Across
- 1. Shape and steepness of a landscape.
- 3. a mixture of weathered rock,rock fragments, decaying organic matter, water, and air.
- 7. Changes the materials that are part of a rock into new materials.
- 8. starting material of soil.
- 9. Layers of soil formed from the movement of the products of weathering.
- 12. The mechanical and chemical processes that change objects on Earth's surface over time.
- 14. feels sticky
- 16. The average weather of an area.
Down
- 2. Small wholes and spaces.
- 4. Combines the element oxygen with other elements or molecules.
- 5. Physical processes naturally break rocks into smaller pieces.
- 6. Process of changing once living material into dark colored organic matter
- 10. The remains of something that was once alive.
- 11. feels smooth
- 13. Feels rough
- 15. All of the organisms that live in a region.