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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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-992.png?itok=2vfN8NDB)
A Question of Balance
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In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-533.jpg?itok=hpL5hb0Q)
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).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-873.jpg?itok=ANI0Z8ou)
Does Your Chewing Gum Lose Its Flavor?
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Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.
Gelatin Optic Fibers
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In this activity, learners make optical fibers out of strips of gelatin.