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Learners place multiple M&M's in a plate of water to watch what happens as the candies dissolve.

In this activity, learners use an old CD to construct a spectroscope, a device that separates light into its component colors.

In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

In this optics activity, learners explore color by examining color dots through colored water and the light of a flashlight.

In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

In this optics activity, learners split white light into all its component colors using three household items: a compact disc, dishwashing liquid, and a hose (outside).

How many colors make black? Gather as many water soluble black markers as you can find.

In this activity, learners create a "mini sky" in a glass of water in a dark room.