Plate tectonics
Across
- 2. a type of plate boundary where the plates slowly move apart from each other.
- 3. circulatory patterns of heat in the magma believed to be the driving force behind plate movement.
- 5. A type of plate boundary where the plates slowly collide into each other.
- 7. the uppermost soild part of earth's crust.
Down
- 1. the process in which crust pushes downward into the mantle at a fault line.
- 4. V-shaped valleys that are the deepest parts of the oceans where subduction occurs.
- 6. A large segment of earth's crust that slowly moves.