Across
- 1. preserved plant and animal material
- 3. formed from volcanic action
- 4. rain, ice, sleet falling from the clouds.
- 6. study of the natural world
- 8. zone where two plates are moving away from each other
- 9. formed by melting
- 11. one big landmass years ago
- 12. energy from rocks under the surface of the earth'
- 15. the sediments are pressed together tightly.
- 16. layer of the earth where plants and animal live
Down
- 2. one tectonic plate moving under another
- 5. formed by compacting and cementing of sediments
- 7. formed by weathering and erosion
- 10. formed by heat and pressure
- 13. energy from the sun
- 14. crack between plates of the earth.