Global energy sources

Question 1

What are 3 advantages to wind turbines?

Answer 1

1. No pollutant gases are released.
2. Wind is a renewable resources.
3. Wind farms can be built almost everywhere.

Question 2

What are 3 disadvantages of wind turbines?

Answer 2

1. It is unreliable.
2. Visual pollution.
3. Noise pollution.

Question 3

How is energy transferred through a pumped storage power station (hydroelectricity)?

________________________ energy at the _____ of a reservoir is connected to ___________ energy as it flows to the ___________ reservoir.

The _____________ converts the kinetic energy into _______________ energy.

Answer 3

Gravitational potential
top
kinetic
bottom

generator
electrical