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Electricity and Magnetism

  •  English    18     Public
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  • All matter is made of _____________.
    particles
  •  10
  • Particles can be _________, ___________ or neutral.
    positive, negative
  •  15
  • Electrical charge is the property of matter that causes _____________.
    Electricity
  •  20
  • Objects can _____________ or ___________ each other, depending on the charge they have.
    repel, attract
  •  20
  • Objects with different charges repel or attract?
    attract
  •  25
  • Objects with the same charge repel or attract?
    repel
  •  25
  • What is a discharge?
    When static electricity moves from one object to another.
  •  25
  • When an object has the same amount of positive and negative charge that object is:
    balanced or neutral
  •  25
  • A build up of electrical charge is called:
    static electricity
  •  25
  • a flow of charged particles is called an:
    electric current
  •  25
  • Name 3 objects that need constant electric current to work.
    Teacher evaluates the answer
  •  15
  • Electric current needs a _________ to flow through.
    path
  •  20
  • What is a circuit?
    a path that allows current to flow.
  •  20
  • What are the parts of a circuit?
    battery or electric outlet, wires, and a load.
  •  20
  • Who was Thomas Edison?
    He improved the design of the electric light bulb.
  •  15
  • What is a magnetic field?
    is the area around a magnet where is force can attract or repel.
  •  25