Across
- 3. Plate, Large pieces of land that connect together on Earth’s outer shell.
- 5. The lowest region of the atmosphere.
- 6. The layer of Earth's atmosphere that is directly above the stratosphere.
- 9. Contains all of the Earth’s water.
- 10. A layer of gas that blocks harmful ultraviolet rays.
- 13. The largest layer of the Earth.
- 15. The part of Earth in which living things interact with nonliving things.
- 18. Plate Boundaries, When two plates meet and slip/grind alongside one another.
- 20. Process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle.
Down
- 1. line, A line on a rock surface or the ground that traces a geological fault.
- 2. The sphere that involves the rock cycle and all of our studies of plate tectonics.
- 4. A sea of gases that support and protect the entire biosphere.
- 7. The outermost layer of the atmosphere.
- 8. Quarter, You can see exactly half of the illuminated part of the moon.
- 11. Gibbous, More than half of the illuminated part of the moon is seen.
- 12. The second layer of Earth's atmosphere.
- 14. Boundaries, Boundary between two plates that are moving apart or rifting.
- 16. boundary, When two or more tectonic plates collide and eventually one slides under the other.
- 17. The rigid, rocky outer surface of the Earth.
- 19. Moon, You can see the entire illuminated side of the moon.