Across
- 4. controls the magnetic field
- 7. rock samples/drilling/volcanoes eruptions
- 8. force pressing on an area
- 9. solid, flexible rock layer of the mantle
- 11. the temperature inside Earth _____ as depth increases
- 12. thinnest/outer layer of Earth
- 13. below Earth's crust
- 14. beneath the ocean
- 16. 20 meters down rocks get _______
Down
- 1. currents as materials heat and expand, its density decreases and less-dense material flow up through denser material
- 2. contains solid and hard rock, hold the oceans top layers
- 3. indirect evidence
- 5. center of Earth
- 6. meters down rock gets warmer
- 10. the deeper inside Earth's interior the _______ pressure on rocks below
- 12. forms continents
- 15. vary in thickness, composition, temperature, and pressure