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In this activity, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes.

In this activity, learners explore how nanosized structures can create brilliant color.

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

In this activity, learners determine the necessary conditions for pea seed germination.

In this activity, learners compare and contrast different forms of luminescence by observing how chemiluminescence, phosphorescence, and fluorescence produce or emit light.

In this activity, learners investigate how some butterfly wings get their color.

In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

In this geography investigation, learners use a nighttime satellite image to observe areas of light across the United States and to identify patterns and spatial distributions of human settlements.