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How does the sun, the moon, and gravity affect the water cycle

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by

Katherine Davis

on 20 April 2016

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Transcript of How does the sun, the moon, and gravity affect the water cycle

Tides
The alternating pattern of rising and falling sea level with respect to land is what we know as the tides. What causes this "motion of the ocean"? In one word, gravity. Specifically, the gravitational forces of the Sun and Moon.

Tides are created because the Earth and the moon are attracted to each other, just like magnets are attracted to each other.

The moon tries to pull at anything on the Earth to bring it closer. But, the Earth is able to hold onto everything except the water and the moon is able to pull it. Most tides change about every 6 hours.
How does the sun affect water?
The sun heats water and causes evaporation and ultimately is the main cause of the water cycle.

Also, most people think that the moon alone causes tides, but the sun has an equal partnership in this. Both the moon and sun have a gravitational pull and certain times are when each one is pulling the earth.

Fortunately, the earth is able to resist but the water is pulled. This causes the tide. The sun is even responsible for warm currents on top of the ocean.
Extra Info
The tide is at it's strongest point during the new and full moon.

Gravity affects precipitation and runoff in the water cycle.
How does the sun, the moon, and gravity affect the water cycle?
The Water Cycle
Evaporation
is when the sun heats up water and turns it into vapor or steam.
Tide Vocabulary
Tidal Range
- The difference in levels of ocean water at high tide and low tide
Spring Tides
- A tide of increased range that occurs two times a month , at the new and full moons
Neap Tides
- A tide of minimum range that occurs during the first and third quarters if the moon.
Tidal Bore
- A body of water that rushes up through a narrow bay or river channel during the rise of high tide and causes a sudden tidal rise.
Tide Chart
- Shows the exact time of high tide and low tide for a certain time period in a certain place
Semi-diurnal tide
- A tide that goes out or in every 12hr. and 25min.
Water vapor in the air gets cold and changes back into liquid, forming clouds. This is called
condensation.
Precipitation
occurs when so much water has condensed that the air cannot hold it anymore. The clouds get heavy and water falls back to the earth.
When it ends up on land, it will either soak into the earth and become part of the “
ground water
".
Then it starts
ALL OVER AGAIN!!!!



Credits:
www.gacoast.com
www.moonconnection.com
home.hiwaay.net
scienceline.ucsb.edu
oceanservice.noaa.gov
By: David, Ben, Julie, and Katherine
Full transcript