Plate Tectonics
Across
- 3. A plate boundary where two plates move away from each other.
- 4. The material that forms Earths hard surface.
- 6. A break in the earths crust where slabs of rock slip past each other.
- 7. A deep valley that forms where two plates move apart.
Down
- 1. A plate boundary where two plates move apart.
- 2. plate boundary where two plates move towards each other.
- 5. The hypothesis that the continents slowly moved across earths surface.