Energy Resources

Question 1

What is renewable energy

Answer 1

A energy source that can be replenished

Question 2

Examples

Answer 2

• wind power
• solar power
• hydroelectric power

Question 3

Advantages of renewable energy resources

Answer 3

• never run out
• do not add any carbon dioxide to the atmosphere ( does not contribute to climate change )

Question 4

Disadvantages to renewable energy resources

Answer 4

• energy sources such as wind power and solar power are not reliable
• effiency if renewable energy may be low
• require a lot of space

Question 5

How do you generate lecitricy in power stations

Answer 5

• fuel is burned to boil water at a high pressure
• the boiling water produces superheated steam
• the superheated steam turns a turbine
• the turbine rotates a magnet in the generator
• the rotating magnet generates electricity