Origin of Earth, composition, seasons, atmosphere, weather, clouds, storms. Grades 6—10.
Topics inclued:
* Origin of the Earth * Geologic Time Scale * Precambrian * Paleozoic * Mesozoic * Crust
* Core * Hemisphere * Lithosphere * Hydrosphere * Atmosphere * Axis
* Solar Eclipse * Vernal Equinox * Autumnal Equinox * Summer Solstice * Winter Solstice * Mantle
* Physical Weathering * Topographic Map * Lunar Eclipse * Chemical Weathering * Erosion * Glaciers
* Iceberg * Continental Drift * Divergent Plates * Convergent Plates * Mountains * Volcanoes
* Mountain Formation * Earthquakes * Seismology * Sedimentary Rocks * Igneous Rocks * Extrusive Rocks
* Metamorphic Rock * Rock Cycle * Topsoil * Subsoil * Bedrock * Minerals
* Fossils * Law of Superposition * Hydrosphere * Water Cycle * Aquifers * Water Table
* Oceans * Continental Shelf/Slope * Abyssal Plains * Mid-Ocean Ridge * Ocean Waves * Tsunamis
* Tides/Currents * Coriolis Effect * Troposphere * Stratosphere * Mesosphere * Thermosphere
* Exosphere * Ionosphere * Magnetosphere * Van Allen Belts * Weather Maps * Isobars
* Isotherms * Weather Prediction * Beaufort Scale * Winds * High Clouds * Middle Clouds
* Low Clouds