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In this group activity, learners will mark important developments of life on Earth on a timeline (each foot in length representing 200 million years).

This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe.

In this activity, learners create volcanoes like those they have examined on Earth and Mars through images taken by spacecraft.

In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.