MYP 7 Science - Chemistry

MYP 7.4.6: Chemicals from the sea


The sea makes up 80% of the earth's surface. It is a fantastic resource of both organic and inorganic matter.


  • To know that the water cycle leaches salts from the land into the sea
  • To know that the sea is mainly sodium chloride

Student activity

Electrolysis of sodium chloride


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