Exploring Space covers these concepts: • Earth is part of a solar system in the Milky Way galaxy • stars are huge balls of hot, glowing gases • our sun is a star • groups of stars seen together are called constellations • each planet in our solar system has unique characteristics • Earth has one satellite called the moon • Earth's movements through space cause day and night and the seasons • scientists study space in many ways A variety of engaging activities present the concepts in ways that students can understand. Each concept presented includes: • teacher directions for lessons • reproducible resource pages such as sets of picture cards, minibooks, and lab sheets to record the results of hands-on investigations