Across
- 4. the sphere of very hot metal at the center of the Earth
- 5. how hot or cold the air is
- 8. the path one body makes as it circles around another
- 9. the thick layer around Earth's core
Down
- 1. cicular motion
- 2. the condition of the air and sky from day to day
- 3. plants that grow in a region
- 6. a huge block of Earth's crust
- 7. the thin rocky layer on Earth's surface
- 9. soft, nearly molten rock