Energy
Definition:
Stored in an object,The ability to move something.
Different kind of Energy
Light Energy
The energy of the electronomietic waves, found in microwaves, X-rays, and visible light.
examples: Lampes, flashlights
Heat energy
Cause by the movement of particles. found in all hot objects.
examples: Air-conditions, sun
Sound energy
Energy produces by vibrating objects. Examples are speech, ultrasound and music.
examples: loudspeakers, phones
Compounds potential Energy
Energy stored in the bonds between particles. found in substance like petrol and food.
examples: batteries, cars
Electrical Energy
The movement of electrically charged particles. found in wires, generators and lighting.
examples: batteries, lightning
Gravitation and potential energy
Energy stored in objects due to their height above the ground
examples: rock, asteroid
Kinetic energy
Energy due to the motion of objects. Eg. moving cars, running, swimming
examples: moving cars, walking
Elastic potential energy
Energy stored in stretched or squashed objects. Examples are springs and rubber band.
examples:
The coil spring of a wind-up clock. An archer's stretched bow.