P3- Energy Resources

Question 1

What are your energy demands mostly m’est by burning?

Answer 1

Oil coal and gas

Question 2

Name a renewable source of energy?

Answer 2

Biofuels. Biofuels such as methane and ethanol can be used to generate electricity.

Question 3

Name four renewable energy sources from wind and water?m

Answer 3

Hydroelectricity power turned by water running downhill
Wind power- a wind turbine is an electricity generator on top of a tall tower
Wave power- waves generate electricity by turning a floating generator
Tidal power- station traps each high tire and uses it to turn generators

Question 4

Where does geothermal energy come from?

Answer 4

Energy transferred by radioactive substances deep inside the earth.
Water pumped into hot rocks underground produces steam to drive turbines at the earths surface that generate electricity.

Question 5

What do nuclear fuels produce?

Answer 5

Radioactive waste. Needs to be stored for centuries. An explosion in a reactor could release radioactive material over a wide area.