JUNIOR 5 MAGENTISM

The natural magnet is made of one of the iron ores called

• a)     Magnetite.

• b)     Magnetism.

• .

  c)      Magnesia.

• D

  -Hematite

(1)         Magnets are divided into ………………. types.

• a)     Three.

• b)     Two.

• c)      Four.

• d)     Five.

(1)         All the following materials are attracted to the magnet except ……………….

• a)     Iron.

• b)     Nickel.

• c)      Cobalt.

• d)     Chalk.

The needle magnet of a compass always settles at the ………………. direction

• a)     North-east.

• b)     East-west.

• c)      North-south.

  .

• d)     West-south

(1)         The compass is used to locate the ……………….

• a)     Temperature.

  .

• b)     Main four direction.

  c

• )      Magnetism.

• d)     (a), (b) and (c)

(1)         The compass contains a ……………….

• a)     Horse-shoe magnet.

• b)     Bar magnet.

• c)      Small and light magnetic needle.

• d)     Ring magnet.

(1)         The magnetic force of a magnet disappears at ……………….

• a)     Its two poles.

• )     The south pole of the magnet.

• c)      The north pole of the magnet.

• d)     Its middle.

(1)         is the ability of the magnet to attract the magnetic materials existed in its field.

• a)     Magnetic field.

• b)     Natural magnet.

• c)      Magnetic force.

• d)     Magnetic material.

(1)         The area that is around the magnet, where its magnetic properties appear is called a ……………….

• a)     Magnetic pole.

• b)     Magnetic substance.

  c.

• )      Non-magnetic substance.

• d)     Magnetic field

(1)         If you put the north pole of a magnet near the north pole of another magnet, they ……………….

• a)     Repel.

• b)     Attract.

• c)      Have no effect.

• d)     Color each other.