Can Science, Health and Physical Education - 4 5 Conservation of energy
We get energy from different sources such as coal, petroleum,
electricity, etc. The demand of such energy sourceisincreasing
due to the increase in population and more use of vehicles.
But the sources of energy are limited. Therefore, we should
use the sources of energy wisely. We have to try to conserve
or save energy sources. The following things should be done
to conserve energy sources.
It is better to use biogas in place of coal, LPG.
il Food gets cooked faster in pressure cooker. It is better
to cook food in a pressure cooker.