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This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel.

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

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

In this activity, learners make scale models of the Sun and Earth out of paper mache.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.