Ms.Day Science Chapter 10 Glossary Terms

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nateskeen
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Ms.Day Science Chapter 10 Glossary Terms
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2014-10-14 16:53:21
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  1. Electricity
    A form of energy that results from the interaction of charged particles such as electrons of protons.
  2. Static Charge (Static Electricity)
    An electric charge that tends to stay on the surface of an object, rather than flowing away quickly. (Generated by rubbing two objects together)
  3. Charging By Friction
    a process in which objects made from different materials rub against each other, producing a net static charge on each other.
  4. Electrostatic Series
    A list of materials that have been arranged according to their ability to hold on to electrons. (Ordering from weakest to strongest)
  5. Insulator
    A material in which electrons cannot move easily from one atom to another (Wood, Plastic, Wool)
  6. Conductor
    A material in which electrons can move easily between atoms (Generally metal related materials)
  7. Semiconductor
    A material in which electrons can move fairly well between atoms. (Carbon)
  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. (The Earth)
  9. Electroscope
    A device for detecting the presence of an electric charge. (Metal Leaf Electroscope)
  10. Charging by Contact
    Generating a net charge on a neutral object by touching it with a charged object. (Transfer of electrons)
  11. Laws of Electric Charges
    Laws that describe how two objects interact electrically when one or both are charged.
  12. Electric Field
    A property of the space around a charge object, where the effect of its charge can be felt by other objects.
  13. Induced Charge Separation
    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.
  14. Ion
    A positively or negatively charged atom or group of atoms
  15. Lightning Rod
    A metal sphere or point that is attached to the highest part of a building and connected to the ground. (Used to reduce the risk that lightning strikes threaten.)
  16. Electrostatic Precipitator
    A type of cleaner that removes unwanted particles and liquid droplets from a flow of gas
  17. Van De Graaff Generator
    a device that accumulates very large charges. (Static Electricity)
  18. Radiation Dosimeter
    A small device that detects and measures exposure to radiation

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