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