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Learners will compare the growth rate and appearance of crystals forming on small rocks to those growing on miscellaneous objects. Learners will also investigate how temperature (warm vs.

In "Exploring the Solar System: Mars Rovers," participants learn about how scientists and engineers use robotic rovers and other vehicles to explore distant worlds, and experience some of the challeng

In this activity, learners try to figure out who has their matching rock type by reading a description of their rock (no talking!).

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

"Exploring the Solar System: Craters" is an active, hands-on activity that demonstrates how craters form, and what they can teach us about the history and composition of planets and moons.

In this activity, learners examine photo images of Earth taken from space, and attempt to identify and explain some of our planet's geological features.