A3 Book 3 Review

1. Plants need sunlight and water to ___.

• grow
• shrink
• sleep

2. The ___ is a large natural stream of water.

• lake
• river
• ocean

3. An ___ is someone who studies stars and planets.

• engineer
• astronomer
• biologist

4. To ___ means to make something by mixing ingredients.

• jump
• bake
• drive

5. The ___ system helps the body fight off illness.

• respiratory
• circulatory
• immune

6. A ___ is used for cutting paper.

• pencil
• eraser
• scissors

7. She ___ (to be) very excited about the science fair.

• is
• was
• are

8. They ___ (to play) soccer every weekend.

• plays
• play
• played

9. We ___ (not to eat) candy before dinner.

• doesn't eat
• didn't eat
• aren't eating

10. I ___ (to do) my homework last night.

• did
• does
• do