IS7 - Unit 5 Test

This figure shows a _____.

• compressional wave

• decibel scale

• electromagnetic spectrum

• transverse wave

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NGSS.MS-PS4-1

In the figure shown, point A is called a _____.

• amplitude

• crest

• rarefaction

• trough

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NGSS.MS-PS4-1

In the figure shown, point B is called a _____.

• compression

• crest

• diffraction

• trough

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NGSS.MS-PS4-1

The amplitude of a compressional wave depends on the _____.

• density of material in compressions and rarefactions

• distance between crests and troughs

• number of wavelengths that pass by a point each second

• vibration of electric and magnetic parts

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NGSS.MS-PS4-1

Which of the following correctly states the equation for calculating wave speed?

• wave speed = frequency / wave length

• wave speed = wave length / frequency

• wave speed = wave length + frequency

• wave speed = wave length x frequency

In the figure shown, the light waves change direction as a result of _____.

• diffraction

• reflection

• refraction

• reverberation

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NGSS.MS-PS4-2

In the figure shown, the directional change of the light waves occurs because _____.

• light waves travel faster through air than water

• light waves travel faster through water than air

• the angle of reflection of waves always equals the angle of incidence

• waves carrying less energy produce light with lower intensity

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound waves produced by a vibrating object are _____.

• compressional waves

• electromagnetic waves

• seismic waves

• transverse waves

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NGSS.MS-PS4-1

What conclusion can you draw from the information shown in this figure?

• Sound intensity is greater in water than in air

• Sound waves can move more quickly through liquids than through solids

• The frequency of sound increases with wave speed

• The speed of sound varies with the material in which the waves travel

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NGSS.MS-PS4-2

Based on the figure shown, sound waves travel most slowly through which of the following?

• air

• glass

• rubber

• water

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NGSS.MS-PS4-2