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In this demonstration, adult learners create a lava lamp using beer and nuts! Use this pub-themed activity to demonstrate the effects of buoyancy and bubbles.

In this quick activity, learners practice locating a constellation in a map of very dark skies.

Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.

In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.

In this activity, learners use clear nail polish to create a beautiful iridescent pattern on black paper. Learners discover that a thin film creates iridescent, rainbow colors.

This is a classic exercise for visualizing the scale of the Solar System.

This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

Many people get water from a source deep underground, called groundwater.

This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.

In this activity, learners discover that nanoparticles of gold can appear red, orange or even blue. They learn that a material can act differently when it’s nanometer-sized.

This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.