Showing posts with label energy. Show all posts
Showing posts with label energy. Show all posts
Sound energy
Posted On Saturday, June 19, 2010 at at 9:55 PM by JoanSound energy is the form of energy that enables you yo see the disturbance of matter. Sound waves require some kinds of materials to travel through. they cannot move through a vacuum.
Electrical Energy
Posted On Wednesday, June 9, 2010 at at 10:54 PM by JoanELECTRICAL energy is converted to mechanical energy in electric fans, electric pumps and motor vehicles. It is converted to heat in the electrical flat iron and electrical stove. It is converted to sound in the radio and electrical bell. Give at least two other uses of electrical energy.
