Renewable Energies

Energy can be classified into..

• Renewable and non renewable
  
• Natural and non renewable
• Renewable and Natural
  
• All of them

Which technology converts solar energy into electricity?

• Photovoltaic cells/ Solar panels
  
• Solar still
• Generator
• All of them
  

Why is solar energy considered renewable energy?

• It's cheaper than fossil fuels
• The sun's energy would not run out for billions of years
  
• Solar energy recharges batteries
• All of them

In which part should you place a solar panel?

• On the top/roof of a building
  
• On the door of a building
• On the street
• Near a park

What are the following devices called?

• Turbines
• Mills
• Converters
• All of them
  

Which part of the wind turbine produces electricity?

• Blades
  
• Generator
• All the wind turbine
• None of them

 How does a wind turbine work?

• Wind turns blades, which are connected to a rotor that is also connected to generator, which converts the energy into electricty
• Wind turns blades, which are connected to a generator, that is also connected to a rotor which converts energy into electricity

Wind is always constant (the same)

• Yes
• No

Wind turbines that are placed in large bodies of water are called

• Offshore wind turbines
• Land wind turbines
• Both
• None of them

Where will it be better to place a wind turbine? Where will it receive more wind?

• On top of a hill/mountain
• On the bottom of a hill/mountain
• Is the same
• I don't know