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Sound Waves and Light Waves

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

Sound Waves and Light Waves
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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When I speak in a high-pitch voice, the sound waves have

high amplitude

low amplitude

high frequency

low frequency

Tags

NGSS.MS-PS4-1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When I speak with low energy, the sound waves have

low frequency

low amplitude

short wavelength

high amplitude

Tags

NGSS.MS-PS4-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Waves with a low frequency must have

low amplitude

long wavelength

short wavelength

low energy

Tags

NGSS.HS-PS4-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

To decrease the amplitude, I should

draw shorter waves

draw "smaller" waves

draw less waves

draw waves with a longer wavelength

Tags

NGSS.MS-PS4-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Josh observed a bolt of lightning during a thunderstorm.  It took more than 15 seconds for Josh to hear the sound of thunder.  Why did Josh see the lightning strike before he heard the thunder? 

Thunder always takes 15 seconds to travel through the air after lighting strikes. 

Light waves from the lightning and sound waves from the thunder moved through different mediums.  

Light waves are electromagnetic waves that travel much faster than mechanical waves, such as the sound wave he heard as thunder. 

The conditions in the air at the time allowed light waves to move faster than the sound waves he hears as thunder. 

 

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why can't sound travel in space?

Sound is a mechanical wave, because of this it cannot travel in a vacuum.

Sound is a mechanical wave, because of this it cannot travel in a medium.

Sound is a electromagnetic wave, because of this it cannot travel in a vacuum.

Sound is a electromagnetic wave, because of this it cannot travel in a medium.

Answer explanation

The distance from the sun to Earth is called an AU. All objects in our solar system are within 140 AU of the sun.

Tags

(SC.8.E.5.1) Vastness of Space

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Changing the amplitude of a sound wave affects the...

Volume

Frequency

Pitch

Wavelength

Tags

NGSS.MS-PS4-1

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