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Effects of Solar Radiation on Land and Sea
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In this activity, learners explore the different heating properties of soil and water.
Gecko Feet
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This is an activity (located on page 3 of PDF under Gecko Feet Activity) about modeling a nanoscale phenomenon (gravity-defying gecko feet) with macroscale objects (shoes).
Gelatin Optic Fibers
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In this activity, learners make optical fibers out of strips of gelatin.
Apples with Appeal
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In this activity, learners investigate why apples turn brown. Learners discover that lemon juice interferes with the reaction that causes the browning.