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In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.

In this fun and simple hands-on astronomy activity, learners construct a model of our place in the Milky Way Galaxy and the distribution of stars, with a quarter and some birdseed.

In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat.

In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.

This is an activity about turbidity, or the amount of sediment suspended in water.