Across
- 2. The release of energy when plates move
- 5. Solid ball of iron and nickel; hottest layer
- 7. The dropping of sediment in a new location
- 8. The best way to prevent soil erosion
- 9. Plate boundaries that are coming together
- 11. Thickest layer of the Earth; made of magma
- 12. Thinnest layer of the Earth; made of solid rock
- 16. Rocks that are made from pressure
- 17. Plate boundaries that are pulling apart
- 18. One plate sliding under another
Down
- 1. Rocks made from great heat & pressure
- 3. The never ending series of changes to a rock
- 4. Plate boundaries that are sliding past
- 6. The breaking of rock into sediment
- 10. Made of molten iron and nickel
- 13. Remains of living things; tell us about the past
- 14. Rocks that are made from magma cooling
- 15. The moving of sediment