Presentation on theme: "Earth’s Surface Review"— Presentation transcript:
1Earth’s Surface Review Drill: Which sphere does a plant belong to; Geosphere, Atmosphere, Hydrosphere, or Biosphere?How does it interact with the other spheres?Objective: Students will be able to utilize the lesson outline in order to prepare for the test.HW: Test on Thursday.
2Earth’s SphereGeosphere: Earth’s entire solid body. It includes rocks and sediments that cover the core. The largest of the spheres.Biosphere: All living organisms on Earth. They interact with all other spheres.Atmosphere: Outermost system, it is the layer of gasses that surround Earth.Hydrosphere: Earth’s waters. It can be on the surface, underground, or in the atmosphere.
3Formation of EarthNebular Theory: Theory that the sun and all the planets were formed from a swirling mass of gas and dust.Gravity pulled materials in all directions to make Earth spherical.Densest materials pulled to the center.Earth is not a perfect sphere but slightly flattened.
4Layers of EarthCrust: Brittle rocky outer layer. Thinnest of all layersMantle: Thick middle layer of the earth. Consists of upper and lowerOuter Core: Liquid center portion of Earth. Made of iron and nickel.Inner Core: Inner most portion of core. Made of solid iron and nickel.Lithosphere: Crust and the upper most mantle which consists of heated brittle rock.Asthenosphere: Below the lithosphere, it is the liquid portion of the mantle where tiny rocks melt.Magnetic field: Created by the rubbing of the inner and outer due to their different rates of spin.
5Landforms: Topographical features formed by processes that shape Earth. Plains: Low elevation and low relief (difference in height).Coastal and InteriorPlateaus: High elevation and low relief.Appalachians and Rocky Mountains.Mountains: High elevation and high relief.Piedmont, Appalachian, Ozark, Colorado, and Columbia Plateau