Across
- 1. -the cells between 60 and 90 degrees
- 4. the scientific method of dating trees(16)
- 5. - the cell between 30 and 60 degrees
- 6. What period were climates equal or higher to today’s? (8,6)
- 7. - cooler periods in the Earth’s temperature (7,6)
- 10. what are tropical storms measured in? (6,7)
- 11. - The geological time period of the is last 2 million years of the planet (10,6)
- 12. Cylinders of ice drilled out of ice sheet(3,5)
Down
- 2. - cooler climates than today and rivers froze during winters (6,3,3)
- 3. - warmer periods in the Earth’s temperature. Highest peaks have been around 17 degrees C (12,7)
- 8. - the cell between the equator and 30 degrees
- 9. What has always fluctuated? (11)