Gr6 Kinetic Energy 6-PS3-1

Amelia is bowling with her family. Her bowling ball followed the path that is shown in the image below. The bowling ball slows down as it travels down the lane. At which point does the bowling ball have the most kinetic energy?

• Y

• X

• W

• Z

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

A small car is traveling at a speed of 60 mph on the highway. In the next lane, a large passenger bus is traveling at the same speed. Which of the following is true?

• The bus has more kinetic energy than the car.

• The car and bus have the same amount of kinetic energy.

• The car has more kinetic energy than the bus.

• The car and the bus have potential energy, not kinetic energy.

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Steve, Mary, Annie, and James hit four identical tennis balls with a racket. The diagram shows the top speed at which each tennis ball moved when it was hit. Based on the diagram, which of the following is true about the tennis balls when they were at their top speed?

• Annie's ball had the most kinetic energy.

• Mary's ball had the most kinetic energy.

• James's ball had the most kinetic energy.

• Steve's ball had the most kinetic energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Niagara Falls is a set of very large waterfalls located on the border between New York and Ontario, Canada. Over 200,000 cubic feet of fast-moving water falls approximately 180 feet every second. Water at the top of the Falls possesses

• only kinetic energy.

• kinetic energy and gravitational potential energy.

• only gravitational potential energy.

• neither gravitational potential energy nor kinetic energy.

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NGSS.MS-PS3-2

A graph showing the speed of a sprint runner over a distance of 100 m is shown. At which of the following points does the runner have the most kinetic energy?

• Y

• W

• X

• Z

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Andrea and the other members of the tennis team are practicing hitting tennis balls. If two people hit identical balls at the same time, which ball has the most kinetic energy?

• the ball that stops moving first

• the ball that travels the farthest distance from the ground

• the ball that lands the shortest distance away

• the ball that moves at the fastest speed

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The diagram shows two boulders that are rolling down a mountain slope. The mass of one boulder is 1,000 kilograms, and the mass of the other boulder is 50 kilograms. If both of the boulders are moving at the same speed, which of the following statements is true when both reach point A before touching the ground?

• The boulders have the same kinetic energy.

• The 1,000-kg boulder has more kinetic energy than the 50-kg boulder.

• Neither boulder has any kinetic energy.

• The 50-kg boulder has more kinetic energy than the 1,000-kg boulder.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Francis throws the same ball three different times. The diagram shows the top speed at which the ball traveled during each throw. Based on this information, which of the following statements is true? *

1/1

• The ball had the most kinetic energy during the third throw.

• The ball had the same kinetic energy during all three throws.

• The ball had the most kinetic energy during the second throw.

• The ball had the most kinetic energy during the first throw.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The following graph shows the kinetic energy of a roller coaster car as it passes through a loop. What was the most likely cause for the rise in kinetic energy after 2.5 seconds?

• The roller coaster began slowing down.

• The roller coaster was pulled with decreasing gravitational force.

• The roller coaster started gaining elevation.

• The roller coaster began speeding up.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A graph showing the kinetic energy of a ball over time is shown. Which of the following statements best explains the relationship between the kinetic energy of the ball and its speed?

• The kinetic energy of the ball increases over time as the ball travels at a constant speed.

• The kinetic energy of the ball increases as its speed increases.

• The kinetic energy of the ball decreases as its speed increases.

• The kinetic energy of the ball remains the same as its speed increases.

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NGSS.MS-PS3-1