Across
- 3. type of boundary where new crust is generated as the plates pull away from each other
- 4. type of boundary where the crust is neither produced nor destroyed as the plates slide horizontally past each other.
- 5. type of boundary where the crust is destroyed as one plate dives under another.
Down
- 1. a scientific theory that explains the movement of heat from the Earth's interior to its surface deep within the Earth.
- 2. The location where two plates meet