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Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

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

In this activity, learners will use bubble wrap to print patterns on paper and experiment with mixing colors.

In this activity (page 3 of the PDF), learners will observe a physical change.

In this activity, learners use transparent tape and polarizing material to create and project beautifully colored patterns reminiscent of abstract or geometric stained glass windows--no glass required

In this activity, learners will explore how light can refract or break apart into different colors.

In this optics activity, learners use a shoebox, colored cellophane and sunlight to "change" the colors of gumballs. Learners will be surprised when the green and blue gumballs appear black!

In this STEAM activity, learners create a "pixel tube" to explore reflections of light and color mixing.

In this activity, young learners will describe objects by their properties and sort by color, weight and texture. This activity uses household items and toys for materials.

Learners use chromatography to separate and analyze the mixture of pigments in leaves. Use this activity to discuss photosynthesis as well as why leaves change color in autumn.

In this optics activity, learners use everyday materials to make a color wheel. When learners spin the wheel like a top, they will be surprised to see all the colors mixing together to appear white.