Quiz
Tides
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 _____
distance
time
velocity
acceleration
• Question 2
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Q. When calculating gravity, we measure from _____
the center of mass of an object
the surface of an object
sea level
the closest point to a second object
• Question 3
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Q. Right now, how far are you from the center of the Earth?
• Question 4
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Q. The change in the force of gravity over distance is what astronomers call _____
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 _____
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
sideways
intermittent
faster
stronger
• Question 7
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Q. Where the tidal force is strongest, we say it's _____
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 _____
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?
• Question 10
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Q. There are two high tides and two low tides every _____
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
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 _____
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 _____
day
week
month
year
• Question 14
30 seconds
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Q. Due to the Moon's pull, the length of Earth's day is _____
becoming shorter
becoming longer
held constant
oscillating
• Question 15
30 seconds
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Q. What is it called when a moon shows the same face toward it's home planet?
phase matching
tidal locking
face clamping
• Question 16
30 seconds
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Q. During which moon phase are the Earth, Moon, and Sun in a line?
new moon
first quarter
full moon
third quarter
• Question 17
30 seconds
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Q. Which tides are associated with a new or full moon?
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?
spring tides
neap tides
high tides
low tides
• Question 19
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Q. How long is it between spring and neap tides?
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 _____
neap tides
spring tides
proxigean tides
promethean tides
• Question 21
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Q. The stretching of an object due to extreme tidal forces is called _____