Saturday, 10 May 2014

Sunday, 4 May 2014

Renewable sources of energy.

      Solar energy is the solar radiation that reaches the Earth. 
Wind energy is mainly used to produce electricity.
Hydropower is a source of electricity.
Geothermal energy is the heat from the Earth.
 Biomass is organic material from plants and animals.


Saturday, 3 May 2014

Non-renewable sources of energy.

Non-renewable sources of energy cannot be replaced.
Nuclear Energy is used to generate electricity.
Fossil fuels: 

    Friday, 2 May 2014

    Renewable Vs. Non-renewable sources of energy.

    Remember! Renewable sources of energy don't polute. What about non-renewble sources of energy??

    Thursday, 1 May 2014

    Uses of energy.

    We use a lot of energy in our homes, in businesses, in industry, and for personal travel and transporting goods.
    There are four major sectors that consume energy:
    • The industrial sector includes facilities and equipment used for manufacturing, agriculture, mining, and construction. 
    • The transportation sector comprises vehicles that transport people or goods, such as: cars, trucks, buses, motorcycles, trains, subways, aircraft, boats, barges, and even hot air balloons. 
    • The residential sector consists of homes and apartments.
    • The commercial sector includes buildings such as offices, malls, stores, schools, hospitals, hotels, warehouses, restaurants, places of worship, and more.