Unit-7 Energy Transformations and Calculations Quiz

A 2 kg object is moving with a velocity of 3 m/s. Calculate its kinetic energy.

• 6 J

• 9 J

• 12 J

• 18 J

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

NGSS.MS-PS3-4

• 490 J

• 500 J

• 510 J

• 520 J

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NGSS.MS-PS3-2

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Which of the following devices is designed to convert electrical energy into mechanical energy?

• Solar panel

• Electric motor

• Battery

• Wind turbine

A 10 kg object is moving at a velocity of 4 m/s. What is its kinetic energy?

• 40 J

• 60 J

• 80 J

• 100 J

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NGSS.MS-PS3-1

A hydroelectric dam converts potential energy of water into which form of energy?

• Thermal energy

• Chemical energy

• Electrical energy

• Nuclear energy

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NGSS.MS-PS3-2

• 441 J

• 450 J

• 460 J

• 470 J

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NGSS.MS-PS3-2

Which of the following is an example of a device that converts chemical energy into electrical energy?

• Wind turbine

• Solar panel

• Battery

• Electric motor

A 4 kg object is moving with a velocity of 5 m/s. What is its kinetic energy?

• 25 J

• 50 J

• 75 J

• 100 J

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NGSS.MS-PS3-1

Which device is primarily used to convert solar energy into electrical energy?

• Wind turbine

• Solar panel

• Generator

• Battery

• 548.8 J

• 550 J

• 552 J

• 554 J

Tags

NGSS.MS-PS3-2