Across
- 3. The movement of weathered rocks and soil by wind, water and glaciers.
- 4. A solid formed naturally and was never alive.
- 7. A scientist who studies fossils and fossil records.
- 10. Is the breakdown of dead animals and plants into smaller pieces
- 11. What process are associated with the following agents: wind, water and rust?
- 13. Remains or traces of organisms that lived long ago.
Down
- 1. A material formed when air and water cause iron to become reddish brown.
- 2. A rock formed from weathered material.
- 5. A rock that changed from igneous or sedimentary or metamorphic due to high pressure and temperature.
- 6. A type of soil with almost equal amounts of sand, silt and clay.
- 8. A type of rock formed when molten rock cools and hardens.
- 9. The layer of soil closest to Earth's surface.
- 12. The part of soil made up of organic matter