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In this optics activity, learners make a simple telescope using two lenses and a cardboard tube. Learners construct the telescope and then calculate its magnification.

In this activity, learners will use Google Sky to observe features of the night sky and share their observations.

This fun, nighttime hands-on astronomy activity lets learners explore how long it takes for light from different objects in the universe to reach Earth.

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

In this activity, learners will first learn the basics of galaxy classification and grouping.