I
II
III
IV
V
100
The process in which a substance changes from a solid into a liquid.
What is melting?
100
The process in which a substance changes from a liquid to a solid.
What is freezing?
100
Process by which a liquid changes into a gas.
What is boiling?
100
Process by which the gas breaks free from the surface of the liquid.
What is evaporation?
100
Process by which a gas turns into a liquid.
What is condensation?
200
The two factors that determine whether a substance is classified as a solid, liquid, or gas.
What are volume and shape?
200
As this factor changes, the state of a substance will change.
What is temperature?
200
A mixture in which the particles of different substances are evenly distributed.
What is a solution?
200
A substance that dissolves other materials.
What is a solvent?
200
A substance that is dissolved by another substance.
What is a solute?
300
A type of solution that contains a small amount of a solute.
What is a dilute solution?
300
A type of solution that contains a large amount of a solute.
What is a concentrated solution?
300
A substance in which two or more elements are held together by a chemical bond.
What is a compound?
300
An attraction between the atoms in a compound.
What is a chemical bond?
300
A process by which new substances with new properties are formed.
What is a chemical reaction?
400
Type of chemical reaction in which more energy is given off than is taken in.
What is an exothermic reaction?
400
A chemical reaction in which more energy is required for the reaction than what is given off.
What is an endothermic reaction?
400
Used to show what is taking place in a chemical reaction.
What is a chemical equation?
400
The factor that determines how strong or weak an acid is.
What is how many hydrogen ions are released?
400
Methods by which you can increase the rate at which a substance dissolves?
What are increasing the surface area, increasing the temperature, and stirring?
500
List the four types of chemical reactions.
What are substances combine, substance breaks apart, one element replaces another, and substances switch places?
500
The table that lists a set of number that is used to measure the strength of acids and bases.
What is the pH scale?
500
The factor that determines how strong or weak a base is.
What is how many hydroxide ions are released?
M
e
n
u