Question

The gravitational pull of the moon causes the sea-water to rise periodically.

(a) What name is given to the condition of the sea when its water is raised?
(b) What name is given to the condition of the sea when its raised water recedes?
(c) What name is given to the energy which can be harnessed from this natural phenomenon?
(d) Draw labelled diagram to show how this energy can be harnessed to generate electricity.

Answer 1

(a) The name 'high tide' is given to the condition of the sea when its water is raised.
(b) The name 'low tide' is given to the condition of the sea when its raised water recedes.
(c) The name of the form of energy that can be harnessed by this process is 'tidal energy'.
(d)