Understanding Magnetism Basics (English)

What is the main material used in magnets today?

• Copper

• Iron

• Aluminum

• Gold

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Which of the following objects is most likely to be attracted to a magnet?

• Wooden block

• Plastic spoon

• Paper clip

• Rubber band

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What are the two poles of a magnet called?

• East and West

• Positive and Negative

• North and South

• Top and Bottom

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What happens when the north pole of one magnet is brought close to the south pole of another magnet?

• They repel each other

• They attract each other

• They become neutral

• They lose their magnetism

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What is the term for the invisible lines of force around a magnet?

• Electric field

• Gravitational field

• Magnetic field

• Thermal field

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Which of the following is NOT typically attracted to a magnet?

• Nail

• Screw

• Needle

• Glass

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What is the term for magnets that are intended to last for a very long time?

• Temporary magnets

• Permanent magnets

• Electromagnets

• Induced magnets

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Which of the following statements is true about two north poles of magnets?

• They attract each other

• They repel each other

• They become neutral

• They lose their magnetism

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Which material would a magnet pick up?

• Steel

• Rubber

• Copper

• Plastic

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How can the strength of an electromagnet be increased?

• By decreasing the current in the coil.

• By using a weaker magnetic material for the core.

• By increasing the number of coils.