Using the Earth's Resources

• What should you be able to do by the end of the video?

  Give examples of resource usage
• What is the difference between finite and renewable resources?

  Finite resources cannot be replaced quickly
• What are four examples of how humans use Earth's resources?

  Warmth, shelter, food, transport
• How does modern agriculture help meet the world's cotton needs?

  It allows for large-scale cotton production
• What is a good example of a resource produced by agriculture?

  Cotton
• What type of fuel do many power stations run on now?

  Biofuels such as wood chips
• How are trees used in relation to Earth's resources?

  Trees are used for timber and fuel
• What has chemistry replaced in some cases regarding natural resources?

  Synthetic alternatives for natural resources
• What is a good example of a synthetic alternative to natural rubber?

  Synthetic rubber from crude oil
• Why are fossil fuels considered finite resources?

  They cannot be replaced quickly
• How much fossil fuel do humans use daily?

  Millions of kilograms
• What happens if we continue using fossil fuels at the current rate?

  They will eventually run out
• What is another example of a finite resource besides fossil fuels?

  Metals
• Why are renewable resources important?

  They can be replaced as quickly as used
• What is a good example of a renewable resource?

  Wood
• What does it mean for human activities to be sustainable?

  Meet needs without harming future generations
• How does chemistry contribute to sustainable resource use?

  By providing artificial fertilizers and safe water
• What processes help extract metals more efficiently?

  Phyto mining and bio leaching
• What are the roles of chemistry in resource management?

  • Provides artificial fertilizers for food growth
  • Ensures safe drinking water
  • Enhances metal extraction efficiency
• What are the differences between finite and renewable resources?

  Finite Resources:

  • Cannot be replaced quickly
  • Examples: fossil fuels, metals

  
  

  Renewable Resources:

  • Can be replaced as quickly as used
  • Examples: wood, solar energy
• How can human activities be made sustainable?

  • Use resources responsibly
  • Ensure future generations can meet their needs
  • Implement efficient agricultural practices