Left side
figures to label & explain
1. Faults –
A.Where do they occur?
1. Along
plate boundaries
2. Plate
motion compresses, pulls or shears the crust
3. Causes
it to break.
2. Kinds of Faults –
A. Strike-slip faults (fig. 3, pg. 46)
1. caused by shearing
2. transform
boundary
B. Normal faults (fig. 4, pg. 46)
1. caused
by tension
2. divergent
boundary
C. Reverse faults (fig. 5, pg. 47)
1. caused
by compression
2. convergent boundary
3. blocks move opposite of normal
fault
3. Friction-
A. caused when two objects rub against each other
B..How does fiction play a role in earthquakes?
4. Does the San Andreas fault affect us in Southern
California?
5. What will happen millions of years from now to Southern
California?
6. Mountain Building –
A. Mountains formed by faulting – (fig.
7, pg. 48)
B. Mountains formed by folding – (fig.
8, pg. 49)
Left side
figures wksht.
4. Seismic waves
A. 3 catergories
1. P waves
2. S waves
3. surface
waves (L waves)
a. produce
severe ground movement
b. rolling
motion
Left side
wksht. to label