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In this activity, learners explore light, color and rainbows by making their own rainbow glasses.

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

In this activity about light and refraction, learners make a lens and magnifying glass by filling a bowl with water.

In this exercise (Activity #2 on page), learners test their distance vision to evaluate their overall eyesight.

Create 3D glasses and use them to explore color, light and optics. Fool your brain into 'seeing' three dimensions on a flat surface!

In this activity, learners explore their eye pupils and how they change.

In this activity, learners discover that our hands are not reliable thermometers.