Question

3. a List six social everyday benefits for which electrical
energy is responsible.
b Draw up two lists of suggestions for saving energy
(i) in the home, and
(ii) globally.

Answer 1

Answer:

1) Turn off the fan when you leave a room.

2) Close your drapes or drop your window shades during the day.

3) Wash your clothes in cold water.

4) Wrap or cover foods and drinks in the refrigerator.

5) Always use the cold water faucet, unless you really want hot water.

and the last point Energy generated by electric eels.

Answer 2

Answer: a.(1) They can produce electricity at any time of day and in any season of the year.

(2) They bring to society as a clean and convenient energy supply.

(3) There are no fuel costs associated with electricity generation from renewable energy sources such as wind power.

(4) They produces large amounts of power with minimal carbon dioxide emissions.

(5) They also bring to society as a fairly cheap energy supply.

(6) They are easy to set up and create jobs.

b. (i) Turn off lights when not in use

        Use LED lights

   (ii) Reduce water consumption

        Install solar-powered lights