P3 - Energy Resources Flashcards Preview

AQA GCSE Physics > P3 - Energy Resources > Flashcards

Flashcards in P3 - Energy Resources Deck (9)
Loading flashcards...
1

What is a Biofuel?

Fuel taken from a living or recently living organism.

2

Materials used in a nuclear power station?

• Uranium
• plutonium

3

Carbon neutral?

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

4

Pumped storage system?

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

5

Difference between solar panels and solar cells?

• Panels heat water directly
• Cells generate energy directly.

6

Geothermal energy?

Water pumped onto hot rocks to make steam.

7

Disadvantages of renewable energy sources?

• 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

8

Disadvantages of non renewable energy sources?

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


9

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

light
electrical/thermal
heat