Cards (18)

    • What should you be able to describe by the end of the video?
      Ways to reduce the use of resources
    • What types of materials are produced for modern life?
      Glass, metals, plastics, and ceramics
    • What are raw materials often obtained from?
      Quarrying or mining
    • What are the environmental impacts of quarrying?
      Produces dust and destroys habitats
    • What harmful effects can mining have on the environment?
      Releases harmful chemicals
    • What is required to turn raw materials into useful products?
      A lot of energy
    • What is a common source of energy for processing raw materials?
      Fossil fuels
    • How can we reduce the need for raw materials?
      By reusing or recycling
    • What are the benefits of reusing or recycling materials?
      Saves resources and reduces waste
    • What can glass bottles be done with after use?
      They can be reused or crushed
    • What can plastic bottles be recycled into?
      Fleece jackets and carpets
    • How are metals recycled?
      They are melted and cast into products
    • Why do different metals need to be separated before recycling?
      Depends on the properties of the final product
    • How can scrap steel be used in recycling?
      Added to iron from a blast furnace
    • What does adding scrap steel reduce the need for?
      Extracting iron from iron ore
    • What are the main ways to reduce resource use?
      • Reusing materials
      • Recycling materials
      • Reducing waste production
      • Using less energy
    • What are the environmental impacts of quarrying and mining?
      Quarrying:
      • Produces dust
      • Destroys habitats

      Mining:
      • Releases harmful chemicals
      • Consumes a lot of energy
    • What are the benefits of recycling metals?
      • Reduces the need for raw materials
      • Saves energy in production
      • Minimizes environmental impact
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