Glaciation Flashcards
1
Q
What is glacier
A
A max of moving ice that moves in a valley or flows from a mountainous area
2
Q
How much of the world is covered in glacier
A
1/10
3
Q
High latitude
A
Closer to the poles than the equator
4
Q
High altitude
A
Mountainous terrain / high up
5
Q
What is a glaciation
A
When ice advances
6
Q
What is interglacial
A
Warm periods in between glaciation
7
Q
What caused an ice age
A
Variations in the suns energy
Changes in the earths orbit
8
Q
How do glaciers form?
A
- Snow accumulates in a mountainside
- The density grows as the snow falls
- Increased weight compresses snow
- If ice doesn’t melt and snow keeps falling the ice mass will get bigger
