Unit 4: Energy

Holding a marble at the top of a ramp

• Potential

• Kinetic

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A slinky moving down a set of stairs

• Potential Energy

• Kinetic Energy

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Kinetic energy depends on

• mass and height

• height and speed

• mass and speed

• mass and force

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Potential energy depends on

• mass and height

• height and speed

• mass and speed

• height and force

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I am holding a balloon that is full of air, the balloon has

• kinetic energy

• potential energy

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Which point has the most potential energy?

• G

• F

• B

• A

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When a pendulum swings, at which point is kinetic energy highest?

• 1
• 2
• 3
• 4

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Which is the best example of an object with only potential energy?

• water being poured out of a pitcher

• a ball being thrown across a field

• a boulder resting on top of a cliff

• a boat sailing through the water

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A bicycle rider is traveling up a hill. When the rider reaches the top of the hill, she stops to rest. Then she travels down the hill. Which statement correctly describes the potential energy and the kinetic energy of the bicycle rider?

• As the rider moves up the hill, her kinetic energy increases, and her potential energy decreases.

• As the rider reaches the bottom of the hill, her kinetic energy and her potential energy decrease.

• When the rider is at the top of the hill, her potential energy is the greatest, and her kinetic energy is the least.

• When the rider goes down the hill, her potential energy increases, and her kinetic energy decreases.

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A bicycle and passenger car are both moving at a velocity of 15 miles per hour. Which has more kinetic energy?

• the bicycle because it has less mass

• They are both moving at the same velocity, therefore they have equal kinetic energy.

• It is impossible to know as both are moving at the same velocity

• the car because it has more mass

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