Earth as a planet -- Earth materials -- How old is old? The rock record and geologic time -- Plate tectonics -- Earthquakes and earth's interior -- Volcanoes and igneous rocks -- Weathering and erosion -- From sediment to sedimentary rock -- Folds, faults, and geological maps -- Metamorphism : new rock from old -- Water on and under the ground -- The ocean and the atmosphere -- Climatic extremes : deserts and glaciers -- Earth's climates : past, present, future -- A brief history of life on earth -- Understanding Earth's resources