Describe the renewable energy resources. Give an advantage and disadvantage for each. Solar Power:
Generate electricity from sunlight. Advantage - used in remote sunny places. Disadvantage - can't increase output to meet demand.
2 of 14
Describe the renewable energy resources. Give an advantage and disadvantage for each. Wind Power:
Uses wind to generate electricity. Advantage - No Pollution. . Disadvantage - Spoils the view. Cannot increase the power output.
3 of 14
Describe the renewable energy resources. Give an advantage and disadvantage for each. Wave Power:
Small wave powered turbines on coast. Advantage - No pollution. Disadvantage - Destroy habitat.
4 of 14
Describe the renewable energy resources. Give an advantage and disadvantage for each. Tidal Power:
Dam build across a river estuary. Advantage - No pollution, its renewable. Disadvantage - Prevents free access boats and animals.
5 of 14
State the conservation of energy.
Cannot be created/destroyed but can be transferred/stored/dissipated.
6 of 14
What is meant by the 'dissipation of energy'?
Energy that is stored in a way that is not useful.
7 of 14
Describe the renewable energy resources. Give an advantage and disadvantage for each. Hydroelectric Power:
Flooding a valley by building a dam. Advantage - Gives immediate response and is reliable. Disadvantage - Damage to environment.
8 of 14
Describe the renewable energy resources. Give an advantage and disadvantage for each. Geothermal Sources:
Slow decay. Advantage - Reliable, very little damage done to the environment. Disadvantage - Not many suitable locations for the power plants (can't be used in drought countries) .
9 of 14
Describe the renewable energy resources. Give an advantage and disadvantage for each. Biomass:
Created from plant production/animal waste. Advantage - Reliable, carbon neutral. Disadvantage - Large areas of forest need to be used.
10 of 14
What is a U value?
The lower the U value, the better insulator and how effective it is.
11 of 14
Define efficiency.
How much useful power you get from a device, compared with what went in.
12 of 14
State the ways that efficiency can be increased in a: Mechanical System.
Lubrication.
13 of 14
State the ways that efficiency can be increased in a: Thermal System.
Insulation.
14 of 14
Other cards in this set
Card 2
Front
Describe the renewable energy resources. Give an advantage and disadvantage for each. Solar Power:
Back
Generate electricity from sunlight. Advantage - used in remote sunny places. Disadvantage - can't increase output to meet demand.
Card 3
Front
Describe the renewable energy resources. Give an advantage and disadvantage for each. Wind Power:
Back
Card 4
Front
Describe the renewable energy resources. Give an advantage and disadvantage for each. Wave Power:
Back
Card 5
Front
Describe the renewable energy resources. Give an advantage and disadvantage for each. Tidal Power:
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