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What does the speed of sound depend on?
When the car moves AWAY from you, its horn seems…
What can you tell about this object’s motion?
When a car moves towards you, the sound of its horn seems relatively…
In the Doppler Effect Lab, we mostly observed changes in what?
What is the Doppler effect?
The speed of sound through liquid glycerol is about 1800 m/s. Which of the following could be the speed of sound through
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?
The speed of sound through water is 1500 m/s. Which of the following could be the speed of a sound wave through air?
Which situation will result in the lowest observed frequency?
Jass measures the speed of sound in different materials. She records her data in the table below.
What can she conclude about the speed of sound in these materials?
A student creates a model of a sound wave coming from an object that is moving toward an observer to demonstrate the
Using the model, which statement best describes the changes in the sound wave as it approaches the observer?
Sound travels FASTEST through which of these materials?
A student creates a model to demonstrate the Doppler effect.
Which statements correctly compare the sound waves experienced by observer A and observer B? Select all that apply.
A longer string makes a pitch than a short string.
A student wants to create a model to demonstrate the change in sound waves from a moving source. This is called the
Doppler effect. Which model should the student create?
Match the following answers with their correct statement.
Sound waves travel
Sound waves travel
Sound does not travel in space because
Area of a longitudinal wave where particles are CLOSE together. Area of a longitudinal wave where particles are FAR apart.
Why do we hear thunder after we see a flash of lightning , usually some time later?