Chemical and Physical Changes Test

Identify the photo as either a chemical or physical change

Identify the photo as either a chemical or physical change

Identify the photo as either a chemical or physical change

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

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

Which of these involves only a physical change?

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

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

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

Chemical changes are not easily __________.

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