Ice Ages

1. Grand canyon; created due to glaciers that carried the rock away
6. River of ice that move slowly downhill carrying rocks
7. Big rock (one of the evidence of ice ages found in California, USA)
10. A phase when the ice spreads from the north pole and the south pole covering large, climate is harsh and dry continent
11. The number of ice ages that have occurred on Earth
12. The representation of soil from a peat bog
13. Temperature of earth when the second ice age (850 mya)

2. Mammuthus primigenius which is related to the modern African and Asian elephants
3. Permanent ice in the north pole and south pole, climate is more stable
4. The appearance of the earth during the ice age
5. The evidence that scientist in New Zealand extracted from the peat bog
8. The preserved remains or traces of ancient living organisms (plants, animals, or microbes) from the distant past—usually millions of years ago
9. The instrument used to take samples of the peat bog