PBS
Pbs Learning Media: Earth and Moon
Students are asked to compare and contrast the earth and the moon.
Enchanted Learning
Enchanted Learning: The Planets
This survey of the planets includes all the basics, size, mass, atmosphere, length of day, and the like. It features interactive activities and learning exercises and compares all of the planets in colorful tables.
NASA
Nasa: Sci Jinks: How's the Weather on Other Planets?
Compare weather here on Earth to other planets and moons in our solar system. You will find many similarities and differences.