Physical and Chemical Changes

Front

What is a solid?

Back

A state of matter that has a definite shape and volume.

Front

What is a liquid?

Back

A state of matter that has a definite volume but takes the shape of its container.

Front

What is a gas?

Back

A state of matter that has no definite shape or volume and spreads out to fill its container.

Front

What is a physical change?

Back

A change in size, shape, or state of matter that does not create a new substance.

Front

What is a chemical change?

Back

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

Front

What is an example of melting?

Back

Heating a block of ice until it all turns to water.

Front

What is an example of freezing?

Back

Cooling water in the freezer until it becomes solid.

Front

What is an example of evaporation?

Back

When water heats up and turns into vapor.

Front

What is an example of condensation?

Back

When water vapor cools and turns back into liquid water.

Front

What is a chemical reaction?

Back

Another name for a chemical change where substances combine or break apart.