Across
- 3. create environments that are designed for life(p.79)
- 5. How many planets are called "gas giants"(p.82)
- 7. has wavelengths that produce the right energy to drive photosynthesis on earth(p.81
- 8. designed for life(p.78)
- 11. minor planets(p.82)
- 13. ocean______ transport warm water to cool areas of the world(p.80)
Down
- 1. the sun's size and tempersture determine the location and size of a region around it(p.81)
- 2. too fast a rotation would also be _______to life(p.79)
- 4. the sun is near the orbit's ______(p.79)
- 6. no other planet has liquid ________on it's surface(p.80)
- 9. without ___________, dangerous energetic radiation particles from space could reach Earth's surface(p.81)
- 10. earth's _________offers protection to its inhabitants(p.80)
- 12. The _____of the earth's rotation is designed for life(p.79)
