tidal energy Flashcards
1
Q
what’s tidal energy
A
energy produced from the movement of tides/currents
2
Q
what are the pros of tidal energy (5)
A
- renewable
- little greenhouse gases
- predictable
- once built, the energy is free
- can move large turbines (water is dense)
3
Q
what are the cons of tidal energy (4)
A
- dams are very expensive to build
- can disrupt aquatic life
- only generates for 6-12hrs per day
- must be coastal
