Earth Spheres Terms

1. The height of an object above the level of the sea
4. Earth's center
6. Parts of earth that contain living organisms
8. Layer of variable gases that is a form of oxygen and is found in the stratosphere; this layer absorbs ultraviolet radiation from the sun immediately above the stratosphere
10. Lowest layer of atmosphere where temperature varies
12. Layer between thermosphere and stratosphere
13. Layer between mesosphere and troposphere
15. The outermost layer of earth, mostly made of nitrogen and oxygen
18. Warming effect that results when solar radiation is trapped by the atmosphere
20. The ability to do work

2. The solid, outer part of the Earth that includes the uppermost part of the mantle as well as the Earth's crust
3. The outermost layer of Earth's atmosphere
5. Hot layer of rock between the crust and core
7. The outer layer of the thermosphere
9. The lower part of the thermosphere
11. The densest parts of earth that include the crust, mantle and core
14. A group of parts that work together as a whole
16. Part of the earth that contains liquid water; oceans, rivers, lakes, groundwater and water vapor
17. Thin, solid outermost layer of the earth in which we live
19. All water in form of ice; glaciers, snowfields, ice caps