Across
- 2. A circular motion that happens in the mantel
- 5. the crust ontop of earth
- 8. whats formed when a boundary occurs
- 9. where convection currents happen
Down
- 1. plates pull apart
- 3. where heat comes from in earth
- 4. plates grind against each other
- 6. a plate goes under another
- 7. plates coming together
- 9. the liquid used in convection currents