M A S T E R P A G E
Landslide Activity Sheet
2.4d
Name ___________________________________________________________ Date _____________________
Group Names/Roles
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1. Why do you think the scales measure less weight as one end of the ramp is raised?
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2. At what height or what angle does the dry sand slide?
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Why do you think it slides then, in terms of forces?
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3. What effect does the simulated earthquake (knocking on the ramp) have on the dry sand?
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Why do you think the simulated earthquake has that effect?
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4. Before testing wet sand, what effect do you think wetting the sand will have on the slide angle? Why?
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5. What effect did wetting the sand have on its slide angle? Why?
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F E M A
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