Forces That Shape Earth Flashcards
1
Q
Stress
A
Force that changes rock to change its shape or volume
2
Q
3 types of stress
A
Shearing, compression, tension
3
Q
Tension
A
Pulls on the crust
Mid-ocean ridges
Continental rift
4
Q
Compression
A
Pushes or folds
Ocean trenches
Volcanic arcs
Mountain ranges
5
Q
Shearing
A
Pushes rock in town opposite directions
Fault zones
Transform fault
6
Q
Strain
A
A change in the shape of a rock
Elastic- not permanent
Plastic-permanent
7
Q
Earthquake
A
Movement in the ground caused by movement along the faults
Normal
Strike-slip
Reverse
8
Q
Strike-slip
A
2 blocks of rock sliding past each other
9
Q
Normal
A
Pulls apart causing one to go down
10
Q
Reverse
A
Pushing causing one to go up