Chapter 11: Magnetism (G8 SISB)

What is one of the uses of magnetism in the medical field?

• Power generation

• Magnetic Resonance Imaging (MRI)

• Cooking appliances

• High-speed internet

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What technology uses magnetic forces to lift or levitate above the track?

• Electric cars

• Maglev trains

• Airplanes

• Submarines

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What is a natural magnet also known as?

• Lodestone

• Alnico

• Ferrite

• Neodymium

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Which of the following materials is used to make strong magnets?

• Alnico

• Copper

• Plastic

• Wood

What is a permanent magnet?

• A magnet that stays magnetized for a long time

• A magnet that loses its magnetism quickly

• A magnet made of plastic

• A magnet that only works underwater

What happens to a magnet when it is heated, hammered, or dropped multiple times?

• It loses its magnetism

• It becomes stronger

• It changes color

• It becomes larger

What is one of the properties of magnets?

• Attract magnetic materials such as
  Iron and steel

• Change color in sunlight

• Melt at room temperature

• Float in water

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Which of the following is NOT attracted to a magnet?

• Steel ruler

• Iron blades of scissors

• Aluminum can

• Steel clips

What can the magnetic force of attraction pass through?

• Non-magnetic materials

• Magnetic materials

• Both magnetic and non-magnetic materials

• Neither magnetic nor non-magnetic materials

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What are the parts of a magnet where the magnetic force appears to be concentrated the most called?

• Magnetic poles

• Magnetic fields

• Magnetic centers

• Magnetic ends

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