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8th Grade: Topic 5

Vocabulary

TermDefinition
Electron A tiny particle that moves around the outside of nucleus of an atom.
Electric Force The force between charge object.
Electric Current The continuous flow of electrical charge through a material.
Electric Field The region around a charged object where the object's electric force is exerted on other charged objects.
Conductor A material that allows electric charges to flow or conducts heat well.
Static Electricity A buildup of charges on an object.
Charge A basic property of matter that create a force and accounts for electric interactions.
Neutral No charge
Magnet Any material that attracts iron and materials that contain iron.
Magnetic Pole The ends of a magnetic object, where magnetic force is strongest.
Magnetic Force A force produced when magnetic pole interact.
Interaction Actions between two things.
Magnetism The force of attraction or repulsion of magnetic materials.
Magnetic Field The region around a magnet where magnetic force is exerted.
Electromagnetism The relationship between electricity and magnetism.
Solenoid A coil of wire with a current.
Electromagnet A magnet created by wrapping a coil of wire with a current running through it around a core of material that is easily magnetized.
Galcanometer A device that uses an electromagnet to detect small amounts of current.
Electric Motor A device that transforms electrical energy to mechanical energy.
Electromagnetic Induction The process of generating an electric current from the motion or a conductor through a magnetic field.
Generator A device that transforms mechanical energy into electrical energy.
Transformer A device that increases or decreases voltage, which often consists of two separate coils of insulated wires wrapped around a iron core.
Source A generative force or point of origin.
 



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