Magnetism quiz grade 7

What do the lines around this magnet represent?

• North Pole
• South Pole
• Magnetic Declination
• Magnetic Field

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As the distance between two magnets increases (they get farther apart), the force between them:

• Increases
• Decreases
• Stays the Same

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If you cut a magnet in half, what happens to the poles?

• One half gets the North Pole, the other half gets the South Pole
• Both halves get only a North Pole
• Both halves get only a South Pole
• Both halves get a North pole and a South Pole

Magnetic feild strength is maximum at

• the bars.

• All over

• the poles.

• the middle.

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If a glass plate is placed over a magnet and iron filings are sprinkled over the glass, a pattern will be visible. What does this pattern indicate?

• The magnetic field

• The electrostatic field

• The piezoelectric effect

• The chemical reaction of the magnet and the filings

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The force of magnetism is stronger when magnets are ________________

• cold
• round
• closer together
• farther apart

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Magnetism is....

• The part of the magnet where the force is the strongest
• A force created by magnets that pulls some metals
• To Pull towards
• An object able to pull some metals towards itself

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Do these magnets attract or repel?

• Attrack
• Repel

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What characteristics do magnetic substances have?

• They can give you a "shock" when you touch them
• They can push or pull objects without touching them
• They are always black and cold to touch
• They fall faster than other objects when you drop them

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Which of the following is true of a bar magnet?

• Its magnetic field is strongest near its center.
• It is surrounded by a magnetic field.
• The north pole is stronger than the south pole.
• The south pole is stronger than the north pole.

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