Lesson1: The nature of sound

The Nature of Sound

U3-M10-L1

How does sound change when traveling through
different mediums?

Focus Question

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Sound Waves

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Multiple Choice

The place in a longitudinal wave where particles are far from each other is called_______________?

• Wavelength

• Rarefaction

• Compression

Multiple Choice

Property of longitudinal wave where particles are close together is called ___________?

• Wavelength

• Rarefaction

• Compression

Multiple Choice

Sound Waves

• are Longitudinal waves.

• are Surface Waves.

• are Transverse Waves

• move in a circular motion.

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Sound - Match up

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Multiple Choice

In which medium would sound travel the fastest if all of the mediums are at the same temperature?

• air

• steel

• water

• cork

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ear parts - Labelled diagram

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Multiple Choice

Which part of the ear is involved in amplifying sound?

• ear canal

• auditory nerve

• outer ear

• anvil

Multiple Choice

Which part of the ear gathers sound waves?

• outer ear

• middle ear

• inner ear

• auditory nerve

Multiple Choice

Hearing loss is usually the result of damage to which part?

• outer ear

• ear canal

• hair cells

• stirrup

Multiple Choice

By which mechanism does a sound wave travel?

• radiation

• longitudinal wave

• electromagnetic wave

• rarefactions