Across
- 3. The outermost solid layer of Earth.
- 6. This layer of Earth is hot and convecting.
- 7. The solid outer section of Earth, which includes the crust and upper mantle.
- 8. Weathering that involves material reacting with other elements
- 9. The process by which rocks are broken down.
Down
- 1. Human activity that involves cutting down large areas of forest.
- 2. The scientific study of Earth's crustal movement.
- 4. A method to measure Earth's age using radioactive isotopes.
- 5. A dense, solid, metallic layer within Earth.
- 10. The moving of broken down rocks from one place to another.