Across
- 4. studies old climates
- 6. earth's rocks and minerals
- 9. sun doesn't set near the poles
- 13. floating piece of broken glacier
- 14. field energy force between objects
- 15. glacier part that reaches into the ocean
Down
- 1. neither pole is tilted toward the sun
- 2. longest or shortest day
- 3. air surrounding earth
- 5. dark all day and night near the poles
- 7. earth's water
- 8. sled used to drag supplies
- 10. large slow moving ice sheet
- 11. all life on earth
- 12. mix of fresh and salt water