Energy Resources (In all Spheres) Flashcards
1
Q
What are energy resources for hydrosphere ? (2)
A
- Hydraulic energy
- Marine currents (Tidal power plants)
2
Q
What are advantages and disadvantages for hydraulic energy ?
A
Advantages:
- Renewable
- green
Disadvantage ;
- Expensive (initial)
- Changes ecosystem
3
Q
What are advantages and disadvantages for marine currents (Tidal power plants)
A
Advantages:
- Renewable
- green
Disadvantage ;
- Fish die
- Expensive
- Corrosion
4
Q
What are the energy resources in lithosphere ? (3)
A
- Uranium/nuclear
- fossil Fuels
- Geothermal Energy
5
Q
What are advantages and disadvantages for nuclear power ?
A
Advantages:
- After initial investment very cheap
- Get lots for little
Disadvantage ;
- Non-renewable
- Radioactive
6
Q
What are advantages and disadvantages for fossil Fuels ?
A
Advantages:
- Cheap
- known technology
Disadvantage :
- Non renewable
- Non-green
7
Q
What are advantages and disadvantages for Geothermal Energy ?
A
Advantages:
- Renewable
- green
Disadvantage ;
Expensive
