About the contents: The Earth's Structure. * Earthquakes, tsunamis, and volcanoes. * Oceans and features of the ocean floor. * Earth's layers. * Plate tectonics, hot spots and pole. * Landscape formationreversal patterns. * Rocks and minerals; rock and fossil dating. Climate. * Atmosphere, storms, and forecasting. * Water and climate. * Insolation and the seasons. * Weathering and agents of erosion. Environmental Concerns. * Conservation. * Pollution. Space. * Comets, asteroids, and meteoroids. * Motions of the earth, moon, and sun. * Kepler's laws of planetary motion. * Origin of the universe. Review and Resources. * Chapter-end quizzes. * Comprehensive end-of-book quiz. * Glossary of key terms. * Appendix of topic-related resources and websites. AUTHOR: Scott Ryan teaches earth science at Ardsley Middle School in Ardsley, New York.