Sammy has asked the question: How are electromagnetic and mechanical waves similar? She wants to make her question more specific. Which of the following questions would best help her find a similarity between electromagnetic and mechanical waves?

What is transferred in electromagnetic and mechanical waves?

How do the speeds compare between electromagnetic and mechanical waves?

Can electromagnetic and mechanical waves travel in outer space?

What affects the energy of electromagnetic and mechanical waves?

Which of the following observations demonstrates that visible light waves are electromagnetic waves?

Sunlight can pass through a vacuum

Sunlight can pass through solids

Sunlight can pass through liquids

What happens to the frequency and the speed of an electromagnetic wave as it passes from air into glass?

the frequency remains the same and the speed decreases

the frequency decreases and the speed increases

the frequency increases and the speed decreases

the frequency remains the same and the speed increases

Out in the Wild West during the time of Colonial Expansion, the native peoples would put their ears to the ground to listen for herds of bison or groups of horses in the are. Why would listening to the ground be more effective than cupping a hand around your ear while standing high on the ground?

The ground is denser than the air so the sound of a herd can be heard sooner through the ground than the air

The ground is less dense than the air so the sound of a herd can be heard sooner through the ground than the air

The ground is denser than the air so the sound of a herd can be heard sooner through the air than the ground

The ground is less dense than the air so the sound of a herd can be heard sooner through the air than the ground

You are conducting an experiment to study how light travels through different substances. Based on the data in the table, in which substance would a laser beam travel the slowest and why?

Glycerin because it is most dense and has the highest index of refraction

Vacuum because it is most dense and has the lowest index of refraction

Vacuum because it is least dense and has the lowest index of refraction

Glycerin because it is least dense and has the highest index of refraction

For the solids listed in the data table, which seems to be true about the relationship between the speed of sound and density?

the speed of sound increases as density increases

the speed of sound decreases as density increases

the speed of sound decreases as density decreases

there is no apparent relationship between density and the speed of sound

The siren of a fire truck emits a certain pitch, which is heard by a nearby observer. In which of the following situations would the observer perceive the lowest frequency of sound?

The observer is stationary while the fire truck drives away from the observer at 15 m/s

The observer and fire truck are both stationary

The observer walks at 3 m/s toward the stationary fire truck

The observer is stationary while the fire truck drives toward the observer at 15 m/s

A loud buzzer is swinging like a pendulum. An observer is near one end of the buzzer's path, as shown in the image. Which of the following describes and explains what the observer hears as the buzzer moves away from him?

a lower-pitched buzz than the buzzer's normal sound because the sound waves are arriving less frequently

a higher-pitched buzz than the buzzer's normal sound because the sound waves are arriving more frequently

a lower-pitched buzz than the buzzer's normal sound because the velocity of the sound waves is reduced by the velocity of the swinging buzzre

a higher-pitched buzz than the buzzer's normal sound because the velocity of the sound waves is increased by the velocity of the swinging buzzer

Common Assessment 2 Review

Authored by Katie Duarte

Science

8th - 12th Grade

NGSS covered

Used 30+ times

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28 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the amplitude of a wave?

a quarter of the total height of the wave

half of the total height of the wave

two times the total height of the wave

four times the total height of the wave

Tags

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is meant by the wavelength of a wave?

the wavelength is the distance between adjacent identical parts of a wave, parallel to the direction of propagation

the wavelength is the distance between adjacent identical parts of a wave, perpendicular to the direction of propagation

the wavelength is the distance between a crest and the adjacent trough of a wave, parallel to the direction of propagation

the wavelength is the distance between a crest and the adjacent trough of a wave, perpendicular to the direction of wave propagation

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A student is listening to the radio and realizes that the volume is too low. When she turns up the volume, which part of the sound waves is she changing?

wavelength

frequency

period

amplitude

Tags

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the relationship between the wavelengths of the colors and the amount of energy they have?

Longer wavelength = less energy

Shorter wavelength = less energy

Longer wavelength = more energy

There is not a relationship between wavelength and energy

Tags

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An original signal's frequency is halved by a resistor, and no other part of the wave is affected. Determine the change in the amplitude of the signal.

The amplitude is doubled

The amplitude is quadrupled

The amplitude is halved

The amplitude is unchanged

Tags

NGSS.MS-PS4-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which pair of terms best describes light waves traveling from the Sun to Earth?

electromagnetic and transverse

electromagnetic and longitudinal

mechanical and transverse

mechanical and longitudinal

Tags

NGSS.MS-PS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A radio station transmits to a receiving antenna. The radio wave send is a

sound wave

longitudinal wave

transverse wave

torsional wave

Tags

NGSS.MS-PS4-1

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Common Assessment 2 Review

What is the amplitude of a wave?

What is meant by the wavelength of a wave?

A student is listening to the radio and realizes that the volume is too low. When she turns up the volume, which part of the sound waves is she changing?

What is the relationship between the wavelengths of the colors and the amount of energy they have?

An original signal's frequency is halved by a resistor, and no other part of the wave is affected. Determine the change in the amplitude of the signal.

Which pair of terms best describes light waves traveling from the Sun to Earth?

A radio station transmits to a receiving antenna. The radio wave send is a

Point U on the diagram is a(n)

Point X on the diagram is a(n)

From the Equilibrium line to Point X on the diagram is a(n)

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