Across
- 1. All water
- 4. All earth, dirt, rocks, etc.
- 6. The presence or introduction of a substance into the environment that has harmful effects
- 8. The natural movement of air
- 11. A shift from agriculture to manufacturing
- 12. A thick layer of soil beneath the surface that stays frozen year-round
- 15. The short-term conditions experienced by a region
- 16. The height of a place in relation to sea level
- 18. The amount of heat in the atmosphere
- 19. How far north or south a location is from the equator
- 20. Energy from sources that do not pollute the Earth
- 22. Gases in the Earth's atmosphere that trap heat
- 24. Long-term shifts in a region's climate
Down
- 2. A system for detecting the movement of objects - used to map weather formations
- 3. Patterns of behaviour in which animals move from one habitat to another
- 5. Suitable or good enough to live in
- 7. The envelope of gas surrounding the Earth
- 9. The amount of water vapour in the atmosphere
- 10. All living things
- 12. The force exerted by air
- 13. Farming, growing crops and rearing animals to provide food and other products
- 14. Occurance of unusually severe weather
- 17. The process of a species no longer being in existence
- 21. Water that falls from the sky ex. rain, snow
- 23. The long-term weather patterns of a region