Rock Cycle

2. A relatively hard mixture of more than one different mineral cemented together
3. A type of metamorphic rock with no layering
5. An example of a metamorphic rock with no foliation
8. An example of a sedimentary rock with small particles of sand
13. An example of extrusive igneous rock
14. The process of how rocks change slowly and repeatedly over time
17. A loose material consisting of rocks, minerals, and the remains of plants and animals
18. A rock that is formed from magma or lava

1. Layering in a metamorphic rock
4. An igneous rock that forms outside of the Earth
6. An example of a metamorphic rock with foliation
7. An example of a mineral
9. A rock that is formed from particles of sand, shells, pebbles, and other fragments
10. An example of intrusive igneous rock
11. An igneous rock that forms inside the Earth
12. A rock that is formed from heat and pressure
15. An example of a sedimentary rock with fossils
16. A naturally-occurring, inorganic solid that has a crystal structure and definite chemical composition