Across
- 5. how light reflects
- 8. sudden breaks in crust continuously stressed by plate movement
- 9. under ground molten lava
- 10. an example of a tangeous rock
Down
- 1. makes up rocks, inorganic, chemical composition
- 2. outer part of earth,crust and part of mantle
- 3. the thinnest layer of Earth
- 4. a mountain that forms when layers of magma erupt
- 6. loose pieces of shell fragment or gravel
- 7. study of earth's physical structure and history