Across
- 3. A long, narrow, steep-sided depression in the ocean bottom
- 4. The rising, spread, sinking of gas, liquid, and molten materials caused by the application of heat
- 7. A collision between two plates, when one sinks into the mantle underneath the other plate
Down
- 1. In Earth's crust when molten rock is squeezed out onto the Earth's surface
- 2. Two plates that separate/ divide from each other
- 5. Two plates that slide by each other
- 6. Two plates that collide with one another
