Across
- 2. When two or more of Earths plates collide
- 4. When two of Earth's plates slide past each other, horizontally
- 6. The mostly-solid bulk of Earth's interior
- 7. The outermost layer of a planet
- 9. A fluid layer about 2,400 km (1,500 mi) thick
- 10. A hot dense ball of (mostly) iron
Down
- 1. Breaking down or dissolving Earth's rocks or minerals on the surface
- 3. Two of Earth's plates pull away from each other
- 5. The geological process where sediments, soil, and rocks are added to a landform or landmass
- 8. When Earth's materials are worn away and transported my natural forces such as wind or water