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This fun and simple hands-on astronomy activity lets learners explore model planets (that they or an educator will create), using methods NASA scientists use to explore our Solar System.

Using indirect methods, learners determine the shape and size of a piece of carpet hidden under a piece of plywood.

Make two firefly lanterns, then program them to blink to one another and change colors.

This is an activity about robotics programming. Learners will discover how precise programmers have to be as they instruct a friend to make a peanut butter and jelly sandwich.

In this activity, learners work together to interpret an "alien message." The group pretends that this is the only message from an imaginary civilization, so there is no "key" and thus no "correct" wa

In this web-based activity, learners try to figure out who in an online chat room has their matching puzzle piece.