom made up of energy levels • substances you end with after the chemical reaction • ...

Photosynthesis and Cellular Respiration 2022-05-05

Photosynthesis and Cellular Respiration crossword puzzle
Across
  1. powerhouse of the cell
  2. respiration process that occurs in the mitochondria of all organisms
  3. used as food by the plant
  4. gas essential to living organisms
  5. substances that start a chemical reaction
  6. used for all processes that is within a cell that needs energy
  7. take in carbon dioxide through tiny openings and pores in leaves
Down
  1. requires light, water, carbon dioxide, and light absorbing
  2. openings or pores in the epidermis of leaves
  3. equations must be balanced
  4. substances that are produced in the reaction
  5. an organelle within the cells of plants

12 Clues: powerhouse of the cell • used as food by the plant • equations must be balanced • gas essential to living organisms • an organelle within the cells of plants • substances that start a chemical reaction • openings or pores in the epidermis of leaves • substances that are produced in the reaction • requires light, water, carbon dioxide, and light absorbing • ...

Heat Transfer Puzzle 2024-02-06

Heat Transfer Puzzle crossword puzzle
Across
  1. Materials that don't allow heat energy to pass through them well
  2. When atoms share electrons
  3. Transfer of heat through direct contact
  4. Lowest limit of the temperature scale
  5. Materials that transfer heat well
Down
  1. When electrons are transferred between atoms of opposite charge
  2. Result of a chemical reaction
  3. Flow of energy from warmer places to cooler places
  4. Transfer of heat in a liquid or gas
  5. Measurement of the average kinetic energy of the particles of an object
  6. The substances that have caused a chemical reaction
  7. Transfer of heat through electromagnetics waves

12 Clues: When atoms share electrons • Result of a chemical reaction • Materials that transfer heat well • Transfer of heat in a liquid or gas • Lowest limit of the temperature scale • Transfer of heat through direct contact • Transfer of heat through electromagnetics waves • Flow of energy from warmer places to cooler places • The substances that have caused a chemical reaction • ...

Heat Transfer Puzzle 2024-02-06

Heat Transfer Puzzle crossword puzzle
Across
  1. Materials that don't allow heat energy to pass through them well
  2. When atoms share electrons
  3. Transfer of heat through direct contact
  4. Lowest limit of the temperature scale
  5. Materials that transfer heat well
Down
  1. When electrons are transferred between atoms of opposite charge
  2. Result of a chemical reaction
  3. Flow of energy from warmer places to cooler places
  4. Transfer of heat in a liquid or gas
  5. Measurement of the average kinetic energy of the particles of an object
  6. The substances that have caused a chemical reaction
  7. Transfer of heat through electromagnetics waves

12 Clues: When atoms share electrons • Result of a chemical reaction • Materials that transfer heat well • Transfer of heat in a liquid or gas • Lowest limit of the temperature scale • Transfer of heat through direct contact • Transfer of heat through electromagnetics waves • Flow of energy from warmer places to cooler places • The substances that have caused a chemical reaction • ...

Electrochemistry Crossword Puzzle 2014-03-16

Electrochemistry Crossword Puzzle crossword puzzle
Across
  1. EQUATION E=Eo-(RT/nF)lnQ
  2. CELL A device in which a non-spontaneous redox reaction occurs
  3. The process by which a metal is unwontedly oxidized by substances in its environment
  4. The branch of chemistry that deals with the relationships between electricity and chemical reactions
  5. A unit of charge that equals the total charge of one mole of electrons
  6. CELL A voltaic cell that uses the same electrolytic species as a cathode and anode
  7. An electrode at which oxidation occurs
  8. AGENT The substance that is oxidized and thereby causes the reduction of some other substance in a redox reaction.
Down
  1. CELL A device in which a spontaneous redox reaction occurs with the passage of electrons through an external circuit
  2. FORCE A measure of the driving force, or electrical pressure, for the completion of an electrochemical reaction
  3. CELL A type of voltaic cell that uses conventional fuels, such as H2 or CH4
  4. HYDROGEN ELECTRODE An electrode based on the following half-reaction: 2H+2e --> H2
  5. PROTECTION A means of protecting a metal agent against corrosion
  6. An equation for either an oxidation or a reduction that explicitly shows the electrons involved
  7. REACTION A reaction in which a non-spontaneous redox reaction occurs with the help of an external electrical potential
  8. REACTION The substance that is reduced and thereby causes the oxidation of some other substance in an oxidation-reduction reaction.
  9. An electrode at which reduction occurs

17 Clues: EQUATION E=Eo-(RT/nF)lnQ • An electrode at which reduction occurs • An electrode at which oxidation occurs • CELL A device in which a non-spontaneous redox reaction occurs • PROTECTION A means of protecting a metal agent against corrosion • A unit of charge that equals the total charge of one mole of electrons • ...

Quantitative Chemistry Crossword 2024-09-04

Quantitative Chemistry Crossword crossword puzzle
Across
  1. The weighted average mass of an atom of an element compared with one-twelfth of the mass of an atom of carbon-12.
  2. A measure of the amount of solute dissolved in a given volume of solution. It is typically expressed in moles per cubic decimetre (mol/dm³).
  3. he sum of the relative atomic masses of all the atoms in a chemical formula. It applies to compounds and is used in calculations involving moles and mass.
  4. The mass of one mole of a substance, typically expressed in grams per mole (g/mol). For example, the molar mass of carbon dioxide (CO₂) is 44 g/mol.
  5. The percentage by mass of each element in a compound, calculated by dividing the total mass of each element by the relative formula mass of the compound and multiplying by 100.
Down
  1. The number of atoms, molecules, or ions in one mole of a substance, which is 6.02×10236.02 \times 10^{23}6.02×1023.
  2. The reactant in a chemical reaction that is completely consumed first, limiting the amount of products formed.
  3. The principle stating that mass is neither created nor destroyed in a chemical reaction. The mass of the products is always equal to the mass of the reactants.
  4. The volume occupied by one mole of gas at room temperature (20°C) and pressure (1 atm), typically 24 dm³.
  5. The maximum amount of product that can be formed in a reaction, based on the amount of limiting reactant.
  6. The actual number of atoms of each element in a molecule of a compound.
  7. The amount of product actually obtained from a reaction, which is usually less than the theoretical yield due to various factors like incomplete reactions or side reactions.
  8. The reactant in a chemical reaction that remains when the reaction is complete. It is present in a greater amount than necessary to react with the limiting reactant.
  9. A unit for measuring the amount of substance. One mole of any substance contains the same number of particles (atoms, molecules, ions, or electrons) as there are atoms in 12 grams of carbon-12. This number is Avogadro's constant, 6.02×10236.02 \times 10^{23}6.02×1023.
  10. The volume occupied by one mole of a gas at a specified temperature and pressure. At RTP, the molar volume is 24 dm³/mol.
  11. The ratio of the actual yield of a product to the theoretical yield, expressed as a percentage. It is calculated using the formula:
  12. The simplest whole number ratio of atoms of each element in a compound.

17 Clues: The actual number of atoms of each element in a molecule of a compound. • The simplest whole number ratio of atoms of each element in a compound. • The volume occupied by one mole of gas at room temperature (20°C) and pressure (1 atm), typically 24 dm³. • ...

Crossword Vocab 3C Unit 3 words. 2023-11-10

Crossword Vocab 3C Unit 3 words. crossword puzzle
Across
  1. The subunit of proteins
  2. The macromolecule group made up of amino acid monomers and are responsible for most of the work done in the cell
  3. The subunit of nucleic acids
  4. The nucleic acid that contains genetic information and is usually found in the shape of a double helix
  5. The part of an enzyme where molecules will attach and undergo chemical reactions
Down
  1. The substance added to a chemical reaction to increase the speed at which the reaction occurs, it reduces the amount of activation energy to start the reaction.
  2. A molecule or groups of molecules that the enzyme acts upon to speed up a chemical reaction.
  3. The type of bond that is used to hold amino acids to amino acids
  4. The nucleic acid that contains genetic information and is usually found as a single strand of nucleotides
  5. The protein substances that acts as a catalyst in living organisms

10 Clues: The subunit of proteins • The subunit of nucleic acids • The type of bond that is used to hold amino acids to amino acids • The protein substances that acts as a catalyst in living organisms • The part of an enzyme where molecules will attach and undergo chemical reactions • ...

Chemistry vocab 2024-10-25

Chemistry vocab crossword puzzle
Across
  1. What scientific word describes how much space an object takes up
  2. _____ is when the movement of particles from where there are more to where there are less
  3. The ____ rate is the rate of a reaction is the speed at which a chemical reaction happens.
  4. What is the scientific name for any basic unit of matter and energy?
  5. _____ change is any change that causes a new substance to be formed
  6. Energy What’s the scientific name for the energy an object has because of its motion
Down
  1. Which theory states that for a chemical reaction to occur, the reacting particles must collide with one another?
  2. changes _______ are the changes in matter that do not change what the matter is
  3. _______ is the measurement of the number of particles present in a given volume, often in a mixture or solution
  4. Laws Which scientific law(s) relate the pressure, volume, and temperature of a gas

10 Clues: What scientific word describes how much space an object takes up • _____ change is any change that causes a new substance to be formed • What is the scientific name for any basic unit of matter and energy? • changes _______ are the changes in matter that do not change what the matter is • ...

Chapter 2 2025-09-28

Chapter 2 crossword puzzle
Across
  1. Anything with mass or volume
  2. Has the chemical symbol Fe
  3. Has the chemical symbol Au
  4. The atomic number for Hydrogen is
  5. Chemical formula for table salt (Sodium Chloride)
  6. Type of chemical reaction when a compound breaks down into elements
  7. Has the chemical symbol Pb
  8. Substance made of one type of molecule
Down
  1. Is made of two hydrogen atoms bonded to one oxygen atom
  2. Elements to the left side of the staircase on the periodic table
  3. Horizontal Rows of the Periodic Table
  4. Scientist known as the father of the periodic table
  5. Elements touching the staircase of the periodic table - they have properties of both metals and non-metals
  6. Substance made of one type of atom
  7. Property of non-metals -Can break or shatter if bent
  8. Name of apparatus used to decompose water
  9. Vertical columns of the periodic table
  10. All metals are this state at room temperature except for mercury

18 Clues: Has the chemical symbol Fe • Has the chemical symbol Au • Has the chemical symbol Pb • Anything with mass or volume • The atomic number for Hydrogen is • Substance made of one type of atom • Horizontal Rows of the Periodic Table • Vertical columns of the periodic table • Substance made of one type of molecule • Name of apparatus used to decompose water • ...

Chemistry crossword 2023-01-13

Chemistry crossword crossword puzzle
Across
  1. non metals only
  2. new substances produces in a chemical reaction
  3. has the symbol K
  4. ions that are negatively charged
  5. metal+non metal
  6. substances that react together in a chemical reaction
Down
  1. small numbers at the base of larger letters that tell you how many atoms of these elements are in a compound
  2. ions that are positively charged
  3. has atomic mass of 27.0
  4. a charged ion

10 Clues: a charged ion • non metals only • metal+non metal • has the symbol K • has atomic mass of 27.0 • ions that are positively charged • ions that are negatively charged • new substances produces in a chemical reaction • substances that react together in a chemical reaction • ...

Science Crossword Puzzle 2025-06-15

Science Crossword Puzzle crossword puzzle
Across
  1. A reaction that releases heat
  2. An image formed where light does not actually reach
  3. Plant tissue that transports food
  4. A substance formed as a result of a chemical reaction
  5. Bending of light as it passes through different mediums
  6. Gradual destruction of materials (usually metals)
  7. A point where light rays meet after reflection or refraction
  8. A slow oxidation reaction of iron with water and oxygen
Down
  1. The breakdown of food into smaller components
  2. The process of releasing energy from food
  3. The functional unit of the kidney
  4. A lens that converges light rays
  5. A substance that takes part in and undergoes change during a reaction
  6. Tiny openings in leaves for gas exchange
  7. A surface that reflects light

15 Clues: A reaction that releases heat • A surface that reflects light • A lens that converges light rays • The functional unit of the kidney • Plant tissue that transports food • Tiny openings in leaves for gas exchange • The process of releasing energy from food • The breakdown of food into smaller components • Gradual destruction of materials (usually metals) • ...

Vocabulary MP1 2024-10-14

Vocabulary MP1 crossword puzzle
Across
  1. A process that involves the transformation of one or more substances into different substances with new chemical and physical properties. This often involves the formation of gas, precipitate, or color change.
  2. The transfer of energy through electromagnetic waves, which can occur in a vacuum (like space) and does not require a medium.
  3. Energy: The energy an object possesses due to its motion, which increases as the speed of the object increases.
  4. A combination of two or more substances where each retains its own properties. Mixtures can be homogeneous or heterogeneous.
  5. A solid that forms and settles out of a liquid mixture during a chemical reaction.
  6. Substances that undergo a chemical change in a reaction. They are found on the left side of a chemical equation.
  7. Substances formed when two or more elements chemically combine in fixed ratios. Compounds have different properties than the elements that compose them.
  8. A form of energy that is transferred between systems or objects with different temperatures, moving from the hotter to the cooler object.
  9. Change: A transition between solid, liquid, and gas states of matter. Phase changes include melting, freezing, boiling, and condensation.
  10. A measure of the average kinetic energy of the particles in a substance, which determines how hot or cold that substance is.
  11. Homogeneous mixtures where one substance (the solute) is dissolved in another (the solvent). Solutions can be solid, liquid, or gas.
Down
  1. Formula: A way of representing the composition of a compound using symbols for the elements and numbers to indicate the ratio of atoms. For example, H2O Two Hydrogen atoms to One Oxygen atom
  2. Substances that are formed as a result of a chemical reaction. They are found on the right side of a chemical equation.
  3. Symbol: A one or two-letter notation used to represent an element. For example,O stands for oxygen and Na stands for sodium.
  4. The amount of solute present in a given volume of solvent or solution. It indicates how strong or weak a solution is.
  5. Pure substances that cannot be broken down into simpler substances. They are the building blocks of matter and are made up of atoms.
  6. The substance that is dissolved in a solution. It is usually present in a smaller amount compared to the solvent.
  7. The substance in a solution that dissolves the solute. It is usually present in the largest amount.
  8. The process by which heat energy is transferred through direct contact between materials, often occurring in solids.
  9. Energy: The total energy of all the particles in a substance, which is related to the temperature and can be transferred as heat.
  10. A change in which the form or appearance of a substance changes, but its chemical composition remains the same. Examples include melting and freezing.
  11. The transfer of heat through the movement of fluids (liquids or gasses) caused by differences in temperature and density.

22 Clues: A solid that forms and settles out of a liquid mixture during a chemical reaction. • The substance in a solution that dissolves the solute. It is usually present in the largest amount. • Energy: The energy an object possesses due to its motion, which increases as the speed of the object increases. • ...

Organic Chemistry 2020-03-28

Organic Chemistry crossword puzzle
Across
  1. very large molecules made up of repeating units
  2. a reaction in which one molecule combines with another to form a larger molecule with no other products
  3. how is petrol and other fuels extracted from crude oil?
  4. the chemical breakdown of a substance by bacteria
  5. butanol is an
  6. decompose (hydrocarbons) by heat and pressure (a process)
  7. two molecules join together and a small molecule is eliminated (this process is called...)
  8. similar chemical properties and 2 others make up
  9. ethane is an
  10. a long chain molecule formed by the joining of monomers
Down
  1. group of atoms responsible for the characteristic reactions of a compound
  2. polymers formed by addition reactions
  3. hydrocarbons that have a C=C double bond are
  4. a substance that speeds up a reaction without using itself up
  5. ethanoic acid is a
  6. hydrogen and carbon equal a
  7. same molecular formula but different structural formulae
  8. propene is an

18 Clues: ethane is an • butanol is an • propene is an • ethanoic acid is a • hydrogen and carbon equal a • polymers formed by addition reactions • hydrocarbons that have a C=C double bond are • very large molecules made up of repeating units • similar chemical properties and 2 others make up • the chemical breakdown of a substance by bacteria • ...

6b vocab 2017-04-10

6b vocab crossword puzzle
Across
  1. nother to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
  2. odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
  3. s are a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.
  4. chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, commas and plus (+) and minus (−) signs.
  5. n electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
  6. is the symbolic representation of a chemical reaction in the form of symbols and formulas.
  7. the results of a chemical reaction
Down
  1. ysical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition
  2. conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
  3. substance that takes part in and undergoes change during a reaction.
  4. - A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.

11 Clues: the results of a chemical reaction • substance that takes part in and undergoes change during a reaction. • is the symbolic representation of a chemical reaction in the form of symbols and formulas. • n electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms. • ...

BT-Crossword Puzzle (4/19/2021) 2021-05-26

BT-Crossword Puzzle (4/19/2021) crossword puzzle
Across
  1. describes an element that has lost electrons and that has increased in oxidation number
  2. the amount of energy as heat resulting from the formation of 1 mol of a substance at constant pressure
  3. a substance that has the potential to reduce another substance
  4. the that gains electrons in an oxidation-reduction reaction and that is reduced
  5. a chemical change in which electrons are gained, either by the removal of oxygen, the addition of hydrogen, or the addition of electrons
  6. the part of a reaction that involves only oxidation or reduction
Down
  1. a substance that accept a proton
  2. describes a substance that has gained electrons, lost an oxygen atom, or gained a hydrogen atom
  3. a device used to measure the heat absorbed or released in a chemical or physical change
  4. any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains electrons); also called redox reaction
  5. the energy transferred between objects that are at different temperatures
  6. a reaction that removes one or more electrons from a substance such that the substance's valence or oxidation state increases
  7. the energy in a system that is available for work; a system's capacity to do useful work
  8. the unit used to express energy, equivalent to the amount of work done by a force of 1 N acting through a distance of 1 m in tie direction of the force (abbreviation, J)

14 Clues: a substance that accept a proton • a substance that has the potential to reduce another substance • the part of a reaction that involves only oxidation or reduction • the energy transferred between objects that are at different temperatures • the that gains electrons in an oxidation-reduction reaction and that is reduced • ...

Chemical Handling 2012-05-25

Chemical Handling crossword puzzle
Across
  1. the number of routes of entry chemicals can enter your body
  2. a health effect after chronic exposure to silica dust
  3. test a test to be conducted prior to wearing a respirator
  4. A reaction to exposure that happens over years is called ________
  5. how long you need to rinse your eyes in eye wash station
Down
  1. a form of PPE that can protect your hands
  2. a reaction to chemical exposure
  3. a form of PPE that can protect you from breathing exposures
  4. glasses a form of PPE that can protect your eyes
  5. A reaction to exposure that occurs immediately is called ______
  6. gloves made from this material do not protect against chemicals
  7. A required information sheet on where to find chemical information

12 Clues: a reaction to chemical exposure • a form of PPE that can protect your hands • glasses a form of PPE that can protect your eyes • a health effect after chronic exposure to silica dust • how long you need to rinse your eyes in eye wash station • test a test to be conducted prior to wearing a respirator • the number of routes of entry chemicals can enter your body • ...

kadince smith chapter 13 mr.burkholder physical science 2019-03-07

kadince smith chapter 13 mr.burkholder physical science crossword puzzle
Across
  1. is a chemical that accepts a hydrogen
  2. a substance that lowers the activation energy
  3. no atoms are gained or lost during any reaction
  4. when reaction and its reverse act the same rate
  5. single displacement
Down
  1. there is a net release of energy
  2. there is a net absorption of energy
  3. a chemical that donates a hydrogen ion
  4. synthesis
  5. decomposition

10 Clues: synthesis • decomposition • single displacement • there is a net release of energy • there is a net absorption of energy • is a chemical that accepts a hydrogen • a chemical that donates a hydrogen ion • a substance that lowers the activation energy • no atoms are gained or lost during any reaction • when reaction and its reverse act the same rate

Chemical Equations 2021-12-03

Chemical Equations crossword puzzle
Across
  1. Substances after a chemical reaction
  2. When the identity changes
  3. Equation where no matter has been created
  4. Substance made up of only one type of atom
  5. The symbol for this element is Fe
  6. The symbol for this element is Au
Down
  1. Only the shape, size or form changes
  2. of mass Says that matter can't be made
  3. Substances before a chemical reaction
  4. Everything is made of this

10 Clues: When the identity changes • Everything is made of this • The symbol for this element is Fe • The symbol for this element is Au • Only the shape, size or form changes • Substances after a chemical reaction • Substances before a chemical reaction • of mass Says that matter can't be made • Equation where no matter has been created • Substance made up of only one type of atom

Science Chemical reactions 2021-04-19

Science Chemical reactions crossword puzzle
Across
  1. smallest unit of matter
  2. positive charge; located in the nucleus
  3. after a chemical reaction(on the left side)
  4. different on each side
  5. located in the middle of a atom
Down
  1. same on each side
  2. anything that takes up space with weight
  3. before a chemical reaction(on the right side)
  4. neutral charge; located in the nucleus
  5. negative charge; located in the "rings" outside of the nucleus

10 Clues: same on each side • different on each side • smallest unit of matter • located in the middle of a atom • neutral charge; located in the nucleus • positive charge; located in the nucleus • anything that takes up space with weight • after a chemical reaction(on the left side) • before a chemical reaction(on the right side) • ...

Reactions and Energy 2021-02-22

Reactions and Energy crossword puzzle
Across
  1. the gate that lets substances in and out of a cell
  2. A slow chemical reaction where oxygen reacts with metal
  3. the protective outside layer of a cell
  4. A substance that can burn to release energy
  5. A reaction between fuel and oxygen that creates energy
Down
  1. an attractive force that holds two atoms together
  2. a simple sugar made of carbon, hydrogen and oxygen
  3. groups of atoms bonded together
  4. the result of a chemical reaction

9 Clues: groups of atoms bonded together • the result of a chemical reaction • the protective outside layer of a cell • A substance that can burn to release energy • an attractive force that holds two atoms together • a simple sugar made of carbon, hydrogen and oxygen • the gate that lets substances in and out of a cell • A reaction between fuel and oxygen that creates energy • ...

vocab set 3 2021-03-16

vocab set 3 crossword puzzle
Across
  1. or chemical compounds
  2. to produce one or more different
  3. An insoluble solid formed from a chemical
  4. Process, Method or means of changing one or more
Down
  1. A substance that takes part in and undergoes
  2. during a chemical reaction
  3. Reaction, The process by which one or more substances
  4. A substance produced during a chemical reaction

8 Clues: or chemical compounds • during a chemical reaction • to produce one or more different • An insoluble solid formed from a chemical • A substance that takes part in and undergoes • A substance produced during a chemical reaction • Process, Method or means of changing one or more • Reaction, The process by which one or more substances

Chemical Reactions and Equations 2024-05-14

Chemical Reactions and Equations crossword puzzle
Across
  1. during a double displacement reaction, _____ are exchanged
  2. brown gas produced during the decomposition of lead nitrate
  3. CaO + H20 is a ______ reaction (exothermic/endothermic)
  4. substance that speeds up a chemical reaction
Down
  1. common name of calcium hydroxide
  2. an insoluble solid formed during a double displacement reaction
  3. a substance that undergoes a chemical change in a reaction

7 Clues: common name of calcium hydroxide • substance that speeds up a chemical reaction • CaO + H20 is a ______ reaction (exothermic/endothermic) • during a double displacement reaction, _____ are exchanged • a substance that undergoes a chemical change in a reaction • brown gas produced during the decomposition of lead nitrate • ...

Blade Walker Chapter 13 2021-02-25

Blade Walker Chapter 13 crossword puzzle
Across
  1. generated by oxidation reduction
  2. there is a net release
  3. a chemical that accepts a hydrogen
  4. there is a net absorption of energy
Down
  1. no atoms are gained or lost during any reaction
  2. the anode where oxidation occurs.
  3. the cathcode where reduction occurs
  4. used in batteries and fuel cells
  5. lowers the activation which makes the reaction happen faster
  6. a chemical that donates a hydrogen atom

10 Clues: there is a net release • used in batteries and fuel cells • generated by oxidation reduction • the anode where oxidation occurs. • a chemical that accepts a hydrogen • the cathcode where reduction occurs • there is a net absorption of energy • a chemical that donates a hydrogen atom • no atoms are gained or lost during any reaction • ...

Chemical and Physical Changes 2025-11-17

Chemical and Physical Changes crossword puzzle
Across
  1. a sign of chemical change
  2. Cutting Paper is a_____________________________
  3. the smallest particle of an element is a _______________
  4. something that is formed after a change is a ___________________________________
Down
  1. a process that
  2. a sign of a physical change is___________________________
  3. Ingredients that go into a reaction
  4. how a substance acts with other substances
  5. Burning wood to ash is a ___________________________
  6. a substance at the end of a chemical reaction

10 Clues: a process that • a sign of chemical change • Ingredients that go into a reaction • how a substance acts with other substances • a substance at the end of a chemical reaction • Cutting Paper is a_____________________________ • Burning wood to ash is a ___________________________ • the smallest particle of an element is a _______________ • ...

Food 2021-09-29

Food crossword puzzle
Across
  1. type of spot in presence of fat
  2. bonds that bond amino acids
  3. chemical symbol Mg
  4. colour change in presence of protein
  5. made from three fatty acids and glycerol
  6. many sugar units joined together
  7. a chemical reaction that combines smaller molecules to make larger molecules
  8. chemical used to test for presence of starch
Down
  1. excess amino acids are sent to the liver for _______
  2. the building blocks of proteins
  3. proteins contain the elements carbon, hydrogen, oxygen and ______________
  4. a disease caused by lac of vitamin C
  5. chemical symbol K
  6. a metabolic role of lipids
  7. an example of a structural polysaccharide
  8. the reducing sugar in food test
  9. an example of a trace element
  10. vitamin D is an example of a ______ soluble vitamin
  11. a type of lipid that is liquid at room temperature

19 Clues: chemical symbol K • chemical symbol Mg • a metabolic role of lipids • bonds that bond amino acids • an example of a trace element • the building blocks of proteins • type of spot in presence of fat • the reducing sugar in food test • many sugar units joined together • a disease caused by lac of vitamin C • colour change in presence of protein • ...

Retrosynthesis Crossword Puzzle 2025-04-20

Retrosynthesis Crossword Puzzle crossword puzzle
Across
  1. Functional group made from a carboxylic acid and an amine
  2. Substance used to cause a chemical reaction
  3. A carbonyl group bonded to two carbon atoms
  4. Carbonyl-containing compound often used in synthesis; more reactive than ketones
  5. Functional group formed from a carboxylic acid and alcohol
  6. Converts alcohols into aldehydes or ketones
  7. Working backwards from a product to figure out how to make it
Down
  1. This reagent adds a carbon chain to carbonyls to form alcohols
  2. Species that donates a pair of electrons to form a new bond
  3. Species that accepts electrons during a reaction
  4. Reaction type used to turn ketones/aldehydes into alcohols
  5. Nucleophile formed from a carbonyl and base; often used in aldol rxns
  6. Often used to deprotonate a compound or generate a nucleophile
  7. ______ group: a species that departs during a substitution reaction
  8. A common functional group made via reduction or Grignard reactions
  9. One of the two components needed to form an ester
  10. One-step substitution reaction, prefers primary alkyl halides

17 Clues: Substance used to cause a chemical reaction • A carbonyl group bonded to two carbon atoms • Converts alcohols into aldehydes or ketones • Species that accepts electrons during a reaction • One of the two components needed to form an ester • Functional group made from a carboxylic acid and an amine • Reaction type used to turn ketones/aldehydes into alcohols • ...

Chemisty Holiday Homework 2022-06-02

Chemisty Holiday Homework crossword puzzle
Across
  1. this reaction likes to do oxidation and reduction both!
  2. what reaction is it when one element takes place of another?
  3. releases heat after the reaction occurs!
  4. do this and your equation is ready!
  5. music speeds up your homework, but what speeds up a chemical reaction?
Down
  1. right side of a chemical equation!
  2. what is it when hydrogen is removed or oxygen is added?
  3. 2 or more reactants results in 1 product!

8 Clues: right side of a chemical equation! • do this and your equation is ready! • releases heat after the reaction occurs! • 2 or more reactants results in 1 product! • what is it when hydrogen is removed or oxygen is added? • this reaction likes to do oxidation and reduction both! • what reaction is it when one element takes place of another? • ...

Toxins (II) Crossword 2025-03-13

Toxins (II) Crossword crossword puzzle
Across
  1. a solution where no more can be dissolved.
  2. the part of a mass in a whole chemical.
  3. solid formed when a chemical reaction occurs.
  4. the ability of a chemical to dissolve in water.
  5. unable to dissolve in water.
Down
  1. a solution that can dissolve more chemicals.
  2. the chemical being dissolved.
  3. a solution that has extra chemicals in the container.
  4. the chemical that dissolves a chemical.
  5. able to be dissolved in water.
  6. a positively or negatively charged substance.

11 Clues: unable to dissolve in water. • the chemical being dissolved. • able to be dissolved in water. • the part of a mass in a whole chemical. • the chemical that dissolves a chemical. • a solution where no more can be dissolved. • a solution that can dissolve more chemicals. • solid formed when a chemical reaction occurs. • a positively or negatively charged substance. • ...

Periodic table 2023-08-25

Periodic table crossword puzzle
Across
  1. : are good sources of heat and electricity
  2. : Nonmetals are generally not
  3. : Metallic elements are typically
  4. : Number : On a square, above the chemical symbol
  5. : the most powerful tool in chemical information
  6. : One or two letter chemical
  7. : You can find them on the
  8. : Each element is represented by one
  9. : Each element has a unique number of
  10. : What makes a periodic table really invaluable
Down
  1. : Nonmetals are generally not good_____ of heat or electricity
  2. : It is found on the upper right of the periodic table
  3. : You can predict a lot about the chemical
  4. : This is in between Metal and Nonmetal
  5. : Atoms are listed in order of increasing
  6. : It is found on the upper left of the periodic table
  7. : Most elements are
  8. :The 7 horizontal rows is called.

18 Clues: : Most elements are • : You can find them on the • : One or two letter chemical • : Nonmetals are generally not • : Metallic elements are typically • :The 7 horizontal rows is called. • : Each element is represented by one • : Each element has a unique number of • : This is in between Metal and Nonmetal • : Atoms are listed in order of increasing • ...

Biology Ch. 6 2022-01-18

Biology Ch. 6 crossword puzzle
Across
  1. Compound in which the atoms are held together by covalent bonds
  2. An Electrical attraction between two oppositely charged atoms or groups of atoms called ions
  3. Particles that have no charge
  4. Building blocks of matter
  5. Substance that lowers the activation energy needed to start a chemical reaction
  6. The substances formed during the reaction
Down
  1. The process by which atoms or groups of atoms in substances are reorganized into different substances
  2. Center of the atom
  3. Pure substance that cannot be broken
  4. Positively charged particles
  5. Chemical bond that forms when electrons are shared
  6. Negatively charged particles
  7. An atom that has lost or gained one or more electrons
  8. Atoms of the same element that have different numbers of neutrons
  9. The starting substances
  10. Pure substance formed when two or more different elements combine

16 Clues: Center of the atom • The starting substances • Building blocks of matter • Positively charged particles • Negatively charged particles • Particles that have no charge • Pure substance that cannot be broken • The substances formed during the reaction • Chemical bond that forms when electrons are shared • An atom that has lost or gained one or more electrons • ...

Chemical Reactions 2023-01-25

Chemical Reactions crossword puzzle
Across
  1. When atoms change into new substances.
  2. Something made with all the same atoms.
  3. ___ shows the amount and type of atoms in a substance.
  4. Many repeating atoms linked together.
  5. It can cause damage.
  6. A ___ helps us by making something easier to see.
  7. The act of a substance changing from a solid to a liquid.
Down
  1. When a substance changes from liquid to gas.
  2. A substance at the start of a chemical reaction.
  3. Something you can observe from a substance, like the looks or smell.
  4. When atoms join in a specific pattern.
  5. The relative size of things.
  6. To move around things or change the position.
  7. A substance after a chemical reaction.
  8. Adding ___ to the soil helps plants grow.
  9. Microscopic pieces that make up everything.

16 Clues: It can cause damage. • The relative size of things. • Many repeating atoms linked together. • When atoms change into new substances. • When atoms join in a specific pattern. • A substance after a chemical reaction. • Something made with all the same atoms. • Adding ___ to the soil helps plants grow. • Microscopic pieces that make up everything. • ...

Vocabulary crossword puzzle 2015-11-24

Vocabulary crossword puzzle crossword puzzle
Across
  1. A physical substance that which occupies space
  2. A usually irreversible chemical reaction
  3. The ability of a substance to burn or ignite
  4. amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material
  5. A chemical property referring to the ability for a given substance
  6. degree of compactness of a substance
  7. A body's relative mass or the quality of matter contained by it
Down
  1. A feature or quality belonging typically to a person
  2. The force that attracts a body toward the center of the earth
  3. A property (as color hardness,boiling point) of matter not involving in its manifestation a chemical change
  4. The curved upper surface in a tube
  5. The quality of something that can be shaped into something else without breaking
  6. A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed
  7. A solid material ability to deform under tensile stress that is often characterized by the materials ability to be stretched into a wire
  8. usually reversible change in the physical properties of a substance,as size or shape
  9. A tendency to do nothing or to remain unchanged
  10. A measure of how much matter is in an object
  11. amount of space that a substance or object occupies
  12. The SI unit of force

19 Clues: The SI unit of force • The curved upper surface in a tube • degree of compactness of a substance • A usually irreversible chemical reaction • The ability of a substance to burn or ignite • A measure of how much matter is in an object • A physical substance that which occupies space • A tendency to do nothing or to remain unchanged • ...

photosynthesis and respiration 2019-11-25

photosynthesis and respiration crossword puzzle
Across
  1. arranged in stacks.
  2. process in which the cells of an organism obtain energy by combining oxygen and glucose.
  3. requiring oxygen
  4. the process where plant cells take in water and carbon dioxide and makes glucose.
  5. long chains of chemical reactions
  6. example of a light-independent reaction.
  7. where photosynthesis takes place.
  8. H2O
  9. C6H12O6
  10. passing electrons
Down
  1. "cytoplasm" in the chloroplast
  2. CO2
  3. O2
  4. adenosine triphosphate.
  5. reaction in photosynthesis that requires light.
  6. also called citric acid cycle
  7. supply ATP and is responsible for the generation of most cells.
  8. alcohol made by fermentation.
  9. an anaerobic process
  10. makes muscles sore
  11. does not require oxygen
  12. the process in which one glucose molecule is broken down to form two molecules of pyruvic acid.

22 Clues: O2 • CO2 • H2O • C6H12O6 • requiring oxygen • passing electrons • makes muscles sore • arranged in stacks. • an anaerobic process • adenosine triphosphate. • does not require oxygen • also called citric acid cycle • alcohol made by fermentation. • "cytoplasm" in the chloroplast • long chains of chemical reactions • where photosynthesis takes place. • example of a light-independent reaction. • ...

photosynthesis and respiration 2019-12-02

photosynthesis and respiration crossword puzzle
Across
  1. CO2
  2. does not require oxygen
  3. process in which the cells of an organism obtain energy by combining oxygen and glucose.
  4. supply ATP and is responsible for the generation of most cells.
  5. C6H12O6
  6. reaction in photosynthesis that requires light.
  7. H2O
  8. requiring oxygen
  9. also called citric acid cycle
  10. an anaerobic process
  11. makes muscles sore
Down
  1. arranged in stacks.
  2. the process in which one glucose molecule is broken down to form two molecules of pyruvic acid.
  3. "cytoplasm" in the chloroplast
  4. long chains of chemical reactions
  5. where photosynthesis takes place.
  6. passing electrons
  7. alcohol made by fermentation.
  8. example of a light-independent reaction.
  9. adenosine triphosphate.
  10. the process where plant cells take in water and carbon dioxide and makes glucose.
  11. O2

22 Clues: O2 • CO2 • H2O • C6H12O6 • requiring oxygen • passing electrons • makes muscles sore • arranged in stacks. • an anaerobic process • does not require oxygen • adenosine triphosphate. • alcohol made by fermentation. • also called citric acid cycle • "cytoplasm" in the chloroplast • long chains of chemical reactions • where photosynthesis takes place. • example of a light-independent reaction. • ...

photosynthesis and respiration 2019-11-25

photosynthesis and respiration crossword puzzle
Across
  1. requiring oxygen
  2. where photosynthesis takes place.
  3. alcohol made by fermentation.
  4. CO2
  5. arranged in stacks.
  6. reaction in photosynthesis that requires light.
  7. H2O
  8. supply ATP and is responsible for the generation of most cells.
Down
  1. example of a light-independent reaction.
  2. O2
  3. long chains of chemical reactions
  4. C6H12O6
  5. "cytoplasm" in the chloroplast
  6. the process where plant cells take in water and carbon dioxide and makes glucose.
  7. passing electrons
  8. the process in which one glucose molecule is broken down to form two molecules of pyruvic acid.
  9. does not require oxygen
  10. also called citric acid cycle
  11. an anaerobic process
  12. makes muscles sore
  13. adenosine triphosphate.
  14. process in which the cells of an organism obtain energy by combining oxygen and glucose.

22 Clues: O2 • CO2 • H2O • C6H12O6 • requiring oxygen • passing electrons • makes muscles sore • arranged in stacks. • an anaerobic process • does not require oxygen • adenosine triphosphate. • also called citric acid cycle • alcohol made by fermentation. • "cytoplasm" in the chloroplast • long chains of chemical reactions • where photosynthesis takes place. • example of a light-independent reaction. • ...

Chemistry 2024-11-12

Chemistry crossword puzzle
Across
  1. - Substance with a pH below 7
  2. - Biological catalyst
  3. - Positively charged particle in an atom’s nucleus
  4. - Particle with no charge in an atom’s nucleus
  5. - Speeds up a chemical reaction without being consumed
  6. - Substance with a pH above 7
  7. - Atom or molecule with an electric charge
  8. - State of balance in a reversible reaction
  9. - Atoms of the same element with different numbers of neutrons
  10. - Substance made of two or more elements
Down
  1. - Smallest unit of an element
  2. - Substance made of one type of atom
  3. - Negatively charged particle in an atom
  4. - Liquid in which a solute dissolves
  5. - Scale to measure acidity or basicity
  6. - Process that changes substances into new substances
  7. - Group of atoms bonded together
  8. - Homogeneous mixture of two or more substances
  9. - Mixture of two or more metals
  10. - Force that holds atoms together

20 Clues: - Biological catalyst • - Substance with a pH below 7 • - Smallest unit of an element • - Substance with a pH above 7 • - Mixture of two or more metals • - Group of atoms bonded together • - Force that holds atoms together • - Substance made of one type of atom • - Liquid in which a solute dissolves • - Scale to measure acidity or basicity • ...

1075 2025-11-16

1075 crossword puzzle
Across
  1. Splitting of NMR peaks by neighbors
  2. Part of molecule absorbing light
  3. Technique identifying molecular mass
  4. Reaction adding halogen atoms
  5. Step ending radical reaction
  6. Study of interaction with light
  7. Addition of hydrogen to unsaturated bonds
  8. Emission of light after excitation
  9. Adding sulfonic acid group to aromatic ring
  10. Delayed light emission after excitation
  11. Step forming radicals
  12. Used to detect conjugated systems
  13. Decomposition by light
Down
  1. Graph showing energy interactions
  2. Introducing nitro group to aromatic ring
  3. NMR peak position indicator
  4. Step sustaining chain reaction
  5. Area under NMR peak showing quantity
  6. Species with unpaired electron
  7. Cleavage of alkenes using ozone
  8. Detects carbon environment in molecule
  9. Used to identify functional groups
  10. Study of chemical reactions involving light
  11. NMR used for structure determination
  12. Detects hydrogen environment in molecule

25 Clues: Step forming radicals • Decomposition by light • NMR peak position indicator • Step ending radical reaction • Reaction adding halogen atoms • Step sustaining chain reaction • Species with unpaired electron • Cleavage of alkenes using ozone • Study of interaction with light • Part of molecule absorbing light • Graph showing energy interactions • Used to detect conjugated systems • ...

Thermochemistry 2020-05-01

Thermochemistry crossword puzzle
Across
  1. Enter your initials and class period after the j (Suzi Smith in 5th period would be jSS5
  2. the energy in a system that is available for work; a system's capacity to do useful work
  3. measures the energy absorbed or released as heat in a chemical or physical change
  4. the quantity of energy transferred as heat during a chemical reaction
  5. a measure of the degree of randomness of the particles, such as molecules, in a system
  6. energy of motion, energy being used
  7. heat transfer by currents in the air or water
  8. heat transfer by touch
  9. heat transfer by electromagnetic energy
Down
  1. a reaction that releases heat into its surroundings and feel warm
  2. an equation that includes the quantity of energy released or absorbed as heat during the reaction as written
  3. the SI unit of heat as well as all other forms of energy
  4. a reaction that takes in energy from its surroundings and feels cold
  5. the amount of energy required to raise the temperature of one gram of a substance by one kelvin

14 Clues: heat transfer by touch • energy of motion, energy being used • heat transfer by electromagnetic energy • heat transfer by currents in the air or water • the SI unit of heat as well as all other forms of energy • a reaction that releases heat into its surroundings and feel warm • a reaction that takes in energy from its surroundings and feels cold • ...

Thermochemistry 2020-05-01

Thermochemistry crossword puzzle
Across
  1. Enter your initials and class period after the j (Suzi Smith in 5th period would be jSS5
  2. the energy in a system that is available for work; a system's capacity to do useful work
  3. measures the energy absorbed or released as heat in a chemical or physical change
  4. the quantity of energy transferred as heat during a chemical reaction
  5. a measure of the degree of randomness of the particles, such as molecules, in a system
  6. energy of motion, energy being used
  7. heat transfer by currents in the air or water
  8. heat transfer by touch
  9. heat transfer by electromagnetic energy
Down
  1. a reaction that releases heat into its surroundings and feel warm
  2. an equation that includes the quantity of energy released or absorbed as heat during the reaction as written
  3. the SI unit of heat as well as all other forms of energy
  4. a reaction that takes in energy from its surroundings and feels cold
  5. the amount of energy required to raise the temperature of one gram of a substance by one kelvin

14 Clues: heat transfer by touch • energy of motion, energy being used • heat transfer by electromagnetic energy • heat transfer by currents in the air or water • the SI unit of heat as well as all other forms of energy • a reaction that releases heat into its surroundings and feel warm • a reaction that takes in energy from its surroundings and feels cold • ...

Science Review Topic 1-3! By Patrick + Lucas 2013-12-09

Science Review Topic 1-3! By Patrick + Lucas crossword puzzle
Across
  1. ultraviolet light can cause this _________
  2. The transfer of radiant energy
  3. The form of energy that you can see
  4. allowing all light to pass through in a straight line
  5. Line perpendicular to a surface
  6. Light making its own light
  7. Light made by chemical reaction inside the bodies of living creatures
  8. the angle between the normal line and the reflected ray
  9. Material that blocks light, preventing light to pass through
  10. a picture that light makes
  11. allowing some light to pass, but is scattered from its straight path
  12. a single line of light that is generated by a light source
Down
  1. the “bending” of light when it travels from 1 medium to another
  2. Example of an artificial light source
  3. chemical reaction that makes light without heat
  4. reflects almost all the light but absorbs some
  5. Light that leaves the sun goes through a process called ____________
  6. the light that strikes a reflecting or refracting object

18 Clues: Light making its own light • a picture that light makes • The transfer of radiant energy • Line perpendicular to a surface • The form of energy that you can see • Example of an artificial light source • ultraviolet light can cause this _________ • reflects almost all the light but absorbs some • chemical reaction that makes light without heat • ...

Physical and Chemical change 2018-11-29

Physical and Chemical change crossword puzzle
Across
  1. cloud/ the area around the nucleus where the electrons move.
  2. change which produces a new substance.
  3. up the
  4. chemical transformation
  5. 2 different type of elements bonded together.
  6. substance.
Down
  1. Properties/ can be observed
  2. anything that takes up space
  3. Properties/ observations made and measured by performing a reaction / change which produces a new substance.
  4. a distinguishing trait: quality (how it looks, sees, taste, sounds, or feels)
  5. Nucleus/ in the center of the atom which contains the protons+ and the neutrons whose mass
  6. 2 or more atoms bonded together. Those atoms can be the same type or different types of atoms.
  7. smallest size in which matter can be divided. It also is the smallest unit of matter that has the characteristic properties of a chemical element.

13 Clues: up the • substance. • chemical transformation • Properties/ can be observed • anything that takes up space • change which produces a new substance. • 2 different type of elements bonded together. • cloud/ the area around the nucleus where the electrons move. • a distinguishing trait: quality (how it looks, sees, taste, sounds, or feels) • ...

Section 2.5 2021-09-15

Section 2.5 crossword puzzle
Across
  1. It is a classification system that has been developed based on the type of reaction the enzyme catalyzes.
  2. They are involved in electron transfer.
  3. They are catalysts for chemical reactions in living things.
  4. It is a substance that decreases the activation energy needed to start a chemical reaction and, as a result, also increases the rate of the chemical reaction.
  5. It transfers a chemical group from one substance to another.
Down
  1. It is a large protein enzyme molecule that is composed of one or more amino acid chains.
  2. It is a specific reactant that an enzyme act on.
  3. They form double bonds by adding or removing a chemical group.

8 Clues: They are involved in electron transfer. • It is a specific reactant that an enzyme act on. • They are catalysts for chemical reactions in living things. • It transfers a chemical group from one substance to another. • They form double bonds by adding or removing a chemical group. • ...

Showing What I Learned: AP Biology Addition 2021-01-07

Showing What I Learned: AP Biology Addition crossword puzzle
Across
  1. the smallest living structure
  2. plants and animals contain these
  3. where electrons are gained or lost
  4. a type of organic molecule, but is not a polymer
  5. set of chemical reactions that release energy from food for use by the cell
  6. a protein that catalyzes chemical reactions
  7. the sum of all of an organisms chemical reactions
  8. breaks down a polymer (water)
Down
  1. makes up plant cell walls
  2. atoms, molecules, cells, then ___
  3. energy storage for animals
  4. how many bonds can carbon form?
  5. spreading out of molecules
  6. a type of nucleic acid
  7. the initial energy used to start a chemical reaction
  8. the process by which gametes are produced for the process of sexual reproduction

16 Clues: a type of nucleic acid • makes up plant cell walls • energy storage for animals • spreading out of molecules • the smallest living structure • breaks down a polymer (water) • how many bonds can carbon form? • plants and animals contain these • atoms, molecules, cells, then ___ • where electrons are gained or lost • a protein that catalyzes chemical reactions • ...

Extra Credit 2022-02-27

Extra Credit crossword puzzle
Across
  1. h2o
  2. where photosynthesis takes place
  3. carries glucose
  4. factory where photosynthesis happens
Down
  1. what is needed for a reaction
  2. comes from the sun
  3. pigment
  4. A process where plants make food
  5. formed in a chemical reaction
  6. lets gases in and out
  7. Distributes water

11 Clues: h2o • pigment • carries glucose • Distributes water • comes from the sun • lets gases in and out • what is needed for a reaction • formed in a chemical reaction • A process where plants make food • where photosynthesis takes place • factory where photosynthesis happens

Chemisty Holiday Homework 2022-06-02

Chemisty Holiday Homework crossword puzzle
Across
  1. this reaction likes to do oxidation and reduction both!
  2. releases heat after the reaction occurs!
  3. do this and your equation is ready!
  4. 2 or more reactants results in 1 product!
Down
  1. what reaction is it when one element takes place of another?
  2. what is it when hydrogen is removed or oxygen is added?
  3. right side of a chemical equation!
  4. music speeds up your homework, but what speeds up a chemical reaction?

8 Clues: right side of a chemical equation! • do this and your equation is ready! • releases heat after the reaction occurs! • 2 or more reactants results in 1 product! • this reaction likes to do oxidation and reduction both! • what is it when hydrogen is removed or oxygen is added? • what reaction is it when one element takes place of another? • ...

AP Bio Unit 3 Vocabulary 2022-12-09

AP Bio Unit 3 Vocabulary crossword puzzle
Across
  1. the study of the transformation of energy in living organisms.
  2. A series of chemical reactions that occurs as part of the dark reactions of photosynthesis
  3. an organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group. Many naturally occurring fats and essential oils are esters of fatty acids.
  4. require energy input to take simple, low energy reactants and build complex, high energy products.
  5. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
  6. a multi-subunit pigment-protein complex found in thylakoid membranes of oxygenic photosynthetic organisms, including cyanobacteria, algae, and plants
  7. each of the partial partitions in a mitochondrion formed by infolding of the inner membrane.
  8. the sequence of reactions by which most living cells generate energy during the process of aerobic respiration. It takes place in the mitochondria, consuming oxygen, producing carbon dioxide and water as waste products, and converting ADP to energy-rich ATP.
  9. A chemical reaction having a common intermediate in which energy is transfered from one side of the reaction to the other.
  10. nicotinamide adenine dinucleotide (NAD) + hydrogen (H)
  11. the enzyme that incorporates CO2 into plants during photosynthesis
  12. the breaking down of sugar molecules into simpler compounds to produce substances
  13. plays a vital role in normal hemostasis and thrombosis
  14. a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system.
  15. energy which a body possesses by virtue of being in motion.
  16. a class of oxygen-containing carotenoid pigments
  17. a thermodynamic quantity equal to the enthalpy (of a system or process) minus the product of the entropy and the absolute temperature.
  18. any of a number of compounds consisting of heme bonded to a protein. Cytochromes function as electron transfer agents in many metabolic pathways, especially cellular respiration.
  19. the process by which inorganic carbon from the atmosphere is assimilated into living organisms and converted into organic compounds.
  20. the source of energy for use and storage at the cellular level
  21. a region on an enzyme that binds to a protein or other substance during a reaction.
  22. set up in a mitochondria membrane, where the proton concentration is higher outside the inner membrane than inside the membrane.
  23. a model for enzyme–substrate interaction to describe that the substrate is capable of inducing the proper alignment of the active site of the enzyme, causing the latter to subsequently perform its catalytic function.
  24. a thermodynamic quantity equivalent to the total heat content of a system. It is equal to the internal energy of the system plus the product of pressure and volume.
  25. the synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight.
  26. any coloured material found in a plant or animal cell
  27. a redox-active coenzyme associated with various proteins, which is involved with several enzymatic reactions in metabolism
  28. a 2-oxo monocarboxylic acid anion that is the conjugate base of pyruvic acid,
  29. a metabolic process by which glucose or other six-carbon sugars (also, disaccharides of six-carbon sugars, e.g. sucrose or lactose) are converted into cellular energy and the metabolite lactate, which is lactic acid in solution.
  30. a series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation.
  31. The cavity or channel within a tube or tubular organ such as a blood vessel or the intestine.
  32. reducing agent produced by the light reactions of photosynthesis
  33. inhibition of an enzyme controlling an early stage of a series of biochemical reactions by the end product when it reaches a critical concentration.
  34. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  35. the division of something into sections or categories.
  36. nicotinamide adenine dinucleotide phosphate hydrogen
  37. a type of behavior where a number of seemingly independent components of a system act collectively, in unison or near-unison.
  38. a protein that catalyzes the formation of the energy storage molecule adenosine triphosphate (ATP) using adenosine diphosphate (ADP)
  39. a reaction in which electrons are added to a compound;
Down
  1. a class of more than 750 naturally occurring pigments synthesized by plants, algae, and photosynthetic bacteria
  2. organic compounds required by many enzymes for catalytic activity
  3. the site of the light-dependent reactions of photosynthesis with the photosynthetic pigments embedded directly in the membrane
  4. an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin
  5. a chemical reaction in which energy is being used in the overall reaction, making the reaction non-spontaneous and thermodynamiacally unfavorable.
  6. a type of chemical reaction in which molecules are split into smaller by absorbing light.
  7. the chemical processes that occur within a living organism in order to maintain life.
  8. The cells and tissues that support and give structure to organs, glands, or other tissues in the body.
  9. an organic substance that is involved in photosynthesis, notably as the principal CO 2 acceptor in plants
  10. a graph that shows the absorbance of different wavelengths of light by a particular pigment
  11. The movement of ions across a selectively permeable membrane, down their electrochemical gradient.
  12. the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.
  13. any member of the most important class of pigments involved in photosynthesis,
  14. the mitochondrion internal spaces enclosed by the inner membrane.
  15. the type of respiration through which cells can break down sugars to generate energy in the absence of oxygen.
  16. The movement of ions across a selectively permeable membrane, down their electrochemical gradient
  17. involves the investment of two ATP molecules and results in the formation of two molecules of glyceraldehyde phosphate..
  18. the removal or elimination of carboxyl from a molecule.
  19. The complete range of all types of radiation that has both electric and magnetic fields and travels in waves.
  20. the breakdown of complex molecules in living organisms to form simpler ones, together with the release of energy; destructive metabolism.
  21. the tendency of an atom participating in a covalent bond to attract the bonding electrons
  22. the synthesis of complex molecules in living organisms from simpler ones together with the storage of energy; constructive metabolism.
  23. the product of the Calvin cycle
  24. A process in which glucose (sugar) is partially broken down by cells in enzyme reactions that do not need oxygen
  25. High energy electron carrier used to transport electrons generated in Glycolysis and Krebs Cycle to the Electron Transport Chain.
  26. a cluster of proteins that transfer electrons through a membrane to create a gradient of protons
  27. a reaction that releases free energy in the process of the reaction.
  28. a central metabolic coenzyme/cosubstrate involved in cellular energy metabolism and energy production
  29. a type of chemical reaction that involves a transfer of electrons between two species
  30. A molecule that can accept and donate electrons from and to various enzymes.
  31. A chemical reaction that takes place when a substance comes into contact with oxygen or another oxidizing substance.
  32. the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
  33. Sites different from the active site of an enzyme where a molecule can bind and change the shape of the active site
  34. a substance (other than the substrate) whose presence is essential for the activity of an enzyme.
  35. stage in cellular respiration that “links” two other stages
  36. a quantum of radiant energy with a visible wavelength.

75 Clues: the product of the Calvin cycle • a class of oxygen-containing carotenoid pigments • nicotinamide adenine dinucleotide phosphate hydrogen • any coloured material found in a plant or animal cell • nicotinamide adenine dinucleotide (NAD) + hydrogen (H) • plays a vital role in normal hemostasis and thrombosis • a quantum of radiant energy with a visible wavelength. • ...

Chemical Equations Vocabulary Practice 2023-11-30

Chemical Equations Vocabulary Practice crossword puzzle
Across
  1. The process of rearranging atoms and bonds to create new molecules.
  2. Found on the right side of a chemical equation. Substances created by a chemical reaction.
  3. The molecules on the left side of a chemical equation. These are at the beginning of the chemical reaction.
  4. "Matter is neither created nor destroyed." It just changes forms
Down
  1. The process of making a chemical reaction have an equal number of atoms/elements in both the products and the reactants.
  2. The large numbers in a chemical reaction. These designate how many of a particular molecule there are.
  3. The small numbers next to an element. These show how many of that element are in the molecule.

7 Clues: "Matter is neither created nor destroyed." It just changes forms • The process of rearranging atoms and bonds to create new molecules. • Found on the right side of a chemical equation. Substances created by a chemical reaction. • The small numbers next to an element. These show how many of that element are in the molecule. • ...

Chapter 11 - Mixtures, Solutions, and Changes 2021-12-10

Chapter 11 - Mixtures, Solutions, and Changes crossword puzzle
Across
  1. A combination of substances where chemical reactions do not occur.
  2. Atoms link together to form new compounds
  3. A mixture in which atoms of a solid separate and become invisible in a liquid.
Down
  1. Change in size, shape, color, or the state of matter of a substance that does not change it into a different substance
  2. the new substances produced by a chemical reaction
  3. reaction Another name for chemical change; a process during which the atoms rearrange to form products with different properties.
  4. A mixture of a solid and a liquid where the solid does not dissolve.
  5. The original substances at the beginning of a chemical reaction

8 Clues: Atoms link together to form new compounds • the new substances produced by a chemical reaction • The original substances at the beginning of a chemical reaction • A combination of substances where chemical reactions do not occur. • A mixture of a solid and a liquid where the solid does not dissolve. • ...

Chemistry Unit Guide 2016-02-11

Chemistry Unit Guide crossword puzzle
Across
  1. present in a chemical reaction
  2. it's the powerhouse of the atom
  3. has no electric charge
  4. The outermost electron
  5. conductors of electricity
  6. a substance from when two or more chemicals are bonded
  7. the number of protons in an atom
  8. created the periodic table
  9. the mass of an atom
  10. h20
  11. smallest particle in a chemical element
  12. horizontal row of elements on the P.T
  13. column of elements on the P.T
Down
  1. the recombination of atoms
  2. made by Mikhail Lomonsov
  3. chemical reactions that is accompanied by the absorption of heat
  4. not able to conduct electricity or heat well
  5. has a positive charge
  6. makes up matter
  7. any elements in group O
  8. The pattern of an atom
  9. a chemical element in the middle of typical metals and non-metals
  10. releases energy by light or heat
  11. cannot be chemically interconverted or broken down
  12. an outer coating of other metals

25 Clues: h20 • makes up matter • the mass of an atom • has a positive charge • has no electric charge • The outermost electron • The pattern of an atom • any elements in group O • made by Mikhail Lomonsov • conductors of electricity • the recombination of atoms • created the periodic table • column of elements on the P.T • present in a chemical reaction • it's the powerhouse of the atom • ...

Benzenoid aromatics from renewable resources 2024-11-14

Benzenoid aromatics from renewable resources crossword puzzle
Across
  1. an organic compound that contains one or more benzene or equivalent heterocyclic rings: many such compounds have an agreeable odor
  2. a skeletal structure designed to support or enclose something
  3. In a chemical reaction or mechanism, any reacting species which is no longer starting material or reactant, and has not yet become product, and which is not a transition state
  4. a physical transformation from one material or state to another
  5. pertaining to nonaromatic hydrocarbon compounds in which the constituent carbon atoms can be straight-chain, branched chain, or cyclic, as in alicyclic compounds; saturated, as in the paraffins; or unsaturated, as in the olefins and alkynes
Down
  1. Chemical compounds whose main feature is a long chain of carbon atoms bonded to hydrogen atoms
  2. a chemical reaction in which a ferment causes an organic molecule to split into simpler substances, esp the anaerobic conversion of sugar to ethyl alcohol by yeast
  3. the application of heat to chemical compounds in order to cause decomposition
  4. any of a group of hydrated silicates of aluminum with alkali metals, commonly occurring as secondary minerals in cavities in basic volcanic rocks: used for their molecular sieve properties because they undergo dehydration with little or no change in crystal structure
  5. a substance that causes or accelerates a chemical reaction without itself being affected
  6. occurs when a reaction that can produce more than one product, prefers one product over another

11 Clues: a skeletal structure designed to support or enclose something • a physical transformation from one material or state to another • the application of heat to chemical compounds in order to cause decomposition • a substance that causes or accelerates a chemical reaction without itself being affected • ...

Science Final 2025-05-07

Science Final crossword puzzle
Across
  1. Materials that allow electric current to flow easily (e.g., metals like copper).
  2. The smallest unit of an element that retains its chemical properties.
  3. The distance between two corresponding points on adjacent waves, like crest to crest or trough to trough.
  4. Wave A wave where the disturbance is perpendicular to the direction of wave propagation (e.g., light waves, electromagnetic waves).
  5. Energy Energy associated with motion.
  6. Equation A symbolic representation of a chemical reaction using formulas and symbols.
  7. Law These laws explain the relationship between force, mass, and acceleration
  8. The rate at which an object's velocity changes
  9. The central core of an atom, containing protons and neutrons.
  10. A field is a region of space where a force can act. Gravitational, electric, and magnetic forces are associated with fields that surround objects.
  11. The speed of an object in a specific direction
Down
  1. Materials that resist the flow of electric current (e.g., rubber, plastic).
  2. The starting substances in a chemical reaction.
  3. Electricity The accumulation of electric charge on an object.
  4. The rate at which an object moves
  5. A positively charged subatomic particle found in the nucleus.
  6. Wave A wave that requires a medium to travel through (e.g., sound, water waves).
  7. Circuit: A closed path through which electric current can flow.
  8. Field A force field that surrounds a magnet or electric current.

19 Clues: The rate at which an object moves • Energy Energy associated with motion. • The rate at which an object's velocity changes • The speed of an object in a specific direction • The starting substances in a chemical reaction. • A positively charged subatomic particle found in the nucleus. • The central core of an atom, containing protons and neutrons. • ...

Science Vocabulary Unit B Crossword 2015-11-19

Science Vocabulary Unit B Crossword crossword puzzle
Across
  1. Most reactive non-metals, group 17 on the periodic table
  2. The smallest part of an element
  3. An experiment in which no reactants or products can escape
  4. Combination of symbols representing a compound
  5. A neutral charge particle in an element core
  6. How fast a chemical reaction occurs
  7. A law that states mass is neither create or destroyed in chemical reactions
  8. A negatively charged particle in an element
  9. An Atom that has become electrically charged
  10. Substance that helps the rate of reaction occur faster
  11. An element with metallic and non-metallic qualities
Down
  1. The core of an element; contains Protons and Neutrons
  2. Organic catalyst
  3. Not as reactive, group 2 on periodic table
  4. A Pure substance formed when 2 nonmetals combine
  5. A column in the periodic table
  6. An experiment in which reactants and products can escape
  7. Mass of one atom in an element
  8. A row in the periodic table
  9. A positively charged particle in an element
  10. Most reactive metals, group 1 on periodic table
  11. A reaction which is irreversible, creates a new substance, etc.
  12. A section of elements on the periodic table that does not conduct electricity, is dull and brittle
  13. Number of protons in an atom
  14. A pure substance formed by a metal and non-metal

25 Clues: Organic catalyst • A row in the periodic table • Number of protons in an atom • A column in the periodic table • Mass of one atom in an element • The smallest part of an element • How fast a chemical reaction occurs • Not as reactive, group 2 on periodic table • A positively charged particle in an element • A negatively charged particle in an element • ...

Chem vocab 2021-12-02

Chem vocab crossword puzzle
Across
  1. the ratio of moles between compounds in a chemical reaction
  2. what a reaction should produce in theory
  3. the relationship between the relative quantities of substances in a raction
  4. what a reaction truly produces
Down
  1. the reactant in an equation which limits teh reaction, typically a gas
  2. the amount of molecules in a mile, typically expressed as 6.02x10^23
  3. the ratio of actual yield to theoretical yield x100
  4. what is typically left out of the yield in a chemical reaction, typically a solid

8 Clues: what a reaction truly produces • what a reaction should produce in theory • the ratio of actual yield to theoretical yield x100 • the ratio of moles between compounds in a chemical reaction • the amount of molecules in a mile, typically expressed as 6.02x10^23 • the reactant in an equation which limits teh reaction, typically a gas • ...

Chemical Reactions and equations 2015-02-13

Chemical Reactions and equations crossword puzzle
Across
  1. _________ reactions absorbs heat
  2. addition of hydrogen or removal of oxygen is termed as _______ reaction.
  3. the reaction of an element with a compound to produce a new element and a new compound
  4. ________ reaction is the opposite of combination reaction
  5. the chemical name of quick lime is _______ oxide.
Down
  1. a double displacement reaction between an acid and a base to produce an ionic compound (a salt) and usually water
  2. a chemical equation is balanced by changing or adding _____
  3. The type of compound formed by combining an element with oxygen

8 Clues: _________ reactions absorbs heat • the chemical name of quick lime is _______ oxide. • ________ reaction is the opposite of combination reaction • a chemical equation is balanced by changing or adding _____ • The type of compound formed by combining an element with oxygen • addition of hydrogen or removal of oxygen is termed as _______ reaction. • ...

Endothermic and Exothermic 2025-05-07

Endothermic and Exothermic crossword puzzle
Across
  1. The unit for energy (5)
  2. The energy needed to start a reaction (10,6)
  3. The type of formula that shows the bonds (10)
  4. What is created when substances react (7)
Down
  1. A 1000 J's (9)
  2. The energy stored in a bond (4,6)
  3. Process in plants and animals that is exothermic (11)
  4. Can be transferred or stored in a reaction (6)
  5. A reaction that takes in energy (11)
  6. A chemical that is being reacted with another (8)
  7. Process in plants that is endothermic (14)
  8. A reaction that transfers energy out (10)
  9. These types of bond store more energy than single ones (6)
  10. What we measure temperature changes with (11)
  11. The short name for a mole of a substance (3)

15 Clues: A 1000 J's (9) • The unit for energy (5) • The energy stored in a bond (4,6) • A reaction that takes in energy (11) • A reaction that transfers energy out (10) • What is created when substances react (7) • Process in plants that is endothermic (14) • The energy needed to start a reaction (10,6) • The short name for a mole of a substance (3) • ...

Matter & Chemical Change 2024-04-02

Matter & Chemical Change crossword puzzle
Across
  1. The ability of a substance to undergo a chemical reaction and to form new substances
  2. A substance composed of two or more elements chemically combined in a fixed ratio
  3. A change in which a substance changes form but not its chemical identity
  4. State of matter with no definite shape or volume
  5. The process of a liquid changing into a gas
  6. The smallest unit of an element that retains its chemical properties
Down
  1. Substance that undergoes a change in a chemical reaction
  2. The ability of a substance to dissolve in another substance
  3. A change in which a substance undergoes a transformation into one or more new substances
  4. The study of the composition, structure, properties, and reactions of matter
  5. A pure substance made up of only one type of atom
  6. Substance with a definite shape and volume

12 Clues: Substance with a definite shape and volume • The process of a liquid changing into a gas • State of matter with no definite shape or volume • A pure substance made up of only one type of atom • Substance that undergoes a change in a chemical reaction • The ability of a substance to dissolve in another substance • ...

Science Vocab Unit 1 2024-10-07

Science Vocab Unit 1 crossword puzzle
Across
  1. When one or more substances are combined to create a new substance
  2. The old substances in a chemical reaction
  3. The new substance that is formed in a chemical reaction
  4. The amount of space that a substance takes up
  5. The temperature at which a solid substance melts or fuses.
  6. The quality of being difficult to scratch, cut , or break.
Down
  1. Any type of matter or material. A form of matter having constant chemical composition and characteristic properties
  2. The ability of a substance to dissolve within another substance
  3. How compact the molecules in a substance are
  4. When two or more substances are combined such that each substance retains its own chemical identity
  5. A characteristic or trait that you can use to describe matter by observation and/ or measurement
  6. A measurement of how much matter an object contains

12 Clues: The old substances in a chemical reaction • How compact the molecules in a substance are • The amount of space that a substance takes up • A measurement of how much matter an object contains • The new substance that is formed in a chemical reaction • The temperature at which a solid substance melts or fuses. • ...

SCIENCE MYSTERY 2022-07-02

SCIENCE MYSTERY crossword puzzle
Across
  1. : Substances that participate in the reaction
  2. : temporary projections of the cell also referred as false feet
  3. : supported by C- shaped cartilaginous rings
  4. : mirror used by doctors to examine tooth
  5. : reaction in which heat is involved
  6. : objects that emit their own light
  7. : site of gaseous exchange
  8. : Angle of ____________ is always equal to angle of reflection
Down
  1. : organisms that make their own food
  2. : Balancing chemical equations satisfy the law of _______________ of mass
  3. : reaction in which food containing oil gets rancid
  4. : Phenomenon of bending of light as it passes between two substances
  5. : secreted by pancreas for breakdown of protein
  6. : Image is formed at __________ when light rays come from infinity
  7. : type of reaction in which higher metal displaces lower metal

15 Clues: : site of gaseous exchange • : objects that emit their own light • : organisms that make their own food • : reaction in which heat is involved • : mirror used by doctors to examine tooth • : supported by C- shaped cartilaginous rings • : Substances that participate in the reaction • : secreted by pancreas for breakdown of protein • ...

Photosynthesis Crossword Puzzle 2024-04-30

Photosynthesis Crossword Puzzle crossword puzzle
Across
  1. the gas reactant of photosynthesis
  2. specialized, double-membrane organelle in plant cells where photosynthesis occurs
  3. connect the thylakoids of different grana
  4. fluid-filled space around the grana
  5. byproduct of photosynthesis
  6. five letter energy-storage molecule made during the light-dependent reactions
  7. a substance that goes into a chemical reaction
  8. three letter energy-storage molecule made during the light-dependent reactions
  9. a substance that is made during a chemical reaction
  10. the type of energy required for photosynthesis
Down
  1. disc-like structures arranged in stacks that contain chlorophyll
  2. first phase of photosynthesis that requires light energy and takes place in the thylakoid
  3. sugar made during the Calvin Cycle that becomes glucose
  4. stacks of thylakoids
  5. the green pigment that captures light energy
  6. final sugar made during photosynthesis
  7. second phase of photosynthesis that takes place in the stroma
  8. liquid reactant of photosynthesis

18 Clues: stacks of thylakoids • byproduct of photosynthesis • liquid reactant of photosynthesis • the gas reactant of photosynthesis • fluid-filled space around the grana • final sugar made during photosynthesis • connect the thylakoids of different grana • the green pigment that captures light energy • a substance that goes into a chemical reaction • ...

Photosynthesis 2024-04-22

Photosynthesis crossword puzzle
Across
  1. Iodine solution is used to test for........
  2. The green pigment in leaves.
  3. Photosynthesis is an example of this type of reaction.
  4. This is the variable that is measured in an experiment.
  5. The enrgy for photosynthesis comes from the .......
  6. This is the sugar made in photosynthesis.
  7. Biological reactions take place in ...... things.
  8. Plants take this substance in through their roots.
  9. The tiny openings on the understand of leaves.
Down
  1. During photosynthesis light energy is converted to ........ energy.
  2. The name given to the way plants make food.
  3. This substance removes the chlorophyll from leaves.
  4. This are the variables that remain constant.
  5. The gas produced during photosynthesis.
  6. This is the variable that changes in an experiment.
  7. Photosynthesis is an example of this type reaction.
  8. High temperatures affect the action of these in photosynthesis.
  9. dioxide This gas is needed for photosynthesis.
  10. In a chemical reaction,....substances are formed.

19 Clues: The green pigment in leaves. • The gas produced during photosynthesis. • This is the sugar made in photosynthesis. • The name given to the way plants make food. • Iodine solution is used to test for........ • This are the variables that remain constant. • dioxide This gas is needed for photosynthesis. • The tiny openings on the understand of leaves. • ...

Chem Crossword! 2021-04-16

Chem Crossword! crossword puzzle
Across
  1. Bromine and Mercury.
  2. Valence electrons hang out here.
  3. Fourth group; Third period.
  4. Really? Na with Cl? That is so...!
  5. This type of substance is produced in a chemical reaction.
  6. The tiny numbers in a chemical equation.
  7. Electrons might have more friends if they weren't so...
  8. A neutron's charge.
  9. # of Br ions that will easily bond with Magnesium.
  10. A negative ion.
  11. They get rearranged in a chemical reaction.
  12. A model citizen in the world of chemistry.
  13. Two energy shells; Three valence electrons.
  14. They keep us from falling apart.
  15. The type of dots that mean valence electrons.
  16. The...of an atom is like a fly in a cathedral!
  17. The top of the nobel gasses.
  18. Mendeleev predicted more would be found.
  19. It makes up most of an atom's volume, and yours too.
  20. When the reactants get broken into smaller particles.
  21. The universe is mostly made of this substance.
  22. They're organized by # of electron shells.
  23. They're organized by # of valence electrons.
  24. The boundary between metals and nonmetals.
Down
  1. When the products are a combination of the reactants.
  2. These can be changed when balancing equations.
  3. Most bonds between nonmetals.
  4. Conservation of mass is a……not just a suggestion!
  5. If we were all covalent maybe we'd be more willing to...
  6. A pattern that is repeated over and over, like weeks in a calendar.
  7. He, Ne, Ar, Kr, etc...
  8. A positive ion.
  9. I'm absolutely, 100%, without a doubt positive!
  10. Nickname for a chemical reaction.
  11. An "overweight" atom.
  12. The sum of an atom's protons and neutrons.
  13. The heaviest natural element.
  14. The attraction between two ions.
  15. An equation that obeys the law of conservation.
  16. Valence electrons in a Cesium atom.
  17. the number of protons in an atom.
  18. Where the heavier elements get cooked up.
  19. Metals with one valence electron.

43 Clues: A positive ion. • A negative ion. • A neutron's charge. • Bromine and Mercury. • An "overweight" atom. • He, Ne, Ar, Kr, etc... • Fourth group; Third period. • The top of the nobel gasses. • Most bonds between nonmetals. • The heaviest natural element. • Valence electrons hang out here. • The attraction between two ions. • They keep us from falling apart. • ...

Chemistry crossword 2018-11-13

Chemistry crossword crossword puzzle
Across
  1. chlorine
  2. combination of pure substances
  3. substance that reacts with another substances in a chemical reaction to create new substances with different properties
  4. shell orbit of electrons around the nucleus of an atom
  5. a chemical combination of two or more elements in a specific ratio
  6. table a table in which the elements are organized by their physical and chemical properties
  7. cloudy mixture in which tiny particles of one substance are held within another and the particles can be separated out
  8. neutral particle in the nucleus of an atom
  9. number number of protons in the nucleus of one atom of an element
  10. group 17 elements in the perodic table,the most reactive not metals
  11. metals group 1 elements in the peroidic table,not including hydrogeon the most reactive of the metals
Down
  1. a pure substance that cannot be broken down into other substances,made up of only one type of atom
  2. something that has mass and occupies space
  3. group of atoms joined by covalent bonds
  4. homogenous mixture mixture of two or more pure substances that looks like one substance
  5. reaction a reaction that takes place when to or more substances react to form a new substance
  6. change in the appearance or state of a substance that does not change the composition
  7. compound pure substance formed when non-metals combine
  8. positively charged particle in the nucleus of an atom
  9. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be seperatedout from other substances
  10. compound pure substance formed when at least one metal and one non metal combine
  11. compound that dissolves in water to form a solution with a ph lower than 7
  12. gases group 18 elements in the periodic table,the most stable and interactive elements

23 Clues: chlorine • combination of pure substances • group of atoms joined by covalent bonds • something that has mass and occupies space • neutral particle in the nucleus of an atom • positively charged particle in the nucleus of an atom • shell orbit of electrons around the nucleus of an atom • compound pure substance formed when non-metals combine • ...

ELL Semester 2- Emily 2016-04-27

ELL Semester 2- Emily crossword puzzle
Across
  1. A place for grinding grain
  2. People from each state to elect the president and the vice president based on the votes of the people
  3. An element that is totally dade of gas that forms molecules because they don’t have full valence shells on their own
  4. A process in which a solid changes directly into gas.
  5. The advanced group in any field
  6. An agreement to pay bail
  7. A chemical substance used to preserve food
  8. A formal agreement between two groups or countries
  9. The number of protons in the nucleus of an atom; the atomic number is same for all atoms of an element.
  10. Someone that does work by physical strength
  11. Offensive or rude
  12. Acting in a way that is not easily upset or excited
  13. A position in a society, organization, or group
  14. A charged particle that forms when an atom or group of atoms gains or loses one or more electrons
  15. A farm in the U.S. for specific kinds of animals
Down
  1. Anyone of the various forms of a chemical element in having the same number of protons in the nucleus, or the same atomic number, but having different number of neutrons in the nucleus or different atomic weight.
  2. A reaction that is accompanied by the absorption of heat, or an generates heat to maintain its temperature
  3. The smallest particle of a substance that can exist by itself or be combined with other atoms to form a molecule.
  4. A subatomic particle that has no charge and that is found in the nucleus of an atom.
  5. All future generations of people
  6. A substance that shows down or stops a chemical reaction
  7. Doing something that disobeys the rule
  8. To change with a crime done while in office
  9. A substance that changes when it is combined with another substance in chemical reaction
  10. A job or position that is available to be taken

25 Clues: Offensive or rude • An agreement to pay bail • A place for grinding grain • The advanced group in any field • All future generations of people • Doing something that disobeys the rule • A chemical substance used to preserve food • To change with a crime done while in office • Someone that does work by physical strength • A job or position that is available to be taken • ...

Chemistry of Life 2022-10-17

Chemistry of Life crossword puzzle
Across
  1. the attraction of particles of the same substance
  2. compounds that form extra hydroxide ions when dissolved in water
  3. an enzyme that attaches to a substrate
  4. a substance that reacts to prevent pH changes in a solution
  5. a group of atoms held together by covalent bonds
  6. substance made of bonded atoms of two or more different elements
  7. an organic molecule that acts as the main energy source for cell processes
  8. material that contains the information that determines inherited characteristics
  9. a substance made up of atoms with the same number of protons
  10. an atom or group of atoms that have an electric charge because it has gained or lost electrons
  11. molecule that acts as a catalyst in biochemical reactions
  12. another class of biomolecules that include fats, etc
  13. a substance that forms a chemical reaction
  14. the minimum amount of energy required to start a chemical reaction
Down
  1. molecule of amino acids, building blocks that link to form proteins
  2. the outermost level or shell of an atom are called valence electrons
  3. an organic compound that consist of a sugar, a phosphate, and a nitrogenous base
  4. a natural polymer that is present in all living cells and that plays a role in protein synthesis
  5. the reactant in reactions catalyzed by enzymes
  6. a substance or molecule that participates in chemical reaction
  7. an organic compound, whose molecules are made up of one or two chains of nucleotides
  8. the attraction of particles of the same substance
  9. the capacity to do work
  10. a mixture in which ions or molecules of one or more substances are evenly distributed in another substance
  11. compounds that form extra hydronium ions when dissolved in water
  12. the smallest unit of matter that cannot be broken down by chemical means
  13. sugar molecules
  14. measure of how acidic or bacis a solution is

28 Clues: sugar molecules • the capacity to do work • an enzyme that attaches to a substrate • a substance that forms a chemical reaction • measure of how acidic or bacis a solution is • the reactant in reactions catalyzed by enzymes • a group of atoms held together by covalent bonds • the attraction of particles of the same substance • ...

Matter 2024-04-09

Matter crossword puzzle
Across
  1. The types of elements that make up a substance.
  2. A structure whose subunits occur in a constant ratio and are arranged in a repeating pattern.
  3. A type of test that medical scientists perform to assess a medicine's effectiveness.
  4. A unique particle of matter that is a fundamental building block of matter.
  5. Data that can be used to support a scientific claim or argument.
  6. The mass of a single atom.
  7. The requirements that must be met for an engineering solution to be successful.
  8. A solid structure whose atoms or molecules are arranged in a repeating three-dimensional pattern.
  9. A representation of an object which makes important aspects easier to see.
  10. An individua particle of an element.
  11. Matter that has a constant chemical composition and characteristics.
  12. On a scale that people can see with their eyes.
  13. A property that describes the mass of a certain volume of matter.
  14. A type of extended structure that is made of many smaller, repeating subunits in a chain.
Down
  1. The connection between atoms in more complex particles.
  2. The specific way in which the bonds and atoms are arranged within the molecules of a substance.
  3. A limitation on the range of possible solutions to a design.
  4. A shorthand notation of one, two, or three letters that represent the name of the element.
  5. A new substance that forms during a chemical reaction.
  6. The process in which one or more new substances form from one or more other substances.
  7. A substance that exists before a chemical reaction takes place and changes as a result of the reaction.
  8. A property that describes how well one substance dissolves in another substance.
  9. A group of two or more atoms that are held together by chemical bonds.
  10. The amount of matter in an object or sample.
  11. A characteristic of matter.

25 Clues: The mass of a single atom. • A characteristic of matter. • An individua particle of an element. • The amount of matter in an object or sample. • The types of elements that make up a substance. • On a scale that people can see with their eyes. • A new substance that forms during a chemical reaction. • The connection between atoms in more complex particles. • ...

Matter & Its Changes CW 1 2022-09-28

Matter & Its Changes CW 1 crossword puzzle
Across
  1. Characteristics of matter that can be used to identify substances.
  2. Substances that are combined to form products in a chemical reaction.
  3. the particles in a solid _______, or move back and forth, in a fixed place
  4. A substance that speeds up a chemical reaction.
  5. change from a gas to a solid
  6. the result of oxygen in the air reacting with the iron and causing erosion
  7. change from a liquid to solid
  8. the formula to calculate the density of a substance
  9. degrees Celsius for the boiling point water, at sea level
  10. the ability for metal to be hammered, pressed or rolled into thin sheets
  11. anything that has mass and takes up space
  12. change from a liquid to a gas
  13. the amount of mass a material has in a given volume
  14. degrees Celsius for the freezing point of water, at sea level
  15. the temperature at which a liquid becomes a gas
  16. has indefinite shape but definite volume
  17. has indefinite shape and indefinite volume
Down
  1. the number of states of matter
  2. a characteristic of a material that you can observe or measure without changing the material
  3. a change in the identity of a substance due to the chemical properties of that substance
  4. law that states the mass of what you end with is always the same as the mass of what you start with
  5. the shine of a metal
  6. any characteristic that gives a substance the ability to undergo a change that results in a new substance
  7. a change where the physical properties of a substance change but the substance does not change
  8. change from a solid to a liquid
  9. the ability for metal to be drawn into wires
  10. The result of substances being combined in a chemical reaction.
  11. the temperature at which a solid becomes a liquid
  12. has a definite shape and definite volume
  13. change from a solid to a gas

30 Clues: the shine of a metal • change from a gas to a solid • change from a solid to a gas • change from a liquid to solid • change from a liquid to a gas • the number of states of matter • change from a solid to a liquid • has a definite shape and definite volume • has indefinite shape but definite volume • anything that has mass and takes up space • ...

Unit 5 Crossword 2023-11-14

Unit 5 Crossword crossword puzzle
Across
  1. Mass of one mole of a substance
  2. Tells what percent by mass of each element is present in a compound
  3. Actual number of atoms or moles of each element in a compound; determined if you know ratio and total mass of the molecule.
  4. A quantitative relationship or ratio between two or more substances
  5. Mass of one individual unit of a substance
  6. the Ratio of actual to theoretical yield
  7. Amount of product actually formed when a reaction is carried out in the laboratory.
Down
  1. ionic compound that contains water molecules in its structure
  2. Conversion factor that relates the amounts in moles of any two substances in a chemical reaction
  3. substance that remains after the water has been removed from a hydrate.
  4. Provides the simplest whole number ratio of atoms or moles of each element in a compound
  5. Maximum amount of product that could be formed from the given amounts of reactants.
  6. Gets consumed first in a chemical reaction; limits how much product can be formed
  7. Not completely used up when the reaction is finished

14 Clues: Mass of one mole of a substance • the Ratio of actual to theoretical yield • Mass of one individual unit of a substance • Not completely used up when the reaction is finished • ionic compound that contains water molecules in its structure • Tells what percent by mass of each element is present in a compound • ...

Exam 2 Crossword 2024-03-12

Exam 2 Crossword crossword puzzle
Across
  1. The enzyme that removes a phosphate group from GTP turning it back into GDP
  2. The energy of motion
  3. The breakdown of molecules into simpler units is what type of process?
  4. The pigment present in green plants that is required for photosynthesis
  5. Transverse channels in plant cells that allow for the facilitation of movement of molecules and allow for communication between cells
  6. The region of an enzyme that binds the substrate and allows for the chemical reaction to occur
  7. Step of the signaling pathway that is associated with a change, examples include, movement, cell division, or secretion
  8. The biochemical reaction that is associated with an absorption of energy, the products consist of a greater level of energy compared to the reactants
Down
  1. The step that allows for a protein kinase receptor to become activated
  2. The minimum amount of energy needed for a chemical reaction to occur
  3. Type of inhibitor that will bind to the allosteric site and change the shape of the active site so that the substrate will be unable to bind
  4. Type of cell signaling where the cell signals to itself and a ligand binds to the receptors on its own surface
  5. Speed up reactions by lowering the activation energy
  6. The loss of electrons in molecules during a chemical reaction
  7. Messenger that activates Protein Kinase A which will then activate transcription factors, allowing genes to become either on or off
  8. Organic compounds that are used by enzymes to allow for catalytic activity to occur, examples include NAD, Biotin, and ATP
  9. When electrons jump from ground state to excited state do they absorb or release energy?

17 Clues: The energy of motion • Speed up reactions by lowering the activation energy • The loss of electrons in molecules during a chemical reaction • The minimum amount of energy needed for a chemical reaction to occur • The step that allows for a protein kinase receptor to become activated • The breakdown of molecules into simpler units is what type of process? • ...

Types of Energy 2023-12-07

Types of Energy crossword puzzle
Across
  1. This has thermal and radiant energy and is used when we are cold
  2. We use turbines to turn this into mechanical energy which is then turned into electrical
  3. This gives us the ability to interact with sound energy
  4. Energy of movement
  5. Stored energy
  6. Energy of heat
  7. Energy from a chemical reaction
  8. Energy that you hear
  9. This subject has a lot of chemical energy due to chemical reactions
  10. the energy of light
Down
  1. The energy of gravity
  2. This blocks out radiant energy from the sun
  3. Energy cannot be destroyed or created, only...
  4. Energy that is stored using bonds
  5. These give us the ability to use energy specifically mechanical
  6. Energy in motion
  7. This object makes a lot of sound and through arrow dynamics defies gravitational energy
  8. Radioactive energy
  9. We use dams to turn this into electrical energy
  10. is the strength and vitality required for sustained physical or mental activity.

20 Clues: Stored energy • Energy of heat • Energy in motion • Energy of movement • Radioactive energy • the energy of light • Energy that you hear • The energy of gravity • Energy from a chemical reaction • Energy that is stored using bonds • This blocks out radiant energy from the sun • Energy cannot be destroyed or created, only... • We use dams to turn this into electrical energy • ...