Across
- 5. A supercontinent
- 6. Heat transfer by the movement of a fluid
- 8. A measure of how much mass there is in a given volume of an object
- 10. One major belt of volcanoes
- 12. Pieces of Earth diverge on land and create a deep valley
- 16. The continents slowly moved over Earth's surface
- 17. An area where material from deep within Earth's mantle rises through the crust and melts to form magma
Down
- 1. A molten mixture of rock-forming substances, gases, and water from the mantle
- 2. When magma reaches the surface
- 3. breaks in Earth's crust where rocks have slipped past each other
- 4. Heat transfer between materials that are touching
- 7. A string of islands
- 9. plates move apart
- 11. The transfer of energy that is carried in rays
- 13. A mountain that forms in Earth's crust when molten material, or magma, reaches the surface
- 14. plates move together
- 15. plates slip past each other
