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This activity (located on page 3 of the PDF under GPS: Light and Color Activity) is a full inquiry investigation into mixing colors with light.

Experiment with liquids of different densities and create liquid layers. For example, oil and water have different densities: oil floats on water because it is less dense than water.

In this activity, learners of all ages can become food scientists by experimenting with flour and water to make basic pasta.

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.