ResultsThe Earth’s crust versus the prep. room – why the differences? Provided by Classroom activity Description:
For this activity students study, compare and answer questions on graphs showing the elemental composition of the Earth’s crust and of the aggregate composition of the compounds found in a typical school prep. room.
Activity details available at: https://geohubliverpool.org.uk/jesei/earths%20crust%202.htm
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