A fantastic collection of information about the solar system. Includes information on all of the planets, the moon, the sun, asteroids, comets, meteoroids, and stars. Also find puzzles, a dictionary, quizzes, classroom activities, and...

Move the sun, earth, moon, and space station to see how it affects their gravitational forces and orbital paths. Visualize the sizes and distances between different heavenly bodies, and turn off gravity to see what would happen without it.

View a map of the Earth showing the day and night regions at this moment, or from the sun, the noon, the night side, and other points of view in this simulation. Illustrated.

A collection of ten hands-on science experiments for the entire family that will help you understand concepts in astronomy. Make an astrolabe, find the size of the sun and moon, build a lunar settlement, find out about meteoroids, shadow...

An introduction to our solar system: the planets, our Sun and our Moon. Students begin by learning the history and engineering of space travel. They make simple rockets to acquire a basic understanding Newton's third law of motion. They...

Learn to identify and predict daily patterns of motion of the Sun, Moon, and stars across the sky with various media, including an interactive storyboard featuring the beloved characters from PEEP and the Big Wide World. For a printable...

In studying the solar system, students compare the relative sizes of the sun and the moon, and experiment with angular diameter, apparent diameter and distance.

This site from NASA's Space Place is geared towards early elementary learners. It offers detailed instructions for crafts and activities related to space, games and a teacher resource area. Students can also ask an expert at this site.

This site offers a short history of the evolution of the space program and man's quest for more revealing and detailed pictures of the earth.

With the exception of Earth, Europa currently appears to be the only body in the solar system which potentially harbors a global ocean of liquid water. The possibility of liquid water raises the possibility of life, as well. This NASA...

This amazing image taken in 2007 shows the Moon passing in front of the Sun. For more information, check out our fun facts about the Sun and fun facts about the Moon.

Describes the eight moon phases and why they happen.

The BBC provides a general overview of the planet Earth. Content includes statistical information, a focus on the four seasons, moon information, and more.

[Free Registration/Login Required] An informational text about outer space. A question sheet is available to help students build skills in reading comprehension.

Come along with the Agronauts and discover space in order to report back to Commander Spud Goodroot. Fun site provides all types of information about space science! Various missions include: 'What's In Our Sky?', 'The Root of the...

This resource provides information about Earth and space. In addition, there is a quiz provided.

Play this creative puzzle game where the player views a solar system object that is all mixed-up. Try and find the matching parts of the photograph, and learn about the solar system in the process.

StarChild from NASA defines and describes the Solar System in a simple and easy-to-understand manner. The website is broken down into two versions for the student, grade school and junior high.

Colorful, engagingly written information about astronomy and biology for Portuguese-speaking English language learners. Both subjects are broken down into a broad array of related subtopics. The biology section is particularly helpful...

This site contains four main categories: Astronomy of the Earth's motion in space, Newtonian mechanics, the sun and spaceflight and spacecraft.

Fascinating collection of images from NASA, chosen for their historical or aesthetic significance. Images are searchable by subject, by NASA center, and by keyword, and each is available in three sizes. With links to more information...

Biographies of people throughout history who looked at the sky and wondered what was there. Links to a detailed description of the planets and interactive activities.

Learn basic astronomy and travel through space. After you finish the lessons you can take the evaluation to obtain the clues needed to play the fun space games.

This site provides a very interesting overview of our home planet, Earth. Content includes a focus on the atmosphere, the pull of gravity, and the active surface.