Physical and Chemical Changes

Front

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

Back

True

Front

What state of matter always keeps its shape?

Back

Solid

Front

True or False: When changing a liquid to a solid thermal energy is removed for freezing.

Back

True

Front

What is a change in size, shape, or matter that does not create something new?

Back

Physical change

Front

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

Back

Gas

Front

What is a chemical change?

Back

A process where substances combine or break apart to form new substances.

Front

What is an example of a physical change?

Back

Melting ice into water.

Front

What happens to the molecules in a solid when it is heated?

Back

They gain energy and may start to move more freely.

Front

What is the process of a gas turning into a liquid called?

Back

Condensation.

Front

What is an example of a chemical change?

Back

Burning wood.