Across
- 5. Region of water at our near Earth’s surface.
- 6. Openings, or vents where lava, small rocks, and steam erupt onto the Earth's surface.
- 10. A system that does not allow the exchange of either energy or matter with the surroundings.
- 11. A system in which both energy and matter can transfer.
- 12. Outermost layer of the earth.
- 13. Solid portions of the Earth.
- 14. The cycle that describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere.
- 16. Mixture of gases that surrounds the Earth.
- 18. Largest continent.
- 19. Most abundant gas in the atmosphere.
Down
- 1. The region of the Earth where organisms live.
- 2. A collection of connected, on-going processes that circulates a common component throughout a system.
- 3. The lowest part of the atmosphere.
- 4. Biggest water body on Earth.
- 7. Earth’s type of system.
- 8. Revolves around the moon.
- 9. The movement of the Earth in a fixed path.
- 10. Occurs among the spheres and is the two-way cause and effect relationship between an event and a sphere.
- 15. Cover 70% of Earth’s surface.
- 17. 3rd planet from the sun.
