NGSS.4-PS4-1

Sound is caused by? 

• force
• vibrations
• instruments

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A longer string makes a _______ pitch than a short string.

• louder
• softer
• higher
• lower

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NGSS.4-PS4-1

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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Which device measures sound waves?

• Oscilloscope
• Stethoscope 
• Radio
• I don't know

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light travels in

• waves

• rays

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The trough is the

• highest point in a wave

• the wavelength

• lowest part of a wave

• the distance between each crest

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Visible light is which type of wave?

• seismic

• mechanical

• longitudinal

• electromagnetic

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Objects that vibrate slowly make a sound with a __________ pitch.

• quiet

• high

• low

• loud

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Sound is ____________ or _______________ of air.

• loud, soft

• movements, vibrations

• frequency, stillness

• cloudy, foggy

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Sound can be affected by:

• pitch

• music

• volume

• touch

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