This activity sheet guides students through a hands-on demonstration of earthquake faults using plywood to simulate crust movement.

Final Answer:
1. Earthquake faults are breaks or cracks in the Earth’s crust where rocks on either side have moved past each other.
2. Earthquakes happen *because* of sudden movement along faults — when stress builds up and is released, it causes shaking (an earthquake).
3. In a normal fault, the hanging wall moves down; in a reverse fault, the hanging wall moves up; in a strike-slip fault, the blocks slide sideways past each other.
4. Normal and reverse faults create cliffs or uplifted blocks (like mountains or basins); strike-slip faults form linear features like offset streams or roads, but no big vertical changes.