To understand why the earth’s structure is always changing 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 Key words: Convection currents Tectonic plates Convergent Divergent Fold mountains http://www.youtube.com/watch?v=Cm5giPd5Uro http://www.youtube.com/watch?v=CtBXTvtFaCU&list=PLEAC4343D4E68CFAF
The Earth’s structure http://www.youtube.com/watch?v=Q9j1xGaxYzY Draw your own Why do they say the earth’s structure is like an apple?
Which plate do you live on 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!
Why do the plates moves? B A 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?
Converging, diverging and conservative plates Constructive / diverging margin Destructive / converging margin Conservative plate margin Collision Margin