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Science

9th -

12thgrade

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Sensation: Vision and Hearing

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20 questions

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  • 1. Multiple Choice
    30 seconds
    12 pts
    Being able to see a candle flame 30 miles away on a clear night is the
    absolute threshold for human vision
    difference threshold for human vision.
    perceived threshold for human vision
    ratio threshold for human vision
  • 2. Multiple Choice
    30 seconds
    12 pts
    Which of the following is true about rods and cones?
    There are more cones in the retina than rods.
    Rods are photoreceptors, while cones are not
    Rods are sensitive to lower levels of light than cones.
    Rods are similar to color film and cones are similar to black-and-white film.
  • 3. Multiple Choice
    30 seconds
    12 pts

    If a dog hears a whistle that a person cannot hear, this suggests that dogs and humans have different

    kinesthesis systems.

    Gestalt ratios.

    absolute thresholds

    vestibular systems.

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