This book presents classroom activities and reading materials. The activities use a hands-on approach and address the standards. Each features both a student section and a teacher guide. Eleven activities include: (1) "It's Only a Paper Moon"; (2) "Time Traveler"; (3) "Solar System Scale"; (4) "Hello Out There!"; (5) "How Far to the Star?"; (6) "Solar System Soup: The Formation of the Solar System"; (7) "The Goldilocks Effect or 'This Planet Is Just Right!'"; (8) "The Greenhouse Effect"; (9) "Creature Feature"; (10) "Reason for the Seasons"; and (11) "Ping-Pong Phases." Readings include: (1) "Angular Diameter"; (2) "What Is a Light Year?"; (3) "Hubble Space Telescope"; (4) "Scale Measurements"; (5) "Scouting Earth/Moon"; (6) "The Parallax Effect"; (7) "Understanding the Earth as a System"; (8) "After the Warming"; (9) "Atmosphere, Oceans, Cryosphere, and Hydrologic Cycle"; (10) "The Greenhouse Effect"; (11) "Interaction of Human Activities with the Natural Environment"; (12) "Reason for the Seasons"; (13) "Phases of the Moon"; and (14) "Understanding the Moon Illusion." (YDS)