Physical and Chemical Change

Cutting paper (physical or chemical change?)

• Physical Change

• Chemical Change

Decaying materials (physical or chemical change?)

• Physical Change

• Chemical Change

_ _ _ _ _ _ _ is a phase change that goes from solid to liquid when heat is applied to a substance.

Boiling water (identify which phase change)

• Evaporation

• Melting

• Sublimation

• Freezing

• Deposition

What BEST describes a chemical change?

• It can be reversable

• No new substance is formed

• change in the nucleus of an atom

• Examples: Cutting, Stretching, Tearing etc

What are the examples of physical change?

• Fruits ripening

• Breaking glass

• Rusting of iron

• Baking a strawberry shortcake

_ _ _ _ _ _ _ _ _ _ _ is a phase change that goes from Gas to Liquid

Which 2 of these examples are a chemical change?

• 
• 
• 
• 

Which of the following describes a sublimation?

• It goes from liquid to solid

• It goes from gas to liquid

• it goes from solid to gas

• It goes from gas to solid

_ _ _ _ _ _ _ _ _ _ Is a phase change that goes from Gas to Solid without going to a liquid state first