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.

This site from the National Aeronautics and Space Administration provides a fun project on rockets. "Nothing in space stands still. Everything either orbits around something else, or moves toward or away from something else. So how do...

The planet Mercury is profiled with information about its size, mass, atmosphere, length of day, and the like. Features include interactive activities and learning exercises.

Students must calculate the mass of a planet based on the orbital motion of the moon going around the planet.

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

Find out about all the planets and other solar system characteristics in this colorful, illustrated tutorial on our neighborhood in space.

[Free Registration/Login Required] This informational text passage shares facts about planets in the solar system. This passage is a stand-alone curricular piece that reinforces essential reading skills and strategies and establishes...

The purpose of this lesson is to teach students about how a spacecraft gets from the surface of the Earth to Mars. The lesson first investigates rockets and how they are able to get us into space. Finally, the nature of an orbit is...

This site explores what is currently known about the asteroid 253 Mathilde. Content includes an orbiting path, and composition. Links are provided throughout for additional information.

At this site from the Astronomy Department of Cornell University, Kepler's three laws of planetary motion are stated. There are brief explanations of each, along with links to additional information on related subjects.

[Free Registration/Login Required] This flipchart contains a 20 point multiple choice quiz on atomic history and modeling.

A detailed description of comets, their distinct parts, and the known comets in our solar system. Links are also provided for additional information on related subjects.

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.

Teach the concept of scale models and the size of the solar system through this extensive lesson plan. Students will learn about scale models, estimate which objects to use to create a scale model of Earth and Sun, and figure out how far...

Students use water balloons and a length of string to understand how gravity and the velocity of a spacecraft balance to form an orbit. They see that when the velocity becomes too great for gravity to hold onto an object, the object...

In this unit, students learn the very basics of navigation, including the different kinds of navigation and their purpose. The concepts of relative and absolute location, latitude, longitude and cardinal directions are discussed, as well...

A university-level course that looks at the structure of the solar system, the sun, the planets, and other bodies in space. Includes course readings, assignments, and study notes.

This simulation offers an illustration of Ptolemy's orbit for an inferior planet.

Help Sarah Jane and her team put the solar system's planets back in order. Following the activity, read more about the sun, the Earth, and its moon, and then take a quick quiz to check for understanding.

This page of NASA's excellent Starchild site deals with Space Probes. Learn about the various planetary probes by clicking on the planet of interest.

A brief discussion of the space probes that have reached the planet Venus.

How old would you be on Mars? Venus? Have fun plugging in your birthdate to see your age on other planets then read scroll down for a full explanation.

A site dedicated to help students prepare for the AP Physics B test. This specific site reviews gravitation including Newton's Law of Gravity, orbits of planets and satellites, and Kepler's three laws. Site contains links to video...

Many facts about Mars are presented on this comprehensive site. Planet size, surface, length of day, orbit, atmosphere, moons, are a sampling of the many topics discussed on this site. You will also find an activity book, a quiz, a...