Across
- 2. The chemicals that make up rocks.
- 4. These remains are often found in sedimentary rocks.
- 5. A metamorphic rock formed from limestone or chalk.
- 9. The process that forms magma from solid rock.
- 11. A sedimentary rock that is formed from grains of sand.
- 13. Rocks formed from layers of sediment.
- 16. An igneous rock with very small crystals.
- 17. When rock grains are glued together.
- 19. An igneous rock with large crystals.
- 21. A metamorphic rock that can be easily split for roofing.
Down
- 1. The process that drops sediments.
- 3. A metamorphic rock formed from sandstone.
- 5. Formed from other rocks with high temperature and pressure.
- 6. A sedimentary rock containing calcium carbonate.
- 7. The process that carries pieces of rock from one place to another.
- 8. A sedimentary rock formed from very tiny particles of mud.
- 10. These will be formed in igneous rocks when magma cools slowly.
- 12. A place where magma flows out of the Earth as lava.
- 14. When rock grains are squashed together.
- 15. Hot, molten rocks within the Earth.
- 18. Rocks formed when magma turns to a solid.
- 20. This process breaks down rocks into smaller pieces.