Ninth graders explore direct and indirect evidence. In this astronomy lesson, 9th graders investigate the contribution of early astronomers to their field. They create a model of the solar system.

Seventh graders create a model of an earth centered solar system and a model of the sun centered solar system. As a class, they discuss why the earlier astronomers believed their model and why it changed when evidence arose that this...

Students, working in small groups construct scale models of the planets and solar system. They examine images of Mars and discuss what might have caused the features. They record facts about their planetary research in their journals and...

Second graders distinguish the different phases of the moon. In this astronomy lesson, 2nd graders study the history of its discovery and myths about its origin. They simulate how the moon's surface is illuminated by the sun.