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Day in the Salt Marsh, A
       

Day in the Salt Marsh, A

 

 

 

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1. The distance between the high tide and the low tide in the Bay of Fundy in Canada is 40 feet. The difference in high tide and low tide in a local bay is only 3 feet. What is the difference between the sizes of the tide variances in the two locations?

43 feet
37 feet
40.3 feet
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2. How many hours are there in a day?

12
24
48
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3. If an average tide cycle takes approximately 12 hours to go from low tide, through high tide, and back to low, then one can assume that:

If high tide is at 2:00pm, the next high tide will be about 2 in the morning
If high tide is at 2:00pm, the low tide will be around 8 that evening
both of the above
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4. If tides get later by approximately 50 minutes later each day and low tide is at 2:00pm one day, then:

low tide should be about 1:10 the next day
low tide should be about 2:50 the next day
low tide should be about 2:00 the next day
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5. If I’m at the beach in the morning and low tide was at 8:00 that morning:

the tide is going out (ebbing)
the tide is coming in (flooding)
not enough information to know
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6. If I’m at the beach in the morning and low tide was at 8:00 that morning:

high tide will be about twelve hours later than low
high tide will be about six hours later than low
high tide will be about four hours later than low
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7. Tides are related to the moon phase. If high tide falls in the morning (about 8:am give or take an hour) on new moons and full moons, then:

low tide will be in the early afternoon on days of the new and full moons
high tide will be in the early afternoon on days of the quarter moons
both of the above are true
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8. Tides are related to the moon phase. If high tide falls in the morning (about 8:am give or take an hour) on new moons and full moons, then:

If high tide is in the morning on one Monday, then it will be low tide in the morning a week later.
If high tide is in the morning on Monday, it will be high tide in the morning the following Friday.
Not enough information to determine
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9. If it takes approximately 6 hours to go from high tide to low tide and vice versus, then slack tide (when tide is neither coming in nor going out) is approximately:

Every 12 hours
Every 6 hours
Every 3 hours
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10. In a salt marsh by a river and the ocean, the ebb tide (going out) will be stronger than the flood tide (coming in) because it has the river flow adding to the tide. If the strongest tidal current is approximately 3 hours after slack, then:

The strongest movement of water is at either high tide or low tide.
The strongest movement of water is three hours after high tide.
The strongest movement of water is three hours after low tide.
 
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