Identify whether each example represents a physical or chemical change.

Question

[Title] Physical Change Chemical Change
Popping a balloon

Crumpling a piece of paper

Baking a cake

Dying hair

Ice melting

Bubbles forming in a glass of soda

Paint fading

Burning of Gasoline

Folding aluminum foil

Answer 1

Here's the classification of each example as either a physical or chemical change:

| Title | Physical Change | Chemical Change | |---------------------------------------|---------------------|---------------------| | Popping a balloon | ✓ | | | Crumpling a piece of paper | ✓ | | | Baking a cake | | ✓ | | Dying hair | | ✓ | | Ice melting | ✓ | | | Bubbles forming in a glass of soda | ✓ | | | Paint fading | ✓ | | | Burning of gasoline | | ✓ | | Folding aluminum foil | ✓ | |

In summary:

• Physical changes involve changes in form or appearance but not in chemical composition.
• Chemical changes involve a change in the substance's chemical composition, resulting in the formation of new substances.