Physical and Chemical Changes

Front

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

Back

Chemical change

Front

Why is ice melting a physical change?

Back

Nothing new was created, there was only a change in the state of the matter.

Front

What is another name for a chemical change?

Back

Chemical reaction

Front

What state of matter takes the shape of the container it's in?

Back

Liquid

Front

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

Back

False

Front

What is a physical change?

Back

A change that does not create a new substance, only changes the form or appearance.

Front

What is a chemical change?

Back

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

Front

Give an example of a physical change.

Back

Melting ice, boiling water, or breaking a glass.

Front

Give an example of a chemical change.

Back

Rusting of iron, burning wood, or baking a cake.

Front

What happens to the molecules during a physical change?

Back

The molecules rearrange but do not change their chemical structure.