chemical reaction Crossword Puzzles

Populations and Chemical Reactions 2023-05-09

Populations and Chemical Reactions crossword puzzle

Across

A characteristic or quality of a substance that can be observed or measured.
A simplified representation of a complex system used to explain or predict behavior.
All the living and non-living things in a specific area that interact with each other.
A group of organisms of the same species occupying a particular geographic area.
population The group of organisms that provide the resources for the consumer population.
The process of transformation or alteration of an ecosystem over time.
The substance(s) formed as a result of a chemical reaction.
population The group of organisms that consume other organisms for energy.
formula A representation of a chemical compound using symbols for its constituent elements.

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storage molecule The molecule responsible for storing energy in cells.
A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
point The temperature at which a substance changes from a solid to a liquid.
The ability of an ecosystem to maintain its balance despite changes.
The basic unit of matter composed of protons, neutrons, and electrons.
A small representative part of a larger whole, used to examine or analyze.
A substance that undergoes a chemical reaction.
To change the order or position of something.
point The temperature at which a substance changes from a liquid to a gas.

18 Clues: To change the order or position of something. • A substance that undergoes a chemical reaction. • The substance(s) formed as a result of a chemical reaction. • The ability of an ecosystem to maintain its balance despite changes. • storage molecule The molecule responsible for storing energy in cells. • ...

Culinary crossword puzzle 2020-10-09

Culinary crossword puzzle crossword puzzle

Across

can be transmitted by food
it comes from a cow
fish,crab and etc
a type of nuts
causing food to spoil
a type of nuts
use to make cakes
like bread

Down

food contaminated
40 and 140
pathogens
allergic foods
get a reaction from
a reaction to a food HazardAnalysisCriticalControlPoint HACCP

14 Clues: pathogens • 40 and 140 • like bread • allergic foods • a type of nuts • a type of nuts • food contaminated • fish,crab and etc • use to make cakes • get a reaction from • it comes from a cow • causing food to spoil • can be transmitted by food • a reaction to a food HazardAnalysisCriticalControlPoint HACCP

Homeostasis 2024-10-16

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DNA/RNA
energy needed to start a reaction
increase the rate of a reaction
used for enzymes
part of a nucleotide
what homeostasis means
part of a nucleotide
used for energy storage
outside layer of a cell

Down

used for energy
fight infections
another name for biomolecules
simple sugar
speeds up chemical reactions
part of a nucleotide

15 Clues: DNA/RNA • simple sugar • used for energy • fight infections • used for enzymes • part of a nucleotide • part of a nucleotide • part of a nucleotide • what homeostasis means • used for energy storage • outside layer of a cell • speeds up chemical reactions • another name for biomolecules • increase the rate of a reaction • energy needed to start a reaction

All Quiet on the Western Front 2022-03-14

All Quiet on the Western Front crossword puzzle

Across

stingy
best possibly condition
something out of the ordinary
chemical weapon
sudden or violent reaction
a chemical used for anesthesia
mining rock, often by use of explosives
place where a soldier is assigned to sleep
diaper
ghosts
slang for "foolishness"
an agreement to stop fighting
fabric covering for a bed

Down

picky, stuck up
to decay
sadness
falling apart
a muzzle-loaded weapon that fires shells
to renew
away without leave
group of artillery guns
finding out secret things

22 Clues: stingy • diaper • ghosts • sadness • to decay • to renew • falling apart • picky, stuck up • chemical weapon • away without leave • best possibly condition • group of artillery guns • slang for "foolishness" • finding out secret things • fabric covering for a bed • sudden or violent reaction • something out of the ordinary • an agreement to stop fighting • a chemical used for anesthesia • ...

Biomolecules 2024-05-03

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water breaks down something
increases rate of chemical reactions
nitrogen biological compounds
sugar molecules
group of organic compounds
plays a big role in cells
underlying substance
Proteins that speed of metabolism
very important
alters phosphate groups
enzyme that goes with a protein

Down

result of something
chemical compound in living things
building blocks of fat
bond together to form complex structures.
least amount of energy
found in living things
something that changes in a reaction
building blocks of protein
composed of repeating subunits.

20 Clues: very important • sugar molecules • result of something • underlying substance • building blocks of fat • least amount of energy • found in living things • alters phosphate groups • plays a big role in cells • group of organic compounds • building blocks of protein • water breaks down something • nitrogen biological compounds • composed of repeating subunits. • ...

Chapter 8 Review 2014-01-13

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two or more substances combines to form a single substance
each side of equation has the same number of atoms of each element
one element replaces a second element in a compound
are place in front of the symbols for respective parts
an equation that shows dissolved ionic compounds as their free ions
is a substance that speed up the reactions is not used up in the reactant
one metal will displace another metal from a compound can be determined by the relative reactant of two metals

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the equation that indicates only those particles that take part in the reaction
element or compound reacts with oxygen often producing energy as heat and light
symbolic representation of a chemical reaction using symbols of the element to reactant amount of substance
a single compound is broken down into two or products
what is applied to decomposition reactions in equation
an exchange of positive ions between to reacting compounds
is a chemical equation that does not indicate reality amount of reactant and produces involved in the reaction
ions that are not directly involved in a reaction

15 Clues: ions that are not directly involved in a reaction • one element replaces a second element in a compound • a single compound is broken down into two or products • what is applied to decomposition reactions in equation • are place in front of the symbols for respective parts • two or more substances combines to form a single substance • ...

kaenans review crossword 2023-05-16

kaenans review crossword crossword puzzle

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Tell us how many of each molecule participate in the reaction.
A combination reaction, also known as
Chemical bonds between atoms are formed or broken.

Down

One of the five basic types of chemical reactions
Substances produced at the end of the reaction
Substances that go into a chemical reaction
Equal on both sides

7 Clues: Equal on both sides • A combination reaction, also known as • Substances that go into a chemical reaction • Substances produced at the end of the reaction • One of the five basic types of chemical reactions • Chemical bonds between atoms are formed or broken. • Tell us how many of each molecule participate in the reaction.

Organic Chemistry 2023-02-27

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the process of making alcohol from sugar
the reaction of hydrogen with an alkene
an electronic rich species
combustion;where there is enough oxygen present
an unsaturated hydrocarbon
an organic molecule with an -OH functional group
the first step of a free radical substitution reaction
the chemical process used to purify alcohols

Down

an alcohol where the carbon with the -OH is bonded to one other carbon
a reaction in which a small group of atoms breaks away from a molecule
a reaction which eliminates water
the monomer unit in PVC
the polymer made from the monomer ethene
the repeating unit in a polymer
a hydrocarbon extracted from crude oil
the solid product formed from the incomplete combustion of an alkene
a renewable source of alcohols

17 Clues: the monomer unit in PVC • an electronic rich species • an unsaturated hydrocarbon • a renewable source of alcohols • the repeating unit in a polymer • a reaction which eliminates water • a hydrocarbon extracted from crude oil • the reaction of hydrogen with an alkene • the process of making alcohol from sugar • the polymer made from the monomer ethene • ...

11 - Y11 term 1 v2021-03-25 2021-03-25

11 - Y11 term 1 v2021-03-25 crossword puzzle

Across

A measure of the degree of hotness on a fixed scale.
How quickly a chemical is used up or produced.
A chemical equation that shows how positively charged ions join with negatively charged ions to make a compound.
A substance that reacts together with another substance to form products during a chemical reaction.
The sequence of reactions needed to produce a desired product from a particular set of raw materials.
A chemical equation written using the symbols and formulae of the reactants and products, so that the number of units of each element present is the same on both sides of the arrow.
In chemistry, a substance is in excess if there is more than enough of it to react with another reactant.

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A symbol used in chemical equations to show if a substance is a solid, a liquid, a gas, or an aqueous solution.
The average mass of all isotopes of an element
A substance that changes the rate of a chemical reaction without being changed by the reaction itself.

10 Clues: The average mass of all isotopes of an element • How quickly a chemical is used up or produced. • A measure of the degree of hotness on a fixed scale. • A substance that reacts together with another substance to form products during a chemical reaction. • The sequence of reactions needed to produce a desired product from a particular set of raw materials. • ...

Electrochemistry crossword 2012-06-17

Electrochemistry crossword crossword puzzle

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a disk in a tube connecting two different solutions in a galvanic cell that allows ion flow ithout extensive mixing of the solutions
a method in which an active metal, such as magnesium, is connected to steel to protect it from corrosion.
a process that involves forcing a current through a cell to cause a nonspontaneous chemical reaction to occur
the electrode in a galvanic cell at which oxidation occurs
a reactant that donates electrons to another substance to reduce the oxidation state of one of its atoms (electron donor)

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the study of the interchange of chemical and electrical energy
an increase in oxidation state(a loss of electron)
the two parts of an oxidation-reduction reaction, one representing oxidation, the other reduction
a reactant that accepts electrons from another reactant (electron acceptor)
the electrode in a galvanic cell at which reduction occurs
a U-tube containing an electrolyte that connects the two compartments of a galvanic cell, allowing ion flow without extensive mixing of the different solutions
a device in which chemical nergy from a spontaneous redox reaction is changed to electrical energy that can be used to do work
a decrease in oxidation state(a gain of electrons)

13 Clues: an increase in oxidation state(a loss of electron) • a decrease in oxidation state(a gain of electrons) • the electrode in a galvanic cell at which reduction occurs • the electrode in a galvanic cell at which oxidation occurs • the study of the interchange of chemical and electrical energy • ...

Unit 6B Vocabulary: Atoms 2017-04-06

Unit 6B Vocabulary: Atoms crossword puzzle

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the result of a chemical reaction.
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
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
occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. In general, are not reversible except by further chemical reactions.
a lasting attraction between atoms that enables the formation of chemical compounds.

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the symbolic representation of a chemical reaction in the form of symbols and formulas.
odorless, colorless, monatomic gases with very low chemical reactivity
An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms
a substance that takes part in and undergoes change during a reaction.
a group of elements in the periodic table. They are all in the first column of the periodic table. They are extremely reactive.

11 Clues: the result of a chemical reaction. • odorless, colorless, monatomic gases with very low chemical reactivity • a substance that takes part in and undergoes change during a reaction. • a lasting attraction between atoms that enables the formation of chemical compounds. • the symbolic representation of a chemical reaction in the form of symbols and formulas. • ...

Energetics 2022-08-15

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Heat absorbed by the system; ΔH is negative.
A system that can exchange energy and matter with the surroundings.
The relationship between average kinetic energy and temperature.
The heat needed to increase the temperature of an object by 1 Kelvin.
The cycle of routes in enthalpy changes in a chemical reaction.
The enthalpy change for any chemical reaction is independent of the route, provided the staring and final conditions, reactants, and products are the same. (hint: I've left out the apostrophe)
Enthalpy change for complete combustion of one mole of a substance in its standard state in excess oxygen under standard conditions.
Heat given out by the system; ΔH is positive.

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Energy associated with movement/motion.
The heat contents of a system.
Distribution of available energy among particles.
The energy needed to break one mole of a bond in a gaseous molecule averaged over similar compounds.
The heat needed to increase the unit mass of material by 1 Kelvin.
Enthalpy change when one mole of a substance is formed from its elements in their standard states.
An energy cycle based on Hess's Law.
A system that can exchange energy and matter with the surroundings.
Change in the amount of heat contents of a system.
Catalytic effects of CFCs and nitrogen oxides causing the depletion of a protective layer of the atmosphere
The process of measuring the amount of heat released/absorbed during a chemical reaction.

19 Clues: The heat contents of a system. • An energy cycle based on Hess's Law. • Energy associated with movement/motion. • Heat absorbed by the system; ΔH is negative. • Heat given out by the system; ΔH is positive. • Distribution of available energy among particles. • Change in the amount of heat contents of a system. • ...

Energetics 2022-08-15

Across

Heat absorbed by the system; ΔH is negative.
A system that can exchange energy and matter with the surroundings.
The relationship between average kinetic energy and temperature.
The heat needed to increase the temperature of an object by 1 Kelvin.
The cycle of routes in enthalpy changes in a chemical reaction.
The enthalpy change for any chemical reaction is independent of the route, provided the staring and final conditions, reactants, and products are the same. (hint: I've left out the apostrophe)
Enthalpy change for complete combustion of one mole of a substance in its standard state in excess oxygen under standard conditions.
Heat given out by the system; ΔH is positive.

Down

Energy associated with movement/motion.
The heat contents of a system.
Distribution of available energy among particles.
The energy needed to break one mole of a bond in a gaseous molecule averaged over similar compounds.
The heat needed to increase the unit mass of material by 1 Kelvin.
Enthalpy change when one mole of a substance is formed from its elements in their standard states.
An energy cycle based on Hess's Law.
A system that can exchange energy and matter with the surroundings.
Change in the amount of heat contents of a system.
Catalytic effects of CFCs and nitrogen oxides causing the depletion of a protective layer of the atmosphere
The process of measuring the amount of heat released/absorbed during a chemical reaction.

Foundations of Chemistry 2022-09-18

Foundations of Chemistry crossword puzzle

Across

Volume and Mass are examples of __________ properties of matter.
The amount of substance in a certain volume.
The newly formed substances during a chemical reaction are called.
A substance that consists of just one type of atom
a characteristic of matter that you can observe or measure. (2 words no spaces)
A _____________ mixture is a type of mixture in which individual substances are evenly mixed.
Anything that has mass and takes up space

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Melting point, boiling point, density, conductivity, and solubility is are examples of ___________ properties of matter.
A change in matter in which the substances that make up the matter change into other substances with new physical and chemical properties.
A change in size, shape, form, or state of matter is considered this type of change. (2 words no spaces)
Matter that can vary in composition.
The ability of one substance to dissolve in another.
A characteristic of matter that can be observed as it changes to a different type of matter. (2 words no spaces)
A ___________ mixture is a type of mixture in which the individual substances are not evenly mixed.
a type of substance containing atoms of two or more different elements chemically bonded together.
Elements and compounds are considered ______ substances.
The building block of matter.
These are the substances that are present before a reaction in a chemical reaction.

18 Clues: The building block of matter. • Matter that can vary in composition. • Anything that has mass and takes up space • The amount of substance in a certain volume. • A substance that consists of just one type of atom • The ability of one substance to dissolve in another. • Elements and compounds are considered ______ substances. • ...

Chemistry Review Fall 2021 2021-12-14

Chemistry Review Fall 2021 crossword puzzle

Across

Subatomic particle that can be transferred and gives objects their charge.
A reaction that releases energy to the environment.
Type of bond between a metal and a nonmetal.
The building block of all matter.
Subatomic particle that is neutral.
How chemical families are arranged.
Electrons in the outermost energy level.
Subatomic particle that tells you what element it is.

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Multiple atoms bonded together.
Type of energy required to start a reaction.
Charge a proton has.
Charge an electron has.
Substance that progresses a reaction without being used up itself.
If the number of protons and electrons in an atom are equal.
Type of bond between nonmetal and nonmetal.
A reaction that absorbs energy from the environment.

16 Clues: Charge a proton has. • Charge an electron has. • Multiple atoms bonded together. • The building block of all matter. • Subatomic particle that is neutral. • How chemical families are arranged. • Electrons in the outermost energy level. • Type of bond between nonmetal and nonmetal. • Type of energy required to start a reaction. • Type of bond between a metal and a nonmetal. • ...

Chemistry Review Fall 2021 2021-12-14

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Subatomic particle that can be transferred and gives objects their charge.
A reaction that releases energy to the environment.
Type of bond between a metal and a nonmetal.
The building block of all matter.
Subatomic particle that is neutral.
How chemical families are arranged.
Electrons in the outermost energy level.
Subatomic particle that tells you what element it is.

Down

Multiple atoms bonded together.
Type of energy required to start a reaction.
Charge a proton has.
Charge an electron has.
Substance that progresses a reaction without being used up itself.
If the number of protons and electrons in an atom are equal.
Type of bond between nonmetal and nonmetal.
A reaction that absorbs energy from the environment.

Chemistry Review Fall 2021 2021-12-14

Across

Subatomic particle that can be transferred and gives objects their charge.
A reaction that releases energy to the environment.
Type of bond between a metal and a nonmetal.
The building block of all matter.
Subatomic particle that is neutral.
How chemical families are arranged.
Electrons in the outermost energy level.
Subatomic particle that tells you what element it is.

Down

Multiple atoms bonded together.
Type of energy required to start a reaction.
Charge a proton has.
Charge an electron has.
Substance that progresses a reaction without being used up itself.
If the number of protons and electrons in an atom are equal.
Type of bond between nonmetal and nonmetal.
A reaction that absorbs energy from the environment.

Changes Around Us 2018-05-20

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The original substances present in a chemical reaction.
The change of the state of water is a ________change.
Most chemical changes are ____________.

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The new substances formed during or after the chemical reaction.
________ change where a new substance is formed.
Most physical changes are __________.
_______ take place around us all the time.
When substances are _____, it can result in a physical or chemical change.

8 Clues: Most physical changes are __________. • Most chemical changes are ____________. • _______ take place around us all the time. • ________ change where a new substance is formed. • The change of the state of water is a ________change. • The original substances present in a chemical reaction. • The new substances formed during or after the chemical reaction. • ...

chemical reactions/eq 2022-03-07

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when substances change phases
new substances with new properties are formed
process of atoms rearranging to form one or two new substances
ingredients in reaction located on the left side of arrow
matter cannot be destroyed nor created.

Down

burning of wood
description of a reaction using element symbols and chemical formulas.
end result of the chemical reaction located to the right of the arrow
absorb thermal energy
indicates how many atoms there are of a substance attached to the substance bottom right handside
release thermal energy
identifying properties of a substance remain and no new substance is formed.

12 Clues: burning of wood • absorb thermal energy • release thermal energy • when substances change phases • matter cannot be destroyed nor created. • new substances with new properties are formed • ingredients in reaction located on the left side of arrow • process of atoms rearranging to form one or two new substances • ...

Protein & enzymes 2026-03-10

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process where a protein unfolds and loses its higher-order structure due to heat or pH.
structure resulting from the association of multiple polypeptide subunits.
A chain of 20 or more amino acids.
Site, The unique region of an enzyme where the substrate binds.
Sheet, A back-and-forth secondary protein structure (beta-sheet).
A type of regulation where an activator or inhibitor binds to a site other than the active site.
that help proteins fold into their correct functional shapes.
specific reactant(s) that an enzyme acts upon.
reaction helper, such as an ion, required for enzyme activity.

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A type of inhibition where the end product of a pathway shuts down an earlier step.
cellular structure that acts as an enzyme to facilitate peptide bond formation.
type of inhibitor that blocks the active site directly.
Helix, A spiral-shaped secondary protein structure held together by hydrogen bonds.
level of protein structure referring specifically to the sequence of amino acids.
speed up a chemical reaction in a timely manner using an enzyme.
Acid, The monomer unit of proteins; there are 20 unique types.
Energy, Often written as EA, this is the energy required to start a chemical reaction.
Bond, The covalent bond formed between two amino acids during polymerization.
An organic reaction helper, such as NAD+

19 Clues: A chain of 20 or more amino acids. • An organic reaction helper, such as NAD+ • specific reactant(s) that an enzyme acts upon. • type of inhibitor that blocks the active site directly. • that help proteins fold into their correct functional shapes. • Acid, The monomer unit of proteins; there are 20 unique types. • ...

Protein & enzymes 2026-03-10

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The unique region of an enzyme where the substrate binds.
A chain of 20 or more amino acids.
A spiral-shaped secondary protein structure held together by hydrogen bonds.
The cellular structure that acts as an enzyme to facilitate peptide bond formation.
An organic reaction helper, such as NAD+
The monomer unit of proteins; there are 20 unique types.
The covalent bond formed between two amino acids during polymerization.

Down

Often written as EA, this is the energy required to start a chemical reaction.
The level of protein structure referring specifically to the sequence of amino acids.
The specific reactant(s) that an enzyme acts upon.
A type of inhibitor that blocks the active site directly.
To speed up a chemical reaction in a timely manner using an enzyme.
The process where a protein unfolds and loses its higher-order structure due to heat or pH.
Protein structure resulting from the association of multiple polypeptide subunits.
A back-and-forth secondary protein structure (beta-sheet).
A type of regulation where an activator or inhibitor binds to a site other than the active site.
A type of inhibition where the end product of a pathway shuts down an earlier step.
A reaction helper, such as an ion, required for enzyme activity.
Molecules that help proteins fold into their correct functional shapes.

19 Clues: A chain of 20 or more amino acids. • An organic reaction helper, such as NAD+ • The specific reactant(s) that an enzyme acts upon. • The monomer unit of proteins; there are 20 unique types. • The unique region of an enzyme where the substrate binds. • A type of inhibitor that blocks the active site directly. • ...

chem 4.1 2021-10-14

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The law of ____ of mass states that in any chemical reaction, the mass of the products is always equal to the mass of the reactants.
A substance that undergoes a chemical reaction is called?
A substance that is formed in a chemical reaction is called?

Down

This lists the chemical formula of each reactant on the left, separated by a + sign if more than one reactant is involved, followed by an arrow.
The numbers that are placed in fornt of chemical formulas are called?
A balanced __ equation reflects the law of conservations of mass.
What identifies the reactants and products of a chemical reaction?

7 Clues: A substance that undergoes a chemical reaction is called? • A substance that is formed in a chemical reaction is called? • A balanced __ equation reflects the law of conservations of mass. • What identifies the reactants and products of a chemical reaction? • The numbers that are placed in fornt of chemical formulas are called? • ...

Life's Processes Vocabulary Work 2025-03-05

Life's Processes Vocabulary Work crossword puzzle

Across

process that plants use to extract energy from ATP
the chemicals after the chemical reaction
the idea that matter cannot be created or destroyed, only changed
the ability to do somthing

Down

rearrangement of molecular structure
the process that plants use to create food
sugar that plants use
when something changes, but without chemical rearrangement
the chemicals before the chemical reaction

9 Clues: sugar that plants use • the ability to do somthing • rearrangement of molecular structure • the chemicals after the chemical reaction • the process that plants use to create food • the chemicals before the chemical reaction • process that plants use to extract energy from ATP • when something changes, but without chemical rearrangement • ...

STANDARD 7 2021-08-02

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the subatomic particles that take part in a chemical reaction.
a pure substance that cannot be broken into any simpler form.
the gas evolved during a reaction.
number the number of protons present in an atom
the abbreviation for the name of an element.

Down

number- the number of protons and neutrons of an atom.
the combining capacity of an element with other elements.
the subatoic particle with negligible mass.
the substances formed during a chemical reaction.
a charged atom.

10 Clues: a charged atom. • the gas evolved during a reaction. • the subatoic particle with negligible mass. • the abbreviation for the name of an element. • number the number of protons present in an atom • the substances formed during a chemical reaction. • number- the number of protons and neutrons of an atom. • the combining capacity of an element with other elements. • ...

chem 4.1 2021-10-14

Across

The law of ____ of mass states that in any chemical reaction, the mass of the products is always equal to the mass of the reactants.
A substance that undergoes a chemical reaction is called?
A substance that is formed in a chemical reaction is called?

Down

This lists the chemical formula of each reactant on the left, separated by a + sign if more than one reactant is involved, followed by an arrow.
The numbers that are placed in fornt of chemical formulas are called?
A balanced __ equation reflects the law of conservations of mass.
What identifies the reactants and products of a chemical reaction?

mias crossword 2023-03-10

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-energy that helps gives animals, plants energy
-molecules that perform cellular respiration that has energy do things
-mushrooms, fungi, worms
-chemical reaction that happens inside mitochondria and gives the cells energy
-organisms that rely on other things to eat (animals, plants, humans)

Down

-molecules containing carbon, hydrogen, and oxygen atoms
-a substance you start with before a chemical reaction
-organisms that can make their own food
-when food molecules go into small openings in the small intestine
-a new substance thats made from a new reaction

10 Clues: -mushrooms, fungi, worms • -organisms that can make their own food • -energy that helps gives animals, plants energy • -a new substance thats made from a new reaction • -a substance you start with before a chemical reaction • -molecules containing carbon, hydrogen, and oxygen atoms • -when food molecules go into small openings in the small intestine • ...

photosynthesis 2025-10-22

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what makes plants green and allows plants to absorb sunlight
tissue in plants that carry sugar
organelles only found in plants where photosynthesis takes place
what is needed for a reaction to take place
tissue in plants that carry water and nutrients
sugar or carbohydrates in plants

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allows carbon dioxide to enter the plant through the leaves
substance that is formed in a chemical reaction
a chemical reaction that allows plants to make food from sunlight
what plants exhale

10 Clues: what plants exhale • sugar or carbohydrates in plants • tissue in plants that carry sugar • what is needed for a reaction to take place • substance that is formed in a chemical reaction • tissue in plants that carry water and nutrients • allows carbon dioxide to enter the plant through the leaves • what makes plants green and allows plants to absorb sunlight • ...

IPC B vocab 2020-02-28

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horizontal row of the periodic table.
is a substance made by combining two or more different materials in such a way that no chemical reaction occurs.
a particle with a positive charge that is in the nucleus of an atom.
an element that doesn't have the characteristics of metal.
a substance formed when two or more chemical elements are chemically bonded together.
is the tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.
a chemical element with properties intermediate between those of typical metals and nonmetals.
the number of protons in the nucleus of an atom.
is a homogeneous mixture of two or more substances.
a subatomic particle found in the nucleus of every atom except that of simple hydrogen.
___ gas.
shape and volume are relatively stable.
in other words, electromotive force.

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refers to the way in which atoms bond with each other.
is a substance that is made entirely from one type of atom.
Any material that keeps energy such as electricity, heat, or cold from easily transferring through is an ___________.
the smallest component of an element.
a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.
measures the water's ability to conduct electricity.
also called a molecular bond.
Electrons are the smallest of the particles that make up an atom, and they carry a negative charge.
is the mass of a single atom of a chemical element.
likely to loose their electron unlike non metal properties.
is a vertical column in the Periodic Table.
a flow of electrical charge carriers, usually electrons or electron-deficient atoms.

25 Clues: ___ gas. • also called a molecular bond. • in other words, electromotive force. • horizontal row of the periodic table. • the smallest component of an element. • shape and volume are relatively stable. • is a vertical column in the Periodic Table. • the number of protons in the nucleus of an atom. • is the mass of a single atom of a chemical element. • ...

Genetics 2025-01-28

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The green pigment in chloroplasts that captures sunlight for photosynthesis.
A gas released during photosynthesis and required for cellular respiration.
An organism that obtains energy by consuming other organisms.
The organelle in cells where cellular respiration takes place, producing ATP.
A simple sugar (C6H12O6) that serves as the primary energy source for cellular activities.
Respiration The process by which cells break down glucose and oxygen to produce energy (ATP), carbon dioxide, and water.
The process by which plants, algae, and some bacteria convert light energy, water, and carbon dioxide into glucose and oxygen.
Respiration A type of cellular respiration that does not require oxygen, resulting in less energy production.
Energy Energy from the sun, which is converted into chemical energy during photosynthesis.
Dioxide A gas used by plants during photosynthesis and produced as a waste product during cellular respiration.
The sum of all chemical reactions in an organism, including energy conversion processes.

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Tiny openings on the surface of leaves that allow gas exchange (CO2 in, O2 out).
The substances (e.g., glucose and oxygen) formed during a chemical reaction like photosynthesis.
The organelle in plant cells where photosynthesis occurs.
An organism that can produce its own food through photosynthesis.
Respiration A type of cellular respiration that requires oxygen to produce energy.
The substances (e.g., carbon dioxide and water) used in a chemical reaction like photosynthesis.
(Adenosine Triphosphate) The molecule that stores and provides energy for cellular processes.
Energy Energy stored in the bonds of molecules like glucose.
Conversion The process of changing one form of energy (e.g., light energy) into another form (e.g., chemical energy).

20 Clues: The organelle in plant cells where photosynthesis occurs. • Energy Energy stored in the bonds of molecules like glucose. • An organism that obtains energy by consuming other organisms. • An organism that can produce its own food through photosynthesis. • A gas released during photosynthesis and required for cellular respiration. • ...

essential vocabulary-unit 6 2022-11-18

essential vocabulary-unit 6 crossword puzzle

Across

energy from heat
change in which one or more substances combine or break apart to form new substances.
chemical "messengers" of the endocrine system that are released into the blood
a type of protein that speeds up a chemical reaction in a living thing
muscle contraction inside the esophagus that moves food through the digestive tract

Down

potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances
a sugar that's the major source of energy for the body's cells broken down from carbohydrates;a simple sugar that is an important source of energy
to eject the contents of the stomach; regurgitate
change in size, shape, or state of matter where identity of the substance remains the same.
organism's response, characterized by a rise in temperature & disturbance of various body functions
to maintain internal stability

11 Clues: energy from heat • to maintain internal stability • to eject the contents of the stomach; regurgitate • a type of protein that speeds up a chemical reaction in a living thing • chemical "messengers" of the endocrine system that are released into the blood • muscle contraction inside the esophagus that moves food through the digestive tract • ...

Chemistry 2021-09-02

Across

- represents a compound; represented by symbols and subscripts
- may increase or decrease during a chemical change (hot or cold)
- pure substance; combines 2 or more elements and is represented by a chemical formula
- a pure substance that cannot be broken down into another substance
- bubbles produced during a chemical reaction
- anything that has mass and takes up space

Down

- represents the name of an element; written with a capital letter and sometimes a lower case letter
- # after chemical symbol in a formula; tells you the number of atoms present for each element in a formula
- the smallest particle of an element
- a solid substance that appears during a chemical reaction

10 Clues: - the smallest particle of an element • - anything that has mass and takes up space • - bubbles produced during a chemical reaction • - a solid substance that appears during a chemical reaction • - represents a compound; represented by symbols and subscripts • - may increase or decrease during a chemical change (hot or cold) • ...

Organic Compounds: The Chemistry of Living Things 2014-09-17

Organic Compounds: The Chemistry of Living Things crossword puzzle

Across

a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
solid inorganic substance of natural occurrence
when two or more atoms bind together
derived from living matter; containging carbon
incapable of being dissolved
the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
natural oily or greasy substance occurring in animal bodies
the chemical breakdown of a compound due to reaction with water.
It is a polysaccharide consisting of chains of glucose monomers.
a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
each of two or more compounds with the same formula but a different arrangement of atoms in the molecule and different properties
a compound consisting of two or more amino acids linked in a chain

Down

a region on an enzyme that binds to a protein or other substance during a reaction.
a formula giving the number of atoms of each of the elements present in one molecule of a specific compound
containing two or more elements
a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose
a compound of hydrogen and carbon
a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
a simple organic compound containing both a carboxyl and an amino group.
a compound of the sterol type found in most body tissues
a simple sugar that is an important energy source in living organisms and is a component of many carbohydrates
repels water
substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction
holding as much water or moisture as can be absorbed

25 Clues: repels water • incapable of being dissolved • containing two or more elements • a compound of hydrogen and carbon • when two or more atoms bind together • derived from living matter; containging carbon • solid inorganic substance of natural occurrence • holding as much water or moisture as can be absorbed • a compound of the sterol type found in most body tissues • ...

CROSSWORD PUZZLE 2020-10-07

Across

if the concentration of the reactants is greater then the rate of the reaction is also greater
the percent ratio of actual yield to the theoretical yield
naturally occurring catalysts responsible for many essential biochemical reactions
measure of hotness or coldness expressed in terms of any of several arbitrary scales and indicating the direction in which heat energy will spontaneously flow
states that for reactants to transform into products there should be effective collision among the reactant particles.
substance that slows down the reaction rate.
substance to be deposited in solid form from a solution.
reactant in a chemical reaction that limits the amount of product that can be formed.

Down

the end result of the reaction and are written on the right side of the equation and considered as the new substance
minimum energy that the reactants must surpass in order for that reaction can proceed.
reactants to products
starting materials and are written on the left side of the equation and considered as the original substance.
the means by which a solid interacts with its surroundings, be it gas, liquid, or other solids.
the change in the rate of a chemical reaction due to the participation of a catalyst

14 Clues: reactants to products • substance that slows down the reaction rate. • substance to be deposited in solid form from a solution. • the percent ratio of actual yield to the theoretical yield • naturally occurring catalysts responsible for many essential biochemical reactions • the change in the rate of a chemical reaction due to the participation of a catalyst • ...

2.4 Chemical Reactions and Enzymes Vocab 2022-11-20

2.4 Chemical Reactions and Enzymes Vocab crossword puzzle

Across

reactant of an enzyme-catalyzed reaction
process that transforms one set of chemicals into another set of chemicals
protein catalyst that speeds up the rate of specific biological reactions

Down

energy that is needed to get a reaction started
elements or compounds produced by a chemical reaction
substance that speeds up the rate of a chemical reaction
elements or compounds that enter into a chemical reaction

7 Clues: reactant of an enzyme-catalyzed reaction • energy that is needed to get a reaction started • elements or compounds produced by a chemical reaction • substance that speeds up the rate of a chemical reaction • elements or compounds that enter into a chemical reaction • protein catalyst that speeds up the rate of specific biological reactions • ...

Chemical Reactions & Enzymes 2024-08-26

Chemical Reactions & Enzymes crossword puzzle

Across

Process that changes, or transforms, one set of chemicals into another set of chemicals

Down

Energy input that is needed for a reaction to begin
Substances that speeds up the rate of a chemical reaction
Reactant of an enzyme-catalyzed reaction
Elements or compounds that enter into a chemical reaction
Elements or compounds produced by chemical reaction
Protein catalyst that speeds up the rate of specific biological reactions

7 Clues: Reactant of an enzyme-catalyzed reaction • Energy input that is needed for a reaction to begin • Elements or compounds produced by chemical reaction • Substances that speeds up the rate of a chemical reaction • Elements or compounds that enter into a chemical reaction • Protein catalyst that speeds up the rate of specific biological reactions • ...

Thermo 2023-05-04

Across

form of energy that is transferred between systems or objects with different temperatures
the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise
used to measure amounts of heat transferred to or from a substance
the quantity of heat necessary to change 1 g of a solid to a liquid with no temperature change
heat energy
energy which a body possesses by virtue of being in motion.
unit of work or energy in the International System of Units
the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reaction
the heat required to raise the temperature of the unit mass of a given substance by a given amount
a substance that is present at the end of a chemical reaction
Energy released in the form of particle or electromagnetic waves

Down

the heat absorbed per unit mass of a given material at its boiling point that completely converts the material to a gas at the same temperature
(of a reaction or process) accompanied by or requiring the absorption of heat.
a substance that takes part in and undergoes change during a reaction.
of a reaction or process) accompanied by the release of heat.
the amount of energy needed to warm 1 g of H2O by 1°C
the standard unit of temperature in the metric system of units
the Standard International ( SI ) unit of thermodynamic temperature.
the process by which heat or electricity is directly transmitted through a substance

19 Clues: heat energy • the amount of energy needed to warm 1 g of H2O by 1°C • energy which a body possesses by virtue of being in motion. • unit of work or energy in the International System of Units • of a reaction or process) accompanied by the release of heat. • a substance that is present at the end of a chemical reaction • ...

Science Vocab 2023-12-12

Across

a chemical reaction in which the reactants absorb heat energy from the surroundings to form products which lowers temperatures
to disintegrate, break down or disperse (in liquids)
a substance that can neutralize acid by reacting with hydrogen ions
a chemical reaction that involves the release of energy in the form of heat or light

Down

the property of a liquid that describes how fast or slow a liquid will move, how thick a liquid is
a substance made by mixing things together
a substance that takes part in and undergoes change in a chemical reaction
a simple substance that can't be reduced to smaller chemical parts
a fundamental principle that states matter cannot be created or destroyed in an isolated system
a substance that is both corrosive and reactive capable of donating protons

10 Clues: a substance made by mixing things together • to disintegrate, break down or disperse (in liquids) • a simple substance that can't be reduced to smaller chemical parts • a substance that can neutralize acid by reacting with hydrogen ions • a substance that takes part in and undergoes change in a chemical reaction • ...

Biomolecules 2024-05-03

Across

water breaks down something
increases rate of chemical reactions
nitrogen biological compounds
sugar molecules
group of organic compounds
plays a big role in cells
underlying substance
Proteins that speed of metabolism
very important
alters phosphate groups
enzyme that goes with a protein

Down

result of something
chemical compound in living things
building blocks of fat
bond together to form complex structures.
least amount of energy
found in living things
something that changes in a reaction
building blocks of protein
composed of repeating subunits.

Enzyme Crossword Puzzle 2021-10-20

Enzyme Crossword Puzzle crossword puzzle

Across

a specific ___________ and pH
creation of larger molecules from smaller monomers where a water molecule is released
enzymes end in ___
graph goes down
Enzymes only bind to ________
Enzymes work best
speeds up reactions
result of the an enzyme building something
the substance or substances acted upon during a reaction

Down

graph goes up
type of macromolecule that enzymes are
enzymes _____ the activation energy of a reaction
a region on an enzyme that binds to a protein or other substance during a reaction
the chemical breakdown of a compound due to reaction with water
A complex composed of a substrate bound to the active site of the enzyme
Enzymes can _____ or break down

16 Clues: graph goes up • graph goes down • Enzymes work best • enzymes end in ___ • speeds up reactions • a specific ___________ and pH • Enzymes only bind to ________ • Enzymes can _____ or break down • type of macromolecule that enzymes are • result of the an enzyme building something • enzymes _____ the activation energy of a reaction • ...

Enzyme Crossword Puzzle 2021-10-20

Across

a specific ___________ and pH
creation of larger molecules from smaller monomers where a water molecule is released
enzymes end in ___
graph goes down
Enzymes only bind to ________
Enzymes work best
speeds up reactions
result of the an enzyme building something
the substance or substances acted upon during a reaction

Down

graph goes up
type of macromolecule that enzymes are
enzymes _____ the activation energy of a reaction
a region on an enzyme that binds to a protein or other substance during a reaction
the chemical breakdown of a compound due to reaction with water
A complex composed of a substrate bound to the active site of the enzyme
Enzymes can _____ or break down

Chemistry Fall Review Crossword 2021 2021-12-14

Chemistry Fall Review Crossword 2021 crossword puzzle

Across

Subatomic particle that can be transferred and gives objects their charge.
A reaction that releases energy to the environment.
Type of bond between a metal and a nonmetal.
The building block of all matter.
Subatomic particle that is neutral.
How chemical families are arranged.
Electrons in the outermost energy level.
Subatomic particle that tells you what element it is.

Down

Multiple atoms bonded together.
Type of energy required to start a reaction.
Charge a proton has.
Charge an electron has.
Substance that progresses a reaction without being used up itself.
If the number of protons and electrons in an atom are equal.
Type of bond between nonmetal and nonmetal.
A reaction that absorbs energy from the environment.

Biomolecules 2024-05-03

Across

water breaks down something
increases rate of chemical reactions
nitrogen biological compounds
sugar molecules
group of organic compounds
plays a big role in cells
underlying substance
Proteins that speed of metabolism
very important
alters phosphate groups
enzyme that goes with a protein

Down

result of something
chemical compound in living things
building blocks of fat
bond together to form complex structures.
least amount of energy
found in living things
something that changes in a reaction
building blocks of protein
composed of repeating subunits.

CHEMISTRY GRADE 6 2021-04-03

Across

two or more substances that are mixed together but are not chemmically bonded
happens when one chemical substance is transformed into one or more different substances, such as when iron becomes rust.
mass per unit volume
Are made of protons, neutrons, electrons
substance in which two or more different elements are chemically bonded together
the starting materials in a reaction

Down

the substances produced in the reaction
the number of protons and neutrons together in the nucleus of an atom
the number of electrons surrounding the nucleus of an atom
an expression of a chemical reaction
a process in which the structure of atoms or molecules that make up a substance are changed
a substance composed of a single kind of atom
shows all known elements in the Universe
an abbreviation of the element name

14 Clues: mass per unit volume • an abbreviation of the element name • an expression of a chemical reaction • the starting materials in a reaction • the substances produced in the reaction • shows all known elements in the Universe • Are made of protons, neutrons, electrons • a substance composed of a single kind of atom • the number of electrons surrounding the nucleus of an atom • ...

CHM 101 Ch 6 2024-12-12

Across

Reaction that forms a single product.
In this type of reaction one of the reactants is elemental (diatomic) oxygen.
Cations switch places in two reactant compounds.
Indicates that the substance is dissolved in water.
We use the smallest whole number ____________ to show the ratios between the AMOUNTS (not masses) of reactants and products involved in the reaction.
Reaction in which an "aggressive" reactant element displaces a cation or H atom in a reactant compound to form two product: a new compound and a new element (2 words).

Down

Reaction that goes from relatively strong bonds in the reactant(s) to weaker bonds in the product(s).
The chemical formulas of elements and compounds are always ____________.
Chemical equations must be balanced, following the law of ...(3 words).
Reaction that begins with a single reactant.

10 Clues: Reaction that forms a single product. • Reaction that begins with a single reactant. • Cations switch places in two reactant compounds. • Indicates that the substance is dissolved in water. • Chemical equations must be balanced, following the law of ...(3 words). • The chemical formulas of elements and compounds are always ____________. • ...

2.2.3 Activity - Thermochemistry Crossword 2015-04-14

2.2.3 Activity - Thermochemistry Crossword crossword puzzle

Across

absorbing energy
measure of the kinetic energy of the particles
the transfer of kinetic energy between objects of different temperatures
"energy waiting to happen" It is stored and has the potential to do work
the heat content of a system (the total energy of a system)
releasing energy
"energy of motion" To make something move requires a force
everything else in the universe

Down

the part of the universe we are focusing on
the amount of heat released or absorbed when a chemical reaction occurs at constant pressure (H products - H reactants)
the study of heat changes that occur during chemical reactions
was a Swiss-born Russian chemist and doctor who formulated the law states that the total enthalpy change during the complete course of a chemical reaction is the same whether the reaction is made in one step or in several steps.

12 Clues: absorbing energy • releasing energy • everything else in the universe • the part of the universe we are focusing on • measure of the kinetic energy of the particles • "energy of motion" To make something move requires a force • the heat content of a system (the total energy of a system) • the study of heat changes that occur during chemical reactions • ...

Protein & enzymes 2026-03-10

Across

A chain of 20 or more amino acids.
The monomer unit of proteins; there are 20 unique types.
The cellular structure that acts as an enzyme to facilitate peptide bond formation.
A spiral-shaped secondary protein structure held together by hydrogen bonds.
The level of protein structure referring specifically to the sequence of amino acids.
The covalent bond formed between two amino acids during polymerization.
A type of regulation where an activator or inhibitor binds to a site other than the active site.
An organic reaction helper, such as NAD+
The process where a protein unfolds and loses its higher-order structure due to heat or pH.
Protein structure resulting from the association of multiple polypeptide subunits.

Down

To speed up a chemical reaction in a timely manner using an enzyme.
A back-and-forth secondary protein structure (beta-sheet).
A reaction helper, such as an ion, required for enzyme activity.
The unique region of an enzyme where the substrate binds.
Often written as EA, this is the energy required to start a chemical reaction.
Molecules that help proteins fold into their correct functional shapes.
A type of inhibitor that blocks the active site directly.
The specific reactant(s) that an enzyme acts upon.
A type of inhibition where the end product of a pathway shuts down an earlier step.

Protein & enzymes 2026-03-10

Across

A spiral-shaped secondary protein structure held together by hydrogen bonds.
A reaction helper, such as an ion, required for enzyme activity.
To speed up a chemical reaction in a timely manner using an enzyme.
The monomer unit of proteins; there are 20 unique types.
A type of inhibition where the end product of a pathway shuts down an earlier step.
Molecules that help proteins fold into their correct functional shapes.
The covalent bond formed between two amino acids during polymerization.
Often written as EA, this is the energy required to start a chemical reaction.
The level of protein structure referring specifically to the sequence of amino acids.
An organic reaction helper, such as NAD+

Down

A chain of 20 or more amino acids.
The unique region of an enzyme where the substrate binds.
A type of inhibitor that blocks the active site directly.
A back-and-forth secondary protein structure (beta-sheet).
A type of regulation where an activator or inhibitor binds to a site other than the active site.
The process where a protein unfolds and loses its higher-order structure due to heat or pH.
The cellular structure that acts as an enzyme to facilitate peptide bond formation.
Protein structure resulting from the association of multiple polypeptide subunits.
The specific reactant(s) that an enzyme acts upon.

IPC B vocab 2020-02-28

Across

horizontal row of the periodic table.
is a substance made by combining two or more different materials in such a way that no chemical reaction occurs.
a particle with a positive charge that is in the nucleus of an atom.
an element that doesn't have the characteristics of metal.
a substance formed when two or more chemical elements are chemically bonded together.
is the tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.
a chemical element with properties intermediate between those of typical metals and nonmetals.
the number of protons in the nucleus of an atom.
is a homogeneous mixture of two or more substances.
a subatomic particle found in the nucleus of every atom except that of simple hydrogen.
___ gas.
shape and volume are relatively stable.
in other words, electromotive force.

Down

refers to the way in which atoms bond with each other.
is a substance that is made entirely from one type of atom.
Any material that keeps energy such as electricity, heat, or cold from easily transferring through is an ___________.
the smallest component of an element.
a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.
measures the water's ability to conduct electricity.
also called a molecular bond.
Electrons are the smallest of the particles that make up an atom, and they carry a negative charge.
is the mass of a single atom of a chemical element.
likely to loose their electron unlike non metal properties.
is a vertical column in the Periodic Table.
a flow of electrical charge carriers, usually electrons or electron-deficient atoms.

IPC B vocab 2020-02-28

Across

horizontal row of the periodic table.
is a substance made by combining two or more different materials in such a way that no chemical reaction occurs.
a particle with a positive charge that is in the nucleus of an atom.
an element that doesn't have the characteristics of metal.
a substance formed when two or more chemical elements are chemically bonded together.
is the tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.
a chemical element with properties intermediate between those of typical metals and nonmetals.
the number of protons in the nucleus of an atom.
is a homogeneous mixture of two or more substances.
a subatomic particle found in the nucleus of every atom except that of simple hydrogen.
___ gas.
shape and volume are relatively stable.
in other words, electromotive force.

Down

refers to the way in which atoms bond with each other.
is a substance that is made entirely from one type of atom.
Any material that keeps energy such as electricity, heat, or cold from easily transferring through is an ___________.
the smallest component of an element.
a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent.
measures the water's ability to conduct electricity.
also called a molecular bond.
Electrons are the smallest of the particles that make up an atom, and they carry a negative charge.
is the mass of a single atom of a chemical element.
likely to loose their electron unlike non metal properties.
is a vertical column in the Periodic Table.
a flow of electrical charge carriers, usually electrons or electron-deficient atoms.

Chem CrossWord! by: Mekayla York 2014-02-26

Chem CrossWord! by: Mekayla York crossword puzzle

Across

chemistry/ the chemistry of carbon compounds (other than simple salts such as carbonates, oxides, and carbides).
A vertical column in a periodic table
An element that is a poor conductor of electricity and does not form positive ions in a solution
A substance or molecule that participates in a chemical reaction
Has a definite volume, but no definite shape
branch of chemistry that deals with the chemical action of electricity and the production of electricity by chemical reactions
science/ the sciences involved in the study of the physical world and its phenomena
Of State/ Liquid, solid, gas
Property/ A Property that doesn't depend on pressure, temperature, or density.
An element that is shiny and a good conductor of electricity
The amount of matter
Study of matter and how it changes
Anything that takes up space
Change/ A change of matter from one form to another without chemical Change (solid, liquid, gas)

Down

organic Chemistry/ Study of non organics
Made of two or more atoms
A horizontal row in a periodic table
A state of change starting from a gas then ionizing
mass/number of mass
An element that has properties of both a metal and nonmetal
Smallest particle
Study of the properties and changes of matter
Study of substances
Made up of atoms of one type
Reaction/ The process by which one or more substances change to produce one or more substances
Any substance that has a defined composition
Has no definite volume or shape
Has a definite volume and definite shape
Property/ A property that depends on size.

29 Clues: Smallest particle • mass/number of mass • Study of substances • The amount of matter • Made of two or more atoms • Made up of atoms of one type • Of State/ Liquid, solid, gas • Anything that takes up space • Has no definite volume or shape • Study of matter and how it changes • A horizontal row in a periodic table • A vertical column in a periodic table • ...

Matter & Energy in Ecosystems 2026-01-25

Matter & Energy in Ecosystems crossword puzzle

Across

The ability to make things move or change
The process by which plants and other producers use energy from sunlight to change carbon dioxide and water into oxygen and glucose (an energy storage molecule)
Matter that makes up the nonliving parts of an ecosystem, such as air, water, and rocks
A starting substance that is part of a chemical reaction
Something that is required for a process
A molecule made of carbon and oxygen atoms
A group of atoms joined together in a particular way
A type of atom (tiny piece) that makes up molecules such as carbon dioxide and energy storage molecules
An organism that can make its own energy storage molecules
The chemical reaction between oxygen and glucose that releases energy into cells

Down

An ending substance that is made during a chemical reaction
A molecule that organisms can use to release the energy they need to survive
All the living and nonliving things interacting in a particular area
Matter that makes up the living and dead organisms in an ecosystem
An organism that gets energy storage molecules (such as glucose) by breaking down dead matter
An organism that needs to eat in order to get energy storage molecules (such as starch and fat)
Something that results from a process
A closed ecosystem made by humans

18 Clues: A closed ecosystem made by humans • Something that results from a process • Something that is required for a process • The ability to make things move or change • A molecule made of carbon and oxygen atoms • A group of atoms joined together in a particular way • A starting substance that is part of a chemical reaction • ...

crossword 3 2026-02-25

Across

group 17 elements
gain electrons
the corrosion of iron
a fine solid that is formed by a chemical reaction involving liquids or gases
salt with water of crystallisation
complete dissociation
the reaction that acid reacts with base to form salt and water
a substance that reduces another substance and is itself oxidised

Down

a term represented by roman numeral in word formula
salt without water of crystallisation
a substance can react with both acids and bases
the ease of atoms to lose or gain electrons
A reaction in which a more reactive element will displace a less reactive element from its compound
partial dissociation
group 1 elements
a mixture of two or more metals
lose electrons
proton acceptor
proton donor
soluble base

20 Clues: proton donor • soluble base • gain electrons • lose electrons • proton acceptor • group 1 elements • group 17 elements • partial dissociation • the corrosion of iron • complete dissociation • a mixture of two or more metals • salt with water of crystallisation • salt without water of crystallisation • the ease of atoms to lose or gain electrons • ...

Digestion 2021-03-16

Across

this is a substance that speeds up a chemical reaction
fatty acids and glycerol are the digested forms of this food
being able to be dissolved in water
this type of digestion involves breaking up food into smaller pieces
this is the substance at the start of a reaction
this is an enzyme that breaks down carbohydrates

Down

amino acids are the digested form of this food group
this type of digestion occurs in the small intestines
this is the substance formed at the end of a reaction
the process of breaking down food into simple units
digested form of carbohydrates

11 Clues: digested form of carbohydrates • being able to be dissolved in water • this is the substance at the start of a reaction • this is an enzyme that breaks down carbohydrates • the process of breaking down food into simple units • amino acids are the digested form of this food group • this type of digestion occurs in the small intestines • ...

Protein & enzymes 2026-03-10

Across

structure resulting from the association of multiple polypeptide subunits.
level of protein structure referring specifically to the sequence of amino acids.
Bond, The covalent bond formed between two amino acids during polymerization.
that help proteins fold into their correct functional shapes.
A type of inhibition where the end product of a pathway shuts down an earlier step.
specific reactant(s) that an enzyme acts upon.
Site, The unique region of an enzyme where the substrate binds.
type of inhibitor that blocks the active site directly.
A type of regulation where an activator or inhibitor binds to a site other than the active site.
A chain of 20 or more amino acids.

Down

Energy, Often written as EA, this is the energy required to start a chemical reaction.
reaction helper, such as an ion, required for enzyme activity.
cellular structure that acts as an enzyme to facilitate peptide bond formation.
Helix, A spiral-shaped secondary protein structure held together by hydrogen bonds.
Sheet, A back-and-forth secondary protein structure (beta-sheet).
process where a protein unfolds and loses its higher-order structure due to heat or pH.
speed up a chemical reaction in a timely manner using an enzyme.
An organic reaction helper, such as NAD+
Acid, The monomer unit of proteins; there are 20 unique types.

19 Clues: A chain of 20 or more amino acids. • An organic reaction helper, such as NAD+ • specific reactant(s) that an enzyme acts upon. • type of inhibitor that blocks the active site directly. • that help proteins fold into their correct functional shapes. • reaction helper, such as an ion, required for enzyme activity. • ...

Reactions keywords 2026-02-09

Across

a base that is soluble in water. It has a pH above 7.
a reaction where energy is given out, usually as heat
when an acid and alkali react together producing a salt and water

Down

the reaction of a fuel with oxygen that transfers thermal energy to the surroundings. Scientific name for burning.
a reaction when a more reactive metal will displace a less reactive metal from its compound
a substance made in a chemical reaction.
a reaction where energy is taken in, usually as heat.
a starting substance in a chemical reaction.
a substance that will neutralise a base. It has a pH lower than 7.

9 Clues: a substance made in a chemical reaction. • a starting substance in a chemical reaction. • a reaction where energy is taken in, usually as heat. • a base that is soluble in water. It has a pH above 7. • a reaction where energy is given out, usually as heat • when an acid and alkali react together producing a salt and water • ...

Enzyme Crossword Puzzle 2021-10-20

Across

a specific ___________ and pH
creation of larger molecules from smaller monomers where a water molecule is released
enzymes end in ___
graph goes down
Enzymes only bind to ________
Enzymes work best
speeds up reactions
result of the an enzyme building something
the substance or substances acted upon during a reaction

Down

graph goes up
type of macromolecule that enzymes are
enzymes _____ the activation energy of a reaction
a region on an enzyme that binds to a protein or other substance during a reaction
the chemical breakdown of a compound due to reaction with water
A complex composed of a substrate bound to the active site of the enzyme
Enzymes can _____ or break down

Chemistry Review Fall 2021 2021-12-14

Across

Subatomic particle that can be transferred and gives objects their charge.
A reaction that releases energy to the environment.
Type of bond between a metal and a nonmetal.
The building block of all matter.
Subatomic particle that is neutral.
How chemical families are arranged.
Electrons in the outermost energy level.
Subatomic particle that tells you what element it is.

Down

Multiple atoms bonded together.
Type of energy required to start a reaction.
Charge a proton has.
Charge an electron has.
Substance that progresses a reaction without being used up itself.
If the number of protons and electrons in an atom are equal.
Type of bond between nonmetal and nonmetal.
A reaction that absorbs energy from the environment.

Chemistry Midterm Review 2025-12-11

Chemistry Midterm Review crossword puzzle

Across

the compounds of the right side of a chemical reaction
the electrons found on the outermost shell
the compounds on the left side of a chemical reaction
the type of bond formed between two nonmetals
One of the units attached the Avogadro's number
prefix used to describe 7 in a covalent compound

Down

Scientist who's gold foil experiment gave him evidence that the nucleus was positively charged and small
the type of bond formed between a metal and a nonmetal
a chemical equation is said to be this when it has the same number of each atom on both sides of a reaction
an atom will have the same proton and electron number when it is...?
the number of valence electrons in group 15 on the periodic table
a type of covalent bond that leads to the unequal sharing of electrons

12 Clues: the electrons found on the outermost shell • the type of bond formed between two nonmetals • One of the units attached the Avogadro's number • prefix used to describe 7 in a covalent compound • the compounds on the left side of a chemical reaction • the type of bond formed between a metal and a nonmetal • the compounds of the right side of a chemical reaction • ...

STAAR VOCABULARY CATEGORY 4 Biological Processes and Systems 2019-03-08

STAAR VOCABULARY CATEGORY 4 Biological Processes and Systems crossword puzzle

Across

protein used to decrease energy required for chemical reaction
top portion of pistil; sticky to capture pollen
stalk portion of stamen used to support the anther
body system that send messages within the body through the use of hormones
vascular tissue in plants which moves food
body system that breaks down food into nutrients and then absorbs them into the circulatory system
energy transfer reaction changing light energy into chemical energy of glucose
male part of flower; divided into anther and filament
elements and compounds on the left side of chemical equations
body system that transports chemicals throughout the body including oxygen, carbon dioxide and hormones
body system which helps fight infection;
long tube portion of pistil; forms pollen tubes

Down

body system that provides protection and keeps the body from drying out
body system which removes liquid wastes; major organs include the kidneys
energy transfer changing big chemical energy of glucose into smaller chemical energy of ATP
female part of the flower; divided into the style, stigma, and ovary
body system which exchange gases with the environment; major organs are lungs
vascular tissue in plants which moves water
body system that provides support, a point of attachment for muscles, storage of minerals and production of red and white blood cells
top portion of stamen; contains pollen
body system that allows an organism to reproduce
body system that allows for movement
body system that sends and receives messages through electrical impulses
bottom part of pistil; contains eggs used to form seeds
elements and compounds on the right side of the chemical equation

25 Clues: body system that allows for movement • top portion of stamen; contains pollen • body system which helps fight infection; • vascular tissue in plants which moves food • vascular tissue in plants which moves water • top portion of pistil; sticky to capture pollen • long tube portion of pistil; forms pollen tubes • body system that allows an organism to reproduce • ...

Plants 2022-02-07

Across

moves sugars back down the plant to the roots
The green pigment inside of plants that can absorb sunlight
A chemical reaction by plants that combines carbon dioxide and water to make glucose and oxygen
"Ingredients" in a chemical reaction

Down

What you get after a chemical reaction
A product of photosynthesis used to make ATP in plant cells
Contains chlorophyll and photosynthesizes glucose for the plant
Moves water throughout the plant from the roots
They use glucose and oxygen to make carbon dioxide water and ATP the cell can use as energy

9 Clues: "Ingredients" in a chemical reaction • What you get after a chemical reaction • moves sugars back down the plant to the roots • Moves water throughout the plant from the roots • A product of photosynthesis used to make ATP in plant cells • The green pigment inside of plants that can absorb sunlight • Contains chlorophyll and photosynthesizes glucose for the plant • ...

Biology Bonus Mark Activity 2014-08-24

Biology Bonus Mark Activity crossword puzzle

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reaction in which a water molecules is needed to break up a complex molecule into smaller molecules.
inorganic molecules made up of the elements carbon, hydrogen and oxygen. The hydrogen and oxygen atoms are present in the ratio 2:1.
process by which amino groups are removed from amino acids and converted to urea.
substance which can altar or speed up a chemical reaction, without itself being chemical changed at the end of the reaction.
suction force due to transpiration
the change in the three-dimensional structure of an enzyme or any other soluble protein, caused by heat or chemicals such as acid or alkalies
a group of cells with similar structures which work together to perform a specific function.
the process by which a cell becomes specialized for a specific function.
the net movement of particles(ions or molecules) from a region where they are of higher concentration to a region where they are of lower concentration, that is, down a concentration gradient.
proteins that function as biological catalysts. they can alter of speed up chemical reaction. they remains chemically unchanged at the end of the reaction.
loss of water vapour from a plant, mainly through the stomata of the leaves.

Down

process whereby digested food substances are absorbed into the body cells.
process whereby large food molecules are broken down into smaller, soluble molecules that can be absorbed into the body cells.
the rhythmic, wave-like muscular contractions in the wall of the alimentary canal.
the difference in concentration between two regions.
used to directly measure the rate of absorption of water by the plant.
inner walls of xylem vessels are strengthened by deposits of a substance
net movement of water molecules from a solution of higher water potential to a solution of lower water potential, through a partially permeable membrane.
process of engulfing or ingesting foreign particles such as bacteria, by the white blood cells.
organic molecules made up of the elements carbon, hydrogen and nitrogen. Another element, sulfur, may also be present.

20 Clues: suction force due to transpiration • the difference in concentration between two regions. • used to directly measure the rate of absorption of water by the plant. • inner walls of xylem vessels are strengthened by deposits of a substance • the process by which a cell becomes specialized for a specific function. • ...

Permanent Waving 2021-02-25

Across

long chains of amino acids joined together by peptide bonds
outer layer of hair shaft, scale-like
weak curl pattern
heats up waving lotion chemically
one end paper folded over like an envelope
wrapped vertically instead of horizontally
smaller diameter in the center that increases to a larger diameter on the ends
stops the chemical action
active ingredient in acid perm
curly at root and loose at ends; frizzy

Down

checks the chemical reaction of the hair
chemical change happens here
heats up waving lotion by an outside source
curling from ends to scalp
strong chemical bond that are broken during a permanent wave
rods equal in diameter along entire length
innermost part of hair shaft
active ingredient in an alkaline perm
COHNS

19 Clues: COHNS • weak curl pattern • stops the chemical action • curling from ends to scalp • chemical change happens here • innermost part of hair shaft • active ingredient in acid perm • heats up waving lotion chemically • outer layer of hair shaft, scale-like • active ingredient in an alkaline perm • curly at root and loose at ends; frizzy • checks the chemical reaction of the hair • ...

Energy Changes 2022-06-24

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What a thermometer measures
the energy required to get a reaction started
Example of an exothermic reaction

Down

Ingredients that go into a reaction
The unit of energy
Can speed up a reaction or require less energy
Reaction transfers energy to the surroundings
Reaction that transfer energy from surroundings
The makimong or breaking of a chemical reaction

9 Clues: The unit of energy • What a thermometer measures • Example of an exothermic reaction • Ingredients that go into a reaction • Reaction transfers energy to the surroundings • the energy required to get a reaction started • Can speed up a reaction or require less energy • Reaction that transfer energy from surroundings • The makimong or breaking of a chemical reaction

Chapter 3 term Piotr Łyczywek 2021-02-02

Chapter 3 term Piotr Łyczywek crossword puzzle

Across

type of polysaccharide that is used by animals cells
type of chemical compounds, mainly fats
an enzyme which breaks down proteins and peptides.
components of proteins, proteins are made of them
building material needed for cells (???)
elements that provides energy for cells, eg fats, sugars
Starch is a type of carbohydrate. Its molecules are made up of large numbers of carbon, hydrogen and oxygen atoms
substance that increase the speed/power of reaction
a chemical reaction that is used to detect most sugars. the reaction changes the color of the solution

Down

simplest type of sugar, has only small moleculeus
are made of many simple sugars, eg. monosaccharides
a pancreatic enzyme that catalyzes the breakdown of fats to fatty acids and glycerol or other alcohols.
combination effect between the two monosaccharide
proteins that function as a biological catalysts

14 Clues: type of chemical compounds, mainly fats • building material needed for cells (???) • proteins that function as a biological catalysts • simplest type of sugar, has only small moleculeus • components of proteins, proteins are made of them • combination effect between the two monosaccharide • an enzyme which breaks down proteins and peptides. • ...

Physical and Chemical Change Crossword 2025-05-08

Physical and Chemical Change Crossword crossword puzzle

Across

pH greater than 7
when a reaction occurs and a new substance is created
the point at which a solid turns to a liquid
a solute breaks down into a solution
a solid that forms from a chemical reaction
pH less than 7
liquid turning to a gas
solids are removed from a mixture
how much mass is in an object

Down

characteristics of a substance relating to their physical attributes
the point at which a liquid turns to a gas
a homogeneous mixture
the changing of a solid directly to a liquid
separating a mixture made of solids
characteristics of a substance relating to their chemical makeup
ex. an object changing from liquid to solid

16 Clues: pH less than 7 • pH greater than 7 • a homogeneous mixture • liquid turning to a gas • how much mass is in an object • solids are removed from a mixture • separating a mixture made of solids • a solute breaks down into a solution • the point at which a liquid turns to a gas • ex. an object changing from liquid to solid • a solid that forms from a chemical reaction • ...

Enzymes 2023-10-01

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Energy needed to start a chemical reaction.
The place where an enzyme and substrate react.
The name of the enzyme that breaks down sugar in milk
A substance that speeds up a chemical reaction.
Element or compounds formed by reactions.
A substance that acts like a catalyst and lowers activation energy.

Down

Elements or compounds that enter in to a reaction.
Enzymes look like what video game character.
Process that changes or transforms one set of chemicals into another.
In the lock and key method, this represents the enzyme.
When an enzyme is exposed to unideal conditions it will stop working
what is the acidity or alkalinity of a solution called?
The perfect temperature and pH for an enzyme is called...
In the lock and key method, this represents the substrate.

14 Clues: Element or compounds formed by reactions. • Energy needed to start a chemical reaction. • Enzymes look like what video game character. • The place where an enzyme and substrate react. • A substance that speeds up a chemical reaction. • Elements or compounds that enter in to a reaction. • The name of the enzyme that breaks down sugar in milk • ...

Photosynthesis & Respiration 2016-10-04

Photosynthesis & Respiration crossword puzzle

Across

requires food from other sources
oxidation-reduction reaction
attachment PO4 group to a molecule
sugar splitting
where light is captured on chloroplast membranes
also Krebs cycle
surface pores of leaf surface
movement of Hs across membrane and making ATP
a quantum of energy
special element in chlorophyll
respiration with oxygen
chemical burning of glucose
makes own food

Down

organelle where cellular respiration occurs
3 carbon molecule made by glycolysis
green tissue in interior of leaf
makes sugar from sunlight
organelle containing chlorophyll
called a waste product of photosynthesis
6 carbon sugar oxidized in respiration
dark-reaction in chloroplast stroma
stacks of membranes in a chloroplast
respiration in the absence of oxygen
main product of cellular respiration

24 Clues: makes own food • sugar splitting • also Krebs cycle • a quantum of energy • respiration with oxygen • makes sugar from sunlight • chemical burning of glucose • oxidation-reduction reaction • surface pores of leaf surface • special element in chlorophyll • green tissue in interior of leaf • requires food from other sources • organelle containing chlorophyll • ...

Chemistry 2nd Semester Review Crossword Name:____________________ 2017-05-18

Chemistry 2nd Semester Review Crossword Name:____________________ crossword puzzle

Across

[kPa]metric units for pressure
another term used for basic
ability to let electricity flow
absolute zero temperature scale
a solution with maximum solute dissolved
using reaction equations to predict products
reversible reactions with double arrow
the H3O+ ion found in acid
changing from liquid to gas
substance that dissolves in a solution
a chemical that helps speed up a reaction

Down

a reaction that absorbs heat
what molarity measures for a solution
tool to measure atmospheric pressure
gas spreads out evenly over time
a common indicator of acid or base
amount = 6x10 to 23rd power
heat of ___ needed to melt a solid
water rises up a narrow tube, ___ action
uneven sharing of electrons, like a water molecule

20 Clues: the H3O+ ion found in acid • another term used for basic • amount = 6x10 to 23rd power • changing from liquid to gas • a reaction that absorbs heat • [kPa]metric units for pressure • ability to let electricity flow • absolute zero temperature scale • gas spreads out evenly over time • a common indicator of acid or base • heat of ___ needed to melt a solid • ...

FPI Crossword 2023-04-11

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Sounds like he snores selfishly!
Pub for the Spanish spirit
Admirer can only look at starters
Bankrupt? Surgery for horse
Vaporiser destroyed fabler
Strongman primarily went bang head first, ozone no one swallowed
Harry starts again for great reaction
Avid reader horribly forsook by nag once
You and I left unfit for digital token
Unironed for best reaction
Chemical element with Henry shortly - knock out showrunner?
Strangely allow member

Down

Housekeeper with a gathering place
Silver Tim sent back for opener
Femme Fatale makes time in busy cage containing off veal
Go out south east, lad
Drank in one after attractive cockney greeting heard describing #20
French rice, unhealthy for proprietor
Decent reaction lost on lads initially
Chinese fellow toasting badly

20 Clues: Go out south east, lad • Strangely allow member • Pub for the Spanish spirit • Vaporiser destroyed fabler • Unironed for best reaction • Bankrupt? Surgery for horse • Chinese fellow toasting badly • Silver Tim sent back for opener • Sounds like he snores selfishly! • Admirer can only look at starters • Housekeeper with a gathering place • French rice, unhealthy for proprietor • ...

Crossword Puzzle 2025-09-03

Across

change – Change of matter state
– Mix and disappear
– Catches fire easily
– Smallest particle of element
reaction – Substances change into new
– Mass per unit volume
process – Change makes new substance
– Can mix with liquid

Down

– Pure matter: element or compound
– Can mix with liquid
– Characteristic of a substance
– Two substances together
– Used in a reaction
– Thickness of a liquid
– Does not mix with water
– Atoms joined together

16 Clues: – Mix and disappear • – Used in a reaction • – Can mix with liquid • – Catches fire easily • – Can mix with liquid • – Mass per unit volume • – Thickness of a liquid • – Atoms joined together • – Two substances together • – Does not mix with water • – Smallest particle of element • change – Change of matter state • – Characteristic of a substance • – Pure matter: element or compound • ...

Chemistry crossword 2023-08-31

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involves atoms combining to form chemical compounds and bring stability to the resulting product.
a process that happens when two molecules interact to form a new substance.
two or more atoms connected by chemical bonds
the scientist trained in the study of chemistry
a place where all experiments take place
the loss of electrons during a reaction by a molecule, atom or ion.

Down

the basic building blocks of chemistry
chemical element with the atomic number of 5
the sum of both the work done and the heat generated or lost.
a substance with a defined composition
Chemical element with the symbol H
official chemical symbol is au
official chemical symbol is Br
chemical element with the atomic number f 8

14 Clues: official chemical symbol is au • official chemical symbol is Br • Chemical element with the symbol H • the basic building blocks of chemistry • a substance with a defined composition • a place where all experiments take place • chemical element with the atomic number f 8 • chemical element with the atomic number of 5 • two or more atoms connected by chemical bonds • ...

chemical engineering 2021-01-23

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A process in which a substance reacts with oxygen to give
is a process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid.
s a graph in non-dimensional form that relates the Darcy-Weisbach friction factor fD, Reynolds number Re, and surface roughness for fully developed flow in a circular pipe
also known as clotting, is the process by which blood changes from a liquid to a gel, forming a blood clot.
and light
Substance dissolved in water
Changes something from a solid to a liquid
Are neither created nor destroyed in a normal chemical
This course aims to provide blend of engineering and management skills to deal and manage with the incidents resulting from hazardous chemicals and other energy sources.
a dimensionless number which clarifies flow regime
is a mixture of two or more liquids that are normally immiscible owing to liquid-liquid phase separation.
number is the ratio of convective to conductive heat transfer across a boundary.

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is a common laboratory method of quantitative chemical analysis to determine the concentration of an identified analyte.
Substance formed by the union of two or more elements of the periodic table
diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment.
humidity chart or ....... chart
Moles of a Compound that you have in a chemical equation
Substances that you start the chemical reaction with
Speeds up a chemical reaction without being used up
Capacity to carry out a work
A garden across from Shiraz University
Net positive suction head

22 Clues: and light • Net positive suction head • Capacity to carry out a work • Substance dissolved in water • humidity chart or ....... chart • A garden across from Shiraz University • Changes something from a solid to a liquid • a dimensionless number which clarifies flow regime • Speeds up a chemical reaction without being used up • ...

Properties of Matter 2025-10-09

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changing between solid, liquid and gas is called _______ changes
made of only one kind of atom
liquid to gas that happens throughout the substance
Mixture that looks the same throughout
Means a substance can be hammered or shaped.
Shiny
measure of the average kinetic energy
expands to fill the container
removing energy to change a liquid to a solid
Physical properties can be observed __________ changing the substance
another clue to a chemical reaction is the production of a _____________
when a gas cools to form a liquid
Chemical properties can only be observed by trying to ______ a substance
solvent in salt water
A change in _______ is an other chemical change involving smell.
Fourth phase of matter found in the sun
solid changing straight to a gas
Ability to pull into a wire
Substance that gets dissolved
liquid changing to a gas

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changing from liquid to gas only at the surface
Blend of several substance
means breaks easily
has a fixed volume and shape
Substance that does the dissolving
One clue to a chemical reaction is the production of a ____
gas changing straight to a solid
rusting metal is an example of a __________ change
has mass and takes up space
solute in salt water
adding energy to a solid changing it to a liquid
Mixture with visibly different parts
cutting wood is an example of a ___________ change
whether a substance will burn or not
Chemical combination of 2 or more elements
Homogenous mixture where one substance dissolves into another
has a fixed volume but not shape

37 Clues: Shiny • means breaks easily • solute in salt water • solvent in salt water • liquid changing to a gas • Blend of several substance • has mass and takes up space • Ability to pull into a wire • has a fixed volume and shape • made of only one kind of atom • expands to fill the container • Substance that gets dissolved • gas changing straight to a solid • has a fixed volume but not shape • ...

hhug 2023-02-10

Across

can be used to identify substances from each other
when heated or aged chemical properties have the ability to
one of the chemical properties
a type of chemical change
a type of chemical change
can be referred to as tangible
opposite of boiling point
the feel appearance, or consistency of something
Humans have five of them
fizzing, foaming or bubbling
something that has mass and occupies space
excess moisture, such as rain

Down

changing phase of matter
the ability to move heat or electricity
opposite of melting point
detected by the senses or identified without chemical reaction
how quickly a specific material is capable on catching fire and burn
also known as rust
how much mass there is in a particular space

19 Clues: also known as rust • changing phase of matter • Humans have five of them • opposite of melting point • a type of chemical change • a type of chemical change • opposite of boiling point • fizzing, foaming or bubbling • excess moisture, such as rain • one of the chemical properties • can be referred to as tangible • the ability to move heat or electricity • ...

Obtaining Energy 2024-01-12

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What reacts in a chemical reaction
The chemical formula for carbon dioxide
What filled up the balloon in the lab
What was inflated during the lab
The product of _______ respiration is carbon dioxide
Light energy is needed for this
Glass container used in labs/experiments
Where does cellular respiration occur in the cell

Down

These organisms use photosynthesis to get their energy
Where does photosynthesis occur in the cell
A product of photosynthesis
What was used to contain the reaction in our experiment
Another name for H2O
A bacteria that undergoes cellular respiration
What did the yeast use for cellular respiration during the lab
What is transferred from reactants to products
_________ energy was transferred during the lab
In the air we breathe and a product of photosynthesis

18 Clues: Another name for H2O • A product of photosynthesis • Light energy is needed for this • What was inflated during the lab • What reacts in a chemical reaction • What filled up the balloon in the lab • The chemical formula for carbon dioxide • Glass container used in labs/experiments • Where does photosynthesis occur in the cell • A bacteria that undergoes cellular respiration • ...

Chapter 13(kristiana) Science 2019-09-30

Chapter 13(kristiana) Science crossword puzzle

Across

energy is the amount of energy required to pull two bonded atoms apart.
energy is also called Bond Energy
reaction there is a release of energy.
appears as a result of a chemical reaction.

Down

→Products
reaction is a net of absorption of energy.
reactions one or more compounds are formed.
of mass conservation: No atoms are gained or lost during any reaction.
of times atoms appear before the atom must equal to the number of times atoms appear after the arrow.

9 Clues: →Products • energy is also called Bond Energy • reaction there is a release of energy. • reaction is a net of absorption of energy. • reactions one or more compounds are formed. • appears as a result of a chemical reaction. • of mass conservation: No atoms are gained or lost during any reaction. • energy is the amount of energy required to pull two bonded atoms apart. • ...

reaction vocab 2021-10-18

Across

The finished creation from a chem equation.
a reaction where one substance breakes into more than one.
Two ionic compunds combined can produce liquid or gas.
In chemistry, chemical synthesis is the artificial execution of useful chemical reactions to obtain one or several products.
A reaction that requires heat to procced.
A multiplier or factor of an equation.

Down

chem reaction in which one element replaces a compound.
The things that make up a chem equation.
A reaction where heat is primarily given off.

9 Clues: A multiplier or factor of an equation. • The things that make up a chem equation. • A reaction that requires heat to procced. • The finished creation from a chem equation. • A reaction where heat is primarily given off. • Two ionic compunds combined can produce liquid or gas. • chem reaction in which one element replaces a compound. • ...

Perm Theory 2020-04-17

Across

heat is absorbed from surroundings
bond broken by perm solution
first heat permanent waving machine
permanently changes the texture of hair
most important phase of perming
type of perm producing soft, wavy, loose curled texture
method of perm wrapping created in 1926
oxidizing agent in chemical phase
used in heatless perming technique instead of electricity
suitable hair length for heat permanent waving machine

Down

generates own heat through chemical reaction
thioglycolic derivative contained in acid waves
another name for croquignole method
reducing agent in chemical phase
how hair should be wrapped around perm rods
second major phase in perms
first major phase in perms

17 Clues: first major phase in perms • second major phase in perms • bond broken by perm solution • most important phase of perming • reducing agent in chemical phase • oxidizing agent in chemical phase • heat is absorbed from surroundings • another name for croquignole method • first heat permanent waving machine • permanently changes the texture of hair • ...

Mitchell's Chemistry Crossword 2013-04-30

Mitchell's Chemistry Crossword crossword puzzle

Across

Oxygen, Heat & Fuel belong to the...
78% of the air
A gas that emit from motor vehicles-starts with C
A chemical reaction that gives off heat
If salt is dissolved in warm water it is a ...?-starts with M

Down

What is the element with symbol of O?
Two different kinds of atoms joined together
A way to stop rusting-starts with G
Electrically charged particle
Metal corrosion is another word for...-starts with R
Form like a blanket in a blanket in the atmoshere
What is the smallest particle in an element
A chemical reaction thats makes surroundings colder
As,Br & I are what?
Another word for burning-starts with C
Carbon Dioxide is a ...?-Starts with C

16 Clues: 78% of the air • As,Br & I are what? • Electrically charged particle • A way to stop rusting-starts with G • Oxygen, Heat & Fuel belong to the... • What is the element with symbol of O? • Another word for burning-starts with C • Carbon Dioxide is a ...?-Starts with C • A chemical reaction that gives off heat • What is the smallest particle in an element • ...

2.2.3 Activity - Thermochemistry Crossword 2015-04-14

Across

"energy waiting to happen" It is stored and has the potential to do work
the amount of heat released or absorbed when a chemical reaction occurs at constant pressure (H products - H reactants)
the transfer of kinetic energy between objects of different temperatures
measure of the kinetic energy of the particles
everything else in the universe
the part of the universe we are focusing on
"energy of motion" To make something move requires a force

Down

was a Swiss-born Russian chemist and doctor who formulated the law states that the total enthalpy change during the complete course of a chemical reaction is the same whether the reaction is made in one step or in several steps.
the heat content of a system (the total energy of a system)
the study of heat changes that occur during chemical reactions
releasing energy
absorbing energy

12 Clues: releasing energy • absorbing energy • everything else in the universe • the part of the universe we are focusing on • measure of the kinetic energy of the particles • "energy of motion" To make something move requires a force • the heat content of a system (the total energy of a system) • the study of heat changes that occur during chemical reactions • ...

Thermochemistry 2025-12-02

Across

A reaction that loses energy (heat) to the surroundings in order to form the products (will feel hot)
explain a subset of chemical reactions
every atom as having a formation enthalpy of 0
studying at the moment

Down

field of chemistry that measures the heat exchanged during chemical reactions
quantity that is different for each type of molecule that represents the energy required to heat 1 gram of that substance by 1 degree Celcius
defined as everything in the universe
describes how energy and its motion, and determines what will and will not happen
Energy that is contained by an object, that is essentially random
Energy that is used to move an object in a specific direction
reaction that gains energy (heat) from the surroundings in order to form the products (will feel cold)
how much heat(random energy) is exchanged during a chemical reaction

12 Clues: studying at the moment • defined as everything in the universe • explain a subset of chemical reactions • every atom as having a formation enthalpy of 0 • Energy that is used to move an object in a specific direction • Energy that is contained by an object, that is essentially random • how much heat(random energy) is exchanged during a chemical reaction • ...

Physical Science 7.3 and 7.4 Vocab 2021-06-01

Physical Science 7.3 and 7.4 Vocab crossword puzzle

Across

A reaction in which one element or radical takes the place of another element or radical in a compound
A reaction in which a single compound breaks down to form two or more simpler substances
The reactant in reactions catalyzed by enzymes
A state of balance in which the rate of the forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged
A substance that changes the rate of a chemical reaction without being consumed or changed significantly
A molecule, either protein or RNA, that acts as a catalyst in biochemical reactions

Down

The oxidation reaction of an organic compound, in which heat is released
A reaction in which two or more substances combine to form a new compound
A reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds
Any chemical change in which one species is oxidized and another species is reduced
An atom or group of atoms that has one unpaired electron

11 Clues: The reactant in reactions catalyzed by enzymes • An atom or group of atoms that has one unpaired electron • The oxidation reaction of an organic compound, in which heat is released • A reaction in which two or more substances combine to form a new compound • Any chemical change in which one species is oxidized and another species is reduced • ...

2.2.3 Thermochemistry Crossword 2015-04-14

2.2.3 Thermochemistry Crossword crossword puzzle

Across

measure of the kinetic energy of the particles
the part of the universe we are focusing on
releasing energy
the transfer of kinetic energy between objects of different temperatures
the amount of heat released or absorbed when a chemical reaction occurs at constant pressure (H products - H reactants)
"energy waiting to happen" It is stored and has the potential to do work
absorbing energy
everything else in the universe

Down

"energy of motion" To make something move requires a force
the heat content of a system (the total energy of a system)
the study of heat changes that occur during chemical reactions
was a Swiss-born Russian chemist and doctor who formulated the law states that the total enthalpy change during the complete course of a chemical reaction is the same whether the reaction is made in one step or in several steps.

2.2.3 Activity - Thermochemistry Crossword 2015-04-14

Across

absorbing energy
"energy of motion" To make something move requires a force
the study of heat changes that occur during chemical reactions
measure of the kinetic energy of the particles
was a Swiss-born Russian chemist and doctor who formulated the law states that the total enthalpy change during the complete course of a chemical reaction is the same whether the reaction is made in one step or in several steps.

Down

"energy waiting to happen" It is stored and has the potential to do work
the heat content of a system (the total energy of a system)
everything else in the universe
the amount of heat released or absorbed when a chemical reaction occurs at constant pressure (H products - H reactants)
releasing energy
the part of the universe we are focusing on
the transfer of kinetic energy between objects of different temperatures

Chemistry 2nd Semester Review Crossword Name:____________________ 2017-05-18

Across

water rises up a narrow tube, ___ action
ability to let electricity flow
changing from liquid to gas
a chemical that helps speed up a reaction
using reaction equations to predict products
absolute zero temperature scale
heat of ___ needed to melt a solid
amount = 6x10 to 23rd power
the H3O+ ion found in acid

Down

tool to measure atmospheric pressure
gas spreads out evenly over time
another term used for basic
what molarity measures for a solution
a reaction that absorbs heat
a solution with maximum solute dissolved
[kPa]metric units for pressure
a common indicator of acid or base
reversible reactions with double arrow
substance that dissolves in a solution
uneven sharing of electrons, like a water molecule

20 Clues: the H3O+ ion found in acid • another term used for basic • changing from liquid to gas • amount = 6x10 to 23rd power • a reaction that absorbs heat • [kPa]metric units for pressure • ability to let electricity flow • absolute zero temperature scale • gas spreads out evenly over time • a common indicator of acid or base • heat of ___ needed to melt a solid • ...

Science 2025-05-14

Across

used to measure waves of an earthquake
atoms of different elements come together to form ___
produce red and white blood cells
a measure of how well material conducts electricity
in the food chain, grass is a _______
system that controls voluntary body movement
plants release H20 into the atmosphere
attach bones to other bones
common chemical reaction in plants
Force = ______ x acceleration

Down

a bond between atoms that shares electrons
bacteria, fungi, and worms are considered
natural satellite
water goes from solid straight to gas
mountains form due to ________ of tectonic plates
type of reaction that forms H2O and CO2
creates proteins for the cell
speeds up rate of reaction
single-cell organism with no nucleus
North Star

20 Clues: North Star • natural satellite • speeds up rate of reaction • attach bones to other bones • creates proteins for the cell • Force = ______ x acceleration • produce red and white blood cells • common chemical reaction in plants • single-cell organism with no nucleus • water goes from solid straight to gas • in the food chain, grass is a _______ • ...

Photosynthesis and Cellular Respiration Review 2023-04-26

Photosynthesis and Cellular Respiration Review crossword puzzle

Across

A chemical reaction that kelp use to make their own food
What does the C in C6H12O6 stand for?
A chemical reaction that kelp use to create energy from their food
The energy needed to power photosynthesis comes from the ____

Down

The main output of photosynthesis, needed for cellular respiration
What does H2O stand for?
On the right side of the --> in a chemical reaction (left or right)
A gas produced in photosynthesis, and needed for cellular respiration
What do the atoms do in order to create the energy? (starts with an r)

9 Clues: What does H2O stand for? • What does the C in C6H12O6 stand for? • A chemical reaction that kelp use to make their own food • The energy needed to power photosynthesis comes from the ____ • The main output of photosynthesis, needed for cellular respiration • A chemical reaction that kelp use to create energy from their food • ...

Plants 2022-02-07

Across

moves sugars back down the plant to the roots
The green pigment inside of plants that can absorb sunlight
A chemical reaction by plants that combines carbon dioxide and water to make glucose and oxygen
"Ingredients" in a chemical reaction

Down

What you get after a chemical reaction
A product of photosynthesis used to make ATP in plant cells
Contains chlorophyll and photosynthesizes glucose for the plant
Moves water throughout the plant from the roots
They use glucose and oxygen to make carbon dioxide water and ATP the cell can use as energy

Unit 4 Vocabulary 2023-01-21

Across

the force that hold protons and neutrons together in the nucleus
the ratio of a sample made in an experiment and the amount of sample that could be made
the compound(s) on the left side of a chemical reaction
the amount of a sample that could be produced if everything were to perform perfectly
the reactant that does not run out and is in a surplus
the radioactive process in which an atom loses 2 protons and 2 neutrons

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the reactant that runs out first and restricts the amount of product
the compound(s) on the right side of a chemical reaction
energy that comes from a source
the whole number used to balance a chemical reaction
the radioactive process in which an atom releases a gamma ray to become stable
the amount of time that it takes for half of a radioactive sample to decay
the radioactive process in which an atom turns an neutron into a proton and loses a electron

13 Clues: energy that comes from a source • the whole number used to balance a chemical reaction • the reactant that does not run out and is in a surplus • the compound(s) on the left side of a chemical reaction • the compound(s) on the right side of a chemical reaction • the force that hold protons and neutrons together in the nucleus • ...

Chem 2021-12-08

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the number of atoms or molecules in one mole of a substance, equal to 6.023 × 10^23.
the quantity of a product that is obtained from a chemical reaction.
a reactant in a chemical reaction that determines the amount of product that is formed

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a conversion factor between compounds in a chemical reaction
the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reaction.
the percent ratio of actual yield to the theoretical yield.
the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers
a reactant present in an amount in excess of that required to combine with all of the limiting reactant.

8 Clues: the percent ratio of actual yield to the theoretical yield. • a conversion factor between compounds in a chemical reaction • the quantity of a product that is obtained from a chemical reaction. • the number of atoms or molecules in one mole of a substance, equal to 6.023 × 10^23. • ...

Chapter 11 Vocabulary 2023-02-07

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A reactant that remains after a chemical reaction stops
The ratio of actual yield (from an experiment) to theoretical yield (from stoichiometric calculations) expressed as a percent.
A reactant that is totally consumed during a chemical reaction, limits the extent of the reaction, and determines the amount of product.
In a chemical reaction, the maximum amount of product that can be produced from a given amount of reactant.

Down

The study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction.
In a balanced equation, the ratio between the numbers of moles of any two substances.
The amount of product produced when a chemical reaction is carried out.

7 Clues: A reactant that remains after a chemical reaction stops • The amount of product produced when a chemical reaction is carried out. • In a balanced equation, the ratio between the numbers of moles of any two substances. • In a chemical reaction, the maximum amount of product that can be produced from a given amount of reactant. • ...

Enzymes 2021-11-04

Across

Modifying structure of protein
scale to find acid or base
energy to start a reaction
where organism grows
speeds up a chemical reaction
Blocks site

Down

protein that speeds up chemical reactions in the body
when two reactants form a substance
substrate combined with enzymes

9 Clues: Blocks site • where organism grows • scale to find acid or base • energy to start a reaction • speeds up a chemical reaction • Modifying structure of protein • substrate combined with enzymes • when two reactants form a substance • protein that speeds up chemical reactions in the body

Physical and Chemical Properties 2023-10-06

Physical and Chemical Properties crossword puzzle

Across

Down

9 Clues: C • P • M • B • CR • PP • MA • PS • CP

Advanced Physical Science - Semester 2 exam - Chapter 7 2022-05-21

Advanced Physical Science - Semester 2 exam - Chapter 7 crossword puzzle

Across

Type of reaction in which two different compounds exchange positive ions to form new compounds
Types of reaction in which two reactants form one product.
In a chemical equation the ______ are on the left side of the arrow.
Type of reaction in which one reactant forms two products.

Down

You can balance a chemical equation by changing the _____, the numbers that appear before the formula.
When the forward and reverse paths of a change occur at the same rate.
The statement that in chemical reactions, the total mass of the reactants equals the total mass of the products is the law of conservation of _____.
During a _____ reaction, electrons are both gained and lost.
Type of reaction in which one element takes the place of another in a compound.

9 Clues: Types of reaction in which two reactants form one product. • Type of reaction in which one reactant forms two products. • During a _____ reaction, electrons are both gained and lost. • In a chemical equation the ______ are on the left side of the arrow. • When the forward and reverse paths of a change occur at the same rate. • ...

Chemistry 2023-04-27

Across

a reaction in which one element is substituted for another element
a negatively charged ion
any substance composed of identical molecules consisting of atoms of two or more chemical elements
a reaction in which a substance reacts with oxygen gas, releasing energy in the form of light and heat
bonded atoms have a lower total energy than that of widely separated atoms
chemical reaction in which one reactant breaks down into two or more products
occur when parts of two ionic compounds are exchanged, making two new compounds

Down

nitrogen, oxygen, fluorine, chlorine, bromine, iodine, and hydrogen
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
breaking of existing bonds and the formation of new ones
subatomic particle that together with protons and neutrons form an atom's nucleus
A number placed in front of a formula to balance a chemical equation.
atom or group of atoms that bears a positive electric charge.
has either a positive charge (cation) or negative charge (anion)

14 Clues: a negatively charged ion • breaking of existing bonds and the formation of new ones • atom or group of atoms that bears a positive electric charge. • has either a positive charge (cation) or negative charge (anion) • a reaction in which one element is substituted for another element • nitrogen, oxygen, fluorine, chlorine, bromine, iodine, and hydrogen • ...

Chemical Reactions 2023-03-27

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gain of electrons
substances initially present in a reaction
shows actual substances present
does not dissolve in a liquid
dissolves in a liquid

Down

water with magnesium and calcium ions
only shows active substances
electron transfer from one substance to another
hydrocarbon and oxygen form carbon dioxide and water
loss of electrons
neutralization reaction
substances that are formed in a chemical reaction

12 Clues: gain of electrons • loss of electrons • dissolves in a liquid • neutralization reaction • only shows active substances • does not dissolve in a liquid • shows actual substances present • water with magnesium and calcium ions • substances initially present in a reaction • electron transfer from one substance to another • substances that are formed in a chemical reaction • ...

BH BEAT - CBRNE Incident 2023-03-20

BH BEAT - CBRNE Incident crossword puzzle

Across

Detailed instructions for the use and storage of chemicals
Type of nuclear bomb that uses fusion reaction
The "R" in CBRNE
The "C" in CBRNE
1925 Protocol banning chemical and biological weapons
The "B" in CBRNE"
Type of nuclear bomb that uses fission reaction
The "E" in CBRNE
A type of bomb laced with radioactive material

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A heavy and dense object to block radiation
The "N" in CBRNE
Site of catastrophic nuclear accident in 1986
Small, free-living organisms which produce disease
Infectious organism which requires living cells for reproduction
Poisonous substance found in and extracted from living plants and animals
Radioactive particles that can be carried by the wind over a large area
Standardized system for labelling chemicals

17 Clues: The "N" in CBRNE • The "R" in CBRNE • The "C" in CBRNE • The "E" in CBRNE • The "B" in CBRNE" • A heavy and dense object to block radiation • Standardized system for labelling chemicals • Site of catastrophic nuclear accident in 1986 • Type of nuclear bomb that uses fusion reaction • A type of bomb laced with radioactive material • ...

photosynthesis 2022-05-02

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released as a byproduct
plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.
The energy from light causes a chemical reaction that breaks down
a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration,
formed by green plants from carbon dioxide and water during the process of photosynthesis
process called photosynthesis, using both the carbon and the oxygen to construct carbohydrates.

Down

carbon dioxide and water
glucose and oxygen
Plants convert carbon dioxide to oxygen
involves two reactants, carbon dioxide and water.
pigment that gives plants their green color,
provides the hydrogen needed to form glucose
allow plants to have strong, upright structures

13 Clues: glucose and oxygen • released as a byproduct • carbon dioxide and water • Plants convert carbon dioxide to oxygen • pigment that gives plants their green color, • provides the hydrogen needed to form glucose • allow plants to have strong, upright structures • involves two reactants, carbon dioxide and water. • ...

photosynthesis 2022-05-02

Across

released as a byproduct
plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process.
The energy from light causes a chemical reaction that breaks down
a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration,
formed by green plants from carbon dioxide and water during the process of photosynthesis
process called photosynthesis, using both the carbon and the oxygen to construct carbohydrates.

Down

carbon dioxide and water
glucose and oxygen
Plants convert carbon dioxide to oxygen
involves two reactants, carbon dioxide and water.
pigment that gives plants their green color,
provides the hydrogen needed to form glucose
allow plants to have strong, upright structures

Enzyme Crossword Puzzle 2017-01-11

Across

/ Substance that is created by a reaction
Site / An enzyme attracts reactants to this region so that they can react
competitive Inhibitor / An enzyme's shape is changed when a metal and a part of an enzyme, other than the active site, bond.
/ The structure of an enzyme is changed because it is exposed to high heat temperatures
/ Cell's chemical reactions
Fit Model / Allows the active site of an enzyme to change its shape in order to fit the substrate better
/ Has the capability to accelerate one type of reaction depending on its shape
Gland / A large organ in the neck that produces hormones

Down

and Key Model / The analogy used for the perfect fit between a substrate and an enzyme's active site
/ Essential to our diet
Inhibitor / does not react but is shaped to fit an enzyme's active site
/ A chemical reaction where an enzyme acts on the reactants
Energy / Causes a reaction between two molecules that release energy and cause more reactions
/ One of the main coenzymes
/ A protein that is able to accelerate very specific reactions
/ a hormone, produced by a gland in the neck, that increases metabolic rate

16 Clues: / Essential to our diet • / One of the main coenzymes • / Cell's chemical reactions • / Substance that is created by a reaction • Gland / A large organ in the neck that produces hormones • / A chemical reaction where an enzyme acts on the reactants • / A protein that is able to accelerate very specific reactions • ...

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