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In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.

In this activity, learners make their own heat waves in an aquarium.

In this activity, learners explore the invisible infrared radiation from an electric heater.

In this optics/mathematics activity, learners use two hinged mirrors to create a kaleidoscope that shows multiple images of an object.

In this activity about electricity, learners build and test a paper clip switch to turn on a light bulb.

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

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

In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.

In this art meets science activity, learners pack silver, ball-shaped ornaments in a single layer in a box to create an array of spherical reflectors.

In this physics activity, learners recreate Galileo's famous experiment, in which he dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall

Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.

In this demonstration/experiment, learners discover that different colors and materials (metals, fabrics, paints) radiate different amounts of energy and therefore, cool at different rates.