Burning Out: Energy from Fossil Fuels

Burning Out: Energy from Fossil Fuels — page 1
We Need Energy Energy is the ability to do work It comes in different forms such as heat light or kinetic movement energy Energy can also be passed from one object to another For example an apple contains sugars which are forms of chemical energy When you eat the apple the chemical energy is transferred to your body You can use it to power your muscles to swing your leg When your leg kicks a ball it transfers kinetic energy from you to the ball We use energy all the time in our daily lives We get energy from food We also release energy by burning fuels such as gasoline and natural gas The energy we use comes from many different sources Some of these sources are more sustainable or efficient to use than others Renewable energy is energy from a source such as the Sun or wind which will never run out However most of the energy we use comes from sources that are nonrenewable so they cannot be replaced We burn huge amounts of fuels such as coal oil natural gas to power our cars and heat our homes These resources are extracted from beneath the ground Once these fuels are burned they World Energy Supply by Source 2012 cannot be used again Eventually there will 4 8 1 1 be no more left 2 4 31 4 10 Hydropower NucleaI Biofuels and waste Coal oil and natural gas make up the biggest slices of this pie which shows the different kinds of energy used around the world Natural gas Coal 21 3 Other