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Like water drops in falling rain, a CD separates white light into all the colors that make it up.

Learners demonstrate how water can distort, refract and magnify light.

In this activity, learners create a cylindrical mirror to see themselves as others see them.

This is a great activity about wave interference. Learners will create their own wave machine and discover wave properties through hands-on investigation.

In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.

In this math lesson, learners explore transformations and quadratic functions through toothpick patterns.

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 activity, learners explore liquid crystals, light and temperature. Using a postcard made of temperature-sensitive liquid crystal material, learners monitor temperature changes.

In this activity, learners explore how pictures change in curved mirrors. Learners make cylindrical mirrors by wrapping Mylar around soda cans.

In this activity, learners investigate the reflective properties of light and mirrors as they make a kaleidoscope.

In this activity, learners explore how mirrors reflect light and change the way we see things.

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

In this activity, learners explore how polarizing sunglasses can help diminish road glare.

In this activity, learners will explore light with reflective surfaces. Learners will make predictions and share their observations as they experiment with directing a beam of light.

In this activity, learners repeat patterns in two and three dimensions to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle.

This activity provides instructions for building a mirrored tube--a smaller and simpler version of a submarine's periscope--that lets you see around corners and over walls.

In this activity, learners make optical fibers out of strips of gelatin.

In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.

In this activity (page 1 of the PDF under SciGirls Activity: Horse Ears), learners observe how an animal responds to its own reflection.

In this activity, learners repeat patterns in two and three dimensions to create tessellations.