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Review Stage 8

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  • Draw the direction of magnetic field
    from north to south
  • The particles in solid only can……………, it’s the reason why the shape and the volume in solid always same.
    Vibrate
  • What is the tools that you need to make an electromagnet, can you mention the example of object that use the theory of electromagnet
    nail, copper coil, battery. The example are motor, electric bell, trafo
  • Mention 3 objects around you that use magnet.
    Refrigirator, speaker, tv
  • Mention types of magnetic that you know.
    Bar, Horseshoes, Needle, Cylindrical, Oval Shape, Ring
  • The state of matter that can be compressed……
    Gas
  • The name of process changing of matter when gas become solid……..
    Deposition
  • Explain how steel and aluminium cans can be separated using a magnet.
    mix aluminium and steel cans on conveyor belt, steel cans will be attracted by the electromagnet, but the aluminium
  • The name of process changing of matter when solid become gas……..
    Sublimation
  • How to make more strong electromagnet
    add the number of turns wire, add more batteries
  • The name of process changing of matter when liquid become gas……..
    Evaporation
  • The name of process changing of matter when liquid become solid……..
    Freezing
  • When a north pole is close to a south pole, the magnet will be………………..
    attract each other
  • The name of process changing of matter when solid become liquid……..
    Melting
  • The name of process changing of matter when gas become liquid……..
    Condensation
  • Where the magnetic field strongest in a magnet? Explain the reason
    at the corner, because the line of magnetic field are close each other at the pole/corner
  • What is the name of the process in this picture? label the pole in a bar steel that already magnetized.
    on the left North, on he right South
  • The particle in gas and liquid can ………………………, it’s the reason why the shape and the volume in gas and liquid can changes.
    Move around
  • Explain about the right hand's rule
    the thumb finger represents the north pole, the four fingers are represent the direction of the current.
  • When a north pole is close to a north pole, the magnet will be……………….
    Repel each other
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