Type
Crossword
Description

This is required to make, or break, bonds energy
This reaction takes in heat endothermic
This reaction puts out heat exothermic
These bond to make new products reactants
Reactants bond to make these products
An example of an exothermic reaction fire
An example of an endothermic reaction photosynthesis
Chemical ________________ show the reactants and products formulas
Elements that are chemically bonded form these compound
In endothermic reactions the products have _________ energy than the reactants more
In exothermic reactions the products have _______ energy than the reactants less
In exothermic reactions the temperature _________ increases
In endothermic reactions the ____________ decreases temperature
All chemical reactions require ________ energy activation

Endothermic and Exothermic Reactions Crossword

Type
Crossword
Description

This type of reaction gives off heat, to increase the temperature_________ Exothermic Reaction
This type of reaction takes in heat, to decrease the temperature _________ Endothermic Reaction
An example of an exothermic reaction is _________ Burning wood
An example of an endothermic reaction is __________ vinegar and baking soda
chemical reactions involve breaking ________ bonds
Chemical reactions involve forming new bonds on the ___________________ side products
It takes ____________ to break bonds energy
Energy is ____________ when new bonds form in the products released
In an exothermic reaction, it takes ________ energy to break bonds of the reactants less
In an endothermic reaction, it takes _______ to break bonds more
Chemical reactions occur when a ______ ____________ is formed through a reaction new substance
How can you remember what endothermic means? in means goes into something
How can you remember what exothermic means Exo means to exit, like exits heat

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

Thermochemistry Crossword Puzzle

Type
Crossword
Description

The study of heat transfer during chemical reactions and changes in state thermochemistry
The reaction or substance changing System
The molar heat of ___ is the amount of heat released when vapor condenses condensation
Energy in chemical bonds (3 words) ChemicalPE
Everything in the universe Surroundings
The law of ___ states energy cannot be created or destroyed (3 words) conservationofenergy
When the system gains heat the reaction is... Endothermic
When the system loses heat the reaction is... Exothermic
Known as "c" in equations (2 words) Specificheat
Amount of heat needed to increase the temperature of an object by 1 degree Celsius (2 words) Heatcapacity
Measurement of the heat flow into or out of the system Calorimetry
Insulated object used in calorimetry experiments Calorimeter
(H) ΔH measures the change in this Enthalpy
A chemical equation that includes the enthalpy change as either a reactant or product Thermochemical
Known as ΔH (3 words) Heatofreaction
Heat of reaction for burning one mole of a substance (3 words) Heatofcombustion
The molar heat of ___ is theheat absorbed by a solid object as it melts fusion
The molar heat of ___ is the heat lost by one mole when a liquid solidifies solidification
The molar heat of ___ is the amount of heat needed to vaporize a liquid vaporization
The change in H caused by dissolution (4 words) Molarheatofsolution
(q) Always flows from warm to cold Heat

chapter 14 crossword puzzle

Type
Crossword
Description

The substance that forms in a chemical reaction. Product
A substance or moleclue that parcipitates in chemical reactions. Reactant
A representation of a chemical reaction that uses symbols. Chemical equation
A combination of chemical symbols and numbers to represent a substance. Chemical formula
A chemical reaction that requires heat. Endothermic reaction
A chemical reaction in which heat is released to surroundings. Exothermic reaction
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. Catalyst
A multiplier of factor that measures some property. Coefficient

Chemical Reaction Crossword

Type
Crossword
Description

A Process In Which One Or More Substances Change To Make One Or More New Substances Chemical Reaction
A Shorthand Way To Use Chemical Symbols And Numbers To Represent A Substance Chemical Formula
Uses Chemical Symbols And Formulas As A Shortcut To Describe A Chemical Reaction Chemical Equation
The Starting Materials In A Chemical Reaction Reactants
Substacnes Formed From A Reaction Products
A Reaction In Which Two Or More Substances Combine To Form One New Compound Synthesis Reaction
A Chemical Reaction In Which Heat Is Released To The Surroundings Exothermic Reaction
A Chemical Reaction That Requires Heat Endothermic Reaction
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 WIth Out Being Used Up Or Changed Very Much Catalyst

Chemical Reactions Crossword

Type
Crossword
Description

The substance that forms in a chemical reaction Product
A chemical reaction in which heat is released to the surroundings Exohermic reaction
The minimum amount of energy required to start a chemical reaction Activation energy
A chemical reaction that requires heat Endothermic reaction
A substance or molecule that participates in a chemical reaction Reactant
The law that states that energy cannot be created or destroyed but can be changed from one form to another lce
A representation of chemical reaction that uses symbols to show the relationship between the reactants and the products Chemical Equation
A substance that slows down or stops a chemical reaction Inhibitor
A combination of chemical symbols and numbers to represent substance Chemical formula
A substance that changes the rate of a chemical reaction without being used up or changed very much catalyst

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

Macromolecules Crossword

Type
Crossword
Description

a subunit of a complete molecule? monomer
a large molecule, or macromolecule, made of many monomers bonded together polymer
a molecule composed of carbon, hydrogen, and oxygen, includes sugars and starches carbohydrate
nonpolar molecules, includes fats, oils, and cholesterol lipid
chains of carbon atoms bonded to hydrogen atoms, saturated or unsaturated fatty acids
a polymer made of monomers called amino acids protein
molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur amino acids
a polymer made of monomers called nucleotides, DNA and RNA are genral types of nucleic acids nucleic acid
a substance that is changed by a chemical reaction reactant
substance formed by a chemical reaction product
condition in which reactants and products of a chemical reaction are formed at the same rate equilibrium
chemical reaction that yeilds a net release of energy in the form of heat exothermic
chemical reaction that requires a net input of energy endothermic
a substances that decreases the activation energy needed to start a chemical reaction and, therefore, increases the rate of the chemical reaction catalyst
catalysts for chemical reactions in living things enzyme
a specific reactant that an enzyme acts on substrate

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

Chemical Reactions Word Search

Type
Word Search
Description

activation energy
exothermic
endothermic
formula
combustion
equation
precipitate
product
reactant
displacement
indicator
decomposition
conservation
single
double
chemical reaction
synthesis
neutralisation