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Learners test their "light-smarts" by playing a game called "Light Quest!" The game board represents an atom and each player represents an electron that has been bumped into the atom's outer unstable

By making models of light waves with paper, learners can understand why different colors appear in bubbles.

In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

If you have lights, cardboard, scissors, and some brass fasteners, you can make shadow puppets! Create a story-telling and design challenge for your learners with this simple and creative activity.

In this activity, learners will create their own simple shadow puppets, and experiment with light and shadow while playing with them.

In this hands-on botany activity, learners sprout vegetables in film canisters.

In "Exploring the Universe: Exoplanet Transits," participants simulate one of the methods scientists use to discover planets orbiting distant stars.

In this pencil and paper activity, learners work in pairs and simulate how astronomical spacecraft and computers create images of objects in space.

If you had a long tube with a 5 millimeter wide slit, would you see the entire Golden Gate Bridge?

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 about vision and optical illusions, learners conduct a simple test to demonstrate how our eyes create "afterimages." Learners stare at a black cardboard bat for at least 30 seconds an

In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

This is an activity to do when there is a solar eclipse!

In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.