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Praxis II 0014 Sci-b

Praxis II 0014 Earth Processes and History

Plant Process pulls water (hydrosphere) and nutrients from the soil (lithosphere) and release oxygen and water vapor into the air (atmosphere)
Human Process built glen canyon using rock material (lithosphere) to control a lake (hydrosphere) as the water evaporates, it moves into the air (atmosphere)
Heat Solar Energy and Radioactivity; influences the Earth more than any other process in the universe
Solar Energy (the sun) the Earth is on an axis , and the sun hits the surface at varying angles causing the major climates of the planet
Radioactivity (earth's core) responsible for the plate tectonics, most volcanoes, and earthquakes, which are located near plate boundaries
Weathering the process of changing structures through the effects of the wind, water, ice, sun, and gravity
Erosion the process of moving the weathered materials (rivers, wind)
Rock cycle all rocks come from the mantle (except limestone)
Igneous Forms when magma cools (granite, pumice)
Sedimentary Forms when layers of sediments are compressed (sandstones, limestone, coal, shale)
Metamorphic Forms through the transformation of igneous and sedimentary rocks through heat and pressure (marble, slate, quartzite)
Earth's Age 5 billion years
Percent of the Earth covered in water 71%
Percent of the Earth's ocean water 97%
Precambian Eon 4.6 billion years ago, the time before the rise of life-forms
Paleozic era 570-286 million years ago- Trillobites, shells, mollusks, brachiopods, echinoderms, rise of first vertebrates, rise of land plants, rise of amphibians, insects, seed plants, and trees, and reptiles
Mesozoic era 245-144 million years ago: the rise of mammals and dinosaurs, the rise of birds, the extinction of dinosaurs, and the rise of flowering plants
Centzoic era 66 million years to present: the rise of primates, the rise of horses, the rise of hominid and modern man
Created by: ashortasiangirl
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