Our World 5: Unit 6 (Review Unit 4-6)

Exercise 1 (Page 78).

1. The center of a daisy and the sun are both ....

2. Earth moves on a path called an ... around the sun.

3. There are many galaxies in the ....

4. Someone who leaves Earth to travel in space is called an ....

5. The part of a plant that grows under the ground and gets food is the ....

6. A creature that lives on a planet that is not Earth is an ....

7. People the same age are from the same ....

8. A spacecraft is pushed into space by a ....

9. Making a design by sewing with colors is called ....

10. The air that surrounds a planet is called the ....