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Grade 9 Natural Science

The structure of the earth and the rock cycle


Up Next in Term 4

  • Mining of mineral resources

    Mining forms part of an important industry in South Africa and many people depend on mining for a living. If you are interested in mining, this lesson looks at mining mineral resources.

  • Extracting ore and refining minerals

    We look at the process of extracting metal ores buried deep underground which is called mining, the metal ores are found in the earth’s crust in varying abundance. We look at how gold is extracted and the uses of it.

  • Mining in South Africa

    We are the world’s largest producers of various minerals. This lesson is more informative about mining and its effects. This lesson also concludes what we have learnt about the lithosphere.