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In this activity, learners cut out and fold their own collapsible origami starshade, an invention that shields a telescope's camera lens from the light of a distant star so that NASA scientists can ex

In this activity, learners test the Law of Reflection based on experimental evidence. Learners produce raw data and explanations based on their data: pencil tracings of incident and reflection rays.

In this activity, learners explore how the process of folding has impacts on engineering and is evident in nature.

In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.