Across
- 1. the pattern of weather over a thirty year period or longer
- 3. variations in the earths orbit around the sun
- 6. the study of tree rings
- 8. ancient remains of plant and animals that have been stored underground for millions of years (2 words)
- 10. power derived from heat under the earth
- 13. the way we are living at the moment is not ____________
- 16. gas from decoomposing organic materials
- 17. the condition of the atmosphere over a short period of time
Down
- 1. a well know greenhouse gas
- 2. people who know about the weather
- 4. what surrounds earth
- 5. zany and brainy
- 7. how hot it is
- 9. the type of radiation let off by the sun
- 11. a type of power made by the ocean
- 12. the type of energy the earth radiates
- 14. power made by the sun
- 15. contain a record of hundreds of thousand of years of the past climate
- 18. the earth is on a _____