Physical Science Ch. 5 & 6 Review

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

Energy stored in the height of an object is called ___________ potential energy.

• Elastic
• Chemical
• Gravitational
• Nuclear

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What would have the greatest kinetic energy?

• A car driving down a hill.
• A person running down a hill. 
• A ball rolling down a hill. 

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NGSS.MS-PS3-1

What is kinetic energy?

• energy of work
• energy of motion
• energy of gravity
• energy of power

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What is energy?

• something that picks up things, like a magnet.

• Motion of an object

• ability to do work

• magic rays of sunshine that come down when you're feeling blue.

The SI unit in which kinetic energy is measured is 

• Newton
• Kilogram
• Joules
• Metres per second

Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.

• 18 J
• 36 J
• 12 J
• 6 J

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NGSS.MS-PS3-1

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How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?

• 27 J
• 18 J
• 9 J
• 2 J

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An explosion of gas from a Hawaiian volcano blows a rock into the sky. the rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s

• 200Kg
• 20,000Kg
• 10Kg
• 200Kg

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NGSS.MS-PS3-1

What is the gravitational potential energy of a 4kg weight sitting on top of a table 1.2 m high.

• 47 J

• 4.8 J

• 5.2 J

• 338 J

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NGSS.MS-PS3-2