21.2. Causes of Faulting

Try these first

1. 1.

   Define tectonic stresses.

   Hint

   Consider the movements of Earth's plates.

2. 2.

   What is one human activity that can affect faulting?

   Hint

   Think of activities that change the stress on rocks.

3. 3.

   What are tectonic stresses?

   • A type of rock
   • Forces caused by plate movement
   • Only occur at volcanoes

   Hint

   Consider what happens when plates interact.

4. 4.

   True or False: Volcanic activity has no effect on faulting.

   • True
   • False

   Hint

   Think about the influences of magma.

5. 5.

   How would you assess the risk of faulting in a city built near a volcano? Discuss factors to consider.

   Hint

   Think about the relationship between tectonics and volcanoes.

6. 6.

   Propose a design strategy for a bridge in an area with known human-induced faulting. What considerations must be included?

   Hint

   Consider the materials and techniques that allow for movement.