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In this activity, learners explore ray optics. Learners discover that they can use a magnifying glass to create an upside-down image.

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

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.

This hands-on astronomy activity allows you to create a “cutaway” telescope to clearly show how reflector and refractor telescopes work.

Did you know that using a lens one can bend light to make pictures of the world? It's true!

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 examine how colored lenses act like filters and absorb all colors of light except for the color of the lenses.

In this optics activity, learners make a lens and explore how the eye manipulates the light that enters it.

In this optics activity, learners use glass and water to demonstrate total internal reflection (TIR).

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

In this optics activity, learners examine how a transparent material such as glass or water can actually reflect light better than any mirror.