Physical and Chemical Change

When you crush a can, is it a physical or chemical change?

• Physical change
• Chemical change

A chemical reaction that can cause damage to metals.

True or False
A chemical change cannot be undone.

• True
• False

Is the freezing of water physical or chemical change?

• Physical change

• Chemical change

When a gas becomes a liquid.

• Melting
• Sublimation
• Evaporation
• Condensation

Match the following:

• Change in shape or size

• Chemical Change

• Example of Physical Change

• Ice turns to water

• When a new substance is formed

• Physical Change

• Example of Chemical Change

• Meat rotting

Process of obtaining energy from food is:

• Corrosion

• Physical change

• Photosynthesis

• Cellular respiration

Is rusting of iron a physical or chemical change?

• Physical change

• Chemical change

When you dissolve sugar in water, is it a physical or chemical change?

• Physical change

• Chemical change

True or False
Burning wood is a chemical change.

• True

• False