P3 - Sustainable Energy

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  • Created by: Megs555
  • Created on: 05-12-15 11:20
What is the difference beween a primary energy source and a secondary energy source?
Primary energy sources are used in the form that they are found. Secondary energy sources are proudced frm primary sources.
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Why will our supply of fossil fuels run out?
We are using them quicker than they can be replaced.
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How do fossil-fuel power stations contribute to global warming?
Burning them produces CO2, which is a greenhouse gas and causes pollution/rise in temperaures.
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What damage is caused to the environment when extracting fossil fuels?
Oil spills when drilling for it, damage to local areas from coal mining.
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What damage is caused to the environment when burning fossil fuels?
It produces sulphur dioxide, which contributes to acid rain.
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What is the equation for measuring energy transferred?
Energy transferred = power X time.
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What is the equation for calculating power?
Power (W) = voltage (V) X current (A).
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What transfers electrical energy in a circuit?
A component.
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Why does the energy in a circuit eventually spread to the surroundings?
The component, wires and cables heat up slightly, emitting heat energy.
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Other cards in this set

Card 2

Front

Why will our supply of fossil fuels run out?

Back

We are using them quicker than they can be replaced.

Card 3

Front

How do fossil-fuel power stations contribute to global warming?

Back

Preview of the front of card 3

Card 4

Front

What damage is caused to the environment when extracting fossil fuels?

Back

Preview of the front of card 4

Card 5

Front

What damage is caused to the environment when burning fossil fuels?

Back

Preview of the front of card 5
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