English

8th

grade

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To Fly

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  • 1. Multiple Choice
    30 seconds
    1 pt

    According to physicist Lord Kelvin as cited in "To Fly," why would human flight be impossible?

    Humans would not be able to breathe at altitudes necessary for flight.

    Powerful air currents would cause any flying vehicle to crash.

    It is impossible to design artificial wings.

    Things heavier than air cannot fly.

  • 2. Multiple Choice
    30 seconds
    1 pt

    In "To Fly," how does the author respond to Kelvin's assertion about flight?

    He suggests that technological ingenuity can solve all problems.

    He points out that birds are heavier than air, yet they fly.

    He reminds the reader that Kelvin was not an inventor.

    He reveals plans for a self-propelled airplane.

  • 3. Multiple Choice
    30 seconds
    1 pt

    In "To Fly," why does the author present information about the speed of sound?

    to show that the laws of physics were made to be broken.

    to reveal the difference between physics and other sciences.

    to indicate how rapidly humans have overcome the laws of physics.

    to prove that anything not prohibited by the laws of physics is possible.

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