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by BlastRoom
Questions explain how the Moon and Sun produce tidal patterns and ranges.
#earth_space_science
25 questions
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Use the tide curve for Harbor A. What is the tidal range from the first high water to the following low water?
Use the tide curve for Harbor B. What height does the first high-water peak reach?
Use the tide curve for Harbor C. How much time passes between the two high-water peaks?
Use the tide curve for Harbor D. What is the tidal range from the first low water to the next high water?
Use the tide curve for Harbor E. What time does the lowest water level occur?
Use the tide curve for Harbor F. How long does the harbor take to go from the morning low water to the morning high water?
Use the tide curve for Harbor G. What is the approximate mean height of the two high-water peaks?
Use the Sun-Earth-Moon model. What tide pattern occurs when the Moon is at position A?
Use the Sun-Earth-Moon model. What tide pattern occurs when the Moon is at position B?
Use the Sun-Earth-Moon model. What tide pattern occurs when the Moon is at position C?
Use the Sun-Earth-Moon model. What tide pattern occurs when the Moon is at position D?
Positions A and C both lie on the Sun-Earth line in the model. What do their tides have in common?
The model shows the Moon moving from A to B during one week. How does the tidal range change?
The tidal-bulge diagram shows one bulge facing the Moon. What causes that near-side high tide?
The tidal-bulge diagram shows a second bulge opposite the Moon. What explains that far-side high tide?
Use the tidal-bulge diagram. As most coasts rotate through both bulges in one lunar day, how many high tides are typical?
Use the tidal-bulge diagram. A coast located halfway between the two bulges is at what part of the tide cycle?
In the bulge diagram, the long axis of the ocean bulges points toward and away from the Moon. What does that alignment show?
Compared with the Sun's tide-making effect, why does the Moon usually control the timing of daily ocean tides?
High tide at a harbor is 7:20 a.m. Monday. Under the usual lunar-day lag, about when is the comparable high tide Tuesday?
High tides at a semidiurnal harbor are about 12 hours 25 minutes apart. If one high tide is at 2:00 a.m., when is the next high tide?
During a new moon, the solar and lunar tidal forces act along nearly the same line. How does the Sun's contribution change the range?
Burntcoat Head in the Bay of Fundy has a mean tidal range of about 11.7 meters. What should a dock operator expect over one tidal cycle?
Turnagain Arm, Alaska, has one of the largest U.S. tidal ranges, about 9.2 meters at Sunrise. Why should a kayaker check tide-current predictions there?
NOAA reports that the Bay of Fundy's Minas Basin can rise about 16 meters from low to high water. What local factor helps amplify that tide?
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25 questions
