Ocean Tides 2025-06-25 ¿ÀÈÄ 12:04:13 À̼öÁø

 

Ocean Tides  

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Description: 




The moon's
gravitational pull creates the tidal forces on Earth, leading to the regular
rise and fall of ocean levels known as high and low tides. These tides are influenced
by the moon's position relative to Earth and the sun, resulting in spring and
neap tides with varying tidal ranges.
 



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Transcription:  




Everything in the
universe is attracted to everything else.
 



This is due to the
force of gravity.
 



Earth and the moon are
equally attracted to one another and are constantly pulling with equal
gravitational force.
 



We may not be able to
feel it, but this has some interesting effects that we can see each day.
 



Since earth and the
moon's gravitational pulls are balanced, they see a consistent distance apart.
 



However, the moon's
gravitational pull has an interesting effect on the oceans on Earth.
 



The moon's
gravitational force is strongest on whichever side of Earth it is closest to.
 



This pulls water in
the oceans towards the moon causing the water levels to rise creating a high
tide.
 



However, the moon is
simultaneously pulling earth towards it causing a similar high tide on the
opposite side of the planet.
 



This subsequently
creates low tides in other places on Earth.
 



This means that there
are two high tides and two low tides every day.
 



The tides cycle as the
moon rotates around the Earth and as the position of the sun changes.
 



Earth also has spring
and neap tides.
 



Spring tide occurs
when the sun and the moon are aligned this creates the highest high tide and
the lowest low tide, or the largest tidal range.
 



Neap tide occurs
during the smallest tidal range.
 



This is when the moon
is at the first and third quarter phases.
 



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À̰ÍÀº ´ÞÀÌ 1ºÐ±â¿Í 3ºÐ±â ´Ü°è¿¡ ÀÖÀ» ¶§ÀÔ´Ï´Ù. 



 




Questions: 




1. Why does the moon's
gravitational force cause high tides on opposite sides of Earth?
 



2. What is the
difference between spring tides and neap tides?
 



3. How often do high
and low tides occur each day?
  

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