4Exploring 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