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