The Discovery Channel provides numerous topics that are the most popular science topics taught in upper elementary and middle school. Content is organized by topics (Bacteria, Oceans, Solar System, etc.); all topics include quick facts,...

The climate of our planet is greatly affected by Earth's oceans. Learn here about the different oceanic currents and the role those currents play on climate.

Explore some of our most fundamental questions about space exploration with this research overview collected by scientists at the National Science Foundation. Additionally, experience deep space first-hand with telescope interactives.

Provides a general overview of comets, asteroids, and meteorites. Content includes ways to identify them in the night sky, as well as detailed information on each type of small body.

Read about the evolution of the stars, the elements of the solar system and the evolution of the Universe.

Astrophysicist Neil deGrasse Tyson has made "Popularizing science a personal passion." Tyson's latest book, Origins, is the starting point here for a discussion of dark matter, intelligent life in our solar system, the possibility of...

Learn everything you can about outer space with this interactive astronomy unit. 2 levels of difficulty with modules on the solar system, the universe, other "space stuff" and a glossary of terms. Links for parents and other great website.

This site provides a free space simulation that lets you explore the universe in three dimensions. There is a forum for teachers and lesson plans that help enhance student use of the simulation. A program must be downloaded in order to...

Excellent resource for "paper-plate" activities that help simplify various astronomy topics. Learn how to build a "Moon Finder" and "Planet Pointer," and create a paper-plate model that explains the Transit of Venus.

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.

When we look at the night sky, we see stars and the nearby planets of our own solar system. Many of those stars are actually distant galaxies and glowing clouds of dust and gases called nebulae. The universe is an immense space with...

A basic overview of the planet Neptune. Links to information about the other planets and objects in our solar system are included.

Includes a brief history of the sun's development and its future. Also provides simple statistics, solar activities, and references.

A basic overview of the planet Earth. Links to information about the other planets and objects in our solar system are included.

An exercise in finding the main idea. Read a short nonfiction paragraph about the solar system, and click on the correct main idea.

This is a definition and example of how distance is measured in astronomy, such as the distance between our earth and the stars.

Quiz yourself on the origins of the universe and life.

This complete resource will help students to improve their understand of space exploration. Includes images of the universe, galaxies, stars and planets.

Throughout this unit you will make an imaginary journey that will transport you from the remotest infinity of the universe around us, to the surface of our planet. During this trip you will see the main features and components of our...

Amazing Space promotes the "science and majestic beauty of the universe for use in the classroom." Here you can find learning activities, lesson plans, teaching guides, and helpful tips for students eager to learn about space and space...

Besides an introduction to exhibitions and events at the museum, the site provides a guide to stargazing, an astronomy FAQ, space news, virtual tours (see site map) and research resources (including Chinese-English star and constellation...

The homepage of the Center for Space Research at the University of Texas whose mission is "to conduct research in orbit determination, space geodesy, the Earth and its environment, exporation of the solar system, as well as expanding the...

A basic introduction to artificial, or man-made, satellites. Links to information about the planets and other objects in our solar system are included.

A basic overview of the dwarf planet Pluto. Links to information about the other planets and objects in our solar system are included.