Unit 10 Glossary Terms

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Author:
yugantpatel
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285482
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Unit 10 Glossary Terms
Updated:
2014-10-11 02:28:30
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Science
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Science
Description:
Electricity Unit 10 Glossary Terms
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  1. Electricity
    • A form of energy that results from the interaction of charged particles, such as electrons or protons
    • e.g. Almost everything we use uses electricity
  2. Static Charge (Static Electricity)
    • An electric charge that leads to stay on the surface of an object, rather than flowing away quickly
    • e.g. When your arm hairs raise when you're sitting on a chair
  3. Charging by Friction
    • A process in which objects made from different materials rub against each other, producing a net static charge on each object
    • e.g. Rubbing your hands together for warmth
  4. Electrostatic Series
    • A list of materials that have been arranged according to their ability to hold on to electrons
    • e.g. Aluminum is ranked higher than Plastic

  5. Insulator
    • A material in which electrons cannot move easily from one atom to anotherĀ 
    • e.g. Rubber is an Insulator
  6. Conductor
    • A material in which electrons can move easily between atoms
    • e.g. Metal is a Conductor
  7. Semiconductor
    • A material in which electrons can move fairly well between atoms
    • e.g. Diamonds are semiconductors
  8. Ground
    • An object that can supply a very large number of electrons to, or can remove a very large number of electrons from, a charged object, thus neutralizing that object
    • e.g. The grounding rod for the Van de Graaff Generator
  9. Electroscope
    • A device for detecting the presence of an electric charge
    • e.g. Pith Ball electroscope
  10. Charging by Contact
    • Generating a net charge on a neutral object by touching it with a charged object
    • e.g. Touching a person when they have a net charge in them
  11. Laws of Electric Charges
    • Laws that describe how two objects interact electrically when one or both are chargedĀ 
    • e.g. Opposites attract
  12. Electric Field
    • A property of the space around a charged object, where the effect of its charge can be felt by other objects
    • e.g. The electric field of the Van Graaff Generator shocked Daniel
  13. Induced Charge Seperation
    • The movement of electrons in a substance, caused by the electric field of a nearby charged object that is not in direct contact with the substance
    • e.g. Wireless chargers for phones
  14. Ion
    • A positively or negatively charged atom or group of atoms
    • e.g. Lithium Ion
  15. Lightning Rod
    • A metal sphere or point that is attached to the highest part of a building and connected to ground
    • e.g. The CN Tower has multiple lightning rods
  16. Electrostatic Precipitatior
    • A type of cleaner that removes unwanted particles and liquid droplets from a flow of gas
    • e.g. Electrostatic Precipitatior's at factories
  17. Van de Graaff Generator
    • A device that accumulates very large charges
    • e.g. The one we used in class
  18. Radiation Dosimeter
    • A small device that detects and measures exposure to radiation
    • e.g. A rectangular small machine, looks like a gameboy kind of

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