Across
- 3. Goes down
- 5. The height above sea level
- 8. Determines how the day is
- 9. Something that surrounds us all the time
- 10. What living animals and humans breath
Down
- 1. Force applied to a surface
- 2. Used to measure air pressure
- 4. The gases that surround earth
- 6. Goes up
- 7. the force that attracts a body toward the center of the earth