Chemical and Physical Changes Lesson

Physical and Chemical Changes

Multiple Choice

When does a physical change occur?

• when molecules combine to form a compound

• when a new element is created

• when the size, shape, or state of matter changes

• when elements combine to form a molecule

Multiple Choice

Which is an example of a physical change?

• Baking a cake

• cutting paper

• wood burning

• fireworks exploding

Multiple Choice

Which is an example of a chemical change?

• breaking an egg

• splitting a log into 2 pieces

• mixing vinegar and baking soda

• cutting a shirt into pieces

Multiple Choice

Which two answers are key words that describe a physical change?

• Burning

• Dissolving

• Melting

• Ashes

Multiple Choice

Water freezes to make snow

• Physical

• Chemical

Multiple Choice

A cake baking

• Physical

• Chemical

Multiple Choice

Food is digested

• Physical

• Chemical

Multiple Choice

A puddle of water evaporates

• Chemical

• Physical

Multiple Choice

Lighting a match

• Physical

• Chemical

Multiple Choice

Burning your toast

• Physical

• Chemical

Multiple Choice

Iron Rusting

• Physical

• Chemical

Multiple Choice

Which type of change is irreversible?

• Chemical Change

• Physical Change

Multiple Choice

Which type of change is reversible

• Physical

• Chemical