Sustainability

Cards (15)

  • What is the focus of today's video?
    The focus is on sustainable development and the role of reusing and recycling resources.
  • What is sustainable development?
    Sustainable development meets the needs of current generations without harming future generations.
  • Why is it important not to use up all the limited resources on our planet?
    Using up resources can negatively impact future generations.
  • How does using renewable resources contribute to sustainable development?
    Renewable resources can be replenished, unlike finite resources.
  • Why might making products out of wood be more sustainable than making them out of plastic?
    Wood is renewable, while plastic comes from finite crude oil.
  • What is a key consideration in the manufacturing process for sustainability?
    The amount of energy used in the manufacturing process is crucial.
  • How can chemists reduce the environmental impact of manufacturing?
    By making processes more efficient and reducing energy requirements.
  • What is one method chemists use to reduce energy requirements in manufacturing?
    Using catalysts and optimizing temperatures and pressures.
  • What does reusing an item mean?
    To use it again for the same or a different purpose.
  • What happens to glass when it is recycled?
    Glass is separated by color and type, crushed, and melted to form new products.
  • What are some new products that can be made from recycled glass?
    New bottles, jars, or insulating glass wool for wall insulation.
  • How are metals recycled?
    Metals are melted and reformed into different products after separation.
  • Why is it necessary to separate metals before recycling?
    To ensure different elements are melted and reformed correctly.
  • Can scrap steel be added to pure iron during recycling? Why or why not?
    Yes, it can reduce the amount of pure iron needed from extraction.
  • What is the conclusion of the video?
    To like and subscribe for more content.