Using Energy Wisely

State the methods of using energy wisely

Advantages of Renewable Energy

• continuous supply.
• can be replenished within a short period of time.
• most of the resources are fairly non-polluting and available locally.

Form of energy.

Kinetic energy, Potential energy, Electrical energy, Chemical energy, Thermal energy, Mechanical energy, Motion energy, Nuclear energy, Sound energy, Gravitational energy.

Transformation of energy ~ Law of Conservation of Energy

• energy cannot be created or destroyed.
• energy can be changed from one form to another.
• when energy changes its form, the total amount of energy is constant.

Non-Renewable Energy Resources

Petroleum, Coal, Biomass energy, Natural gas, Nuclear energy.......

Renewable Energy Resources

Hydroelectric power, Wave energy, Geothermal energy, Solar energy