CHAPTER 07: SUSTAINABLE USE OF POWER AND ENERGY RESOURCES
Energy is the power required to carry out an activity. Power is the ability to do something (work). Therefore, Energy produces power that used to carry out an activity. Energy sources can be divided into the following two broad categories : (a)Renewable sources (b)Non-renewable sources (a)Renewable Sources : Are those sources (resources) that cannot be finished or exhausted. For example, sun, wave, tides, geothermal steam and biogas or biomass. Renewable sources also are known as inexhaustible sources (b) Non-Renewable Sources: These are sources that can be exhausted or finished. Nonrenewable sources, also known as exhaustible resources. Examples of Non Renewable resources are coal, petroleum, natural gas, fuel wood, nuclear energy and all radioactive mineral like uranium and plutonium. Renewable Energy Sources and Non-Renewable Energy Sources: 1. Sun : The sun is the source of all the other sources of energy. This is because all the other sou