Why does it look like there is a man on the moon? Why does the moon look different every night? These are the focus questions of a lesson that prompts class members to observe and record the nightly changes of Earth's natural...

Space explorers take a virtual trip around the sun right within your classroom! They stand in a circle facing away from the "sun" (a lamp) in the center of the room. As they move according to your instructions, they view different...

Do all lunar eclipses look the same? Find out in an activity where astronomers use the Danjon Scale of Lunar Eclipse Brightness to describe the color and brightness of the moon during an eclipse. Explorers make three observations using...

How do you put something as large as the universe in perspective? Use a series of scale experiments. Classmates collaborate around four experiments to examine the scale of the earth-moon system, our solar system, the Milky Way galaxy,...

How do satellites communicate? What types of satellites orbit Earth? Discover and mimic the way satellites communicate between two points in a hands-on activity that has pupils using mirrors, flashlights, and marbles.

In this brightness of stars activity, high schoolers answer 7 questions about the apparent magnitudes of stars, the sun, and the moon. They compare the brightness of stars, galaxies, astronomical objects and the sun.

An interactive simulation that teaches about gravitational force, circular motion, and astronomy by manipulating the sun, earth, moon, and a space station to observe the effects of gravity and orbital paths. This simulation can either be...

Celestial navigation is the art and science of finding one's geographic position by means of astronomical observations, particularly by measuring altitudes of celestial objects - sun, moon, planets or stars. This activity starts with a...

[Free Registration/Login Required] This informational text passage shares observable aspects of the sun and the moon. This passage is a stand-alone curricular piece that reinforces essential reading skills and strategies and establishes...