NGSS.4-PS3-4

What does a loudspeaker use to turn electric energy into sound?

• a permanent magnet
• an extension cord
• an electromagnet
• a series circut

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NGSS.4-PS3-4

Wind turbines change wind energy into________________. 

• Electrical energy
• light energy
• wave energy
• sound energy

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NGSS.4-PS3-4

Describe the energy transformation in this picture.

• Potential to Kinetic
• Kinetic to Potential
• No transformation - it's all potential.
• No transformation - it's all kinetic.

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NGSS.4-PS3-4

What kind of energy does this device use to work?

• Mechanical

• Electrical

• Thermal

• Light

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NGSS.4-PS3-4

Energy produced by a machine or moving part

• thermal

• electrical

• mechanical

• thermal

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NGSS.4-PS3-4

A student uses a set of headphones to listen to music. Which type of these objects uses the same source of energy as the headphones?

• A flute using wind energy

• A piano using mechanical energy

• A keyboard using electrical energy

• A teapot using thermal energy

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NGSS.4-PS3-4

A Wind Turbine have a large vaned wheel rotated by the wind to generate electricity.

• True

• False

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NGSS.4-PS3-4

How does a stove transform energy?

• Mechanical to sound

• Electric to Heat

• Chemical to Mechanical

• Light to sound

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NGSS.4-PS3-4

NGSS.4-PS3-2

A remote control car that runs on batteries is having what type of energy change?

• Electric to mechanical

• Chemical to mechanical

• Light to mechanical

• Sound to mechanical

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NGSS.4-PS3-4

A TV changes electric energy to

• chemical energy

• light and sound energy

• mechanical energy

• mechanical and chemical energy

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NGSS.4-PS3-4