Across
- 6. Crust less dense and thick
- 7. When the continents were touching
- 8. Unevenly heated by Earth's core
- 9. Crust It is made of igneous rocks and minerals
- 10. Covered by a layer of rock
Down
- 1. A break in Earth's crust due to movement
- 2. Boundary Move towards each other
- 3. Boundary Slide past each other
- 4. Boundary Move away from each other
- 5. Waves Energy Waves that travel out