Provides detailed instructions for how to help a student make a solar system model, and additional suggestions for making a constellation poster, making a model showing phases of the moon, and creating a solar system model to scale.

An article about the Planetary Science Institutes's advanced computer software, which it uses to model the way the solar system may have formed. Includes some insights into the results already obtained.

This lesson plan from the Illinois Institute of Technology demonstrates the causes of; day and night, seasons, and phases of the moon.With a few items, you help the elementary student discover why these phenomena occur.