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Force Fields
8.PS.1
Term | Definition |
---|---|
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 |