Across
- 5. rigid layer that includes the crust and uppermost mantle
- 9. outer part of Earth's magnetic field
- 10. frozen water on Earth
- 11. all living organisms on Earth
- 12. rocky, outermost layer of Earth
- 13. a shape like a ball
- 15. force of attraction between every object and every other object that exists because of mass
Down
- 1. thick middle layer in the solid part of Earth
- 2. Earth's dense, metallic center
- 3. the solid part of Earth, including the soil and Earth's rocky center
- 4. amount of mass, or substance, in a material
- 6. liquid water on Earth
- 7. specific type of metal
- 8. plastic, flowing within the mantle
- 14. layer of gasses surrounding Earth