Energy Flashcards Preview

2016 exam revision > Energy > Flashcards

Flashcards in Energy Deck (9)
Loading flashcards...
1
Q

What sources of energy can only be used once

A

Coal, gas, nuclear, wood and biomass

2
Q

What energy is made from fossilised plants and animals

A

Coal, oil and gas

3
Q

What are the advantages of non renewable fuel sources

A

Use existing technology, easy to store, highly concentrated - produces a lot of electricity

4
Q

Disadvantages of non renewable fuel sources

A

Produces green house gases/nuclear waste, high running costs, limited supply - will run out

5
Q

What are renewable fuel sources

A

Solar, tidal, hydro-electric, geothermal, wood, biomass

6
Q

Advantages of renewable fuel sources

A

Cheaper to install and operate, generate energy for local area, low pollution

7
Q

Disadvantages of renewable fuel sources

A

Produce less electricity, unreliable supply, harder to store

8
Q

What are green house gases

A

Gases in the earths atmosphere that allow the Suns heat in but absorb some of the heat trying to get out eg carbon dioxide, methane, nitrous oxide and CFCs

9
Q

What is global warming

A

When human activities (eg burning fossil fuels) release green house gases that absorb heat and radiate it back to the surface, causing the earth to slowly warm up