Tides – Flashcards
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the periodic daily rise and fall of ocean water
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tides
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How often do tides rise and fall?
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twice a day
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tides that occur during the new and full moons
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spring tide
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tides that occur during the first and third quarters of the moon
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neap tide
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the force that pulls the tides
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gravity
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Which statement explains why the moon's gravity is able to create high and low tides?
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IT IS NOT The moon is revolving more quickly than the Earth is rotating.
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forms when water is drawn away from the area between high tides
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low tide
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The Bay of Fundy has the greatest tidal ranges on Earth. What can you infer about the Bay of Fundy?
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It is a long, narrow inlet.
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When do the greatest tidal ranges occur?
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spring tides
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bulge that takes place on parts of Earth facing or opposite the moon
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high tide
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From what is known about spring tides and neap tides, you can conclude that
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the height of high tides varies with the phases of the moon.
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Which statement describes what is happening at high tide?
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The moon's gravity is pulling ocean water into a bulge.
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An unusually high tide is called a _______ tide.
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spring
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Which statement explains why the moon's gravity is able to create high and low tides?
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The moon is revolving more slowly than the Earth is rotating.
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Which of these takes exactly 24 hours?
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one rotation of the Earth
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the difference between water levels at low and high tide
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tidal range
