ENERGY SOURCES

1
Energy?
Do YOU have any?
2
What is it?

• The ability to do work

3
Law of Conservation of Energy.

• Energy cannot be created or destroyed.

4
Forms of Energy
Mechanical movement of parts
Sound movement of sound waves
Chemical produced by chemical reactions
Electrical movement of electrons
Radiant movement of light waves
Thermal movement of molecules
5
Mechanical Energy

• Movement of parts.
• http//gtm-media.discoveryeducation.com/videos/Exp
  loring20Energy/sec4946_300k.asf

6
Sound Energy

• Movement of sound waves.

7
Chemical Energy.

• Produced through a chemical reaction.
• http//gtm-media.discoveryeducation.com/videos/Exp
  loring20Energy/sec4948_300k.asf

8
Battery

• Batteries are all over the place -- in our cars,
  our PCs, laptops, portable MP3 players and cell
  phones. A battery is essentially a can full of
  chemicals that produce electrons.

9
Look at the picture below. Why is the person in
the background wearing protective clothing?
10
Electrical Energy.

• Movement of electricity.
• occurs naturally (as in lightning)
• or is produced (power plant)
• http//gtm-media.discoveryeducation.com/videos/Ex
  ploring20Energy/sec4949_300k.asf

11
Radiant Energy

• LIGHT ENERGY
• Movement of light waves.

12
Radiant Energy.

• Can be Solar energy energy from the sun.

13
Thermal Energy

• Movement of molecules
• http//streaming.discoveryeducation.com/videos/Exp
  loring Energy/sec4947_300k.asf