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Highway Seismograph
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This is an activity that models the operation of a seismograph, a tool used to measure the size of earthquakes.
Better Hair Through Chemistry
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In this activity, learners hook up a hair to a lever system and create a hair hygrometer to measure changes in humidity.
Earth Atmosphere Composition
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In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.
Atmosphere Composition Model
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In this activity, learners create a model using metric measuring tapes and atmosphere composition data.