CK-12 Foundation
Ck 12: Earth Science: Inner Versus Outer Planets
[Free Registration/Login may be required to access all resource tools.] Compares the characteristics of inner and outer planets.
CK-12 Foundation
Ck 12: Earth Science: Inner Versus Outer Planets
[Free Registration/Login may be required to access all resource tools.] Compares the characteristics of inner and outer planets.
Scholastic
Scholastic: Study Jams! Science: Our Solar System: Inner Planets
A slideshow and a short multiple-choice quiz on the four inner planets of our solar system, which include Mercury, Venus, Mars, and Earth.
ClassFlow
Class Flow: Astronomy Planets
[Free Registration/Login Required] The student will be able to compare and contrast the similarities and differences of the planets. The student will be able to name three facts about inner planets and three facts about outer planets.
National Earth Science Teachers Association
Windows to the Universe: Our Solar System
Our solar system is filled with a wide assortment of celestial bodies - the Sun itself, our eight planets, dwarf planets, and asteroids - and on Earth, life itself! The inner solar system is occasionally visited by comets that loop in...
Quia
Quia: Brushing Your Teeth
This site gives you opportunities to practice putting the planets in the correct order from the sun. Press "Click here to begin" to get started.