chemical reaction Crossword Puzzles

Chemical Reactions and Equations 2024-05-11

Chemical Reactions and Equations crossword puzzle

Across

Another word for synthesis reaction
A reaction where reaction and oxidation happens.
Type of decomposition using heat
Type of decomposition using current
Reaction when heat is absorbed
one reactant is broken down to more products
A reaction of form A+BC->AC+B
A chemical change where reactants become products.

Down

Type of decomposition used in black-white photos.
Reaction when heat is evolved
Least reactive metal
A reaction of form AC+BD->AB+CD
Reaction when fats and oils stay in open for long
Slow destruction of metal when exposed to O2,etc
Most reactive metal

15 Clues: Most reactive metal • Least reactive metal • Reaction when heat is evolved • A reaction of form A+BC->AC+B • Reaction when heat is absorbed • A reaction of form AC+BD->AB+CD • Type of decomposition using heat • Another word for synthesis reaction • Type of decomposition using current • one reactant is broken down to more products • ...

Enzymes 2021-10-12

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is important in chemical reaction as it is needed to react with the substrate.
is a model used to explain why enzymes only work on certain substrates.
is a type of enzyme inhibition where the inhibitor reduces the activity of the enzyme and binds equally well to the enzyme
is one of the main factors that affect the yield and initial rate of enzymatic hydrolysis of cellulose.
a molecule acted upon by an enzyme
is the minimum amount of energy required by chemical reactants to undergo a chemical reaction.
is the alteration of a protein shape through some form of external stress
Large molecules composed of one or more chains of amino acids
is a molecule that disrupts the normal reaction pathway between an enzyme and a substrate

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The temperature at which an enzyme shows its highest activity
A proposed mechanism of interaction between an enzyme and a substrate.
occurs when substrate and inhibitor both bind to the same site on the enzyme.
Proteins that speeds up the rate of a chemical reaction in a living organism.
The part of the enzyme where the substrate binds
is the pH enzyme activity is most active, the rate of reaction is highest and the enzyme efficiency is at it best.

15 Clues: a molecule acted upon by an enzyme • The part of the enzyme where the substrate binds • The temperature at which an enzyme shows its highest activity • Large molecules composed of one or more chains of amino acids • A proposed mechanism of interaction between an enzyme and a substrate. • is a model used to explain why enzymes only work on certain substrates. • ...

Chemical Reactions 2013-11-19

Across

The main ingredient in which other substances are added.
The law of definate proportion.
Capable of being disolved or liquified.
A reaction that is accomanied by heat.
Is the scale measuring the acidity or alkalinity of a solution.
A chemical reaction accompaied by the absorbtion of heat.
Incapable of being disolved or liquified.

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An indicator that changes colour when going from acid to basic solutions.
A reaction that happens by cause of fire, spark, friction or static.
A substance able to corrode or rot apon contact.
The principle of matter not being created or destroyed in an isolated environment.
The process of rearanging the molecules or ionic structure.
A chemical reaction in which an acid and a base interact with the formation of salt.
A liquid with a pH lower than 7.
A pair of substances that have reacted or are going to.
The aftermath of a reaction.

16 Clues: The aftermath of a reaction. • The law of definate proportion. • A liquid with a pH lower than 7. • A reaction that is accomanied by heat. • Capable of being disolved or liquified. • Incapable of being disolved or liquified. • A substance able to corrode or rot apon contact. • A pair of substances that have reacted or are going to. • ...

Photosynthesis + Cellular Respiration Project 2024-12-06

Photosynthesis + Cellular Respiration Project crossword puzzle

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Oxygen and ________ are the reactants of Cellular Respiration.
Water and ______ are the reactants of Photosynthesis.
Photosynthesis occurs in the what?
34 ATP and water are made in this process.
This reaction happens in the stroma.
Cellular Respiration occurs in the what?

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This converts chemical energy in food into chemical energy stored in ATP.
This uses 2 pyruvate molecules to make 2 ATP.
These are the results in a chemical equation.
This reaction Happens in the grana.
This converts light energy into chemical energy.
These are the ingredients in a chemical equation.
This is when glucose is broken down into 2 pyruvate.
The results of photosynthesis are glucose and what?
Water, carbon dioxide and ___ are products of Cellular Respiration.

15 Clues: Photosynthesis occurs in the what? • This reaction Happens in the grana. • This reaction happens in the stroma. • Cellular Respiration occurs in the what? • 34 ATP and water are made in this process. • This uses 2 pyruvate molecules to make 2 ATP. • These are the results in a chemical equation. • This converts light energy into chemical energy. • ...

7E and 7F Summary 2012-12-18

Across

Common acid which goes with fish and chips
Gas which burns with a squeaky pop
What physical changes often are
Relights a glowing splint
Has a pH of 7
Has a pH of less than 7
Coloured dye that changes colour when mixed with acids/alkalis
Given off in many reactions
What word is used for if an acid is not dilute?
The indicator that turns blue in alkalis and red in acids
Produced when burning along with carbon dioxide

Down

Chemical you end with
Substance used to test for carbon dioxide
The scale for acids
Type of reaction where a new substance is always formed
Completes the fire triangle with heat and oxygen
Combustion
The reaction when an acid is mixed with an alkali
What hazard warning is given by a large black cross?
Has a pH of more than 7
What hazard warning is given by a substance spilling onto a hand or block?
A fast reaction which gives out a lot of heat and gas
Chemical you start with

23 Clues: Combustion • Has a pH of 7 • The scale for acids • Chemical you end with • Has a pH of less than 7 • Has a pH of more than 7 • Chemical you start with • Relights a glowing splint • Given off in many reactions • What physical changes often are • Gas which burns with a squeaky pop • Substance used to test for carbon dioxide • Common acid which goes with fish and chips • ...

Chem. Vocab and Concepts Crossword 2024-06-07

Chem. Vocab and Concepts Crossword crossword puzzle

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Turns litmus paper blue.
When a solution contains the maximum amount of solute.
The measure of the ability of an atom to attract electrons of other atoms.
Compares the number of moles of each reactant.
Unit for measuring heat.
Method for balancing chemical equations that uses a grid.
Property that refers to a substance's ability to combine or change into another substance.
Bond that occurs between nonmetals.
Reaction between an acid and a base.
Number of moles in one liter of solution.

Down

The groups of electrons in a lewis structure that are not bonded.
An element that is most commonly found bonded with another atom of itself.
When a reaction absorbs heat.
pH + pOH
The complete valence shell of an atom.
The ________ yield is the amount of a chemical that a reaction is supposed to produce.
Point where gasses, liquids, and solids exist at the same time.
How close multiple trials are to each other.
Device that measures atmospheric pressure.
How close a value is to the accepted value.

20 Clues: pH + pOH • Turns litmus paper blue. • Unit for measuring heat. • When a reaction absorbs heat. • Bond that occurs between nonmetals. • Reaction between an acid and a base. • The complete valence shell of an atom. • Number of moles in one liter of solution. • Device that measures atmospheric pressure. • How close a value is to the accepted value. • ...

Unit 1 Review 2024-09-12

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word that describes a substance that breaks easily
change where no new substance is created
change where a new substance is created
law of _____________ of mass
elements that are semiconductors
elements that are poor conductors, brittle, low luster
the law of conservation of mass says that both sides of a reaction should be the ____
right side of a chemical reaction (RAP)
mixture where the substances are mixed evenly throughout
word that describes a substance that is not shiny
mixture where the substances not mixed evenly (separated)

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word that describes a substance that can bend without breaking
name of element that is a metalloid that starts with the letter s
word that describes a substance that can pass electricity
left side of a chemical reaction (RAP)
word that describes how shiny an object is
word used for a poor conductor
name of element that has the word 'bro' in it
all matter is made out of this
metalloids are on the ______________ in the periodic table
elements that are great conductors, malleable, high luster

21 Clues: law of _____________ of mass • word used for a poor conductor • all matter is made out of this • elements that are semiconductors • left side of a chemical reaction (RAP) • change where a new substance is created • right side of a chemical reaction (RAP) • change where no new substance is created • word that describes how shiny an object is • ...

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

8 Clues: when something changes into new substance. • chemical reaction that gives off heat energy. • a chemical reaction that absorbs heat energy. • a change in matter that doesn't effect its atom • material that has mass and takes up some amount of space. • a chemical change an process that changes substances in to new substances. • ...

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Vocab 2023-03-27

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sugar
needed for a chemical reaction to occur
distributes glucose to the plant
the process in which green plants make their own food

Down

contains the chlorophyll
the result of a chemical reaction
pigment in green leaves
a leaf that contains chlorophyll
similar to the circulatory system
an equation for a chemical reaction

10 Clues: sugar • pigment in green leaves • contains the chlorophyll • a leaf that contains chlorophyll • distributes glucose to the plant • the result of a chemical reaction • similar to the circulatory system • an equation for a chemical reaction • needed for a chemical reaction to occur • the process in which green plants make their own food

Balancing Chemical Equations 2022-10-06

Balancing Chemical Equations crossword puzzle

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atoms that are rearranged form this
when the atoms are the same amount before and after reaction
Substances before a chemical reaction
mass is never ____ or destroyed
make up all things

Down

what is drawn when illustrating an experiment
substances after chemical reaction
the atoms aren't that same amount before and after
mass is never created or ___ it is only rearranged
represents the chemical reaction in a formula

10 Clues: make up all things • mass is never ____ or destroyed • substances after chemical reaction • atoms that are rearranged form this • Substances before a chemical reaction • what is drawn when illustrating an experiment • represents the chemical reaction in a formula • the atoms aren't that same amount before and after • mass is never created or ___ it is only rearranged • ...

Oxidation Reduction 2021-05-27

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type of electromechanical cell
has a negative charge
gain of electrons by a substance
type of chemical reaction in which the oxidation states of atoms are changed

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electromechanical cell that uses a chemical reaction to produce electrical energy
occurs when an atom, molecule,or ion loses one or more electrons in a chemical reaction
Occurs when an atom gains an electron it will have more electrons than protons
oxidation or reduction reaction component of a redox reaction
electrode where oxidation occurs
electrode where reduction occurs

10 Clues: has a negative charge • type of electromechanical cell • electrode where oxidation occurs • gain of electrons by a substance • electrode where reduction occurs • oxidation or reduction reaction component of a redox reaction • type of chemical reaction in which the oxidation states of atoms are changed • ...

Introduction to Chemical Reactions and Equations 2023-12-11

Introduction to Chemical Reactions and Equations crossword puzzle

Across

the substances made when the reactants react
C3H8 is _____________.
Coefficients are altered to ___________ a chemical equation.
a reaction's reactants are ALWAYS on the _____ side of an chemical equation
the small umbers within a chemical formula H2O
a shorthand way of representing the details of a chemical reaction
these numbers are altered to balance a chemical equation

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mass cannot be created or ___________.
the starting components in a reaction
the "arrow" means __________.
Law of Conservation of _______
The arrow in a chemical equation points toward the _____________.
when balancing chemical equations, we start by making an element ____________.

13 Clues: C3H8 is _____________. • the "arrow" means __________. • Law of Conservation of _______ • the starting components in a reaction • mass cannot be created or ___________. • the substances made when the reactants react • the small umbers within a chemical formula H2O • these numbers are altered to balance a chemical equation • ...

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Chemistry Crossword Puzzle 2023-12-14

Chemistry Crossword Puzzle crossword puzzle

Across

the smallest unit of an element
formula a combination of chemical symbols that represents the elements in a compound
Atoms of the same element with a different number of neutrons
negatively charged subatomic particle orbiting the nucleus of an atom
positively charged subatomic particle found in the nucleus of an atom
mass per unit volume of a substance
subatomic particle with no charge, found in the nucleus of an atom
the process of a substance changing directly from a solid to a gas without passing through the liquid phase
a substance that speeds up a chemical reaction without being consumed in the process
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons

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the speed at which a chemical reaction occurs
an electron in the outermost shell of an atom, involved in chemical bonding
A substance made up of two or more different types of atoms chemically bonded together
a measure of the acidity or alkaline concentration.
the amount of solute dissolved in a solvent
A substance made up of only one type of atom
point the temperature at which a liquid turns into a gas
a group of atoms bonded together

18 Clues: the smallest unit of an element • a group of atoms bonded together • mass per unit volume of a substance • the amount of solute dissolved in a solvent • A substance made up of only one type of atom • the speed at which a chemical reaction occurs • a measure of the acidity or alkaline concentration. • point the temperature at which a liquid turns into a gas • ...

Jerry Cannon Jr. Chapter 13 Crossword 2016-10-12

Jerry Cannon Jr. Chapter 13 Crossword crossword puzzle

Across

a substance that is the result of the chemical change
changes the substance
is a acid
when reaction and it's reverse act at the same rate
a substance that undergoes a chemical change
increasing temperature favors the reaction that absorbs energy

Down

is a chemical that donates a hydrogen ion H+
energy transfers from reactants to surrounding usually heat
if changed shifts to oppose change until it is reached.
must be added to break bonds
energy is transferred to reactants from surroundings
tell you how many atoms of a particular element are in a compound
increasing pressure favors the reaction that produces less gas
is a acceptor

14 Clues: is a acid • is a acceptor • changes the substance • must be added to break bonds • is a chemical that donates a hydrogen ion H+ • a substance that undergoes a chemical change • when reaction and it's reverse act at the same rate • energy is transferred to reactants from surroundings • a substance that is the result of the chemical change • ...

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Esvin 2.1 vocab 2021-10-27

Across

chemical reaction that gives off heat energy.
the substances present before a chemical reaction occurs in a chemical reaction the arrows.
a chemical reaction that absorbs heat energy.
when something changes into new substance.

Down

a chemical change an process that changes substances in to new substances.
the substances that are formed during a chemical reaction in a chemical reaction the arrows.
a change in matter that doesn't effect its atom
material that has mass and takes up some amount of space.

Chapter 13 Kara Floyd 2018-03-08

Across

What bond energy is also known as.
The amount of energy required to pull two bonded atoms apart.
What chemical reaction is this (AB—>A+B)?
A substance that lowers activation energy of a chemical reaction.
A net absorption of energy.

Down

A net released of energy.
No atoms are gained or lost during any reaction.
What chemical reaction is this (A+B—>AB)?
How quickly the concentration of reactants decreases and increases.
When a reaction and it’s reverse act at the same rate.

10 Clues: A net released of energy. • A net absorption of energy. • What bond energy is also known as. • What chemical reaction is this (A+B—>AB)? • What chemical reaction is this (AB—>A+B)? • No atoms are gained or lost during any reaction. • When a reaction and it’s reverse act at the same rate. • The amount of energy required to pull two bonded atoms apart. • ...

Chapter 13 Crossword; Rylee Goedde 2019-10-07

Chapter 13 Crossword; Rylee Goedde crossword puzzle

Across

Most reactions go faster at ____ temperatures
in a chemical reaction the equation must be _____
In the law of _____ no atoms are gained or lost during any reaction
Bond energy is also known as _____ energy
In an ____thermic reaction there is a net absorption of energy

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New color represents _____ change
In an ____thermic reaction there is a net release of energy
In chemical equations you read from ___ to ___
_____ energy is the amount of energy required to pull two bonded atoms apart
____ rates are affected by temperature

10 Clues: New color represents _____ change • ____ rates are affected by temperature • Bond energy is also known as _____ energy • Most reactions go faster at ____ temperatures • In chemical equations you read from ___ to ___ • in a chemical reaction the equation must be _____ • In an ____thermic reaction there is a net release of energy • ...

Mixtures/Solutions and Chemical Reaction 2022-01-10

Mixtures/Solutions and Chemical Reaction crossword puzzle

Across

Change A change that alters the form or appearance of a material, but doesn't make the material into another substance
A substance that is formed as a result of a chemical reaction
The part of a solution that is dissolved by a solvent
Reaction A reaction that releases energy; usually in the form of heat
Change A change in which one or more substances combine or break apart to form new substances
The part of a solution that is usually present in the largest amount and can dissolve a solute
When a substance fully disappears into another substance to form a solution
Two or more substances that are together in the same place, but their atoms aren't chemically bonded

Down

A measure of how much solute can dissolve in a given solvent at a given temperature
Reaction A reaction that absorbs energy
How slowly or quickly something happens
A mixture in which particles can be seen and easily separated by settling or filtration
A mixture that contains small, undissolved particles that don't settle out
A substance that enters into a chemical reaction

14 Clues: Reaction A reaction that absorbs energy • How slowly or quickly something happens • A substance that enters into a chemical reaction • The part of a solution that is dissolved by a solvent • A substance that is formed as a result of a chemical reaction • Reaction A reaction that releases energy; usually in the form of heat • ...

Chemical Reactions in Biology Part 1 2015-04-15

Chemical Reactions in Biology Part 1 crossword puzzle

Across

_______ energy is how much energy it takes to start a chemical reaction
a type of biological catalyst make of amino acids
one of the starting ingredients in a chemical reaction

Down

the chemical that gets changed by an enzyme
a chemical ______ happens when two atoms connect together or disconnect
something that makes a reaction faster
what you get after a chemical reaction
site the place on an enzyme where a chemical reaction gets catalyzed

8 Clues: something that makes a reaction faster • what you get after a chemical reaction • the chemical that gets changed by an enzyme • a type of biological catalyst make of amino acids • one of the starting ingredients in a chemical reaction • site the place on an enzyme where a chemical reaction gets catalyzed • ...

General Chemistry 2021-11-16

Across

liquid to gas
The central core of an atom contains protons and neutrons
In an ionic bond, electrons are _____(ed)
In a covalent bond, electrons are ____(ed)
to produce
A substance that is dissolved in a solution
speeds up the rate of reaction and remains unchanged when the reaction finishes
In polar covalent bonds, electrons are ____ distributed.
cannot be divided
The subatomic particle of an atom that has a negative charge is called a(an)_____.
solid to gas
A number in front of chemical formula in an equation

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A chemical _____ occurs when 2 or more substances interact with each other causing the molecules to form.
An atom's ability to pull electrons towards it in a chemical bond
____ rule means 8 electrons
The amount of matter in an object.
gas to liquid
The ____ table is a tabular arrangement of the elements.
A(an) ____ reactant is totally consumed in an equation
Another name of the outermost shell
An atom with the same number of protons but a different number of neutrons
gas to solid

22 Clues: to produce • gas to solid • solid to gas • liquid to gas • gas to liquid • cannot be divided • ____ rule means 8 electrons • The amount of matter in an object. • Another name of the outermost shell • In an ionic bond, electrons are _____(ed) • In a covalent bond, electrons are ____(ed) • A substance that is dissolved in a solution • ...

Joseph Yanna Unit 2 2025-03-27

Across

smallest structure in a cell
molecule that repels water
membrane ability to pass and exit cell
substance that is formed as a result of a chemical reaction or process
a group of cells that work together to perform a function
moving from an area of higher concentration to an area of lower cocentratio
speeds up a chemical reaction
the movement of water
movement from a lower concentration to a area of higher concentration
related parts that function together as a whole
atoms that are bonded together
smallest unit capable of carrying life functions

Down

specific region on an enzyme
a group of organs that work to perform a function
minimum amount of energy needed to start a chemical reaction or to get molecules to react
movement of molecules across a cell membrane without requiring energy
surface where an organism lives and grows
molecules that do not mix with water
a protein that has lost its shape
smallest unit of matter
form the cell membrane
a group of tissues that perform a function

22 Clues: the movement of water • form the cell membrane • smallest unit of matter • molecule that repels water • specific region on an enzyme • smallest structure in a cell • speeds up a chemical reaction • atoms that are bonded together • a protein that has lost its shape • molecules that do not mix with water • membrane ability to pass and exit cell • ...

PS.Chm.5.1 – Vocabulary Crossword 2026-01-07

PS.Chm.5.1 – Vocabulary Crossword crossword puzzle

Across

A meeting between particles in a chemical reaction
A substance that speeds up a reaction without being used up
Explanation of how chemical reactions occur
Substances present at the start of the reaction

Down

Energy needed to start a reaction
The minimum energy needed for a reaction to occur
Collisions that result in a chemical reaction
The exposed part of a solid that affects the reaction rate
Measure of average kinetic energy of particles

9 Clues: Energy needed to start a reaction • Explanation of how chemical reactions occur • Collisions that result in a chemical reaction • Measure of average kinetic energy of particles • Substances present at the start of the reaction • The minimum energy needed for a reaction to occur • A meeting between particles in a chemical reaction • ...

Photosynthesis and cellular respiration 2022-11-04

Photosynthesis and cellular respiration crossword puzzle

Across

energy for cells to use
requires other organisms for energy
where photosynthesis occurs
where CR takes place
Able to make own food and energy
captures sunlight
input of a chemical reaction
the gas that is in photosynthesis

Down

production of CO2
light energy from the sun
production of Glucose
movement of atoms
gas produced by photosynthesis
output of a chemical reaction
Regulate gas exchange in leaf
food for plants and animals

16 Clues: production of CO2 • movement of atoms • captures sunlight • where CR takes place • production of Glucose • energy for cells to use • light energy from the sun • where photosynthesis occurs • food for plants and animals • input of a chemical reaction • output of a chemical reaction • Regulate gas exchange in leaf • gas produced by photosynthesis • Able to make own food and energy • ...

Science 2023-12-11

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Method or means of changing one or more chemicals
Physical and chemical characteristics of matter used to describe or identify a substance
A substance produced during a chemical reaction.
Materials Materials made from one r more natural substances that undergo a chemical process.
A substance that takes part in and undergoes change during a chemical reaction.

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The process by which one or more substances change to produce one or more different substances.
A new substance with a unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction.
The simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically
An Insoluble solid formed from a chemical reaction.
The smallest Particle of an element

10 Clues: The smallest Particle of an element • A substance produced during a chemical reaction. • Method or means of changing one or more chemicals • An Insoluble solid formed from a chemical reaction. • A substance that takes part in and undergoes change during a chemical reaction. • Physical and chemical characteristics of matter used to describe or identify a substance • ...

Enzymes 2023-02-15

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right side of chemical equation
pH = 7
two words, the amount of energy needed for a chemical rxn to occur
left side of chemical equation
what happens to an enzyme as a result of excess heat or change in pH
specific reactant
in our analogy, an enzyme is to a ________

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starts/forces a reaction
enzymes are not ________ during a reaction
enzymes are highly ________
pH = 14
suffix of enzymes
pH = 1
in our analogy, an substrate is to a ________

14 Clues: pH = 7 • pH = 1 • pH = 14 • suffix of enzymes • specific reactant • starts/forces a reaction • enzymes are highly ________ • left side of chemical equation • right side of chemical equation • enzymes are not ________ during a reaction • in our analogy, an enzyme is to a ________ • in our analogy, an substrate is to a ________ • ...

Combustion 2026-02-10

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becoming rusty
the new substance formed by a chemical reaction
reacting to a atom
Chemicals change into a different chemical
produced by reactions involving atomic or molecular changes

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gives a yellow/orange flame
the process of burning something
a particular kind of matter
caused by incomplete combustion
when things react
solid, liquid, or gas
A substance that takes part in and undergoes change during a reactio
to the atomic level
the process of starting or combustion

14 Clues: becoming rusty • when things react • reacting to a atom • to the atomic level • solid, liquid, or gas • gives a yellow/orange flame • a particular kind of matter • caused by incomplete combustion • the process of burning something • the process of starting or combustion • Chemicals change into a different chemical • the new substance formed by a chemical reaction • ...

Photosynthesis 2023-03-22

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gas produced after photosynthesis
energy needed for photosynthesis to take place
green pigment that allows plants to absorb sunlight
place on plants where photosynthesis takes place
substances formed in a chemical reaction

Down

photosynthesis is a ________ reaction
chemical reaction that takes place in the chloroplasts of a plant cell
cell organelle where photosynthesis takes place
sugar that is produced in photosynthesis
what is needed for a reaction to take place

10 Clues: gas produced after photosynthesis • photosynthesis is a ________ reaction • sugar that is produced in photosynthesis • substances formed in a chemical reaction • what is needed for a reaction to take place • energy needed for photosynthesis to take place • cell organelle where photosynthesis takes place • place on plants where photosynthesis takes place • ...

Revision 2023-12-07

Across

chemical symbol O
what reacts together during a reaction
chemically symbol He
what is made during a reaction
Chemical symbol Na
absorbing heat energy

Down

releasing heat energy
chemical symbol K
Another word for burning
Another word breaking down
Two or more elements chemically combined

11 Clues: chemical symbol O • chemical symbol K • Chemical symbol Na • chemically symbol He • releasing heat energy • absorbing heat energy • Another word for burning • Another word breaking down • what is made during a reaction • what reacts together during a reaction • Two or more elements chemically combined

Chemistry Crossword Puzzle 2024-05-09

Across

a salt or ester of nitric acid, containing the anion NO3− or the group —NO3.
a scale that range goes from 0 to 14
the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
the chemical element of atomic number 5, a nonmetallic solid.
A measured quantity of the actual amount of product produced during a chemical reaction
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
an ion, or charged particle, with a positive charge.
of or denoting a scale of temperature on which water freezes at 0° and boils at 100° under standard conditions.
the mass of a given chemical element or chemical compound (g) divided by the amount of substance (mol).
the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.
continuous physical force exerted on or against an object by something in contact with it.

Down

an atom that has more electrons than protons
the volume occupied by one mole of a substance (chemical element or chemical compound) at a given temperature and pressure.
form of protective eyewear that usually enclose or protect the area surrounding the eye in order to prevent particulates, water or chemicals from striking the eyes.
a table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.
a substance that takes part in and undergoes change during a reaction.
formed from the electrostatic attraction between oppositely charged ions
The numerical relationships found in balanced chemical equations that relate the relative quantities of the substances taking part in a chemical reaction
a measure of the amount of matter in an object.
a safety device designed to extinguish incipient (starting) fires

20 Clues: a scale that range goes from 0 to 14 • an atom that has more electrons than protons • a measure of the amount of matter in an object. • an ion, or charged particle, with a positive charge. • the chemical element of atomic number 5, a nonmetallic solid. • a safety device designed to extinguish incipient (starting) fires • ...

Chemical Energy 2021-01-25

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Ammonium nitrate & calcium chloride are called this
A reaction plants use to make sugar and O2
A violent reaction
The electrical attractive force between atoms
Specific part of interest in the study
A chemical change
This is the energy required to start reactions
Energy that is absorbed or released in a reaction

Down

Reaction where heat is absorbed
Include the rest of the universe
Substances able to burn, source of energy
Reaction where heat energy is released
The new substances in a reaction
The burning of fuels with oxygen
Substances that change in a reaction

15 Clues: A chemical change • A violent reaction • Reaction where heat is absorbed • Include the rest of the universe • The new substances in a reaction • The burning of fuels with oxygen • Substances that change in a reaction • Reaction where heat energy is released • Specific part of interest in the study • Substances able to burn, source of energy • ...

Enzyme 2026-03-04

Across

Energy that is available to the cell
are referred to as after the reaction
are referred to as substrates in a catalysed reaction
reaction that absorbs free energy from the surroundings.
the process of making large molecules from smaller ones
sum of all the chemical reactions occurring in that cell

Down

reaction is one that has a net release of free energy
reaction that breaks or makes bonds
The energy required to start any reaction
the process of breaking down large molecules into smaller ones
cells that are inside the body

11 Clues: cells that are inside the body • reaction that breaks or makes bonds • Energy that is available to the cell • are referred to as after the reaction • The energy required to start any reaction • reaction is one that has a net release of free energy • are referred to as substrates in a catalysed reaction • the process of making large molecules from smaller ones • ...

Photosynthesis 2024-04-23

Across

Type of reaction that changes the substance
Organelles where photosynthesis takes place
Chemical Makeup of water
Another name for light energy
Plant system similar to the human circulatory system

Down

Thing needed to cause a reaction
Process of which plants make food
Type of reaction that changes the look, but not the subtance
Green pigment that allows the plant to absorb sunlight
Substance formed in a chemical reaction

10 Clues: Chemical Makeup of water • Another name for light energy • Thing needed to cause a reaction • Process of which plants make food • Substance formed in a chemical reaction • Type of reaction that changes the substance • Organelles where photosynthesis takes place • Plant system similar to the human circulatory system • Green pigment that allows the plant to absorb sunlight • ...

SCIENCE VOCAB 2024-01-12

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Method or means of changing one or more chemicals or chemical compounds
A substance produced during a chemical reaction
The smallest part of an element; made of electrons, protons and neutrons
The process by which one or more substances change to produce one or more different substances
Physical and chemical characteristics of matter used to describe or identify a substance

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Materials made from one or more natural substances that undergo a chemical process a chemical
A substance that takes part in and undergoes change during a chemical reaction
The simplest unit of a chemical compound, that can exist, formed when two or more atoms join together chemically
A new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemicial reaction
An insoluble solid formed from a chemical reaction

10 Clues: A substance produced during a chemical reaction • An insoluble solid formed from a chemical reaction • Method or means of changing one or more chemicals or chemical compounds • The smallest part of an element; made of electrons, protons and neutrons • A substance that takes part in and undergoes change during a chemical reaction • ...

ALCHEMIZ 2025-06-22

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(Process where heat is added to break down larger molecules)
(Catalyst that accelerates chemical reactions)
(Material used for the construction of reactors due to its resistance to corrosion)
(Device used to maintain a constant temperature in a system)
Heat (The amount of energy required to change the temperature of a substance)
(Process of separating liquids based on different boiling points)
(Device used to measure the flow rate of gases or liquids)
(Chemical compound often used to store energy)
(Gas that makes up most of Earth's atmosphere)
Exchanger (Heat exchange method involving fluid flow through pipes)

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(Device that measures pressure in a system)
(Process of producing electricity from chemical reactions)
(Chemical reaction involving the rearrangement of atoms)
(Substances that speed up or slow down chemical reactions)
(Process of heat and mass transfer involving liquid-vapor equilibrium)
(A measure of a material's resistance to deformation)
(Solid-state chemical process for making semiconductors)
(Process of mixing two or more substances to form a uniform product)
(Material that speeds up a reaction without being consumed)
(A byproduct of combustion reactions, often in gaseous form)

20 Clues: (Device that measures pressure in a system) • (Catalyst that accelerates chemical reactions) • (Chemical compound often used to store energy) • (Gas that makes up most of Earth's atmosphere) • (A measure of a material's resistance to deformation) • (Chemical reaction involving the rearrangement of atoms) • (Solid-state chemical process for making semiconductors) • ...

Biology Terms 2A 2021-09-10

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The building block of matter; the smallest possible particle of an element.
A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
An attraction between two atoms as a result of sharing or transferring valence electrons.
The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
A class of simple organic compounds important in living things as a source of both energy and structure.
The tendency of energy to disperse and become less available to do work.
A substance that can produce hydroxide ions (OH-) or accept hydrogen ions (H+) in solution.
The smallest particle of a covalently bonded compound.
A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
A class of nonpolar organic compounds that are insoluble in water and are used for energy storage and cell membranes in living things.
acidA class of organic compounds that serve as the building blocks of proteins.
The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
A substance that can produce hydrogen ions (H+) in solution.
A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
A pure substance made of only one kind of atom.
The substances formed during a chemical reaction, usually indicated on the right-hand side of the chemical equation.
Change A change in a substance that does not change to identity of the substance (e.g., a change of form or state).

Down

Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch, and cellulose.
An attraction between two atoms as a result of sharing or transferring valence electrons.
The attraction between like particles within polar substances.
A class of organic compounds that serve as the building blocks for the information storage molecules DNA and RNA.
Change A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance
Anything occupies space and has mass
A measurement of the average speed of the particles within a substance.
The attraction of particles in one substance for particles in a different substance.
compound A covalently bonded compound containing the element carbon.
A naturally occurring catalyst, usually a protein.
The process by which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.

29 Clues: Anything occupies space and has mass • A pure substance made of only one kind of atom. • A naturally occurring catalyst, usually a protein. • The smallest particle of a covalently bonded compound. • A substance that can produce hydrogen ions (H+) in solution. • The attraction between like particles within polar substances. • ...

Chapter 2 Vocabulary 2024-09-30

Across

A substance that changes the rate of a chemical reaction but is not itself used up or affected by the reaction.
A class of organic compounds that serve as the building blocks for information storage molecules DNA and RNA.
An attraction between two atoms as a result of sharing or transferring valence electrons.
A chemical that gives off hydrogen ions in water and forms salts by combining within certain metals.
A pure substance made of only one kind of atom.
The substances formed during a chemical reaction usually indicated on the right-hand side of a chemical equation.
A measurement of the average speed of the particles within a substance.
The process by which particles in solution are evenly distributed throughout the solvent by Brownian motion.
Molcules that combine to form proteins.
Quality of molecules having an uneven distribution of electrical charge, resulting in some regions of a molecule having negative charge while others are positive.
The tendency of energy to disperse and become less available to do work.
The ability to do work. Especially in biology, the driver of the physical and chemical processes necessary for life.
A pure substance made from two or more elements that are chemically combined.
Any carbohydrate that dissolves in water, is usually crystalline and has a sweet taste.
A substance that can produce hydroxide ions or accept hydrogen ions in a solution.

Down

An organic compound comprised of the elements carbon, hydrogen, and oxygen; includes sugars, starch and cellulose.
The attraction of molecules of one kind for molecules of a different kind.
A covalently bonded compound containing the element carbon.
The building block of matter; the smallest possible particle of an element.
A substance that is present before a chemical reaction and takes part in it, usually shown on the left-hand side of a chemical equation.
The attraction between like particles within polar substances.
The smallest particle of a covalently bonded compound.
A change in a substance that does not change the identity of the substance.
A change in a substance that results in one or more new substances being formed that have different physical and chemical properties than those of the original substance.
The process which one substance, the solute, is broken up into smaller pieces by and distributed within a second substance, the solvent.
A substance that binds to an enzyme and reduces its activity, thus slowing a chemical reaction that the enzyme catalyzes.
The physical stuff that makes up the universe. Anything that occupies space and has mass.

27 Clues: Molcules that combine to form proteins. • A pure substance made of only one kind of atom. • The smallest particle of a covalently bonded compound. • A covalently bonded compound containing the element carbon. • The attraction between like particles within polar substances. • A measurement of the average speed of the particles within a substance. • ...

Midterm Bio Vocab Review 2021-12-22

Midterm Bio Vocab Review crossword puzzle

Across

water molecules stick to other things
organelle that carries out photosynthesis
stores the genetic information in your cells
molecule that includes fat oil and cholesterol
substance made by a chemical reaction
molecule that transfers energy from food molecules
the diffusion of water across a membrane
the study of all forms of life
molecule that includes meat beans and nuts
increases the rate of a chemical reaction
multi celled organism with organelles
the substance changed during a chemical reaction
two or more atoms connected by covalent bonds

Down

the basic unit of life
maintaining a balance of internal conditions
basic unit of matter
bipolar molecule that makes up the membrane
single celled organism without a nucleus
movement of molecules from high area 2 low area
low energy molecule that can convert into atp
organelle that links amino acids into proteins
molecule that includes sugar and starches
the reactants that bind to an enzyme
boundary of a cell that lets things in and out
water molecules stick to each other

25 Clues: basic unit of matter • the basic unit of life • the study of all forms of life • water molecules stick to each other • the reactants that bind to an enzyme • water molecules stick to other things • substance made by a chemical reaction • multi celled organism with organelles • single celled organism without a nucleus • the diffusion of water across a membrane • ...

Cellular Respiration/Photosynthesis 2019-11-25

Cellular Respiration/Photosynthesis crossword puzzle

Across

a simple sugar.
colorless fluid surrounding the grana.
a colorless, odorless gas produced by burning carbon and organic compounds.
Where calvin cycle and light dependent reaction occur.
transporters embedded in the inner mitochondrial membrane that shuttles electrons from NADH and FADH2
Molecule that carries energy through the cell.
Without Oxygen
Creates Glucose
other name for light independent reaction.
H2O
the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
Where krebs cycle and electron transport chain occur.

Down

The chemical element with the symbol O and atomic number 8.
The breakdown of glucose by enzymes, releasing energy and pyruvic acid
With Oxygen
use light energy to make two molecules needed for the next stage of photosynthesis.
Also known as metabolic pathway.
the sequence of reactions by which most living cells generate energy during the process of aerobic respiration.
a chemical compound, a simple alcohol.
membrane-bound compartments inside chloroplasts.
Creates ATP
an organic acid.

22 Clues: H2O • With Oxygen • Creates ATP • Without Oxygen • a simple sugar. • Creates Glucose • an organic acid. • Also known as metabolic pathway. • colorless fluid surrounding the grana. • a chemical compound, a simple alcohol. • other name for light independent reaction. • Molecule that carries energy through the cell. • membrane-bound compartments inside chloroplasts. • ...

Enzymes 2025-04-28

Across

A model where the enzyme changes shape to fit the substrate.
A substance that increases reaction rate without being consumed.
A measure of acidity that affects enzyme shape and function.
A model describing how enzymes and substrates fit together.
The part of the enzyme where the substrate binds.
Another term for an enzyme emphasizing its organic nature.
A protein that speeds up a chemical reaction.
The energy needed to start a chemical reaction.
All the chemical reactions in a living organism.
An enzyme that breaks down proteins into amino acids.

Down

An enzyme that breaks down fats into fatty acids and glycerol.
The molecule that an enzyme acts upon.
The substance formed from the substrate after enzyme action.
The best conditions for enzyme activity.
A factor that affects enzyme activity by altering kinetic energy.
A non-protein helper required for some enzyme activity.
To change the shape of an enzyme so it no longer works.
A molecule that reduces enzyme activity.
An enzyme that breaks down starch into sugars.
The idea that enzymes only work with particular substrates.

20 Clues: The molecule that an enzyme acts upon. • The best conditions for enzyme activity. • A molecule that reduces enzyme activity. • A protein that speeds up a chemical reaction. • An enzyme that breaks down starch into sugars. • The energy needed to start a chemical reaction. • All the chemical reactions in a living organism. • ...

Unit 2 Carson Bergman 2023-04-04

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when the active site's shape is changed
diffusion of water across a membrane
water loving
cells combine and for your bodies
water fearing
combine to form cells
basic units of matter
atoms are combined to form
specific location where the enzyme and substrate bind together
occurs when cells spend energy to move molecules across the membrane
tissues combine to form your
molecules that are released from the enzyme at the end of a chemical reaction

Down

all of the organ systems combine to for a fully functional
starts a chemical reaction
a molecule containing one hydrophilic head and two hydrophobic
part of the enzyme reaction that is specifically acted upon by the enzyme
only allows certain molecules in or out
method of moving molecules across the membrane that does not require the cell to spend any energy
molecules naturally move from being clustered together to be spaced out
basic unit of life
organs make up
type of protein that speeds up chemical reactions in cells

22 Clues: water loving • water fearing • organs make up • basic unit of life • combine to form cells • basic units of matter • starts a chemical reaction • atoms are combined to form • tissues combine to form your • cells combine and for your bodies • diffusion of water across a membrane • when the active site's shape is changed • only allows certain molecules in or out • ...

periodic table of elements 2013-05-29

periodic table of elements crossword puzzle

Across

an element repersented by one or two letters
a substance made of two or more elements together
the average mass of one atom of an element
a chemical reaction
consist of two or more substance in the same place
a characteristic that is observed when a substance changes into something else
the substance you start with in a chemical reaction
the form or apperance of a material but does not convert into a new substance
or family , elements in the same colum
organizes information about the elements
an element is the number of protons in the nucleus of an atom

Down

points to the substance you end up with
a substance that cannot change be broken down
shows the ratio of elements in the compound
a characteristic of a substance that can be observed without changing the substance into something else
the force that holds atoms together
a short simple way to describe chemical reaction
the smallest particle of an element
a particle made of two or more atoms
a row across the table

20 Clues: a chemical reaction • a row across the table • the force that holds atoms together • the smallest particle of an element • a particle made of two or more atoms • or family , elements in the same colum • points to the substance you end up with • organizes information about the elements • the average mass of one atom of an element • shows the ratio of elements in the compound • ...

Science Key terms 2017-01-23

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A chemical reaction that absorbs heat energy
chemical reaction that gives off heat
The path or orbit electrons follow around the nucleus of an atom
The physical matter of which living or nonliving things are composed
A change in matter that does not affect it's chemical composition
Interaction between molecules that causes a chemical change, converting an existing substance into a new substance
One of six elemental gasses that does not naturally react with other elements

Down

A process which nitrogen in the atmosphere enters the soil and becomes part of living organisms that eventually returns to the atmosphere
The ability to do work or cause change; can be changed into different forms and can move between objects
A material with a particular chemical makeup
A process that changes the properties of an element
To act because of something that happened
the smallest unit of an element that has the properties of that element

13 Clues: chemical reaction that gives off heat • To act because of something that happened • A material with a particular chemical makeup • A chemical reaction that absorbs heat energy • A process that changes the properties of an element • The path or orbit electrons follow around the nucleus of an atom • A change in matter that does not affect it's chemical composition • ...

Science Key terms 2017-01-23

Across

A chemical reaction that absorbs heat energy
chemical reaction that gives off heat
The path or orbit electrons follow around the nucleus of an atom
The physical matter of which living or nonliving things are composed
A change in matter that does not affect it's chemical composition
Interaction between molecules that causes a chemical change, converting an existing substance into a new substance
One of six elemental gasses that does not naturally react with other elements

Down

A process which nitrogen in the atmosphere enters the soil and becomes part of living organisms that eventually returns to the atmosphere
The ability to do work or cause change; can be changed into different forms and can move between objects
A material with a particular chemical makeup
A process that changes the properties of an element
To act because of something that happened
the smallest unit of an element that has the properties of that element

Chapter 3 Vocab Crossword 2019-04-02

Chapter 3 Vocab Crossword crossword puzzle

Across

A measure of how acidic or basic something is on a scale of 1-14 with 1 being most acidic, 7 being neutral, and 14 being most basic
The temperature at which any specific reaction or process is best carried out
The number of chemical conversions of the substrate molecules per second at a catalytic site for a given enzyme concentration
To prevent an enzyme from working in the normal manner
A molecule which speeds up a chemical reaction
The maximum rate of reaction when the enzyme is saturated with substrate
A region on an enzyme that binds to a protein or other substance during a reaction.
An enzyme that is attached to an inert, insoluble substance. Can provide increased resistance to changes in conditions

Down

The pH level at which a specific enzyme can work most effectively
What is left after the enzyme binds with the substrate
Operating within the cell
The inhibitor binds to the enzyme's active site and prevents the substrate from binding, stops the reaction from happening
Operating outside of the cell
A process that uses the conditions of one component to regulate the function of the other. It is done to either increase or dampen the change in the system.
An enzyme inhibitor which does not prevent the enzyme from functioning properly permanently
The minimum energy required to allow a certain chemical reaction to occur
Protein molecules that act as biological catalysts
The substance on which an enzyme acts
To alter the structure of a protein by breaking bonds
Something which prevents an enzyme from working in the normal manner

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

Cellular Energetics 2021-10-18

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cause or accelerate (a reaction) by acting as a catalyst
A substance produced during a natural, chemical, or manufacturing process
the cycle of chemical reactions performed by plants to “fix” carbon from CO2 into three-carbon sugars.
A substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Bind reversibly or irreversibly to the active site of the Enzyme.
a biochemical mechanism in plants by which chlorophyll absorbs light energy for photosynthesis.
Where the Calvin Cycle occurs.
catalyzes the synthesis of ATP from ADP and phosphate.

Down

a cluster of proteins that transfer electrons through a membrane within mitochondria to form a gradient of protons that drives the creation of adenosine triphosphate (ATP).
a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis.
The minimum quantity of energy which the reacting species must possess in order to undergo an specified reaction
An underlying substance or layer/the substance on which an enzyme acts
Where the light dependent reaction occurs.
A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other
Destroy the characteristic properties of (a protein or other biological macromolecule) by heat, acidity, or other effects that disrupt its molecular conformation.
a measure of how acidic/basic water is
the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water, Generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Energy

19 Clues: Energy • Where the Calvin Cycle occurs. • a measure of how acidic/basic water is • Where the light dependent reaction occurs. • catalyzes the synthesis of ATP from ADP and phosphate. • cause or accelerate (a reaction) by acting as a catalyst • Bind reversibly or irreversibly to the active site of the Enzyme. • ...

Photosynthesis and Cellular Respiration 2021-12-02

Across

a group of atoms bonded together
a substance that is part of a reaction
green stuff needed for photosynthesis
aka blue-green algae
where chemical energy is stored
cycle that is a sequence of reactions in cellular respiration
photosynthetic aquatic microorganism

Down

needed to sustain life; 2 hydrogens and 1 oxygen
living things too small to be seen
power house where cellular respiration happens
small holes absorb carbon dioxide
uses photosynthesis to make its own food
a substance formed after a reaction occurs
organelle that contains chlorophyll
part of a cell with a specific function
chemical reaction combines CO2, H2O, and sun

16 Clues: aka blue-green algae • where chemical energy is stored • a group of atoms bonded together • small holes absorb carbon dioxide • living things too small to be seen • organelle that contains chlorophyll • photosynthetic aquatic microorganism • green stuff needed for photosynthesis • a substance that is part of a reaction • part of a cell with a specific function • ...

Cell Processes 2020-11-04

Across

The chemical reaction that produces energy from the breakdown of glucose
Biochemical molecule important in cell structure and function
Specifically shaped section on an enzyme that chemically bonds to the substrate
Something that speeds up a chmical reaction
A form of respiration occurring when there is no oxygen present
Enzyme reaction joining together substrates
Another substance that may need to be present before an enzyme will act on a substrate

Down

First step of respiration breaking glucose to pyruvate producing 2 ATP
The substance on which an enzyme acts
The energy needed to start a chemical reaction
Another name for a co-enzyme, may be a vitamin or a mineral
Term given to the specific fit of an enzyme and its substrate
Point in a enzyme reaction where all available enzyme is in use
Use of chemicals or heat to destroy the active site of an enzyme
The building blocks of protein
Enzyme reaction splitiing apart substrates
Respiration in the presence of oxygen gives a high yield of ATP

17 Clues: The building blocks of protein • The substance on which an enzyme acts • Enzyme reaction splitiing apart substrates • Something that speeds up a chmical reaction • Enzyme reaction joining together substrates • The energy needed to start a chemical reaction • Another name for a co-enzyme, may be a vitamin or a mineral • ...

Chem vs Phys Change 2024-10-22

Across

The ability of a substance to undergo a chemical reaction with another substance
A change in a substance that does not change its molecules or identity, could be a change in state.
Something made by combining two or more materials. The materials keep their physical properties.
Any characteristic or quality that is measurable and describes how something is or looks.

Down

A process that involves rearrangement of molecules into new molecules.
A substance that is made during a chemical reaction.
A usually irreversible change involving a change in chemical properties, resulting in the formation of a new substance.
A substance that undergoes change during a chemical reaction.
Able to be undone.
A property that is observed when a substance undergoes a chemical change

10 Clues: Able to be undone. • A substance that is made during a chemical reaction. • A substance that undergoes change during a chemical reaction. • A process that involves rearrangement of molecules into new molecules. • A property that is observed when a substance undergoes a chemical change • ...

Cells 2018-02-11

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genetic material stored in the nucleus of eukaryotic cells
type of cell that has a nucleus, but NO cell wall
jelly like fluid that fills the cells interior
molecule required to break down glucose during cellular respiration
process used to by autotrophs to produce glucose
substances that are the result of a chemical reaction
small simple cell with NO nucleus
organelle where proteins synthesis (making)takes place
large organelle in plant cells for water storage
small structures inside cells with unique functions
selectively permeable outer layer of animal cell
cell organelle that holds and protects DNA

Down

complex type of cell that has membrane bound organelles
substances that go into a chemical reaction
gas absorbed by plants needed for photosynthesis
organelle where cellular respiration takes place
green pigment found inside chloroplast needed for photosynthesis
type of protein that can speed up a chemical reaction
plant cell organelle where photosynthesis takes place
molecule released for energy when glucose is broken down
simple carbohydrate produced in plants - source of energy
rigid outer structure made of cellulose in plant cells

22 Clues: small simple cell with NO nucleus • cell organelle that holds and protects DNA • substances that go into a chemical reaction • jelly like fluid that fills the cells interior • gas absorbed by plants needed for photosynthesis • organelle where cellular respiration takes place • process used to by autotrophs to produce glucose • ...

Unit 2 Vocab Review 2025-01-06

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the energy of motion
the monomer of carbohydrates that is used in cellular respiration
the organelle in cells where cellular respiration happens
the process through which food is broken down by breaking chemical bonds using enzymes and acids
when energy changes form (e.g. chemical to thermal)
a monomer of fats; there are 3 in one triglyceride molecule
a substance that is made during a chemical reaction
the energy associated with temperature
the monomer of proteins
the energy stored in chemical bonds

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the process cells use to generate energy from glucose
the carbohydrate that is hard to digest and goes to waste
a substance that goes through a chemical reaction
the process through which food is broken down physically (e.g. chewing)
anything with mass and takes up space
a monomer of fats
a large organic molecule such as a protein, carbohydrate or fat

17 Clues: a monomer of fats • the energy of motion • the monomer of proteins • the energy stored in chemical bonds • anything with mass and takes up space • the energy associated with temperature • a substance that goes through a chemical reaction • when energy changes form (e.g. chemical to thermal) • a substance that is made during a chemical reaction • ...

Chemical Equations And Reactions MA - Rudra Jasnani 2024-04-30

Chemical Equations And Reactions MA - Rudra Jasnani crossword puzzle

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The substances that undergo chemical change in the reaction and are written on the left side of the equation
This product is shown by an upward arrow
AgCl turns into this colour when in contact with sunlight
Corrosion of silver is also known as
The kind of decomposition reaction when decomposition takes place in presence of electricity
SO2 and SO3 are ____ in state
The process of oxidising of fats and oils which leds to change in their smell and taste

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Heat is absorbed in this reaction
Common Name for CaCO3
The Colour of copper oxide
The Gas that is formed at the Anode when electrolysis
In this reaction two or more reactants combine to form one product
The Pop test is used to test presence of this gas
The Reaction where Heat is PRODUCED
The substances that are at the end of a chemical reaction and are on the right side of a reaction
The number of electrons that an element has to lose or gain in order to achieve the configuration of the nearest noble gas

16 Clues: Common Name for CaCO3 • The Colour of copper oxide • SO2 and SO3 are ____ in state • Heat is absorbed in this reaction • The Reaction where Heat is PRODUCED • Corrosion of silver is also known as • This product is shown by an upward arrow • The Pop test is used to test presence of this gas • The Gas that is formed at the Anode when electrolysis • ...

vocab 2015-11-03

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a type of reaction in which multiple reactants combine to form a single product
a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent
states that matter cannot be destroyed or created
the state in which both reactants and products are present in concentrations which have no further tendency to change with time
a chemical reaction that occurs when a compound and an oxidant react to produce a new product and heat
equations that show only the soluble, strong electrolytes reacting and omit the spectator ions, which go through the reaction unchanged

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a type of oxidation-reduction chemical reaction when an element moves out of one compound and into another
a type of reaction that occurs when the cations and anions switch between two reactants to form new products
a type of chemical reaction in which a single compound breaks down into two or more elements or new compounds
equilibrium constant that applies to the dissolution of a slightly solule compound
a solution in which the solvent is water
all chemical reactions in which atoms have their oxidation state changed

12 Clues: a solution in which the solvent is water • states that matter cannot be destroyed or created • all chemical reactions in which atoms have their oxidation state changed • a type of reaction in which multiple reactants combine to form a single product • equilibrium constant that applies to the dissolution of a slightly solule compound • ...

chemical reactions 2020-12-17

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of conservation mass - the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.
- is a reaction in which a compound breaks down into two or more simpler substances
- are used in all chemical equations to show the relative amounts of each substance present
replacement - a chemical reaction in which one element is substituted for another element in a compound, generating a new element and a new compound as products.
bond - the interatomic linkage that results from the sharing of an electron pair between two atoms.

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- is the process by which one or more chemical reactions are performed with the aim of converting a reactant
- tell you the number of. atoms of that element
of a mole - equal to 6.02214179×1023 atoms, or other elementary units such as molecules.
- the species formed from chemical reactions.
replacement - reaction occurs when parts of two ionic compounds are exchanged, making two new compounds
bond - formed from the electrostatic attraction between oppositely charged ions in a chemical compound.
- a substance that takes part in and undergoes change during a reaction.

12 Clues: - the species formed from chemical reactions. • - tell you the number of. atoms of that element • - a substance that takes part in and undergoes change during a reaction. • - is a reaction in which a compound breaks down into two or more simpler substances • of a mole - equal to 6.02214179×1023 atoms, or other elementary units such as molecules. • ...

Chemical Reactions 2022-11-11

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a substance that takes part in and undergoes a change during a chemical reaction
method or means of changing one or more chemicals or chemical compounds
the smallest particle of an element; made of protons, neutrons, and electrons
physical and chemical characteristics of matter used to describe or identify a substance

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the process by which one or more substances change to produce one or more different substances
a solid that does not dissolve that is formed from a chemical reaction
materials made from one or more natural substances that undergo a chemical process
the simplest unit of a chemical compound that can exist
a new substance formed when two or more elements are chemically bonded during a chemical reaction
a substances made during a chemical reaction

10 Clues: a substances made during a chemical reaction • the simplest unit of a chemical compound that can exist • a solid that does not dissolve that is formed from a chemical reaction • method or means of changing one or more chemicals or chemical compounds • the smallest particle of an element; made of protons, neutrons, and electrons • ...

Photosynthesis Review 2020-12-07

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Another name for the Calvin Cycle
Where light dependent reaction takes place
Blue, violet, red, orange light is _______ by the chloroplast.
Scientist that discovered CO2 is needed for glucose
Cell with a nucleus and membrane bound organelles
The light independent reaction can take place in the light (true/false).
Molecule that sunlight breaks (blows) up into parts
Electron/Hydrogen ion energy for light independent reaction
Chemical formula for glucose
Cell without a nucleus and membrane bound organelles
Gas that goes into photosynthesis
Scientist that discovered plants produce oxygen
Where light independent reaction takes place
Can affect the rate of photosynthesis
Gas that is produced as waste during photosynthesis
Which ATP phosphate group is removed to release energy to the cell?
Stack of thylakoids
Uncharged chemical energy molecule
Uncharged electron/H energy carrier
Type of eukaryotic cell that does photosynthesis

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Where ATP stores its energy
Scientist that discovered plants need water
Macromolecule group of ATP
Charged chemical energy molecule
The light dependent reaction can take place in the dark(true/false).
Monomer of ATP
Best light color for photosynthesis (virtual lab)
Color of pigment in chloroplasts
Pigments are what type of macromolecule?
Organisms that can make their own food.
Organisms that cannot make their own food.
Leaves appear green because green light is ________.
Name of organelle that does photosynthesis
Scientist that discovered plants need light
How many membranes does a chloroplast have?
Sugar in ATP
Name of pigment in chloroplasts
Energy source for the light dependent reaction
Number of CO2 molecules needed to make one glucose

39 Clues: Sugar in ATP • Monomer of ATP • Stack of thylakoids • Macromolecule group of ATP • Where ATP stores its energy • Chemical formula for glucose • Name of pigment in chloroplasts • Charged chemical energy molecule • Color of pigment in chloroplasts • Another name for the Calvin Cycle • Gas that goes into photosynthesis • Uncharged chemical energy molecule • ...

Chapter 7.1 2024-10-17

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A characteristic of a substance that doesn't change.
What our design cannot or should not do. The Limits.
Feels Warm. Energy Exits the reaction system. Energy flows from the reaction system to the surroundings.
The original substances you start with before the chemical reaction occurs.
A homogeneous mixture composed of two or more substances
Best or ideal
Feels Cold. Energy enters the reaction system. Energy flows from the surroundings into the reaction system.
When individual water molecules on the surface of a liquid gain enough motion energy to leave the liquid and become a gas.
When water vapor becomes liquid.
The new substance that is produced from a chemical reaction.
When a liquid dissolves in a liquid, the solid breaks apart into particles too small to see and it mixes completely in the liquid.
A group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided.

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When something has the ability to dissolve.
Consequences. The many possible changes that happen as a result of making a planned change.
What a design needs to meet to be considered successful.
Made of one type of material throughout.
A systematic series of investigations planned to answer specific questions.
When one decision directly affects another decision, and you can’t do both things.
Substance made up of different elements joined together by a chemical bond
What holds atoms together in molecule
A physical model built to try out and test.
The work we do to make our solution the best or ideal.
Entities like people, groups or things that are impacted by design decisions.
A blend of two or more substances.

24 Clues: Best or ideal • When water vapor becomes liquid. • A blend of two or more substances. • What holds atoms together in molecule • Made of one type of material throughout. • When something has the ability to dissolve. • A physical model built to try out and test. • A characteristic of a substance that doesn't change. • What our design cannot or should not do. The Limits. • ...

Caleb Bagi/ Chapter 13 Crossword 2016-10-11

Caleb Bagi/ Chapter 13 Crossword crossword puzzle

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description of a chemical reaction in which there is a net release of energy
the new materials formed in a chemical reaction
the minimum energy required in order for a chemical reaction to proceed
any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
a rapid exothermic oxidation-reduction reaction between a material and molecular oxygen

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description of a chemical reaction in which there is a net absorption of energy
a representation of a chemical in which reactants are written to the left of a arrow that points toward the products on the right
the reacting substances in a chemical reaction

8 Clues: the reacting substances in a chemical reaction • the new materials formed in a chemical reaction • the minimum energy required in order for a chemical reaction to proceed • description of a chemical reaction in which there is a net release of energy • description of a chemical reaction in which there is a net absorption of energy • ...

Reactions 2024-06-18

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The law of _____________ of mass
A ________ change is when there are no new products made. For example; boiling water
The smallest part of an element
What is mass measured in?
A ________ reaction is when there are new substance made. For example; combustion
The _____ of reactants must equal the _____ of products
Breaking down 1 reactant into 2 products

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Substances that go into a chemical reaction
More that 1 type of atom together but NOT chemically bonded
Substances that are made in a chemical reaction
Reacting a fuel with oxygen
More than 1 type of atom chemically bonded together
Carbon _______ is formed during thermal decomposition
A substance made of only 1 type of atom

14 Clues: What is mass measured in? • Reacting a fuel with oxygen • The smallest part of an element • The law of _____________ of mass • A substance made of only 1 type of atom • Breaking down 1 reactant into 2 products • Substances that go into a chemical reaction • Substances that are made in a chemical reaction • More than 1 type of atom chemically bonded together • ...

Chemical Kinetics 13.1-13.3 2019-05-01

Chemical Kinetics 13.1-13.3 crossword puzzle

Across

a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
involves a change in some quantity over a period of time
this theory states that the greater the frequency and the greater the energy of collision between reactant particles, the greater the rate of reaction
On the basis of collision theory, the reaction rate for most reactions depend on the positioning of the molecules or their _____, when they collide
a reaction in which the products are lower in energy than the reactants has a negative delta(H) is known as _____ reaction
when molecules are thought to form a short-lived, high energy, unstable arrangement of atoms there are called _____ or transition state
the minimum energy required for a molecule to react

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one important factor that affects the rate of chemical reactions is ____
the study of rates of reactions and the pathway taken during the reaction
a reaction which products are higher in energy than the reactants has a positive delat(H) is an ______ reaction
the abbreviation for kinetic energy
the change in molar concentration divided by the time period for change
as temperature increases the kinetic energy ______
the temperature of a substance is proportional to the _____ kinetic energy

14 Clues: the abbreviation for kinetic energy • as temperature increases the kinetic energy ______ • the minimum energy required for a molecule to react • involves a change in some quantity over a period of time • the change in molar concentration divided by the time period for change • one important factor that affects the rate of chemical reactions is ____ • ...

Chapter 13 Crossword-Konner Sanford 2021-12-02

Chapter 13 Crossword-Konner Sanford crossword puzzle

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The breaking down of an atom in a chemical reation.
Increasing the consentration _______ the rate of change.
when reaction and it’s reverse act at
a substance that lowers the
Is zero acidic, basic, or neutral on the PH scale?

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How fast the concentration of reactants decreases and the concentration product increases.
The combining of atoms in a chemical reaction.
same rate.
energy of a chemical reaction, which
Is soap acidic, basic, or neutral on the PH scale?
for the reaction to proceed at a faster

11 Clues: same rate. • a substance that lowers the • energy of a chemical reaction, which • when reaction and it’s reverse act at • for the reaction to proceed at a faster • The combining of atoms in a chemical reaction. • Is soap acidic, basic, or neutral on the PH scale? • Is zero acidic, basic, or neutral on the PH scale? • The breaking down of an atom in a chemical reation. • ...

Chemistry crossword 2018-12-01

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mass number-atomic mass
H2O
mixtures
workplace hazardous materials information system
a table of chemical elements
air combine with metal
oxygen combines with a substance
reaction
burning
physical substance

Down

organic catalysts
groups
releases heat energy
mass
absorbs heat
charged atom
period
fire
shinny

19 Clues: H2O • mass • fire • groups • period • shinny • burning • mixtures • reaction • absorbs heat • charged atom • organic catalysts • physical substance • releases heat energy • air combine with metal • mass number-atomic mass • a table of chemical elements • oxygen combines with a substance • workplace hazardous materials information system

chemistry 2025-04-24

Across

attraction of molecules
smallest part of a substance
change does not change composition
branch of science
takes up space, weight
atoms bonded together
moves heat, work
come together to make new chemical
measure matter
change change composition

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property no chemical change
sped up, no chemical change
force that holds atoms together
releases heat
substance mixed
amount of space
absorbs heat
one atom, contains protons

18 Clues: absorbs heat • releases heat • measure matter • substance mixed • amount of space • moves heat, work • branch of science • atoms bonded together • takes up space, weight • attraction of molecules • change change composition • one atom, contains protons • property no chemical change • sped up, no chemical change • smallest part of a substance • force that holds atoms together • ...

C3.2 Energetics 2021-05-18

Across

the amount of energy that must be transferred to break a mole of a particular covalent bond
a reaction between an acid and a base or alkali, producing a salt plus water
a chart that shows the energy of the reactants and products in a chemical reaction
the minimum amount of energy needed for a reaction to start

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reaction in which a substance burns in oxygen
in a chemical reaction, anything that is not a reacting particle
the difference between the energy transferred from the surroundings to break bonds in the reactants, and the energy transferred from products when bonds form
describes a process in which there is an overall transfer of energy from the surroundings
describes a process in which there is an overall transfer of energy to the surroundings
the substance(s) formed in a chemical reaction
a substance that takes part in a chemical reactions

11 Clues: reaction in which a substance burns in oxygen • the substance(s) formed in a chemical reaction • a substance that takes part in a chemical reactions • the minimum amount of energy needed for a reaction to start • in a chemical reaction, anything that is not a reacting particle • a reaction between an acid and a base or alkali, producing a salt plus water • ...

Firefighters and chemical reactions 2023-06-19

Firefighters and chemical reactions crossword puzzle

Across

What can be used to put out a fire?
dioxide What gas is released when something burns?
What is fire an example of?
A change of state from a liquid to a gas
A change of state from a solid to a liquid
The amount of energy required to start a chemical reaction

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A chemical reaction which absorbs more energy than it releases
What is the device that makes a loud sound to warn about a fire called?
What is the opposite of "flammable"?
What tool do firefighters use to break through doors and walls?
What gas is required for fire?
What is the chemical symbol for water?
A chemical reaction which releases more energy than it absorbs

13 Clues: What is fire an example of? • What gas is required for fire? • What can be used to put out a fire? • What is the opposite of "flammable"? • What is the chemical symbol for water? • A change of state from a liquid to a gas • A change of state from a solid to a liquid • dioxide What gas is released when something burns? • ...

Biology 9 Chapter 6 2024-12-28

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A type of stored energy
The 5-carbon sugar found in ATP
A molecule that has lost a phosphate group
A nitrogen-containing compound found in ATP, RNA and DNA
A unit used to measure the amount of energy food contains
The type of energy needed to start a chemical reaction
A chemical that helps in a chemical reaction, but is not consumed or changed in the reaction

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The collection of the chemical reactions that occur in the cell
A condition of being greatly overweight
Cellular respiration occurs in this organelle of the cell
The energy of motion
A reactant molecule, the molecule on which an enzyme reacts
A genetic condition where a person has too much sugar in their blood

13 Clues: The energy of motion • A type of stored energy • The 5-carbon sugar found in ATP • A condition of being greatly overweight • A molecule that has lost a phosphate group • The type of energy needed to start a chemical reaction • A nitrogen-containing compound found in ATP, RNA and DNA • Cellular respiration occurs in this organelle of the cell • ...

Science Key terms 2017-01-23

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To act because of something that happened
A process that changes the properties of an element
the smallest unit of an element that has the properties of that element
A process which nitrogen in the atmosphere enters the soil and becomes part of living organisms that eventually returns to the atmosphere
The path or orbit electrons follow around the nucleus of an atom
A chemical reaction that absorbs heat energy

Down

A material with a particular chemical makeup
The physical matter of which living or nonliving things are composed
A change in matter that does not affect it's chemical composition
One of six elemental gasses that does not naturally react with other elements
The ability to do work or cause change; can be changed into different forms and can move between objects
Interaction between molecules that causes a chemical change, converting an existing substance into a new substance
chemical reaction that gives off heat

Life's Processes Vocabulary Work-Haridev Ezhilan-Period 2-Teacher Homan 2025-03-06

Life's Processes Vocabulary Work-Haridev Ezhilan-Period 2-Teacher Homan crossword puzzle

Across

the ability to do something.
Change change that happens without changing it's chemical compositition.
substance(s) produced by a chemical reaction.
Matter that cannot be destroyed or created, but only changed.

Down

a unit that is used to measure the energy in food.
Respiration A chemical reaction where organisms use oxygen and glucose to make ATP, carbon dioxide, and energy.
A type of sugar which is what carbohydrates break into.
substances(s) at the beginning of a chemical reaction.
A chemical reaction that plants use by using energy from the sun and carbon dioxide and water, to make glucose and oxygen.
A process is when substances go through a chemical change to change into a different substance.

10 Clues: the ability to do something. • substance(s) produced by a chemical reaction. • a unit that is used to measure the energy in food. • substances(s) at the beginning of a chemical reaction. • A type of sugar which is what carbohydrates break into. • Matter that cannot be destroyed or created, but only changed. • ...

Physical and Chemical Changes 2023-09-17

Physical and Chemical Changes crossword puzzle

Across

A state of matter in which the molecules are held tightly together
Elements are written as a chemical ________.
The release of condensed matter back to the ground: sleet, snow, hail or rain
Anything that has mass and takes up space.
The solid state of water
A ________ is a substance that is made by combing two or more elements.
The temperature at which a solid turns into a liquid is called the _______ point.
Compounds are written as a chemical ________.
Gasses do not have a definite ______.
The name given to the state of matter in which the particles can move about freely.
________ is the state of matter in where molecules take the shape of the container.

Down

A pure substance made of only one type of atom
When a gas is formed during a chemical reaction ____ form.
The temperature at which a liquid turns into a gas is called the _______ point.
The invisible force that pulls matter towards the center of major planetary bodies
Matter may exist is many _______ such as solid, liquid or gas.
The amount of space that matter occupies is referred to as _________.
A new solid that is formed by a chemical reaction.
Created when iron chemically reacts to oxygen.
A ________ reaction is an interaction of two or more molecules to create a chemical change.
The amount of matter that a substance contains is called ________.
The _________ point is the temperature at which a liquid becomes a solid
Features that include the color, mass, volume, density, etc. are called _______ properties.

23 Clues: The solid state of water • Gasses do not have a definite ______. • Anything that has mass and takes up space. • Elements are written as a chemical ________. • Compounds are written as a chemical ________. • A pure substance made of only one type of atom • Created when iron chemically reacts to oxygen. • A new solid that is formed by a chemical reaction. • ...

Chemistry in Science 8 2023-02-24

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a number that indicates the number of atoms in a compound formula
negative particle in an atom
building block of matter
the fourth state of matter
neutral particle in an atom
the change of a gas directly to a solid
the law of _____ of mass
substance to the right of the arrow in a chemical equation
mass per unit volume
starting substance in a chemical reaction
physical property that describes the ability of a substance to dissolve
one indication of a chemical change

Down

the amount of space something takes up
the amount of matter in an object
the change of a gas to a liquid
description of a reaction using chemical formulas
a change in which new substances form
anything that has mass and takes up space
a chemical equation that has the same number of atoms of each element on each side
a physical property that does not depend on the amount of matter present
a property of matter that you can observe without changing the identity of the matter
the change of a solid to a liquid
a number that changes the amount of a reactant or a product

23 Clues: mass per unit volume • building block of matter • the law of _____ of mass • the fourth state of matter • neutral particle in an atom • negative particle in an atom • the change of a gas to a liquid • the amount of matter in an object • the change of a solid to a liquid • one indication of a chemical change • a change in which new substances form • ...

Elements, Compounds, Mixtures, Molecules 2025-09-17

Elements, Compounds, Mixtures, Molecules crossword puzzle

Across

basic particle form which all elements are made
substance a sample of matter, either a single element or a single compound that has definite chemical and physical properties
A pure substance that cannot be broken down into any other substance by chemical or physical means
molecule 2 or more atoms from the same element bonded together
A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction
equation a representation of a chemical reaction uses symbols to show the relationship between the reactants and the products
mixture in which substances are evenly distributed (you cannot see the different parts)

Down

number written below chemical symbol that tells how many atoms that element is in the molecule
formula shows the elements in a compound and the set ratio of the atoms
anything that has mass and takes up space (volume)
mixture a mixture in which you can see the different parts
A substance produced in a chemical reaction
A chemical substance that is present at the start of a chemical reaction
molecule 2 or more atoms from different elements bonded together in a set ratio
2 or more substances mixed together but NOT chemically bonded

15 Clues: A substance produced in a chemical reaction • basic particle form which all elements are made • anything that has mass and takes up space (volume) • mixture a mixture in which you can see the different parts • 2 or more substances mixed together but NOT chemically bonded • molecule 2 or more atoms from the same element bonded together • ...

Changes of Matter Review 2023-10-31

Changes of Matter Review crossword puzzle

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a reaction that absorbs heat is a ___ reaction
the statue of liberty is rusting!!!! This is a chemical ____
my hair is blue is a physical ___
cracking an egg is a __ change
milk souring is a ___ change
a substance that speeds up a reaction

Down

a reaction that releases heat is a _____ reaction
a substance that slows down a reaction
an exothermic reaction will suddenly feel __
I added blue coloring to a beaker of water, this is a __ change
a beaker being heated and forming vapor is __ change
an endothermic reaction will suddenly feel ___

12 Clues: milk souring is a ___ change • cracking an egg is a __ change • my hair is blue is a physical ___ • a substance that speeds up a reaction • a substance that slows down a reaction • an exothermic reaction will suddenly feel __ • a reaction that absorbs heat is a ___ reaction • an endothermic reaction will suddenly feel ___ • ...

SCIENCE CROSSWORD 2025-03-09

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Law stating that mass is neither created nor destroyed.
Amount of energy needed to turn a solid into a liquid.
A process where gas immediately turns into solid, skipping the liquid phase.
Ability of a substance to catch fire and burn in the presence of oxygen.
A process where liquid phases into solid
Reaction that releases energy.
State of matter where molecules can move freely as they are very far away from each other.
A process where solid phases into liquid
A process where gas phases into liquid.
State of matter where molecules are still close together but need help developing their shape.
Substance that speeds up a chemical reaction.
The temperature where liquid turns into solid.
Connections between atoms in molecules that keep it together.
The temperature where liquid turns into vapor.

Down

High-energy state of matter made of ions and free electrons.
How much a liquid resist flow.
Solid that forms from a solution during a chemical reaction.
A process where liquid phases into gas.
A reaction where it completely changes the material of said product.
Amount of energy needed to turn a liquid to gas.
Ability of a substance to dissolve in a solvent.
Substances that will undergo change.
State of matter where molecules are packed tightly.
Reaction that absorbs energy.
A process where solid immediately phases into gas, skipping the liquid phase.
A property degree of consistency measured by the mass quantity per unit volume.
Change from one state of matter.
The new substance that was made from a reaction.
Process where a substance loses electrons.
Chemical process where a substance gains electrons.

30 Clues: Reaction that absorbs energy. • How much a liquid resist flow. • Reaction that releases energy. • Change from one state of matter. • Substances that will undergo change. • A process where liquid phases into gas. • A process where gas phases into liquid. • A process where liquid phases into solid • A process where solid phases into liquid • ...

GRADE 10 CHEMISTRY CROSSWORD 2024-10-20

GRADE 10 CHEMISTRY CROSSWORD crossword puzzle

Across

A bond formed when atoms share electrons (Hint: Non-metals are involved)
A reaction where two or more simple substances combine to form a more complex one (Hint: A + B → AB)
A reaction where a compound reacts with oxygen, producing heat and light (Hint: CH₄ + O₂ → CO₂ + H₂O)
A process that results in a change in appearance but not chemical identity
A bond formed by the transfer of electrons from a metal to a non-metal
The prefix used for naming a molecule with four atoms of the same element
The scale used to measure the acidity or basicity of a solution
The chemical formula for a compound with one carbon and four chlorine atoms
A reaction where parts of two ionic compounds switch places (Hint: AB + CD → AD + CB)
A substance that changes color in response to pH, like litmus paper
A subatomic particle found in the valence shell and key in bonding
The subatomic particle found in the nucleus that carries no charge
This law states that mass is conserved before and after a chemical reaction

Down

This molecule consists of two oxygen atoms and is essential for combustion and respiration
A reaction where a more reactive element displaces a less reactive one (Hint: A + BC → AC + B)
A reaction where a single compound breaks down into simpler products (Hint: AB → A + B)
The atomic number of an element corresponds to the number of these subatomic particles
A substance with a pH less than 7, such as vinegar
A formula that is not yet fully balanced
A common gas produced in combustion reactions that we exhale

20 Clues: A formula that is not yet fully balanced • A substance with a pH less than 7, such as vinegar • A common gas produced in combustion reactions that we exhale • The scale used to measure the acidity or basicity of a solution • A subatomic particle found in the valence shell and key in bonding • The subatomic particle found in the nucleus that carries no charge • ...

Chapter 2.3 - 2.5 Review 2022-10-14

Chapter 2.3 - 2.5 Review crossword puzzle

Across

the monomer of a nucleic acid
this is how many covalent bonds carbon can form with other atoms
carbohydrates are made of carbon, hydrogen, and ?
this element is the building block of life
energy needed to be absorbed to start a chemical reaction
this lipid has a ring structure
the arrow in a chemical reaction shows the ____ of the reaction
the enzyme present in your saliva
this is the amount of energy it takes to break a bond between two atoms
the smallest subunit in a polymer
this is the specific reactant that an enzyme acts on
examples are DNA & RNA
every enzyme's function depends on its ___
this polymer is made up of simple sugars
these are on the left side of a chemical equation
attracted to water
another name for R group
the monomer of lipids is fatty acids and ___

Down

activation energy can come from an increase in
every nucleotide includes a P group, a nitrogen base, and a ____
because the tails of a phospholipid do not have charged regions, they are ___
if a fatty acid has all single bonds, it is considered ____
a single fat molecule
in this reaction, more energy is released than absorbed
in an endothermic reaction, which side of the equation has a higher bond energy?
many simple sugars bonded together
this is another name for simple sugar
this is a catalyst for chemical reactions in living things
this is the monomer of proteins
this is the substrate that amylase acts on
if a reaction can go in both directions at the same time, it is ___

31 Clues: attracted to water • a single fat molecule • examples are DNA & RNA • another name for R group • the monomer of a nucleic acid • this lipid has a ring structure • this is the monomer of proteins • the enzyme present in your saliva • the smallest subunit in a polymer • many simple sugars bonded together • this is another name for simple sugar • ...

Chapter 19 & 20 2022-05-04

Across

A species that undergoes a decrease in oxidation state.
A substance that has the potential to cause another substance to be reduced.
Processes in which the oxidation state of an element decreases are reduction processes.
A process in which a substance acts as both an oxidizing agent and a reducing agent.
A single electrode immersed in a solution of its ions
Use spontaneous oxidation-reduction reactions to convert chemical energy into electrical energy. Voltaic cells are also called galvanic cells.
A conductor used to establish electrical contact with a nonmetallic part of a circuit, such as an electrolyte.
The electrode where reduction occurs.
Processes in which the atoms or ions of an element experience an increase in oxidation state.
The process of passing a current through a cell for which the cell potential is negative and causing an oxidation-reduction reaction to occur.
The part of the reaction involving oxidation or reduction alone.
This tendency for the half-reaction of either copper or zinc to occur
The electrode where oxidation occurs.

Down

The branch of chemistry that deals with electricity-related applications of oxidation-reduction reactions.
The potential of a half-cell under standard conditions measured relative to the standard hydrogen electrode.
If electrical energy is required to produce a redox reaction and bring about a chemical change in an electrochemical cell.
The difference in potential between an electrode and its solution.
Any chemical process in which elements undergo changes in oxidation number.
a reduction half-reaction in an electrochemical cell.
A substance that has the potential to cause another substance to be oxidized.
A species whose oxidation number increases.
An electrolytic process in which a metal ion is reduced and solid metal is deposited on a surface.

22 Clues: The electrode where reduction occurs. • The electrode where oxidation occurs. • A species whose oxidation number increases. • A single electrode immersed in a solution of its ions • a reduction half-reaction in an electrochemical cell. • A species that undergoes a decrease in oxidation state. • The part of the reaction involving oxidation or reduction alone. • ...

Chapter 1: Molecules in Cells (Part 3) 2013-07-09

Chapter 1: Molecules in Cells (Part 3) crossword puzzle

Across

a substance that increases the rate of a chemical reaction without itself being changed
a molecule that binds to the enzyme at the active site
a protein that reacts as a biological catalyst
site the location on an enzyme where a chemical reaction takes place
substance which can stop enzymes from functioning
enzyme inhibitor used as a chemical weapon

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enzyme from pancreas which digests fat
energy the energy required to start a chemical reaction
enzyme responsible for digesting lactose
the substance an enzyme acts upon
enzyme found in the stomach responsible for digestion of protein
a molecule that binds to the enzyme away from the active site

12 Clues: the substance an enzyme acts upon • enzyme from pancreas which digests fat • enzyme responsible for digesting lactose • enzyme inhibitor used as a chemical weapon • a protein that reacts as a biological catalyst • substance which can stop enzymes from functioning • a molecule that binds to the enzyme at the active site • ...

Chapter 5 Vocab 2024-10-18

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the measure of how acidic or basic a solution is, commonly using a number from 0 (acidic) to 14 (basic)
energy that is needed to get a reaction started
the transformation of one molecule(s) into another molecule(s) inside a cell
elements of compounds produced by a chemical reaction
a substance that keeps pH in the optimum range for useful reactions to occur.
elements or compounds that enter into a chemical reaction

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substance that slows down or prevents a biochemical reaction by blocking a substrate from binding to an active site
the part of an enzyme to which substrates bind
protein catalyst that speeds up the rate specific biological reactions
reactant of an enzyme-catalyzed reaction
point at which all of the active sites on a type of enzyme are filled with substrate
substrate that speeds up the rate of a chemical reaction
the ratio of the amount of a substance to the volume of the medium in which it is dissolved

13 Clues: reactant of an enzyme-catalyzed reaction • the part of an enzyme to which substrates bind • energy that is needed to get a reaction started • elements of compounds produced by a chemical reaction • substrate that speeds up the rate of a chemical reaction • elements or compounds that enter into a chemical reaction • ...

Stoich 2022-01-24

Across

two combine to make third
actual yield
contains reactants to balance equation
1mol=6.022x10^23
used to determine relative mass
contains excess and reactant
chemical reaction symbolic rep of chem reaction
transfer of electrons in reaction
percent mass of element
not completely in a reaction
average atomic mass
two change to make another compound
number of 1 mol of compound
insolable from two solutions
release energy on reaction
break up into two or more
6.022x10^23

Down

one replaces another
final part of chem reaction
ratio elements in compound
1 mole of gas at room temp and pressure
actual formula
acid reacts with base to produce water and salt
mass of 1 mol of compound
substance from start
max mass from reactants
used for completion
quantity consumed in reaction
conversion factor

29 Clues: 6.022x10^23 • actual yield • actual formula • 1mol=6.022x10^23 • conversion factor • average atomic mass • used for completion • one replaces another • substance from start • percent mass of element • max mass from reactants • two combine to make third • mass of 1 mol of compound • break up into two or more • ratio elements in compound • release energy on reaction • final part of chem reaction • ...

Stoich 2022-01-24

Across

two combine to make third
actual yield
contains reactants to balance equation
1mol=6.022x10^23
used to determine relative mass
contains excess and reactant
chemical reaction symbolic rep of chem reaction
transfer of electrons in reaction
percent mass of element
not completely in a reaction
average atomic mass
two change to make another compound
number of 1 mol of compound
insolable from two solutions
release energy on reaction
break up into two or more
6.022x10^23

Down

one replaces another
final part of chem reaction
ratio elements in compound
1 mole of gas at room temp and pressure
actual formula
acid reacts with base to produce water and salt
mass of 1 mol of compound
substance from start
max mass from reactants
used for completion
quantity consumed in reaction
conversion factor

Chemistry crossword 2015-11-13

Across

positively charged particle in the nucleus of an atom
vertical column of elements in the periodic table;elements in a family all have similar chemical properties;also called a group
catalyst involved in chemical reactions in living things
invisible negatively charged particle that orbits the nucleus of an atom
group 17 elements in the periodic table;the most reactive non-metals
element that has both metallic and non-metallic properties
description of a substance that can be pounded or rolled into sheets
horizontal row of elements in the periodic table
chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
substance that reacts with another substance or substances in a chemical reaction to create new substances with different properties
group of atoms joined by covalent bonds
atom that has become electrically charged because it has lost or gained electrons;a positive ion is an atom that has lost one or more electrons;a negative ion is an atom that has gained one or more electrons
positively charged centre of an atom;contains protons and neutrons

Down

ability to do work
neutral particle in a nucleus of an atom
combination of pure substances;unlike a compound,the components of a mixture do not combine chemically and are not always in the same ratio
amount of mass in a given volume of a substance
variations within a species
pure substance that cannot be broken down into other substances;substance made up of only one type of atom
new substances produced in a chemical reaction between reactants
the smallest part of an element that is representative of that element;a neutral particle made up of a nucleus containing protons and neutrons,and in which the number of electrons equals the number of protons
substance that helps a chemical reaction to proceed more quickly
shiny,malleable,ductile element that conducts electricity
chemical combination of two or more elements in a specific ratio
organic molecules made up of atoms of carbon,hydrogen and oxygen (ex,fats,oils and waxes);lipids are insoluble in water

25 Clues: ability to do work • variations within a species • group of atoms joined by covalent bonds • neutral particle in a nucleus of an atom • amount of mass in a given volume of a substance • horizontal row of elements in the periodic table • positively charged particle in the nucleus of an atom • catalyst involved in chemical reactions in living things • ...

Caleb Bagi/ Chapter 13 Crossword 2016-10-11

Across

description of a chemical reaction in which there is a net release of energy
the new materials formed in a chemical reaction
the minimum energy required in order for a chemical reaction to proceed
any substance that increases the rate of a chemical reaction without itself being consumed by the reaction
a rapid exothermic oxidation-reduction reaction between a material and molecular oxygen

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description of a chemical reaction in which there is a net absorption of energy
a representation of a chemical in which reactants are written to the left of a arrow that points toward the products on the right
the reacting substances in a chemical reaction

Chem Revision 2026-02-02

Across

use of chlorine to kill microorganisms
clumping of fine particles into larger ones
substance that dissolves another substance
substance that neutralises acids
safe to drink
substance that speeds up a reaction
substance that is dissolved
substance that produces hydrogen ions in water
mixture of solute and solvent
removal of insoluble solids using a filter
belonging to the same series
settling of particles by gravity
reaction forming salt and water
reaction with oxygen producing energy
–COOH group in acids
containing only single carbon–carbon bonds
compound with same molecular formula but different structure

Down

compound containing a hydroxyl group
group responsible for chemical properties
unsaturated hydrocarbon with a double bond
containing carbon–carbon double bonds
saturated hydrocarbon
chemical process that neutralises particle charges
electron-seeking particle
measure of acidity or alkalinity
compound containing only carbon and hydrogen
insoluble solid formed in solution
reaction where one atom is replaced
unwanted substance present
ability of a substance to dissolve
reaction where atoms add across a double bond
–OH group in alcohols
soluble base
substance that changes colour with pH

34 Clues: soluble base • safe to drink • –COOH group in acids • saturated hydrocarbon • –OH group in alcohols • electron-seeking particle • unwanted substance present • substance that is dissolved • belonging to the same series • mixture of solute and solvent • reaction forming salt and water • substance that neutralises acids • measure of acidity or alkalinity • settling of particles by gravity • ...

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