Mystery Science: Invisible Forces Mystery 1 Review

What word do scientists use to describe either a push or a pull?

• pinch

• tug

• force

• squeeze

What force is used when you drag, tug, or yank?

• push

• tug

• pull

• squeeze

When you stretch a rubber band, what force does it put back on you?

• The rubber band pushes and pulls on you at the same time.

• The rubber band pushes back on you.

• The rubber band neither pushes nor pulls on you.

• The rubber band pulls back on you.

Tags

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What force or forces are needed in a game of tug-of-war?

• Pushes only

• Pushes and pulls

• Pulls only

• None of the above

Tags

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NGSS.MS-PS2-1

What force is used when you squeeze, pinch, or smack?

• push

• strength

• pull

• tug

Tags

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Why did the watermelon explode?

• Each new rubber band added a push and pull force on the rind.

• Each new rubber band added more and more pull force on the rind.

• Each new rubber band added more and more push force on the rind.

Tags

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True or False: An object resting on the ground can move without a force.

• True

• False

What is friction?

• a force that slows an object down

• a force that speeds an object down

• a force that makes an object start moving

• a force that can move very heavy objects

Which of the following would be the HARDEST to move?

• a 5-pound ball on grass

• a 5-pound ball on ice

• a 15-pound ball on grass

• a 15-pound ball on ice

Tags

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Imagine you kick four balls with the same amount of force. Which one will go the LEAST FAR?

• a 2-pound ball

• a 4-pound ball

• an 8-pound all

• a 16-pound ball

Tags

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