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

In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy.

This fun and simple hands-on astronomy activity illustrates the value of supernovae in the universe.

In this activity, learners investigate convection by using food coloring and water of different temperatures.

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.

In this "game," learners explore and relate the evolution of stars to a Navajo creation story. The story is written on a series of cards, which are laid on a table as the story is told.

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

Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars.