Plate Tectonics Flashcards
1
Q
Divergent
A
Seperate
2
Q
Convergent
A
Collision
3
Q
Transform
A
Collide
4
Q
Convection currents
A
Convection currents in the mantle below cause the plates to move slowly bringing the continents together.
5
Q
The axis of the earth is tilted at …
A
An angle of 23 and 1/2 degrees.
6
Q
Plates move by the convection currents which is called …
A
Continental drift
7
Q
Name the 7 plates
A
Eurasian North American Pacific Australian Indian Nazda South American
8
Q
Talk about the world youngest fold mountains.
A
The worlds youngest fold mountains are already about 30 - 35 million years old. These mountains are called alpine fold mountains. They are very high because they have not been worn down by weathering and erosion. Some examples include :
- The Rockies in North America
- The Andies in South America
- The alps in Europe
- The Himalayas in Asia
9
Q
Talk about amorican fold mountains.
A
The amorican fold mountains formed about 250 million years ago. Some examples include : 1. The Comeraghs 2. The Galtees 3. The Knockmealdowns 4. The Magillicuddy Reeks They are all in Ireland.
10
Q
Tectonic plates float on …
A
Molten
