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In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.

In this three-part activity, learners conduct simple experiments to see how light refracts and reflects, and how colors of light affect what we see.

In "Chemistry is Colorful" learners explore different materials through paper chromatography.

In this optics activity, learners examine how polarized light can reveal stress patterns in clear plastic.

In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources.

In this activity, learners use gelatin as a lens to investigate the properties of laser light.

In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures.

In this activity (5th activity on the page), learners explore how what you see influences taste. In experiment 1, learners taste five sodas, one of which is clear soda with orange food coloring.