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Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.

In this demonstration (18th on the page), learners conduct a simple test to explore how the cornea refracts light, which is further bent by the eye lens through a process known as accommodation.

In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.

This is an online game about stopping distance. Learners choose one of three vehicles and one of three speeds.

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

Use this hands-on activity to demonstrate infrared and thermal radiation.