JSS1 Basic Science Lesson Note on Renewable and Non-Renewable Energy

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TOPIC: RENEWABLE AND NON-RENEWABLE ENERGY

SUB-TOPIC: Renewable Energy

Meaning:

 Renewable is energy from a source that can last forever or that is replaced naturally. Examples of renewable energy are:

• (i) Solar energy
• (ii) Wave energy
• (iii) Hydro-energy from hydroelectric dams that have generators turned by water to produce electricity (e.g. Kanji dam, Shiroro dam).
• (iv) Biomass/ Biofuels
• (v) Wind energy which is a source of energy used to run windmills to produce electricity.

Wind power is not common in Nigeria as in overseas countries. Sun, wind and water will always exist and hence termed renewable energy.

Uses/Advantages of Renewable Energy

1. It can be used to generate electricity e.g. hydro energy
2. It is used for cooking at homes e.g. wood/biofuel.
3. It enables the growth of our crops e.g. solar energy.
4. It facilitate movement of people and goods from one place to another e.g. fuel, diesel, natural gas.
5. Renewable energy lasts a life time
6. Renewable energy is clean and does not cause pollution
7. Renewable energy is cheap once it is fully installed

Misuses/Disadvantages of Renewable Energy

1. It can be used to produce nuclear weapons e.g. atomic bomb
2. It can cause flooding through overflowing of dams
3. Wind can be disastrous e.g. storms

NON-RENEWABLE ENERGY:

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