Physical and Chemical Changes

Front

What is a change in matter that forms a new substance?

Back

Chemical change

Front

What state of matter spreads apart or squeezes together to fit into a space?

Back

Gas

Front

True or False: When changing a liquid to a gas thermal energy is added for boiling.

Back

True

Front

What is an example of a liquid turning into a gas?

Back

Boiling water to produce steam.

Front

What is an example of melting?

Back

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

Front

What is a physical change?

Back

A change that does not form a new substance, such as melting or freezing.

Front

What is a chemical change?

Back

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

Front

What happens to the molecules in a solid when it melts?

Back

The molecules gain energy and move apart.

Front

What is condensation?

Back

The process of a gas turning into a liquid.

Front

What is an example of a chemical change?

Back

Rusting of iron.