Seismic Sleuths - page 288

M A S T E R P A G E
BOSSWorksheet
4.3b
3. Plot the height versus the natural frequency of each
rod assembly on the graph provided. You should have
four data points. Connect the points with the best fitting
straight or curved line you can.
4. What kind of line did you get from your data?
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5. As the height of the rod assemblies gets larger, what
happens to their natural frequency?
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C. Summary
1. What variable is manipulated in this experiment? (How do the four rod assemblies differ from each other?)
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2. What is the responding variable in this experiment? (What did you measure?)
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3. What does oscillate, or vibrate, mean?
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4. Define
frequency
.
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5. Why does only one rod assembly oscillate greatly (or resonate) when you wiggle the base?
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6. What is resonance?
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7. How are the rod assemblies like buildings?
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8. (
extra
credit
) How can a building be protected from resonating with seismic vibrations?
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