Unit 4 key questions 1.What are tectonic hazards and what causes them? 2.What impact does tectonic activity have on landscapes and why does this impact.

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Presentation transcript:

Unit 4 key questions 1.What are tectonic hazards and what causes them? 2.What impact does tectonic activity have on landscapes and why does this impact vary? 3.What impact does tectonic activity have on landscapes and why does this impact vary? 4.How do people cope with tectonic hazards and what are the issues for the future?

Lesson objectives To recap prior learning To know the meanings of keywords for this enquiry question To be able to accurately and quickly sketch key diagrams to aid with explanations

What’s the meaning? Lithosphere Asthenosphere A layer in the earth approx. 80 – 300 km below the surface that posses less mechanical strength than the layer above it The study of the direction and intensity of the Earth's magnetic field through geologic time Paleomagnetism The thin upper layer of the earth made up of the upper mantle and crust that is broken into 12 major tectonic plates

Task 1: Describe the location of the world’s major tectonic plates

Task 2: Draw a map of the world’s major tectonic plates – all you have is a blank piece of paper! 2 minutes – GO! Why have we done this? In the exam you are encouraged to draw diagrams to support your ideas.

Re-cap: Divergent plate boundary Draw a detailed labelled diagram of this Use real plate examples! Keyword check Continental plate Convection currents New land formed Asthenosphere Magma

'Describe and explain the distribution of tectonic events' 1.What structure should you use to answer this question? 2.What theories and evidence can you use? 3.How long would you have in the exam to answer this question? HW: Revise so that you are ready to do a timed essay on this question in our next lesson. (Mon) TASK: Write an essay plan for this question

Plenary Name a divergent plate boundary Name and describe an area on a destructive plate boundary What is currently the world’s most tectonically active plate?