PART ONE: EARTH: Planet Earth -- Geological time -- On the inside -- Plate tectonics -- Strata and land eras -- Part one test -- PART TWO: MINERALS AND ROCKS: Igneous rock -- Sedimentary rock -- Metamorphic rock -- Minerals and gems -- Fossils -- Part two test -- PART THREE: SURFACE NEWS: Volcanoes -- Earthquakes -- Oceans -- Atmosphere -- Weathering and topography -- Part three test -- Final exam -- APPENDIX I: Conversion factors -- APPENDIX II: Crystals -- Chapter quiz answers -- Part test answers -- Final exam answers.