Across
- 2. what the lower part of the upper mantle is made of
- 7. scientists study these to learn about the layers of the earth
- 9. makes the mantle move
- 10. the lithosphere _____ on the asthenosphere
- 11. part of the core that is liquid
- 12. the crust and the upper mantle
- 13. the hottest layer of the earth
- 14. this section of the mantle is denser and more solid
Down
- 1. scientist who discovered that Earth's core has two layers
- 3. type of crust that is made mostly of basalt
- 4. keeps the inner core solid
- 5. the lower part of the upper mantle
- 6. the thin layer of solid rock that surrounds the Earth
- 8. type of crust that is thicker