Across
- 4. high amounts of this are caused by layers of rock pushing down
- 9. the building up of rock in an area, usually the sea
- 10. type of rock made from magma or lava, contains crystals
- 11. the breaking down of rock into smaller pieces
- 14. a rock made by layers of sediment buried on the sea floor
- 15. molten rock above the earth's surface
Down
- 1. the russian scientist who came up with the theory of plate tectonics
- 2. the outside layer of the earth
- 3. these can be big or small depending on how quickly the rock has cooled
- 5. rock created by high temperature and pressure
- 6. the movement of weathered rock from one place to another
- 7. small grains of rock
- 8. the inner part of the earth
- 12. the crust is made of several of these plates
- 13. molten rock inside the earth