Kinetic+Energy



Kinetic energy is motion - of waves, molecules, objects, substances and objects

Lots of things possess kinetic energy, anything from water running down a river, to wind blowing a pinwheel.

I'm sure lots of you have experienced kinetic energy at least once in your life, whether you have been on a roller coaster, or ridden your bike down a hill.

Some different types of kinetic energy are:


 * Radiant Energy** is electromagnetic energy that travels in transverse waves. Radiant energy includes visible light, x-rays, gamma rays and radio waves. Light is one type of radiant energy. Sunshine is radiant energy, which provides the fuel and warmth that make life on Earth possible.


 * Thermal Energy**, or heat, is the vibration and movement of the atoms and molecules within substances. As an object is heated up, its atoms and molecules move and collide faster. Geothermal energy is the thermal energy in the Earth.


 * Motion Energy** is energy stored in the movement of objects. The faster they move, the more energy is stored. It takes energy to get an object moving and energy is released when an object slows down. Wind is an example of motion energy. A dramatic example of motion is a car crash, when the car comes to a total stop and releases all its motion energy at once in an uncontrolled instant.


 * Sound** is the movement of energy through substances in longitudinal (compression/rarefaction) waves. Sound is produced when a force causes an object or substance to vibrate — the energy is transferred through the substance in a wave. Typically, the energy in sound is far less than other forms of energy.



Reference: http://www.eia.doe.gov/kids/energy.cfm?page=about_forms_of_energy-forms