All+About+Energy

=// FORMS OF ENERGY: //=

All forms of Energy can be divided into two types; //Kinetic// Energy & //Potential// Energy.




 * // "Energy is defined as the capacity to do work. There are two forms of energy in our world: potential and kinetic. Additionally, there are several types of energy that can exist in both states, including radiant, chemical, mechanical, thermal, electrical and sound. Light energy is radiant energy, also known as electromagnetic energy. Energy can be transformed, or converted, from one type to another. // The law of Conservation of Energy // states that no energy can be created or destroyed during these transformations". //**

Read more: [|What Are Some Transformations of Light Energy? | eHow.co.uk] []

__ Kinetic Energy __
Kinetic Energy is energy of //**motion**//. Anything that is moving contains kinetic energy.

Each of the following possess kinetic energy due to their motion;
 * Wind
 * Waves
 * Falling rock

Other examples of kinetic energy are not so obvious;


 * 1) We obtain //electrical energy// from the motion of electrons in wires.
 * 2) //Thermal energy// is the result of heat released from the vibrations of electrons, atoms or molecules.
 * 3) //Radiant energy// is caused by electromagnetic waves such as light, x-rays and radio waves.
 * 4) //Sound energy// is as a result of the vibration of the molecules that make up air.

media type="youtube" key="Jnj8mc04r9E" height="349" width="425"

Activity 1:



__Potential Energy __
Potential Energy is //**stored**// energy. The energy which is stored may be released at a later time.

The following possess potential energy, that is the ability to do work.
 * Explosives
 * Electrical batteries
 * A suspended weight

Other examples include;
 * 1) //Chemical energy// is the energy stored in the bonds of atoms and molecules that holds the molecules together examples of which include petroleum products, biomass, natural gas and propane.
 * 2) Compressed springs and stretched rubber bands are examples of stored //mechanical energy//.
 * 3) The energy that holds the nucleus of an atom together is the potential source for //nuclear energy//.

media type="youtube" key="7K4V0NvUxRg" height="349" width="425"

Activity 2: