tidal

Question 1

how do tidal barrages work?

Answer 1

a tidal barrage allows water to flow into a bay or river during high tide, and then releases that water during low tide

Question 2

how are tides produced?

Answer 2

by the gravitational pull of the sun and moon

Question 3

energy transfer

Answer 3

gravitational potential to kinetic

Question 4

tidal advantages

Answer 4

-no pollution
-very reliable, will happen twice a day
-can generate a lot of energy
-no fuel costs
-minimal running costs

Question 5

tidal disadvantages

Answer 5

-alter habitat of wildlife
-spoil view and prevent access by boat
-high initial costs
-can flood land
-energy produced depends on tide height