Describe Wave Patterns - 4th Grade Science
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Which option best describes a wave with a shorter wavelength?
Which option best describes a wave with a shorter wavelength?
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Crests are closer together. Less distance between repeating points means shorter wavelength.
Crests are closer together. Less distance between repeating points means shorter wavelength.
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Which measurement describes how tall a wave is compared with its midline?
Which measurement describes how tall a wave is compared with its midline?
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Amplitude. The vertical distance from rest to peak.
Amplitude. The vertical distance from rest to peak.
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Find the amplitude if the distance from crest to trough is $10\text{ cm}$.
Find the amplitude if the distance from crest to trough is $10\text{ cm}$.
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$5\text{ cm}$. Amplitude is half the total crest-to-trough distance.
$5\text{ cm}$. Amplitude is half the total crest-to-trough distance.
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If two waves have the same amplitude, what is the same about their patterns?
If two waves have the same amplitude, what is the same about their patterns?
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The height from the midline to a crest (or trough) is the same. Amplitude determines the wave's vertical size.
The height from the midline to a crest (or trough) is the same. Amplitude determines the wave's vertical size.
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Which wave has greater amplitude: one with taller crests or one with shorter crests?
Which wave has greater amplitude: one with taller crests or one with shorter crests?
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The wave with taller crests has greater amplitude. Amplitude is the height from midline to peak.
The wave with taller crests has greater amplitude. Amplitude is the height from midline to peak.
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Which wave has greater wavelength: one with crests farther apart or closer together?
Which wave has greater wavelength: one with crests farther apart or closer together?
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The wave with crests farther apart has greater wavelength. Wavelength is the spacing between peaks.
The wave with crests farther apart has greater wavelength. Wavelength is the spacing between peaks.
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Which measurement describes the distance from one crest to the next crest?
Which measurement describes the distance from one crest to the next crest?
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Wavelength. The distance between consecutive wave peaks.
Wavelength. The distance between consecutive wave peaks.
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Identify the wavelength if the distance from trough to trough is $12\text{ cm}$.
Identify the wavelength if the distance from trough to trough is $12\text{ cm}$.
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$12\text{ cm}$. Trough-to-trough equals one complete wavelength.
$12\text{ cm}$. Trough-to-trough equals one complete wavelength.
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Identify the wavelength if the distance from crest to crest is $8\text{ cm}$.
Identify the wavelength if the distance from crest to crest is $8\text{ cm}$.
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$8\text{ cm}$. Direct measurement of one complete wave cycle.
$8\text{ cm}$. Direct measurement of one complete wave cycle.
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Which option best describes a wave with a longer wavelength?
Which option best describes a wave with a longer wavelength?
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Crests are farther apart. Greater distance between repeating points means longer wavelength.
Crests are farther apart. Greater distance between repeating points means longer wavelength.
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Which option describes a change that increases amplitude but not wavelength?
Which option describes a change that increases amplitude but not wavelength?
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Crests become taller while crest spacing stays the same. Height changes affect amplitude; spacing affects wavelength.
Crests become taller while crest spacing stays the same. Height changes affect amplitude; spacing affects wavelength.
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Identify the two points you can measure between to find one wavelength.
Identify the two points you can measure between to find one wavelength.
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Crest to crest or trough to trough. Matching points repeat after one complete wave cycle.
Crest to crest or trough to trough. Matching points repeat after one complete wave cycle.
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Which option describes a change that increases wavelength but not amplitude?
Which option describes a change that increases wavelength but not amplitude?
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Crests become farther apart while wave height stays the same. Spacing changes affect wavelength; height affects amplitude.
Crests become farther apart while wave height stays the same. Spacing changes affect wavelength; height affects amplitude.
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What is the midline (rest position) of a wave?
What is the midline (rest position) of a wave?
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The midline is the level where the medium would be without the wave. The equilibrium position when no wave is present.
The midline is the level where the medium would be without the wave. The equilibrium position when no wave is present.
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If two waves have the same wavelength, what is the same about their patterns?
If two waves have the same wavelength, what is the same about their patterns?
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The spacing between matching points is the same. Wavelength determines the distance between repeating features.
The spacing between matching points is the same. Wavelength determines the distance between repeating features.
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Which option best describes a wave with small amplitude?
Which option best describes a wave with small amplitude?
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A wave with short height from rest position to crest. Small amplitude means low energy waves.
A wave with short height from rest position to crest. Small amplitude means low energy waves.
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Which wave feature is measured from crest to the next crest?
Which wave feature is measured from crest to the next crest?
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Wavelength. Crests repeat at regular intervals equal to the wavelength.
Wavelength. Crests repeat at regular intervals equal to the wavelength.
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Identify the relationship: If wavelength increases, how does spacing between crests change?
Identify the relationship: If wavelength increases, how does spacing between crests change?
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Spacing between crests increases. Longer wavelength means waves are stretched out.
Spacing between crests increases. Longer wavelength means waves are stretched out.
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Which wave has the greater amplitude: taller crests or shorter crests?
Which wave has the greater amplitude: taller crests or shorter crests?
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Taller crests. Height from rest to crest determines amplitude.
Taller crests. Height from rest to crest determines amplitude.
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What does the term amplitude mean in a wave pattern?
What does the term amplitude mean in a wave pattern?
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Height from the middle line to a crest or trough. Amplitude measures the wave's maximum displacement from rest.
Height from the middle line to a crest or trough. Amplitude measures the wave's maximum displacement from rest.
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