Earth Science Grade 11: Energy Resources Unit 5
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Questions and Answers

What is hematite primarily used for?

  • Creating ceramics and pottery
  • Producing steel (correct)
  • Constructing batteries and electrical components
  • Making jewelry and cutlery
  • Which mineral is commonly found in drill bits and saws?

  • Sphalerite
  • Diamond (correct)
  • Graphite
  • Chalcopyrite
  • What is the primary use of kaolinite?

  • As a lubricant in batteries
  • As a component in electronic wiring
  • In ceramics and bricks (correct)
  • In the production of plaster and wallboard
  • Which mineral is commonly used in food preservation?

    <p>Halite (salt)</p> Signup and view all the answers

    What method of mining is typically considered the most expensive and difficult?

    <p>Stripping of overlying rock</p> Signup and view all the answers

    Study Notes

    Earth Science - Grade 11 STEM - Unit 5: Energy Resources

    • Unit 5 is about energy resources, focusing on mineral resources, nonrenewable energy resources, and renewable energy resources.
    • Lesson 1 covers mineral resources, including identifying different types and how people obtain them.
    • Mineral resources are categorized into metallic and nonmetallic.
    • Metallic minerals include hematite and magnetite (used in steel), galena (used in car batteries and solder), gold, silver, and platinum (used in electronics, dental work, coins, jewelry, utensils, and bowls), chalcopyrite/copper (used in wiring, coins, and jewelry), and sphalerite/zinc (used in brass and galvanized steel).
    • Nonmetallic minerals include diamond (used in drill bits, saws, and jewelry), graphite (used in pencils, paint, lubricants, and batteries), calcite (used in cement and building stone), halite (used in food preparation and preservation), kaolinite (used in ceramics, cement, and bricks) quartz (used in glass), sulfur (used in gunpowder, medicines, and rubber), and gypsum (used in plaster and wallboard).
    • Different methods of mining are discussed. These include subsurface mining where miners work underground; surface mining where mineral deposits close to the surface are stripped away; placer deposits which involve dredging or removing sediments and debris from water bodies; and deep-sea, the most expensive and difficult, involving submarine mining technologies.

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    Description

    This quiz covers Unit 5 of the Grade 11 Earth Science curriculum, focusing on various energy resources including mineral resources. Students will learn about different types of metallic and nonmetallic minerals, their uses, and how they are obtained. Test your knowledge on both renewable and nonrenewable energy sources.

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