Mechanical & Sound Energy

Which statement best defines Mechanical Energy?

• Energy produced by a machine or moving part.

• Energy that is produced by an electrical current in a circuit.

• Energy from the sun.

• Energy that travels in waves due to vibrations.

To make things move, you need a −

• force.
• strong magnet.
• metal object.
• helper.

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NGSS.MS-PS2-2

Barbara went bike riding.  Her pedaling caused the bike to move.  Which form of energy allowed the bike to move?

• sound
• light
• thermal
• mechanical

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NGSS.4-PS3-1

When you hear music, what is your ear actually detecting?

• notes from the speaker
• waves created by vibrations
• electrical currents traveling through the air
• sound atoms coming from the sound

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A student launches a paper plane during a science investigation.  Which type of energy is observed as the paper plane flies?

• light
• thermal
• electrical
• mechanical

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How does blowing through a pipe produce a sound?

• air is absorbed by the pipe
• the pipe speeds up the air
• air in the pipe vibrates
• the pipe cools the air

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NGSS.MS-PS4-1

Which form of energy below is produced by hitting a drum?

• heat
• light
• sound
• solar

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All of the following are examples demonstrating mechanical energy EXCEPT –

• an oven cooking food.
• a fan blowing out air. 
• a boy riding a bicycle.
• a girl writing with a pen.

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NGSS.4-PS3-1

Sound waves travel the FASTEST through _____________.

• gases
• liquids
• solids

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__________ means to move back and forth quickly.

• Pitch
• Amplitude
• Vibration
• Echo

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