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In this activity, learners explore how distance can affect the way we perceive the size of an object.

In this activity, learners explore the relative sizes and distances of objects in the solar system.

In this three-part activity, learners use food to determine the effects of wind, sandblasting and water on regolith (dust) formation and deposition on Earth.

In this group activity, learners consider environmental conditions—temperature, presence of water, atmosphere, sunlight, and chemical composition—on planets and moons in our solar system to determine

In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

In this sunny day, outdoor activity, learners observe changes in shadows over time. The activity also helps to develop a sense of the Earth's motion.

In this activity, learners discover how geologists use stratigraphy, the study of layered rock, to understand the sequence of geological events.

In this math activity, based on the research of famed astronomer Frank Drake, learners calculate the possibilities of finding intelligent life elsewhere in the universe besides Earth.

This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.

This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.