Across
- 3. Earth’s thickest layer made of hot rock that is less dense than the metallic core
- 6. Earth’s crust and the very top of the mantle together
- 8. Current, motion that transfers heat energy in a material
- 9. Core, ball of hot solid metals
- 10. Drift, the hypothesis that Earth’s continents were once joined and gradually drifted apart
- 11. energy transfer by the movement of a material
- 12. Core, layer of liquid metals that surrounds the inner core
Down
- 1. of Plate Tectonics, theory that lithosphere has huge plates that move over surface of the earth
- 2. Ridge, underwater mountain ranges
- 4. layer of hotter, softer rock in the upper mantle
- 5. Plate, one of large moving pieces which Earth’s lithosphere is broken
- 7. name of the super-continent when all were joined together
- 11. thin layer of cool rock that surrounds the earth