Across
- 3. A flow of fluid or air due to heating and cooling of the fluid or air
- 5. Ancient land mass made of all the continents that began to break apart 200 million years ago
- 6. A hypothesis that Earth's continents were joined as a single land mass
- 8. A German scientist who proposed a continental drift
- 10. Plastic Mantle
Down
- 1. Process by which one tectonic plate slips beneath another tectonic plate
- 2. Place where two tectonic plates are moving away from each other
- 4. A tectonic plate force due to subduction
- 7. A gravitation force that causes a plate to move away from the crest of an ocean ridge, and into a subduction zone
- 9. The remains of an organism