NASA
Nasa Earth Observatory: Changing Global Land Surface
Learn how scientists view the changes in the land surface made by humans over time. Read questions that scientists pose to answer some unknown questions about global land surface and learn several things scientists are doing to try to...
NASA
Nasa Star Child: The Planet Earth
Facts about the Earth including its orbit, its atmosphere, and its landforms. Includes a discussion question on seasons, with facts about them, and the answer. A linked page covers similar material in a "Level 2" version, and has a...
Enchanted Learning
Enchanted Learning: The Continents
Brightly colored printouts, maps, and graphics on the greatest land masses on earth. See how continental drift works, look up extremes, label maps, learn about latitude, longitude and other geography terms. Teachers will find a Landforms...