Forces, Motion, & Magnets Quiz

Why is it hard to win a tug-of-war against a group of Adults?

• Adults try really hard.

• Adults have more legs than students.

• Adults use friction to make more force.

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The last rubber band caused the watermelon to burst because

• it was thicker than the other rubber bands.

• it was the last rubber band in the bag.

• it created a force that was greater than the force of the watermelon rind.

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Match the following concepts with their explanations:

• A structure that allows ships to pass underneath.

• Friction

• An object that attracts iron.

• Magnet

• A force that slows down moving objects.

• Suspension Bridge

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Why did the hopper poppers hop off the table?

• Because of the rubber bands force

• Because of the wind

• Because of the table's surface

• Because of the weight

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Match the following types of bridges with their characteristics:

• Has an arch shape

• Arch bridge

• Lacks support underneath

• Board bridge

• Has pillars underneath

• Pillar bridge

The trapeze will swing more slowly with (a)   ropes.

• Shorter

• Longer

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What happens when two like poles of a magnet are brought close to each other?

• They attract each other.

• They become stronger.

• They repel each other.

• They have no effect on each other.

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What happens when a magnet is brought near a piece of iron?

• The iron is attracted to the magnet.

• The iron changes color.

• The iron becomes non-magnetic.

• The iron is repelled by the magnet.

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Which of the following is an example of a pull force?

• Throwing a ball.

• Pressing a button on a remote.

• Pulling a rope towards you.

• Opening a door by pushing it.

Which action involves both push and pull forces?

• Typing on a keyboard.

• Reading a book.

• Rowing a boat.

• Playing a guitar.

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