The gravitational pull of the moon on the Earth is the primary cause of tides.
![What Causes Ocean Tides? [Low Tide, High Tide, First Tide, Second Tide, Spring Tides, Neap Tides]](https://i.ytimg.com/vi/eFH1ScCW-_k/hqdefault.jpg)
Contents
MCQs
1. How many high tides does a typical coastal location experience each day?
A) One
B) Two
C) Three
D) Four
Answer: B) Two
Explanation: Most coastal areas experience two high tides and two low tides every lunar day (about 24 hours and 50 minutes).
2. What type of tide occurs when the sun and moon are aligned with the earth?
A) Neap tide
B) Spring tide
C) Ebb tide
D) Rip tide
Answer: B) Spring tide
Explanation: Spring tides occur when the sun and moon are directly in line with the earth, resulting in higher high tides and lower low tides.
3. Which tide is characterized by the lowest difference between high and low tide?
A) Neap tide
B) Spring tide
C) Ebb tide
D) Rip tide
Answer: A) Neap tide
Explanation: Neap tides occur when the moon and sun are at right angles to each other, resulting in the least difference between high and low tides.
4. What phase of the moon is associated with neap tides?
A) New Moon
B) Full Moon
C) First Quarter
D) Both B and C
Answer: D) Both B and C
Explanation: Neap tides occur during the first and third quarters of the moon’s phase when the sun and moon are at right angles relative to the Earth.
5. The vertical difference between the high tide and the low tide is called what?
A) Tidal range
B) Tidal force
C) Tidal resonance
D) Tidal power
Answer: A) Tidal range
Explanation: The tidal range is the vertical difference between high tide & low tide at a particular location.
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