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In this activity, learners discuss how life is defined and conduct a simple experiment, looking for signs of life in three different “soil” samples.

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

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

In this biology/ecology activity, learners construct a terrarium out of a tennis ball container. This terrarium is unique because it never has to be watered.

In this simulation, learners model two elephant seal populations and how they change over time. Learners start with cards representing a variety of seals.