Across
- 2. The sphere that involves the rock cycle and all of our studies of plate tectonics.
- 3. line A line on a rock surface or the ground that traces a geological fault.
- 8. Process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle.
- 9. Quarter You can see exactly half of the illuminated part of the moon.
- 11. Moon You can see the entire illuminated side of the moon.
- 12. The outermost layer of the atmosphere.
- 16. A gas made up of oxygen molecules that each have 3 oxygen atoms.
- 18. Contains all of the Earth’s water.
- 19. The layer of Earth's atmosphere that is directly above the stratosphere.
- 20. Gibbous More than half of the illuminated part of the moon is seen.
Down
- 1. Plate large plates of lithosphere.
- 4. Plate Boundaries When two plates meet and slip/grind alongside one another. This often causes earthquakes.
- 5. The rigid, rocky outer surface of the Earth.
- 6. The largest layer of the Earth.
- 7. The part of Earth in which living things interact with nonliving things.
- 10. moon Less than half of the illuminated part moon can be seen.
- 13. The second major layer of Earth's atmosphere.
- 14. A sea of gases that support and protect the entire biosphere.
- 15. The lowest region of the atmosphere.
- 17. Boundaries Boundary between two plates that are moving apart or rifting.