Science 7.5 Our Planet Earth

  • Interactive Textbooks
  • Layers of the Earth
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  • Plate Movements of the Earth's Crust
  • Minerals and Rocks
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  • Properties of Minerals
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  • Valuable Minerals and their Uses
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  • Rocks - Process of Change
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  • Weathering and Erosion
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  • Human Activities causing Weathering and Erosion
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