Rocks

3. Chemicals that can flow around sediments in water and then set like cement.
5. Massive plates that make up the Earth's crust.
6. Sedimentary rocks that form when dissolved materials precipitate from solution.
9. Crystals that lock together and grow into each other in a rock.
10. Breakdown of rocks by physical processes.
11. water or chemicals in the water and air reacting and breaking down rock.
12. Rocks formed when high temperature and pressure alter existing rocks.
13. Factors that cause erosion-water,wind and ice.
16. Rocks made by sediments being semented together.

1. Sentimentary rocks made from weathered sediments of other rocks.
2. Igneous rocks that form below the surface of the Earth.
4. Model geologists use to explain the endless cycle change that rocks undergo as they change from one form to the other.
7. Igneous rocks that form on the surface of the Earth.
8. Metamorphism over a wide area below the crust caused by huge movements of the Earth's crust.
14. Rain water that includes acids from pollution in the air.
15. Rocks formed from cooling magma.