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What is the earth? What’s it made of? How do volcanic eruptions happen? What is an Earthquake? Progress checker
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It’s not just man that’s causing chaos!
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Lesson objectives Explain what tectonic plates are Describe what volcanoes and earthquakes are and where they occur. Demonstrate that the earth is a changing environment that is constantly in flux.
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Ring of fire
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Tectonic plate demo Volcano demo Milky way demo
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Sea floor spreading – an extension of seafloor spreading by plate tectonics moving with the extrusion of magma (constructive plate margins) Weathering - break down of rock into smaller particles at a site Erosion- weathered particles removed from site Heating and pressure – temperature increase and load exerting a force Sedimentation - Deposit of sediments Mountain building - plates converging (destructive) (subduction zones) forming rock peaks (mountains) Dissolving – to be soluble (in water) Key words and definitions
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What is the earth? What’s it made of? How do volcanic eruptions happen? What is an Earthquake? Progress checker
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Success criteria for first part of 2D.P9 You must describe; The structure of the Earth. All the layers! Plates tectonics and volcanic eruptions and how these factors influence the Earth’s crust. This is a nice website for plenty good info. http://www.bbc.co.uk/schools/gcsebitesize/geography/natural_hazard s/tectonic_plates_rev1.shtml Happy postering!
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What is the earth? What’s it made of? How do volcanic eruptions happen? What is an Earthquake? Progress checker
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Lesson objectives Explain what tectonic plates are Describe what volcanoes and earthquakes are and where they occur. Demonstrate that the earth is a changing environment that is constantly in flux.
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