Quiz Alternative Energies Year 2

What is the main advantage in ALL types of alternative energies we worked on?

• That they don't have Co2 emissions

• That they are very cheap

• That they are nice for the landscape

What IS NOT needed for solar energy to operate?

• Photovoltaic cells

• Water

You can use solar energy for

Wave energy: select one disadvantages

• Ecosystems can be broken down

• It can be dangerous for humans

• There can be no waves

Why is wave or tidal energy a good idea?

• Because it’s nice

• Because more than 70% of the planet is water

What is the potential use of wind energy by year 2050?

• 15%

• 18%

• 50%

What is the current use of wind energy in the world?

• 5%

• 3%

• 10%

Choose the most common (and serious) disadvantage of wind energy

• Consistency

• Complicated Installation

• Noise pollution

Why is hydroelectric power not so environmentally friendly?

• Because the building of dams can destroy ecosystems forever

• Because it can be dangerous

Which one is the best in YOUR OPINION? Justify