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In this activity, learners actually feel the difference in energy required to light two different types of light bulbs: incandescent light and LEDs.

In this activity, learners discover what happens when they crush wintergreen-flavored candies in a very dark room.

In this activity, learners compare and contrast different forms of luminescence by observing how chemiluminescence, phosphorescence, and fluorescence produce or emit light.

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.