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In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.

In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.

Use this hands-on activity to demonstrate infrared and thermal radiation.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.

In this activity, learners investigate the sense of sight and develop and conduct their own experiments.