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With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink.

These math posters have questions written on them, such as: How many colors can you name in a minute? or How many seconds can you balance on one foot?

This is an activity about discovering the colors and beauty of nature. Learners will spend time outdoors, matching paint chip samples, colored paper, or colors of clothing to those found in nature.

In this chemistry challenge, learners combine acids and bases in a universal indicator to create five different colors.

In this activity (on page 2 of the PDF under GPS: Light and Color Activity), learners will see the illusion of colors produced by a rotating black and white image known as Benham’s Disk.

This is an online exhibit about color perception. Learners set a random background color and then try to mix red, blue, and green light to match.