View photos of Pluto from NASA's New Horizons probe.

Students learn about dwarf planet classification through a researched-based instructional strategy called direct vocabulary instruction. Teacher guide and student activity sheet 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.

This site, which is provided by the National Space Science Data Center of NASA, is a site with detailed information about Pluto, including planned missions to explore the planet in greater detail.

[Free Registration/Login Required] An informational text about Pluto being classified as a dwarf planet. A question sheet is available to help students build skills in reading comprehension.

Collection of images, with vocalized explanatory captions, of the planets acquired by NASA as part of its exploratory space programs.

Visit this site and learn more about Pluto. Provides the answers to kids' most frequently asked questions.

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.

Wikipedia, a publicly-maintained encyclopedia, provides an article on the dwarf planet, Pluto, including images, physical characteristics, history of its naming, the planet/dwarf planet debate, and more.

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...

From ABC News in Science, this article discusses issues related to Pluto its removal from planetary status. The brief article also touches on the renaming and re-listing process of Pluto.

[Free Registration/Login Required] This flipchart was created to teach students about Pluto and the recent news of it NOT being a planet (officially). Lots of ways for students to vote on why as well as discussions about what other facts...

[Free Registration/Login Required] This flipchart briefly describes the new definition of planet as determined by the International Astronomical Union.

Here is a clear, simple picture of the solar system. Click on the names of the planets to learn more about each. Clicking on underlined terms takes you to more and more detailed scientific information.

This stunning site on the solar system gives a great overview of the planets and our sun. Learn about each object's size, vital statistics, and moons. Then go on for a more in depth look at these objects in the column on the left.

A listing of clickable images of objects in the Solar System from the Hubble telescope that includes the following: Venus, Mars, Jupiter, Jupiter's satellites, Saturn, Saturn's rings and satellites, Uranus, Uranus' rings and satellites,...

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

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.

Resource provides a deeper look at the planet Neptune. Just click on the frequently asked question link and dive into knowledge.

This site from the Solar System Exploration section of NASA provides an overview of the space mission to Pluto, Charon, and the fringes of our Solar System. It describes the Kuiper Belt, and the objects involved with it, provided links...

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.

A NASA scientist, Dr. Sten Odenwald, answers many students' questions. Topics include planets, galaxies, black holes, the origin of the universe, and common misconceptions about space.

This resource provides a general overview of all the planets in the solar system, as well as the sun, various comets and asteroids, the deep space network, and the latest solar system news.

[Free Registration/Login Required] In this lesson students will compare and contrast the attributes of star, star patterns and planets. Students will also have the opportunity to review facts about each planet and then complete various...