Across
- 4. the rigid combination of crust and upper mantle
- 6. the plate boundary where plates spread apart
- 8. a break in Earth's crust where tectonic plates interact
- 9. Earth's lithosphere is broken into these separate sections
- 10. continental crust is made up of this rock
Down
- 1. the transfer of energy through space
- 2. the process by which oceanic crust sinks beneath continental crust
- 3. proposed the first theory of continental drift
- 5. the plate boundary where plates slip past each other
- 7. the plate boundary where plates come together