Chemical and Physical Changes Test

Front

Identify the photo as either a chemical or physical change

Back

chemical change

Front

Identify the photo as either a chemical or physical change

Back

physical change

Front

Identify the photo as either a chemical or physical change

Back

physical change

Front

What action causes a chemical change to a balled up piece of paper? Options: burn it, tear it, write on it, flatten it.

Back

burn it

Front

Which of the following changes could be associated with either a chemical change OR a physical change? Options: the change cannot be reversed, bending of metal, new substances formed, change in color

Back

change in color

Front

Which of these involves only a physical change?

• baking a cake
• a bicycle rusts
• adding sugar to tea
• a banana turns brown

Back

adding sugar to tea

Front

Physical changes are often a simple ____________ change, such as water evaporating.

Back

phase

Front

Chemical changes involve the formation of __________ products such as gas, light, or heat.

Back

new

Front

Chemical changes are not easily __________.

Back

reversed, reversible

Front

How did Josh know that a chemical reaction occurred when he mixed vinegar with baking soda?

Back

the formation of a gas