wind and solar

• How is wind power captured?

  Through the use of wind turbines
• Where are wind turbines generally placed?

  In exposed areas like malls or coasts
• What do wind turbines convert kinetic energy into?

  Electrical energy
• What is the main component inside a wind turbine?

  A generator
• How do solar cells generate electricity?

  From sunlight
• What are solar cells often made into?

  Solar panels
• In what types of devices do solar cells work well?

  Low energy devices like watches and calculators
• Where is solar power particularly useful?

  In remote regions like the Australian outback
• What is the current trend in solar energy usage?

  Used on a larger scale for towns
• What are the pros and cons of wind and solar energy?

  Pros:

  • Very low running costs
  • No pollutants produced, including CO2

  
  

  Cons:

  • High upfront costs
  • Production process can create pollutants
  • Dependent on weather conditions
  • Require a lot of space
  • Aesthetic and noise complaints
• What is a major issue with both wind and solar energy?

  They depend on weather conditions
• What is a limitation regarding electricity supply from wind and solar energy?

  No way to increase supply during peak demand
• What do people often complain about regarding wind turbines?

  They don't look nice and are noisy
• How is the environmental impact of wind and solar energy described?

  Neither damages the environment
• What is happening to the costs of wind and solar energy?

  Both are getting cheaper every year