Use the following lithographs to envision the scale of our solar system. View different models of planets at different scales, an infographic about the relative sizes of the planets and distance from the sun, and images of the largest...

Discover interesting information about the planet Mars through a vast archive of photographs and scientific facts.

Explore the planet Earth through this site that includes vivid multimedia resources. Learn Earth statistics and view numerous images.

Discover interesting information about the planet Venus through a vast archive of photographs and scientific facts.

In this science lesson young scholars will work collaboratively to learn and introduce the eight planets, sizes, characteristics, and their order. They will use size comparisons, research a planet, design a poster and create a PowerPoint...

This activity explores the relative size of the eight planets that circle around the Sun.

These hands-on activities are a great way for students to gain perspective on the relative sizes and distances of each planet, the relationship between the sun and Earth, and much more.

Examine the variety of weather found on all of the planets in the solar system with this classroom exercise. Students will see a video and observe differences and similarities among the planets.

This impressive compilation of ideas is a great source for space science. Loaded with extra links for further information on the solar system.

Discover interesting facts about Jupiter, the largest planet in the solar system.

Discover interesting facts about Saturn, the second-largest planet in the Solar System.

This illustration from the Lunar and Planetary Laboratory shows the approximate sizes of the planets relative to each other. Note that the planets are not shown at appropriate distances from the Sun.

A brief overview of Titania, Uranus's largest moon. Includes a very good description of the moon's surface. A NASA picture of the day.

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.

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.

Explore the mythology, structure, observational history, gravitational force, and orbit of Earth's Moon.

Flip this interactive card to start learning about Jupiter, the largest planet in our solar system. Answer multiple-choice and fact-or-fiction questions and review some fast facts about Jupiter.

Students explore the outermost planets of our solar system: Saturn, Uranus and Neptune. They also learn about characteristics of Pluto and its interactions with Neptune. Students learn a little about the history of space travel as well...

In this simple lesson, students grow yeast to learn how the climates on each of the nine planets would affect life.

Students are introduced to the fabulous planet on which they live. Even though we spend our entire lives on Earth, we still do not always understand how it fits into the rest of the solar system. Students learn about the Earth's position...

Middle schoolers learn how engineers navigate satellites in orbit around the Earth and on their way to other planets in the solar system. In accompanying activities, they explore how ground-based tracking and onboard measurements are...

This site is astronomy for kids and teachers! Here students can learn about the planet Earth of the Solar System including fun facts, mass, day, year, and distance from the Sun.

Features a collection of hands-on activities, investigations, and explorations designed to engage students in learning about ice, both in the solar system and on planet Earth.

Learn some of the characteristics of Mars. These characteristics lead some people to believe that life forms may be found on the fourth planet from the Sun.