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Measure the Sun's Size
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In this activity, learners make their own pinhole viewer in order to measure the size of the sun.
Jump to Jupiter
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In this activity, learners help create and then navigate an outdoor course of the traditional "planets" (including dwarf planet Pluto), which are represented by small common objects.
Clear Water, Murky Water
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How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?