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In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe

In this experiment, learners work in teams to investigate how the color of a surface influences its ability to reflect light and therefore heat.

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

This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can chan

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