In this online textbook, students explore the phases of the moon, the moon's orbit, the origin of the moon, and the tides. Includes numerous inquiry-based activities.

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.

This resource gives a detailed explanation of the stages that the Earth and the solar system went through beginning with their origins in the Big Bang up to the present time.

This resource, which is provided for by NASA, gives great information on protecting your eyes during solar eclipses. Your eyes are very difficult to replace. Even when 99% of the Sun's surface is obscured during the partial phases of a...