Physical and Chemical Changes in Matter Unit 2 Review

Front

What is solubility?

Back

The ability of a substance to form a solution with another substance, the solvent.

Front

Describe a solute.

Back

A solute is the substance that gets dissolved in a solution.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.

Front

What is a solution?

Back

A solution is a type of mixture that forms when one substance dissolves in another.

Front

What is a solvent?

Back

A solvent is the substance in a solution that dissolves the solute.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the components are uniformly distributed.

Front

What happens during melting?

Back

During melting, a solid changes into a liquid as it absorbs heat.

Front

What happens during freezing?

Back

During freezing, a liquid changes into a solid as it loses heat.