Front | Back |
Energy
|
The ability to cause changes in matter
|
Kinetic energy
|
The energy in motion or the energy in use
|
Potential energy
|
The energy an object has because of its place or its condion
|
Electric charge
|
The charge obtained by its gains or loses
|
Electric force
|
The attraction or repulsion of objects due to their charges
|
Electric current
|
The flow of electrons from negetively charged objects to positively charged objects
|
Conductor
|
A matrial that conducts electrons easily
|
Electric circuit
|
The path along which electri=ons can flow
|
Insulator
|
A material that does not carry electrons
|
Resister
|
A material that resists the flow of electrons some way
|
Electromagnet
|
A temporary magnet made by passing electric current through a wire coiled arround an iron bar
|
Reflection
|
The light energy that bounces off objects
|
Refraction
|
Bending of light rays when the pass through a substance
|
Lens
|
A clear piece of material that bends,refracts,light rays passing through it.
|
Pitch
|
An element of sound determined by the speed which sound waves move
|