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Unit 5 Electricity and Magnetism

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  • Evaporation, Decantation and Filtration are examples of...?
    Separation methods
  • You can create an electro magnet by coiling a wire around a piece of __________?
    Magnetic material
  • What is a homogeneous mixture?
    When you cannot see the different substances because they are evenly combined,
  • What are the kinds of metals are attracted to magnets?
    Iron, Nickel, Cobalt
  • What happens if you put a north and a north pole together?
    The repel each other
  • Magnets made by people are what kind of magnets?
    Artificial
  • What kind of separation removes metal from non-magnetic substances?
    Magnetic
  • What is a compass?
    An instrument used for finding your way - The needle always points North. etc.
  • Magnetism is creates when electricity flows through....?
    Magnetic material
  • True or False: Induced magnets are always magnetic and never lose their magnetism.
    False - Induced magnets are only temporarily magnetic
  • The ability to attract magnetic materials is...?
    Magnetism
  • Objects that act like magnets when an electrical current passes through them are called....?
    Electromagnets
  • What is an example of a natural magnet?
    Magnetite - Lodestone
  • Name an example of how you can find magnets in transport.
    The trains - magnetic levitation
  • What is electromagnetism?
    The relationship between electricity and magnetism.
  • Give me 2 examples of chemical reactions?
    Combustion / Fermentation / Oxidation
  • All magnets have __ poles. They are the ________ and _________ poles.
    2 / North & South
  • The area around a magnet where its force has an effect is called what ....?
    Magnetic field
  • Opposite poles ________ and similar poles __________?
    Attract / Repel
  • True or False - Gold is magnetic.
    False
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