Question: Choose your answer.

The sound, light, and heat that a firecracker produces are originally stored as which type of energy?

OPTIONS:
- nuclear energy
- chemical energy
- electrical energy
- mechanical energy
My Answer: chemical energy

Question: Choose your answer.

What do plants take from the air that helps them make food?

OPTIONS:
- oxygen
- nitrogen
- carbon dioxide
- hydrogen peroxide
My Answer: carbon dioxide

Question: Choose your answer.

Why should scientists wear goggles during experiments?

OPTIONS:
- to block out bright sunlight
- to magnify small objects
- to protect their eyes
- to see in the dark
My Answer: to protect their eyes

Question: Choose your answer.

The process by which water vapor in the atmosphere cools and becomes a liquid is called

OPTIONS:
- evaporation.
- perspiration.
- condensation.
- transportation.
My Answer:
condensation.