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Tides

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by

Erin McKavitt

on 10 November 2013

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Transcript of Tides

Tides
Do Now
If the moon had the mass of a golf ball, the sun would have the mass of about 110 school buses. Why do you think the moon exerts more influence over tides on Earth than the sun does?
Tides
Tides are the cyclical process of water rising and falling.
There are two sets of high/low tide for every 24 hour period.
Tides are caused by the gravitational pull of the moon and sun on the earth as it rotates.
Tides Cont.
The moon's pull is stronger than the sun's because it is closer.
The side of the earth that is closest to the moon and the opposite side have high tides.
The area between the two bulges are low tides.
Neap tide is the extreme low tide, caused by a right angle between the sun and the moon.
Goal
http://studyjams.scholastic.com/studyjams/jams/science/weather-and-climate/tides.htm
Questions from last class
Eclipses for 2014
April 15th Total Lunar Eclipse
April 29th Annular Solar Eclipse
October 8th Total Lunar Eclipse
October 23rd Partial Solar Eclipse
Tides Cont.
Spring tide is the extreme high tide, caused by the moon and sun's pull on one side of the earth.
Neap and Spring tides occur twice every month.
Full transcript