Monday 9-9-13. Fill Out Planner for entire week Update Journal Grade Moon WS. Return & Go over Tests Retest instructions. Monday 9-9-13. Fill Out Planner for entire week record plant observations Turn in Feasibility Update Journal Grade Moon WS. Return & Go over Tests
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I can differentiate between High and Low tides and how often they occur.
I can name at least 2 location where you can see tides happening everyday.
I can work cooperatively with my partner to determine what causes tides.
I can illustrate Spring and Neap tides.
I can determine that Spring tides have NOTHING to do with the seasons.
Why is the Moon’s tidal affect larger?
The Moon is closer to the Earth
Moon’s gravity pulls on the Earth, and pulls the water towards it.
The water moves up into a slight bulge on the side of the Earth that faces the moon.
At the same time, water on the opposite side of Earth bulges due to the motion of the Earth and the Moon around each other.
The bulges are called high tide.
Water is drawn away from the area between high tides creating low tides
Earth’s rotation and the moon\'s orbit around the Earth determine when tides occur. Tides occur at different spots on Earth because Earth rotates more quickly than the moon revolves around Earth.
It takes 24 hours and 50 minutes for a spot on Earth to rotate and face the moon again. Therefore, high and low tides occur about 50 minutes later each day
In one rotation (1 day) the moon :
1. Starts over _____________
2. 6 hours later _____________
3. another 6 hrs (12 hrs)__________
4. another 6 hrs.(18 hrs) _______
5. returns to point of origin (24hrs) ____
Middle of Pacific
(West of Hawaii)
This is small rocky island about 1 km from the north coast of France near Normandy.
The tides surrounding the “Mount” can vary by 14 meters between high and low tides, and may move in as rapidly as 1 meter per second.
The “Mount” is connected to the mainland by a thin natural land bridge, which before modernization was covered by the sea at high tide, and revealed during the low tide.
24 hours and 50 minutes
The time of the rotation of the Earth with respect to the Moon
are in a straight line.
Spring tides occur during the FULL moon
And the NEW moon phases.
The gravitational forces of the Moon and Sun both contribute
to the tides. Which creates the
maximum tidal range
Neap tides occur during 1st
& 3rd QUARTER Moon phases.
Gravitational pull from The
Moon & Sun cancel each
other out, creating a
Minimumal tidal range)