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Biology, Science

8th

grade

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Some Natural Phenomena – EWF- 5

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21 questions

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  • Multiple Choice
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    30 seconds
    1 pt

    Explain a seismographs working. What is the first statement of this audio clip?

    The tremors produce waves on the surface of the earth.

    These are called seismic waves.

    The waves are recorded by an instrument called the seismograph.

    The instrument is simply a vibrating rod, or a pendulum, which starts vibrating when tremors occur.

    A pen is attached to the vibrating system.

  • Multiple Choice
    Please save your changes before editing any questions.
    30 seconds
    1 pt

    Explain a seismographs working. What is the second statement of this audio clip?

    The tremors produce waves on the surface of the earth.

    These are called seismic waves.

    The waves are recorded by an instrument called the seismograph.

    The instrument is simply a vibrating rod, or a pendulum, which starts vibrating when tremors occur.

    A pen is attached to the vibrating system.

  • Multiple Choice
    Please save your changes before editing any questions.
    30 seconds
    1 pt

    Explain a seismographs working. What is the third statement of this audio clip?

    The tremors produce waves on the surface of the earth.

    These are called seismic waves.

    The waves are recorded by an instrument called the seismograph.

    The instrument is simply a vibrating rod, or a pendulum, which starts vibrating when tremors occur.

    A pen is attached to the vibrating system.

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