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Force Fields

8.PS.1

TermDefinition
Attraction Two objects are drawn together
Conductor A material that allows heat and electricity to pass through it
Earth's Magnetic Field Magnetic lines of force from Earth's polar north and south
Electrical Current A flow of charged particles from one point to another
Electromagnetic Energy A form of energy that travels through space as waves
Electromagnetic Field A magnetic field created by an electrical current
Electromagnetic Induction The production of electricity in conductors with the use of magnets
Electromagnetic Waves A form of energy that can move through the vacuum of space
Field Model A model used to explain how two objects can exert forces on each other without touching
Galvanometer A device that uses an electromagnet to detect small amounts of current
Generator A device used to convert mechanical energy into electrical energy
Insulator A material that does not allow heat or electrons to move through it easily
Ions Positively and negatively charged atoms
Magnetic Field The area of magnetic force around a magnet
Magnetic Field Lines Invisible lines that map out the magnetic field around a magnet
Magnetic Poles The ends of a magnetic object
Multimeter A measuring instrument for current
Negative Charge More electrons than protons
Negative Pole Cathode (high electron concentration)
Positive Charge More protons than electrons
Positive Pole Anode (low electron concentration)
Repel To push away
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