Type
Crossword
Description

a change in size shape or phase physical
chemical changes create ___ substances new
rusting is a ____ change chemical
sometimes created when two liquids mix and chemically react precipitate
a product of baking soda and vinegar carbon dioxide
evidence of a chemical reaction fizzing
the ____ between molecules break during a chemical reaction bonds
the study of the properties of matter chemistry
a __ shows the number of atoms of an element in a molecule subscript
when the number of atoms are equal on both sides of the equation balanced
materials at the beginning of an equation products
materials created after the reaction reactants
____ ice is a physical change melting

chemical equations and reactions Crossword

Type
Crossword
Description

_________ are shown to the right of the arrow Products
What does the arrow mean in a chemical equation? yields
________ are shown on the left of the arrow Reactants
a tool used to determine if a chemical reaction is balanced or unbalanced atom inventory
burning wood, rust, campfire are examples of a __________ __________ Chemical Reaction
when the total mass of the reactant is equal to the mass of the product the equation is _________ balanced
We can balance an equation by adding a _____________ in front of a formula coefficient
you may never change the __________ of a formula subscript
Law of ________ of mass conservation
T__________ C________ is a sign of a chemical reaction Temperature Change

Chemical Reactions Crossword

Type
Crossword
Description

A process during which chemical bonds between atoms are broken and new ones are formed. Producing one or more different substances. Chemical Reaction
The starting materials in a chemical reaction. Reactant
The new substances that are formed in a chemical reaction. Product
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products. Chemical Equation
Tells how many atoms, molecules, or formula units take part in a reaction. Coefficient
Tells how many atoms of an element are contained in one molecule or formula unit. Subscript
Energy is released. Exothermic Reaction
Energy is absorbed Endothermic Reaction
A condition in which different elements are equal or in the correct proportions. There are three types of visual balance: symmetry, asymmetry, and radial. Balance
A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light. Combustion Reaction
A chemical reaction that occurs when a substance reacts with oxygen, releasing energy in the form of heat and light combustion reaction A chemical reaction in which two or more reactants combine to produce a single product. Synthesis Reaction
A reaction in which a single compound breaks down to form two or more simpler substances. Decomposition Reaction
Chemical reaction in which one element replaces another element in a compound. Single-displacement Reaction
A reaction in which a gas, a solid precipitate, or a molecular compound forms from the exchange of ions between two compounds. Double-displacement Reaction
A solid that forms from a solution during a chemical reaction. Precipitate
A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust. Oxidation
Any process in which electrons are added to an atom or ion. Reduction
A substance that initiates or accelerates a chemical reaction without itself being affected. Catalyst

Chemistry Crossword Puzzle

Type
Crossword
Description

The scientific study of the structure, properties, and reactions of the chemical elements and the compounds they form: Chemistry
Law of Conservation and ________: MASS
A formula that shows what elements are in a compound and what it will become: Chemical Formula
More than one substances turning into other substances. Chemical Reaction
Substances that react. Reactants
Substances that are made: Product
Numbers in front of each substance in a equation: Coefficient
Pure substance found on the periodic table: Element
A type of matter with a fixed composition: Substance
A substance in which the atoms of 2 or more elements are combined: Compound
a physical property defined as the mass of a given substance divided by its amount of substance: Molar mass
the amount of matter of an object mass
a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data: Stoichiometry
A unit of measurement for quantifying atoms and molecules: mole
The best chemistry teacher: Mrs. Alexander

Chemical Reactions Crossword

Type
Crossword
Description

A chemical reaction that requires heat Endothremic
The law that states that energy cannot be created or destroyed but can be change another LCE
The minimum amount of energy required to start a chemical reaction Activation Energy
A substance that slows down or stops a chemical reaction Inhibitor
A substance that changes the rate of a chemical reaction without being used up or changed very much Catalyst
A chemical reaction in which heat is released to the surroundings Exothermic
A combination of chemical symbols and numbers to represent a substance Chemical Formula
A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products Chemical Equation
A substance or molecule that participates in a chemical reaction Reactant
The substance that forms in a chemical reaction Product
2 or more substances combine to form a new compound Synthesis
A compound decomposes into 2 or more simpler substances Decomposition
1 element replaces another element in a compound Single Replacement

Chemical Reactions/Law of Conservation Word Search

Type
Word Search
Description

Activation
Aqueous
Atom
Chemical Bond
Chemical Equation
Chemical Reaction
Coefficient
Combustion
Concentration
Double Replacement
Energy
Excess Reactant
Exothermic
Gas
Heated
Isolated Systems
Law of Conservation
Limiting Reactant
Liquid
Molecule
Precipitate
Product
Reactant
Single Replacement
Solid
Subscript
Transformations

CHEMICAL REACTIONS Crossword

Type
Crossword
Description

A description of a change in which a system absorbs energy from its surrounding. ENDOTHERMIC
A description of a change in which a system releases energy to its surrounding. EXOTHERMIC
A substance that undergoes change in a chemical reaction. REACTANT
New substances formed as a result of a chemical reaction. Products
A chemical reaction in which two or more substances react to from a single substance. Synthesis Reaction
A chemical reaction in which a compound breaks down into two or more simpler substances. Decomposition Reaction
A chemical reaction in which one element takes another elements place in a compound. Single-replacement Reaction
A chemical reaction in which two compound exchange positive ions and form two new compounds. Double-replacement Reaction
The rate at which reactants change into products over time. Reaction Rate
A chemical reaction in which a substance reacts rapidly with oxygen, often producing heat and light. Combustion Reaction
A chemical reaction in which electrons are transferred from one reactant to another. Oxidation-reduction Reaction
The action or fact of making a specified thing smaller or less in amount, degree, or size. Reduction
A substance to be deposited in solid form from a solution. Precipitate
A substance that affects the rate of a chemical reaction without being used up in the reaction. Catalyst
Numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product. Coefficients
A representation of a chemical reaction in which the reactants and products are expressed as formulas. Chemical Equation
A state in which the forwards and reverse paths pf a physical or chemical change take place at the same time. Equilibrium

Chemistry Review Crossword

Type
Crossword
Description

A change in matter that produces new substances with new properties. (2words) chemicalreaction
New substances produced in a chemical reaction. products
Substances that react together in a chemical reaction. reactants
A system for organizing elements into columns and rows based on their properties. (2words) periodictable
Rows in the periodic table. period
Columns in the periodic table. family
A group of letters and subscript numbers that represent the make-up of a chemical compound. (2words) chemicalformula
An atom that has an electrical charge, either positive or negative. ion
A compound that forms between a metal and a non-metal after electrons are transferred. ionic
A compound that forms between non-metals as they share electrons. molecular
A subatomic particle found in the nucleus of an atom. It has no charge. neutron
A positively charged subatomic particle found in the nucleus of the atom. proton
A negatively charged subatomic particle that orbits the nucleus of an atom. electron
Refers to either the outer orbital of an atom or the electrons found in the outer shell. valence
A reaction in which two or more reactants combine to produce a new product. synthesis
A reaction in which one compound breaks down into two or more simpler compounds. decomposition
A reaction in which one element takes the place of another element in a compound. (2words) singledisplacement
A reaction in which the metal ions of two different compounds exchange places. (2words) doubledisplacement
The smallest unit of an element. atom
A compound that tastes sour, corrodes metal and tissue, and turns blue litmus paper red. acid
A substance that changes colour when added to an acid or a base. indicator
A compound that tastes bitter, feels slippery, corrodes tissue, and turns red litmus paper blue. base
The number in front of a product or reactant in a balanced chemical equation. coefficient
Ability to conduct (transfer) electricity. conductivity
Law describing the fact that the total mass and number of atoms is the same before and after a reaction. (3words) conservationofmass
A reaction between an acid and a base that produces salt and water. neutralization
Elements on the left side of the periodic table. They are malleable, shiny, conductive, and solid at room temperature. metals
Elements on the right side of the periodic table. They are not malleable, not conductive, and exist in a number of states at room temperature. nonmetals
A pure substance that cannot be broken down. element
A pure substance that contains two or more different elements. compound

Chemical Equations and Reactions Crossword

Type
Crossword
Description

a trend or fact that indicates something indicators
a type of reaction that exchanges one or more hydrogen atoms acid-base
matter that has a specific composition and specific properties substance
a process that involves rearrangement of the molecular or ionic structure chemical reaction
a substance consisting of atoms which all have the same number of protons element
a basic unit of a chemical element atoms
an irreversible chemical reaction involving the rearrangement of the atoms chemical change
a chemical reaction that releases heat exothermic
not man-made natural
substance that speeds up a chemical reaction, but is not consumed by the reaction product/ a substance formed by a chemical change taste/ sensation of flavor in the mouth covalent/ relating to the chemical bonds between atoms temperature/ the degree of something matter/ anything that has mass or takes up space heat/ a form of energy that flows between matter due to their difference in temperature compounds/ a substance formed when two or more chemical elements are chemically bonded together ions/ an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons smell/ detect the odor or scent of something equations/ a written representation of a chemical reaction balancing/ making both sides have the same quantity molecule/ the smallest particle in a chemical element or compound endothermic/ requiring the absorption of heat color/ a pigmentation create/ to make something bonds/ the rearrangement of electrons in two atoms that causes atoms to be bound to each other subscript/ type of lettering written lower than the numbers or things around it and shows the number of atoms in a molecule coefficient/ a number placed before a reactant in a chemical equation catalyst
a substance formed by a chemical change product
sensation of flavor in the mouth taste
relating to the chemical bonds between atoms covalent
the degree of something temperature
anything that has mass or takes up space matter
a form of energy that flows between matter due to their difference in temperature heat
a substance formed when two or more chemical elements are chemically bonded together compounds
an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons ions
to detect the odor or scent of something smell
a written representation of a chemical reaction equations
making both sides have the same quantity balancing
the smallest particle in a chemical element or compound molecule
requiring the absorption of heat endothermic
a pigmentation color
to make something create
the rearrangement of electrons in two atoms that causes atoms to be bound to each other bonds
type of lettering written lower than the numbers or things around it and shows the number of atoms in a molecule subscript
a number placed before a reactant in a chemical equation coefficient

Chemistry Vocabulary Crossword

Type
Crossword
Description

A type of matter with a fixed composition. Substance
Mixture in which different materials can easily be distinguished. Heterogeneous Mixture
Contains 2 or more gases, liquids, or solids substances blended evenly. Homogeneous Mixture
Explanation of how particles in matter behave. Kinetic Theory
Amount of energy required for a liquid to become a gas. Heat of Vaporization
Attraction formed when elements share electrons. Covalent Bond
A neutral molecule that forms as a result of electron sharing. Molecule
Substances that react. Reactants
Substances that are made. Products
More than one substances turning into other substances. Chemical Reaction
Numbers in front of each substance in a equation. Coeffecients
A formula that shows what elements are in a compound and what it will become. Chemical Formula
Force that holds atoms together in a compound. Chemical Bond
Force of attraction between opposite charges. Ionic Bond
Attraction formed when elements share electrons. Covalent Bond

Chemical Formulas and Chemical Reactions Crossword

Type
Crossword
Description

representation of what elements a compound contains and the exact number of the atoms of each elements in a unit of the compound Chemical Formula
a change in which one or more substances are converted into new substances while energy is released or absorbed Chemical Reaction
a way to describe a chemical reaction using chemical formulas and other symbols Chemical Equation
the chemicals presented before a reaction Reactants
the new chemicals presented after a reaction Products
a number that represents the number of units of each chemical taking part in a reaction Coefficient
means "written below" Subscript
the amount of valence electrons gained or lost between metals and nonmetals to become stable Oxidation Number
when water is the solvent for a reaction aqueous
an insoluble compound that comes out of solution during a double-displacement reaction precipitate
a chemical reaction that absorbs energy primarily in the form of heat endothermic
a reaction in which the energy released is in the form of heat exothermic
a reaction that occurs when a substance reacts with oxygen to release energy in the form of heat and light combustion reaction
a chemical reaction in which two or more substances combine to form another substance synthesis reaction
a chemical reaction in which one substance breaks down into two or more substances decomposition reaction
a chemical reaction in which one element replaces another element in a compound single-displacement reaction
a chemical reaction in which the positive ion of one compound replaces the positive ion of another compound double-displacement reaction