Across
- 4. greenhouse gas
- 5. Air we breathe and every aspect we call weather
- 7. Thin layer of gasses that surrounds the earth
- 9. nino period of warming and cooling surface ocean temperatures
- 10. age When earth’s temperature is lowered
- 11. expansion the tendency of water to expand in volume as it warms
- 13. sheets any permanent sheet of ice
- 15. layer A Blanket in the atmosphere that absorbs the sun
Down
- 1. second of earth’s atmosphere
- 2. change long term shifts in temperatures
- 3. measurement of absorbed sunlight
- 6. ice frozen seawater that floats on the ocean’s surface and the amount is measured every september
- 8. strategies are designed to reduce emissions and stabilize the levels of greenhouse gasses
- 12. Study of intentionally and artificially changing natural processes
- 14. weakened the greenhouse effect due to the removal of carbon dioxide