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

In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.

In this activity, learners of all ages can enjoy experimenting with ice. Try this experiment at the kitchen table or in the great outdoors to encourage budding scientists to experiment with ice.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

In this activity, learners make a photographic image—without a camera!

In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.