Newton's Cradle Quiz

What is a Newton's Cradle commonly made of?

• Plastic and rubber

• Wood and metal

• Spheres hanging from a frame

• Glass and ceramic

What happens when you pull one sphere on a Newton's Cradle and let it go?

• It stays in place without moving

• It swings back and forth indefinitely

• It swings back and stops when it hits the next sphere

• It lights up and plays music

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Why do the spheres in the middle of a Newton's Cradle stay in place?

• Because they are glued to the frame

• Because they are lighter than the other spheres

• Because the kinetic energy is transferred to the next sphere in line

• Because they are a different size from the end spheres

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What is the energy transfer in a Newton's Cradle similar to?

• The way energy is transferred when playing drums

• The way energy is transferred when molecules collide

• The way energy is transferred in a vacuum

• The way energy is transferred through water waves

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What happens to the spheres in a Newton's Cradle if no energy is converted to thermal energy?

• They would keep moving in this way forever.

• They would immediately stop.

• They would slow down and stop eventually.

• They would reverse direction without any external force.

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What is transferred from one molecule to another when they collide, according to the physics concepts that explain Newton's Cradle?

• Mass

• Thermal energy

• Kinetic energy

• Electrical charge

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Why do the spheres in the real world eventually slow down and stop?

• Because kinetic energy is destroyed.

• Because they run out of momentum.

• Because some energy is converted to thermal energy.

• Because gravity stops them.

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According to the text, what do we know about energy during the collision in Newton's Cradle?

• Energy can be created or destroyed.

• Energy is only transferred from one molecule to the other.

• Energy is lost in the form of sound.

• Energy is completely converted to thermal energy.

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What occurs when you pull the sphere on the end of the Newton's Cradle up and then let it swing back down to collide with the sphere next to it?

• The sphere on the same end swings up and away.

• The sphere on the opposite end swings up and away.

• All spheres in the cradle move simultaneously.

• The spheres in the middle swing outwards.

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