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What is the energy transformation that occurs in an electric pencil sharpener?

• mechanical energy to electrical energy

• electrical energy to mechanical energy

• radiant energy to sound energy

• chemical energy to mechanical energy

Tags

NGSS.MS-PS3-5

Which object shows an energy transformation from electrical to mechanical?

• 
• 
• 
• 

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NGSS.MS-PS3-5

The roller coaster cart has the most kinetic energy at position-

• W

• X

• Y

• Z

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NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A hairdryer converts -- 

• electrical energy into chemical
• electrical energy into thermal
• chemical energy into mechanical
• thermal energy into mechanical

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NGSS.MS-PS3-3

Which items would have this energy transformation: mechanical energy -> sound energy?

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• 
• 
• 

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What kind of energy is represented in the picture?

• Thermal
• Chemical
• Sound
• Nuclear

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

A swing has potential energy if _____________.

• it is in motion
• it is swinging backward
• it is sitting still
• it is spinning

Tags

NGSS.MS-PS3-2

According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 

• destroyed, destroyed
• created, saved
• created, destroyed
• lost, found

Tags

NGSS.MS-PS3-5

What kind of energy is represented in this picture?

• Thermal
• Potential
• Nuclear
• Mechanical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3