Across
- 2. Are volcanic regions thought to be fed by underlying mantle
- 4. A layer inside a planetary body bounded below by a core and above by a crust
- 5. A rupture in the crust of a planetary-mass object
- 7. A tectonic boundary where two plates are moving away from each other
- 9. Supercontinent that existed on the Earth millions of years ago
- 10. Are the edges where two plates meet
Down
- 1. A current in a fluid that results from convection
- 3. It is very hot, very dense and it's at the center of our planet
- 6. A sudden violent shaking of the ground
- 8. A dark fine-grained volcanic rock