"Pockets full of knowledge"

Includes index.

How to use this book -- Planet Earth -- How the Earth was formed -- The Earth in space -- Earth's magnetic field -- Earth's atmosphere -- M apping the Earth -- Earth's plates and continents -- The earth's crust -- Moving continents -- Inside the Earth -- Volcanoes -- The Earth's vo lcanoes -- Volcano shapes -- Explosive volcanoes -- Nonexplosive volcan oes -- Volcanic landscapes -- Earthquakes -- When the Earth shakes -- M easuring earthquakes -- Earthquake damage -- Landscape, weathering, and erosion -- Landscapes and soil -- Erosion in wet climates -- Erosion i n arid climates -- Rocks and minerals -- Igneous rocks -- Sedimentary r ocks -- Fossils -- The ages of the Earth -- Metamorphic rocks -- Minera ls -- Gemstones -- Mineral resources -- Ore minerals -- Fossil fuels : coal -- Fossil fuels : oil and gas -- Other sources of energy -- Mounta ins, valleys, and caves -- The world's mountains -- Mountain features - - Valleys -- Caves -- Glaciation -- The world's glaciers -- Ice caps an d ice ages -- Avalanches and icebergs -- Oceans, islands, and coasts -- The world's oceans -- Waves and tides -- The ocean floor -- Ocean feat ures -- Islands -- Coasts -- Rivers and lakes -- The world's rivers -- River features -- Lakes -- Harnessing water -- Climate and weather -- C limate -- Wind and weather -- Weather mapping -- Clouds -- Rain and thu nderstorms -- Snow, hail, and frost -- Hurricanes and tornadoes -- A fu ture for the Earth -- Ecology -- Habitat destruction -- Conservation.