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"Exploring the Universe: Filtered Light" demonstrates how scientists can use telescopes and other tools to capture and filter different energies of light to study the universe.

Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

In this activity, learners experiment with shadows and light sources to understand the relationship between the angle illumination and the shadow's length.

In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.

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

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

In this activity, learners create a "mini sky" in a glass of water in a dark room.

This is a classic exercise for visualizing the scale of the Solar System.

This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

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.