P3 - Energy Resources

Question 1

What is a Biofuel?

Answer 1

Fuel taken from a living or recently living organism.

Question 2

Materials used in a nuclear power station?

Answer 2

• Uranium

* plutonium

Question 3

Carbon neutral?

Answer 3

Carbon the organism takes out of the environment equals the carbon it gives off when burning

Question 4

Pumped storage system?

Answer 4

(Hydroelectric)

Water pumped uphill to the reservoir when energy demand is low, to then generate electricity when the demand is high.

Question 5

Difference between solar panels and solar cells?

Answer 5

• Panels heat water directly

* Cells generate energy directly.

Question 6

Geothermal energy?

Answer 6

Water pumped onto hot rocks to make steam.

Question 7

Disadvantages of renewable energy sources?

Answer 7

• currently cannot meet demand
• wind turbines can be unsightly
• tidal barrages affect river life in the estuary and habitats of creatures there
• hydro electric needs space- affect animals as flooding habitats
• solar needs space
• unreliable

Question 8

Disadvantages of non renewable energy sources?

Answer 8

• produce harmful greenhouse gasses - contribute to global warming
• avid rain from coal
• running out

Question 9

In a solar panel, ……… energy is converted to ……. energy. Some energy is converted into …… energy and lost to the surroundings.

Answer 9

light
electrical/thermal
heat