Lesson 4 Mini Quiz

Energy transfers happen when an object applies a _________ on another object.

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During a game of tug-of-war, Jourdan applies a ______ on the rope, causing energy to transfer to Farah and Evelyn on the other side.

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What causes the pins to fall down and move?

• Force applied by the bowling ball
• Magnetic force
• Friction between the pins and the bowling lane
• Gravity

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The bowling ball has ______ energy as it rolls down the lane.

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Does the bowling ball give away all of its energy when it collides (hits) the pins? Explain how you know.

Answer explanation

The bowling ball does not give away all of its kinetic energy because it still rolls (but slower) after it hits the pins.

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How are forces in a collision shown on a model?

• 
• 
• 
• 

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How is energy shown in a model?

• 
• 
• 
• 

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Add the correct labels to show the system BEFORE the collision.

KE = Kinetic energy

PE = Potential Energy

Not all labels are used.

b

d

a

PE

KE

F _Floor

F _gravity

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Add the correct labels to show the system DURING the collision.

KE = Kinetic energy

PE = Potential Energy

Not all labels are used.

e

g

d

c

KE _pin

F_gravity

PE _ball

KE _ball

F _ball

F _pin

PE _pin

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Match the words to the correct definition.

• Energy Transfer

• What it takes to make an object move or create another kind of change.

  
  

• Energy

• What we would see if we could stop time for a second.

  
  

• Kinetic Energy

• When a push or pull moves energy from one object to another. 

  
  

• Instant in Time

• Energy from moving objects.

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