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Grade 3 Topic 2 Electricity and Magnetis

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  • If the object has more positive charges what is its overall charge?
    positive/ positively charched
  • +++ - - - - - What is the charge?
    negative
  • What does "predict" mean?
    to say what happens in the future
  • Whan the forces are equally strong are they balanced or unbalanced?
    balanced
  • What happens to different poles of a magnet?
    They attract
  • Is wood a conductor or an insulator?
    an insulator
  • What parts of a magnet are the strongest?
    poles
  • Name the stages of water cycle.
    evaporation,condensation , precipitation
  • What happens to the same poles of a magnet?
    They repel
  • What are non contact forces? Name 3
    Gravity, magnetism, electricity
  • What is a "Net Force?
    The sum of all forces acting on objects
  • What do you need to make an electromagnet?
    a battery, a nail/screw/ wire
  • What poles does a magnet have
    North Pole and South Pole
  • When you throw a ball is it a contact or non contact force?
    contact
  • When the object is moving are the forces balanced or unbalanced?
    unbalanced
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