Magnets and Electricity T4

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Author:
Anonymous
ID:
768
Filename:
Magnets and Electricity T4
Updated:
2009-11-04 19:18:43
Tags:
magnets
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Description:
flashcards to study for the magnets and electricity test for T4
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  1. A device that connects to an electrical circuit that can be turned on and off. Is it a
    A. Circuit
    B. Core
    C. Key
    D. Electromagnet
    D. electromagnet
    (this multiple choice question has been scrambled)
  2. The winding of wire around a base to make an electromagnet stronger is?
    A. Coil
    B. Conductor
    C. Key
    D. Insulator
    A. Coil
    (this multiple choice question has been scrambled)
  3. The center of the coils in an electromagnet. Often made of steel. Is it
    A. Core
    B. Compass
    C. Insulator
    D. Conductor
    A. Core
    (this multiple choice question has been scrambled)
  4. The term for a switch when used in a telegraph machine is a ?
    A. Coil
    B. Key
    C. Insulator
    D. conductor
    B. Key
    (this multiple choice question has been scrambled)
  5. Material which allows electricity to flow easily through is?
    A. Core
    B. Conductor
    C. Insulator
    D. Key
    B. Conductor
    (this multiple choice question has been scrambled)
  6. Material which does not allow electricity to flow easily through is?
    A. Circuit
    B. Insulator
    C.Conductor
    D. Key
    B. Insulator
    (this multiple choice question has been scrambled)
  7. A complete circle which electricity is able to flow through; often has wire, a battery, and a light bulb included is?
    A. Compass
    B. Circuit
    C. Electromagnet
    D. Core
    B. Circuit
    (this multiple choice question has been scrambled)
  8. An instrument used for finding direction is?
    A. Compass
    B. Magnet
    C. Key
    D. Key
    A. Compass
    (this multiple choice question has been scrambled)
  9. Iron or Iron alloy that can attract another piece of iron is?
    A. Magnet
    B. Electromagnet
    C. Insulator
    D. Compass
    A. Magnet
    (this multiple choice question has been scrambled)
  10. When two objects pull towards each other is?
    A. Core
    B. Attract
    C. Key
    D. Magnet
    B. Attract
    (this multiple choice question has been scrambled)
  11. Name three objects that will stick to a magnet?
    metal chair, staples, magnetic whiteboard, paper clip, metal file cabinet, etc.
  12. Name three objects that will NOT stick to a magnet?
    wood, rubber, plastic, straw, etc.
  13. What four directions do you find on a compass?
    North, South, East, West
  14. Name four objects that are considered insulators?
    cardboard, rubber tire, glass window, water bottle, wood desk, piece of gum, etc.
  15. What is the name of the international code that is made up of short and long clicks and are put together to form words and messages?
    Morse Code
  16. Explain what you would do to an electromagnet to make it stronger and able to pick up more washers?
    add more batteries or a bigger battery, add more coils around the core.

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