Across
- 5. describes the outermost shell of a terrestrial planet
- 7. core a hot, dense ball of iron
- 8. core a fluid layer about 1,500 mi thick and composed of mostly iron and nickel
- 9. earthen materials are worn away and transported by natural forces such as wind or water
- 10. the mostly-solid bulk of Earth's interior
Down
- 1. occurs when plates move towards each other and collide.
- 2. makes a volcano
- 3. e breaking down or dissolving of rocks
- 4. the state of matter from the gas phase into the liquid phase
- 6. the motion is predominantly horizontal
