A Changing Earth Unit 1
Earth’s Internal Forces Tectonic Plate Movement Earthquakes Volcanoes
Earth’s External Forces Mechanical Weathering Chemical Weathering Erosion
Earth’s Layers
Earth’s Layers Atmosphere Crust Mantle Outer Core Inner Core Layer of gases including the oxygen we need to breath. Crust Most thin layer and contains the ocean floor and the continents. Mantle 1,330 miles think of how jelly like liquid- magma Outer Core Made of hot liquid metals Inner Core Hot, solid ball of iron and nickel. The temperature can be up to 12,000℉
Tectonic Plate Movement
Divergent Plate Movement
Convergent Plate Movement
Transform Plate Movement
Tectonic Plates http://www.pbslearningmedia.org/resource/ess05.sci.ess.earthsys.tectonic/tectonic-plates-earthquakes-and-volcanoes/