Physical and Chemical Changes

Front

What is another name for a chemical change?

Back

Chemical reaction

Front

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

Back

True

Front

Which of these items would most likely rust?

Back

Iron or steel items

Front

What state of matter always keeps its shape?

Back

Solid

Front

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

Back

Physical change

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 during a chemical change?

Back

They rearrange to form new substances.

Front

What is an example of a chemical change?

Back

Burning wood.

Front

What is the difference between a physical change and a chemical change?

Back

Physical changes do not create new substances, while chemical changes do.