Interactive
A&E Television

History.com: The Space Race: Interactive Universe

For Students 9th - 10th
A virtual journey through space offers photos and facts about Earth and its neighboring planets, comets, other celestial bodies of the Solar System, and the Milky Way and Andromeda galaxies.
Website
Exploratorium

Exploratorium: A Guide to Astronomy Resources

For Students 9th - 10th
A portal to resources on the sun, the Earth's neighboring planets, and the weather in space. Find out why Saturn is the "jewel of the Solar System" and explore what happens when Venus and Mercury make their rare transits across the sun.
Interactive
American Museum of Natural History

American Museum of Natural History: Ology: Cosmic Cookies

For Students 3rd - 5th
Roll your mouse over the planets in our solar system to read a vignette about each. Then, link to the recipe for directions to create miniature planet cookies that look like the real thing.
Unit Plan
Scholastic

Scholastic: Study Jams! Science: Our Solar System: The Universe

For Students 3rd - 5th
A video and a short multiple-choice quiz on the Universe and what it is made up of.
Activity
University of California

Uc Berkeley: At Home Astronomy: The Size and Distance of Planets

For Students 3rd - 8th
In this activity, "You will investigate the concepts of relative size and distance by creating a basic model of our solar system." Planet printouts are provided and this site contains related links.
Unit Plan
NASA

Nasa: Space Place: Messenger: Planet Mass Comparison

For Students 3rd - 8th
Compare the masses of planets in this interactive animation. Simply pile a number of Earths on one side of the scale, to balance with the mass of one Jupiter. Then try this with all the planets.
Activity
National Geographic

National Geographic: Planetary Size and Distance Comparison

For Teachers 6th - 8th
Students review the sizes of planets and their order relative to the Sun. They then learn about astronomical uses and create a model of the solar system that reflects planetary distances. Includes handouts and worksheets as well as a...
Whiteboard
ClassFlow

Class Flow: Solar System Quiz

For Teachers 3rd - 5th
[Free Registration/Login Required] This is an assessment flipchart that explores the location of planets in our solar system.
Lesson Plan
Science and Mathematics Initiative for Learning Enhancement (SMILE)

Smile: Paper Mache Solar System

For Teachers Pre-K - 1st
This site from the Illinois Institute of Technology provides a set of directions for the creation of a solar system model out of paper mache. Includes orbital distances and planet diameters for the nine planets. Great idea for a student...
Website
American Geosciences Institute

American Geosciences Institute: Astronomy

For Students 3rd - 8th
Eight hands-on lessons module in which students explore the characteristics of planet Earth, its moons, the sun, the solar system, planets, and the difference between science fact and science fiction.
Unit Plan
NASA

Nasa: Neptune: Overview: The Windiest Planet

For Students 9th - 10th
Prepared by NASA, this site provides a detailed look at the planet Neptune. The menu tabs are divided into overview, moons, rings, photo gallery, and facts and figures. Just click to access specific information on any of these topics.
Article
Other

Planetary Science Institute: Building Planets at Psi

For Students 9th - 10th
An article about the Planetary Science Institutes's advanced computer software, which it uses to model the way the solar system may have formed. Includes some insights into the results already obtained.
Interactive
ABCya

Ab Cya: Orbital Order

For Students 4th - 6th
Launch into space with Orbital Order! Amplify your knowledge of the Sun and the planets of our Solar System in this astronomical activity. Do you have what it takes to put the planets back in order?
Website
Fourmilab Switzerland

John Walker: Earth and Moon Viewer and Solar System Explorer

For Students 9th - 10th
This website provides numerous images of the Earth and moon, shown from various vantage points.
Website
Other

The Telson Spur: The Solar System

For Students 9th - 10th
This is a list of links to online resources related to the study of the planets. It has a literary theme associated with the Lewis Carrol poem "The Hunting of the Snark" with many quotes from literature and science. Navigation tools...
Website
NASA

Nasa: Jet Propulsion Laboratory: Planet Quest: Exoplanet Exploration

For Students 9th - 10th
Constellation of articles, images, diagrams, posters, videos, and more on the subject of the search for planets, particularly Earth-like planets, outside our solar system.