Physical and Chemical Changes

A substance that undergoes a physical change, like melting, is still the same substance.

• True
• False

During a chemical change, atoms are lost or gained to make the new substance(s).

• True
• False

Dissolving, bending, crushing, breaking, and chopping are all examples of physical changes.

• True
• False

A change of state, such as boiling, is an example of a chemical change.

• True
• False

Most physical and chemical changes in matter include a change in energy.

• True
• False

When hydrogen peroxide is poured on skin, it breaks down into water and oxygen gas. This is an example of a chemical change.

• True
• False

Baking chocolate cupcakes is a ____________ change.

• chemical
• physical

Rust forming on an iron nail is a ____________ change.

• chemical
• physical

Breaking a glass bottle is a ____________ change.

• chemical
• physical

Grilling a piece of fish is a ____________ change.

• chemical
• physical