The speed of a sound wave depends on

both air temperature and medium

As a sound source approaches and then moves past a stationary observer, the observer will hear

a rise in pitch, then a drop in pitch

a drop in pitch, then a rise in pitch

Waves Sound Doppler Standing

Authored by Charles Martinez

Physics

9th Grade

NGSS covered

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

Content View

Student View

13 questions

Show all answers

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the Doppler effect?

The observed change in frequency of sound or light because of the relative motion of a wave source and the observer.

The observed change in amplitude of sound or light because of the relative motion of a wave source and the observer.

The observed change in wave speed of sound or light because of the relative motion of a wave source and the observer.

The observed change in equilibrium position of sound or light because of the relative motion of a wave source and the observer.

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

You stand on the sidewalk next to the street. A fire truck is moving towards you. The frequency of the siren on the fire truck is 600 Hz.

What should you hear?

Frequency higher than 600 Hz

Frequency lower than 600 Hz

Exactly 600 Hz

No sound, silence.

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

You stand on the sidewalk next to the street. A fire truck is moving away from you. The frequency of the siren on the fire truck is 600 Hz.

What should the firemen on the truck hear?

Frequency higher than 600 Hz

Frequency lower than 600 Hz

Exactly 600 Hz

No sound, silence.

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A car moves at 20 m/s towards a whistle. The whistle is stationary. The whistle makes a sound with a frequency of 500 Hz. The speed of sound in air is 330 m/s.

What is the frequency observed by the driver of the car?

530 Hz

470 Hz

520 Hz

480 Hz

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A car moves at 20 m/s away from a whistle. The whistle is stationary. The whistle makes a sound with a frequency of 500 Hz. The speed of sound in air is 330 m/s.

What is the frequency observed by the driver of the car?

530 Hz

470 Hz

520 Hz

480 Hz

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A fire truck is moving towards you. The fire truck moves with a speed of 30 m/s. You are motionless. The siren on the fire truck makes a sound with a frequency of 700 Hz. The speed of sound in air is 350 m/s.

What frequency will you hear?

765 Hz

730 Hz

660 Hz

645 Hz

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Sound waves are what kind of wave?

Longitudinal

Transverse

Surface

Electromagnetic

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever

or continue with

Microsoft

Apple

Others

Already have an account?

Similar Resources on Wayground

10 questions

Hubble Telescope Picture

Quiz

•

9th - 12th Grade

12 questions

Formative 9B-D: Amplitude, Wave Comparisons, & Disruptions

Quiz

•

9th Grade

10 questions

REVISÃO 2 - Unidades de medida

Quiz

•

9th - 12th Grade

12 questions

Radiation (G9-ARIS)

Quiz

•

9th Grade

10 questions

Density and Moment

Quiz

•

9th Grade

10 questions

Linear Motion

Quiz

•

9th Grade

16 questions

Microbit Robot Quiz

Quiz

•

9th Grade

8 questions

Heat Transfer (conduction, convection, radiation)

Quiz

•

9th Grade

Popular Resources on Wayground

7 questions

History of Valentine's Day

Interactive video

•

4th Grade

15 questions

Fractions on a Number Line

Quiz

•

3rd Grade

20 questions

Equivalent Fractions

Quiz

•

3rd Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

$fractions$

22 questions

fractions

Quiz

•

3rd Grade

15 questions

Valentine's Day Trivia

Quiz

•

3rd Grade

20 questions

Main Idea and Details

Quiz

•

5th Grade

20 questions

Context Clues

Quiz

•

6th Grade

Discover more resources for Physics

10 questions

Exit Check 3.1 - Kepler's Laws

Quiz

•

9th Grade

10 questions

Exit Check 3.2 - Force of Gavity

Quiz

•

9th Grade

27 questions

Simple Machines and Mechanical Advantage Quiz

Quiz

•

9th Grade

20 questions

Unit 8 - Energy Test - 2025-2026

Quiz

•

9th - 12th Grade

19 questions

Generators, Motors, and Transformers

Quiz

•

8th Grade - University

24 questions

IPC Thermal Energy Test Corrections

Quiz

•

9th Grade

14 questions

Bill Nye Waves

Interactive video

•

9th - 12th Grade

20 questions

Ohm's Law

Quiz

•

9th Grade

Waves Sound Doppler Standing

What is the Doppler effect?

You stand on the sidewalk next to the street. A fire truck is moving towards you. The frequency of the siren on the fire truck is 600 Hz.

What should you hear?

You stand on the sidewalk next to the street. A fire truck is moving away from you. The frequency of the siren on the fire truck is 600 Hz.

What should the firemen on the truck hear?

A car moves at 20 m/s towards a whistle. The whistle is stationary. The whistle makes a sound with a frequency of 500 Hz. The speed of sound in air is 330 m/s.

What is the frequency observed by the driver of the car?

A car moves at 20 m/s away from a whistle. The whistle is stationary. The whistle makes a sound with a frequency of 500 Hz. The speed of sound in air is 330 m/s.

What is the frequency observed by the driver of the car?

A fire truck is moving towards you. The fire truck moves with a speed of 30 m/s. You are motionless. The siren on the fire truck makes a sound with a frequency of 700 Hz. The speed of sound in air is 350 m/s.

What frequency will you hear?

Sound waves are what kind of wave?

If you want to change the pitch of a sound, you have to change the ___

This is the unit used to measure the volume of a sound.

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Physics

Waves Sound Doppler Standing

What is the Doppler effect?

You stand on the sidewalk next to the street. A fire truck is moving towards you. The frequency of the siren on the fire truck is 600 Hz.What should you hear?

You stand on the sidewalk next to the street. A fire truck is moving away from you. The frequency of the siren on the fire truck is 600 Hz.What should the firemen on the truck hear?

A car moves at 20 m/s towards a whistle. The whistle is stationary. The whistle makes a sound with a frequency of 500 Hz. The speed of sound in air is 330 m/s.What is the frequency observed by the driver of the car?

A car moves at 20 m/s away from a whistle. The whistle is stationary. The whistle makes a sound with a frequency of 500 Hz. The speed of sound in air is 330 m/s.What is the frequency observed by the driver of the car?

A fire truck is moving towards you. The fire truck moves with a speed of 30 m/s. You are motionless. The siren on the fire truck makes a sound with a frequency of 700 Hz. The speed of sound in air is 350 m/s.What frequency will you hear?

Sound waves are what kind of wave?

If you want to change the pitch of a sound, you have to change the ___

This is the unit used to measure the volume of a sound.

This is what you get when sound waves are reflected, or bounce back, off of a hard surface.

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Physics

You stand on the sidewalk next to the street. A fire truck is moving towards you. The frequency of the siren on the fire truck is 600 Hz.

What should you hear?

You stand on the sidewalk next to the street. A fire truck is moving away from you. The frequency of the siren on the fire truck is 600 Hz.

What should the firemen on the truck hear?

A car moves at 20 m/s towards a whistle. The whistle is stationary. The whistle makes a sound with a frequency of 500 Hz. The speed of sound in air is 330 m/s.

What is the frequency observed by the driver of the car?

A car moves at 20 m/s away from a whistle. The whistle is stationary. The whistle makes a sound with a frequency of 500 Hz. The speed of sound in air is 330 m/s.

What is the frequency observed by the driver of the car?

A fire truck is moving towards you. The fire truck moves with a speed of 30 m/s. You are motionless. The siren on the fire truck makes a sound with a frequency of 700 Hz. The speed of sound in air is 350 m/s.

What frequency will you hear?