Remember that if a physical change is occurring the matter stays the same but changes forms somehow. In chemical changes, new matter results. Identify each of the following examples as chemical or physical changes.(6 points)

Question

Physical Change Chemical Change
Mowing Grass
Melting Copper
Boiling an Egg
Tearing Paper
Burning a Match
Bending Aluminum

Answer 1

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

Physical Change:

1. Mowing Grass
2. Melting Copper
3. Tearing Paper
4. Bending Aluminum

Chemical Change:

1. Boiling an Egg
2. Burning a Match

In summary:

• Physical changes involve changes in form or state without altering the chemical composition.
• Chemical changes result in the formation of new substances with different chemical properties.