Why does the earth move?
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Transcript of Why does the earth move?
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Why does the earth move?L/O:
To understand why the earth’s structure is always changing To describe where volcanoes and earthquakes are found in the world
and why
http://www.youtube.com/watch?v=CtBXTvtFaCU&list=PLEAC4343D4E68CFAF
Key words:Convection currents
Tectonic plates
Convergent
Divergent
Fold mountains
http://www.youtube.com/watch?v=Cm5giPd5Uro
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The Earth’s structure
Why do they say the earth’s structure is like an apple?
http://www.youtube.com/watch?v=Q9j1xGaxYzY
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Which plate do you live on?Which plates border the plate where you live?Which plates are moving towards / away from your plate?Where do you think volcanoes and Earthquakes occur and why? Explain your answer!
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Why do the plates moves?
How do convection currents make our earth move? – draw a diagram if needed!What is created at A and B and why?One is called a CONSTRUCTIVE margin and one is called a DESTRUCTIVE margin – which do you think is which and why?
A
B
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Converging, diverging and conservative plates
Constructive / diverging margin
Destructive / converging margin
Conservative plate margin
Collision Margin