Study

Electromagnetism

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  • An electromagnet acts like a magnet when an electric current flows through it
    true
  • The Earth is a huge magnet
    true
  • All the materials are magnetic?
    no, they aren´t
  • Magnets can be temporary or permanent
    true
  • Can you name a natural magnet?
    magnetite
  • There are 3 poles in a magnet
    false
  • Opposites poles repel each other
    false
  • What are the names of the poles in a magnet?
    North pole and South pole
  • Is it the same the magnetic north pole and the geographical north pole?
    no, it isn´t
  • Permanent magnets give off a magnetic force for a period of time
    false
  • What is a magnet?
    a magnet is any object which has a magnetic force
  • What is inside a compass?
    A magnetised needle
  • Anywhere there is magnetism, you will find electricity nearby
    true