Physical Sci: Physical and Chemical Changes

What kind of change is cutting paper?

• 
• 

How do we know if it is a chemical change?

• can be undone
• cannot be undone
• both
• none

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Is gatorade powder dissolving in water physical or chemical change?

• Physical 
• Chemical

Rust on an iron bar is an example of chemical change.

• True 
• False

Is the formation of the grand canyon a physical or chemical change?

• Physical 
• Chemical

Digesting your food is an example of 

• chemical change
• physical change

The melting of wax is an example of a

• chemical change
• physical change

Cutting a log in to small pieces is a chemical change.

• true
• false