Today's new ELI is
'Journey to the centre of the Earth - on a toilet roll; just how thin is the crust we live on?' We seldom stop to consider the true scale of many features of the Earth. This activity aims to enable pupils to visualise the thickness of the crust in relation to the rest of the Earth. It also helps them to appreciate the difference in depth between the oceanic crust and the continental crust. It introduces the terms 'lithosphere' and 'asthenosphere' to help in understanding plate tectonic theory.
Other related activities about the structure of the Earth can be found on the
website.
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