Why do scientists use models? In the first installment of 22, groups create scale models of our solar system. They then share and discuss their models.

Dramatize the stars and planets as they become a visual representation of the solar system in this activity. Young astronomers track and simulate various constellations as they orbit the Earth to learn the position and motion of...

Students study and classify soil. In this soil science instructional activity, students classify soil by texture and size and study soil horizons. Students label the soil types with their specific soil horizon and learn about permafrost....