Demonstrate how movement along faults affect the surroundings
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Movement along fault changes the topography of its surroundings. ... A normal fault would create rift valleys and mid-oceanic ridge. A reverse fault can create a chain of volcanoes, powerful earthquakes, Island arcs, mountain range, large mountain belts. Strike-slip fault would create valley or undersea canyon.
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differentiate between focus and epicenter; and
2. demonstrate how movement along faults affect the surroundings.
Materials Needed:
fault model
scissors
paste
Procedure:
1. Photocopy the Fault Model (Figure 12; you can also trace it on paper). Then cut along the outlines of the two drawings.
2. Fold along the lines and paste where indicated. In the end, you should have a model consisting of two parts that fit together (Figure 13).
3. The upper surface of the model represents the surface of the Earth. The trace of the fault on the surface of the Earth is called the fault line. Be ready to point out the fault line when your teacher calls on you.
4. Pull the two pieces apart (Figure 14). The flat surface between the two pieces is called the fault plane. This is where fault slip or fault movement happens. Point out the fault plane when your teacher asks you.
5. The place where the fault begins to slip is called the focus. It is where the first movement occurs. Thus, the focus is the origin of the earthquake. Be ready to explain it to your teacher.
2. demonstrate how movement along faults affect the surroundings.
Materials Needed:
fault model
scissors
paste
Procedure:
1. Photocopy the Fault Model (Figure 12; you can also trace it on paper). Then cut along the outlines of the two drawings.
2. Fold along the lines and paste where indicated. In the end, you should have a model consisting of two parts that fit together (Figure 13).
3. The upper surface of the model represents the surface of the Earth. The trace of the fault on the surface of the Earth is called the fault line. Be ready to point out the fault line when your teacher calls on you.
4. Pull the two pieces apart (Figure 14). The flat surface between the two pieces is called the fault plane. This is where fault slip or fault movement happens. Point out the fault plane when your teacher asks you.
5. The place where the fault begins to slip is called the focus. It is where the first movement occurs. Thus, the focus is the origin of the earthquake. Be ready to explain it to your teacher.
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