Lesson
Doppler Effect
11th - 12th grade
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Physics
5 days ago by
fheery_lcc_68303
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  • Slide 1
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    Doppler Effect

    Text
  • Slide 2
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    Learning Outcomes

    • State the Doppler Effect

    • Be able draw the Doppler effect

    • Give examples

    • Explain in terms of frequency

  • Slide 3
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  • Question 4
    300 seconds
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    Q. What can you tell about this object's motion?
    answer choices
    Moving to the North (up).
    Moving to the South (down). 
    Moving to the West (left). 
    Moving to the East (right). 
  • Question 5
    300 seconds
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    Q. What can you tell about the motion of this object?
    answer choices
    Moving left.
    Moving right quickly.
    Standing still. 
    Moving up slowly. 
  • Question 6
    120 seconds
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    Q. The vast majority of galaxies in our universe are moving away from us.  We know this because we observe __________ in the galaxies absorption spectra.
    answer choices
    Redshift
    Blueshift
    Turbulance
    Superposition
  • Question 7
    120 seconds
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    Q. If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
    answer choices
    Moving towards the Earth
    Moving away from the Earth
    This is a trick question that cannot be answered
    It isn't a star, it is a very large blueberry.
  • Question 8
    120 seconds
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    Q. What best describes the doppler effect?
    answer choices
    An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
    When sound changes pitch
    When light changes color
    An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
  • Question 9
    300 seconds
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    Q. The Doppler effect is seen when a wave-making source moves toward an observer. 
    answer choices
    True
    False
  • Question 10
    300 seconds
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    Q. When an ambulance move TOWARD you it sounds ________ pitched. 
    answer choices
    high
    low
    medium
  • Question 11
    300 seconds
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    Q. When the car moves AWAY from you, its horn seems...
    answer choices
    Low pitched
    High pitched
    Normal
  • Question 12
    300 seconds
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    Q. Short sound waves are...
    answer choices
    high pitched
    low pitched
    medium pitched
  • Question 13
    300 seconds
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    Q. Long sound waves are...
    answer choices
    high pitched
    low pitched
    medium pitched
  • Slide 14
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  • Question 15
    60 seconds
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    Q. Sound does not travel in space because
    answer choices
    Space is too far away.
    There is no matter in space.
    Space is the final frontier
    Space has planets.
  • Question 16
    30 seconds
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    Q.

    Roughly what is the speed of sound in water?

    answer choices

    About 350 m/s

    About 1 500 m/s

    About 5000 m/s

    About 1800 m/s

  • Question 17
    30 seconds
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    Q.

    Roughly what is the speed of sound in air?

    answer choices

    The speed of light.

    About 10 m/s

    About 340 m/s

    About 1 500 m/s

  • Question 18
    30 seconds
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    Q.

    Why does sound travel faster in solids than in liquids or gases.

    answer choices

    They are harder.

    The particles are closer together.

    Solids have more energy.

    Gases fill their container.

  • Question 19
    30 seconds
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    Q.

    Which state of matter do sounds travel fastest in?

    answer choices

    Solid

    Liquid

    Gas

    Plasma

  • Question 20
    30 seconds
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    Q. Which factor does not affect the speed of sound:
    answer choices
    temperature
    distance
    density
    elasticity
  • Question 21
    Ungraded
    30 seconds
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    Q.

    How are you at stating the Doppler Effect

    no correct answer

    Very confident

    Okay

    Not sure

    Not a clue

  • Question 22
    Ungraded
    30 seconds
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    Q.

    How are you at giving examples of the Doppler effect?

    no correct answer

    Very confident

    Okay

    Not sure

    Not a clue

  • Question 23
    Ungraded
    30 seconds
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    Q.

    How are you at explaining frequencies?

    no correct answer

    Very confident

    Okay

    Not sure

    Not a clue

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