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Light Quest
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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

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

Personal Pinhole Theater
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Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!

Observing the Moon
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Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.

Telescoping Periscope
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In this activity, learners explore the many uses of periscopes and how this simple device was designed and is used in many applications.

Penny Battery
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In this activity, learners light an LED with five cents. Learners use two different metals and some sour, salty water to create a cheap battery.

Tools of Magnification
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In this activity related to microbes, learners use water drops and hand lenses to begin the exploration of magnification. This activity also introduces learners to the microscope.

Investigating Ice Worlds
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In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.

Mini Zoetrope
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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.