Activity
Science Buddies

Science Buddies: How Big Are the Planets in Our Solar System?

For Students 3rd - 5th
This activity explores the relative size of the eight planets that circle around the Sun.
Lesson Plan
Alabama Learning Exchange

Alex: Inner and Outer Planets of the Solar System

For Teachers 3rd - 5th
In this science lesson learners 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...
Handout
NASA

Nasa: Mission Science: What Is a Planet?

For Students 5th - 9th
Find out about how planets have been classified historically, and what scientists use to study them.
Website
NASA

Nasa Star Child: Planet Hop

For Students 3rd - 8th
Figure out your age and your weight on all the planets in the solar system using the formulas given here. Then type them into the correct place, and let the computer check to see if you are correct.
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.
Lesson Plan
Other

Lunar and Planetary Institute: Explore! Jupiter's Family Secrets

For Teachers Pre-K - 1st
A variety of hands-on activities, investigations, and explorations designed to engage learners in discovering planet Jupiter.
Activity
NASA

Nasa: Planets in a Bottle

For Teachers 2nd - 4th
In this simple lesson, students grow yeast to learn how the climates on each of the nine planets would affect life.
Website
Ducksters

Ducksters: Astronomy for Kids: The Planet Earth

For Students 1st - 9th
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.
Website
Ducksters

Ducksters: Space Science: Astronomy for Kids

For Students 1st - 9th
Kids learn about astronomy, the study of outer space including the stars, planets, comets, black holes, and the Solar System. History and astronomers in this astronomy for teachers and kids section.
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.
Activity
Science Buddies

Science Buddies: Stargazing for Satellites

For Students 3rd - 5th
Did you know you can see many satellites with the naked eye? Try this activity and find out for yourself!
Article
DOGO Media

Dogo News: Earthlings Beam 90,000 Friendly Messages to Mars

For Students 3rd - 8th
Article reports on recent mission by a private space company to beam messages to Mars from Earth. Includes video.
Interactive
Other

Hong Kong Space Museum

For Students 9th - 10th
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...