Across
- 2. includes all living things - plants and animals, from bacteria to elephants
- 3. Greek prefix meaning "gases/vapor"
- 5. Greek prefix meaning "Earth"
- 6. a layer that blocks most ultraviolet radiation from the sun
- 7. all the liquid water on earth, including condensation in clouds, ground water and that which is in soil
- 9. Greek prefix meaning "water"
- 11. the earth itself: the rocks, minerals, and landforms of the surface and interior. From the crust to the inner core
- 12. The measure of the force with which air molecules push on a surface
Down
- 1. the frozen water part of the Earth system
- 4. Greek prefix meaning "life"
- 5. natural situation in which heat is held in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases
- 8. a mixture of gases that surrounds a planet or moon
- 10. Greek prefix meaning "ice" or "frozen"
