Quiz
Tides
7th - 12th grade
Played 1688 times
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Other Sciences
4 years ago by
craniumfire
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21 questions
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  • Question 1
    30 seconds
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    Q. Gravity is a force, and it weakens with _____
    answer choices
    distance
    time
    velocity
    acceleration
  • Question 2
    30 seconds
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    Q. When calculating gravity, we measure from _____
    answer choices
    the center of mass of an object
    the surface of an object
    sea level
    the closest point to a second object
  • Question 3
    30 seconds
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    Q. Right now, how far are you from the center of the Earth?
    answer choices
    about 64 km
    about 640 km
    about 6,400 km
    about 64,000 km
  • Question 4
    30 seconds
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    Q. The change in the force of gravity over distance is what astronomers call _____
    answer choices
    the dynamic force
    the concentric force
    the tidal force
    centripetal force
  • Question 5
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    Q. The overall effect of the tidal force is to _____
    answer choices
    compress an object
    stretch an object
    apply a shear force to an object
    rotate an object
  • Question 6
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    Q. Compared to the center, the side of Earth facing the Moon feels a _____ pull toward the Moon
    answer choices
    sideways
    intermittent
    faster
    stronger
  • Question 7
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    Q. Where the tidal force is strongest, we say it's _____
    answer choices
    low tide
    high tide
    neap tide
    no tide
  • Question 8
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    Q. Where the tidal force is weakest, we say it's _____
    answer choices
    low tide
    high tide
    spring tide
    no tide
  • Question 9
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    Q. What is the time between high tide and low tide?
    answer choices
    about 2 hours
    about 6 hours
    about 12 hours
    about 24 hours
  • Question 10
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    Q. There are two high tides and two low tides every _____
    answer choices
    hour
    day
    week
    month
  • Question 11
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    Q. In general, the ocean tide causes the sea level to rise and fall by 
    answer choices
    one or two centimeters
    ten or twenty centimeters
    one or two meters
    ten or twenty meters
  • Question 12
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    Q. The tidal force stretches the solid Earth by about _____
    answer choices
    3 centimeters
    30 centimeters
    3 meters
    30 meters
  • Question 13
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    Q. The Moon is receding (moving away from the Earth) at a speed of a few centimeters per _____
    answer choices
    day
    week
    month
    year
  • Question 14
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    Q. Due to the Moon's pull, the length of Earth's day is _____
    answer choices
    becoming shorter
    becoming longer
    held constant
    oscillating
  • Question 15
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    Q. What is it called when a moon shows the same face toward it's home planet?
    answer choices
    force linking
    phase matching
    tidal locking
    face clamping
  • Question 16
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    Q. During which moon phase are the Earth, Moon, and Sun in a line?
    answer choices
    new moon
    first quarter
    full moon
    third quarter
  • Question 17
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    Q. Which tides are associated with a new or full moon?
    answer choices
    spring tides
    neap tides
    high tides
    low tides
  • Question 18
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    Q. Which tide is associated with the least difference between high and low water?
    answer choices
    spring tides
    neap tides
    high tides
    low tides
  • Question 19
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    Q. How long is it between spring and neap tides?
    answer choices
    a day
    72 hours
    a week
    a month
  • Question 20
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    Q. The extra-strong tides, due to the Moon's elliptical orbit, are called _____
    answer choices
    neap tides
    spring tides
    proxigean tides
    promethean tides
  • Question 21
    30 seconds
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    Q. The stretching of an object due to extreme tidal forces is called _____
    answer choices
    noodle-pulling
    spaghettification
    pastafarianism
    linguine-stretching
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Science - 4th
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