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Height Sight
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In this activity, learners build a tool called an inclinometer that can find the height of any distant object, from a tree to the North Star.
Eyedropper Hydrometer: Buoy your understanding of density
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Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.
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.
Seasons and Shadows: Investigate How Shadows Shift Throughout the Year
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In this activity you'll see how the sun's tilt on its axis changes the length of shadows. For example, why is your shadow longer in winter than in summer?