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Since our beginnings, we humans have had a narrow view of our home - Earth. For many years, standing on the ground and looking around or climbing a mountain and squinting down were the most useful ways people had of trying to understand the planet's surface. Only in the past few hundred years have...
Grade Level   4 5 6 7 8 9
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2
A normal fault occurs when rocks break and move because they are being pulled apart. As the area is stretched, the rocks move along the fault. Each movement causes an earthquake. This model demonstrates how a block of rock is extended by a normal fault. 
Grade Level   4 5 6 7 8 9 10 11 12
Classroom Activities Curricula and Instruction
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