Across
- 4. A renewable energy source that uses moving water
- 7. The process where an oceanic plate sinks beneath a continental plate
- 8. A naturally occurring inorganic solid with a crystal structure
- 10. The layer of the atmosphere containing the ozone layer
- 12. The hardest mineral on the Mohs scale
- 13. The process that breaks rocks into smaller pieces
- 15. A type of rock formed by heat and pressure
- 17. A dark soil layer rich in organic matter
- 19. The process that forms sedimentary rock by squeezing sediments together
- 20. A type of rock formed from compacted sediments
- 23. The movement of weathered material from one place to another
- 24. A narrow band of strong winds high in the atmosphere
- 26. The layer of the atmosphere where weather occurs
- 27. The process by which heat from the Sun reaches Earth
Down
- 1. A resource that can be replaced naturally in a short amount of time
- 2. The rigid outer layer of Earth
- 3. A nonrenewable energy resource formed from ancient organisms
- 5. Plates moving away from each other at a boundary
- 6. A renewable energy source that comes from the Sun
- 9. The transfer of heat through direct contact
- 11. A rock formed from cooled magma or lava
- 14. The dropping of sediment after erosion
- 16. The movement of warm material upward and cool material downward
- 18. The force that changes rock into metamorphic rock along with heat
- 21. The color of a mineral’s powder
- 22. The reflection of light from a mineral’s surface
- 25. Plates moving towards each other at a boundary