The earth, our home planet, and the star of Earth Day celebrations everywhere! Celebrate Earth Day or examine Earth's place in the solar system, with a fun and easy craft, perfect for children nine and up. Paper mache ornaments, paint,...

Students learn their addresses and gain a sense of connection between their neighborhood and the rest of the world and the universe.

A great description of the global scale circulation and heat energy. Discusses a single-cell model, a three-cell model, jet streams and more.