Tides A
Define tides
cyclic rise and fall of sea level
water moves away from shore
***DAILY DOUBLE***
What is ebb tide?
Moon moving from new to first quarter
What is a waxing crescent?
Only 1 high tide and 1 low tide a day
What is a diurnal tide?
You are walking to the Fish Center at night and notice it is a full moon. What kind of tide should you expect to see?
What is a spring tide?
Every object that has mass in the universe is attracted to every other object.
What is gravitational force derived from Newton’s Law of Universal Gravitation?
difference in height between high and low tides
What is tidal range?
The number of spring and neap tides that occur in a lunar month
What is two sets of spring and two sets of neap tides?
World’s largest tidal range
What is Bay of Fundy?
Tidal water trapped behind coastal barriers in bays and estuaries turns electrical turbines
What is tide generated power?
24 hours, 50 minutes
What is a lunar day?
Occur at quarter moons
What are neap tides?
Time between high tides
What is the tidal period?
Moon between Earth and Sun
What is a new moon?
A place where you would find mixed tides
***DAILY DOUBLE***
What is West Coast of USA, Caribbean, parts of Australia and southeast Asia
Center seeking force that tethers Earth and Moon to each other
What is centripetal force?
Two high tides/two low tides per day and tidal range is different
What are mixed tides?
Term to describe the Moon in first or third quarter phase
What is quadrature?
when a reversing tidal current changes direction, there is no net movement for a short time
What is a slack tide or slack water?
Fill in the blank:
_________ do not account for continents or friction.
What are idealized tides?
greatest force/closest to the moon
What is the zenith?
Moon moving from full to last quarter
What is waning gibbous?
The term to describe Moon, Earth, and Sun aligned
What is syzygy?
Tide-generated wall of water
What is a tidal bore?
What is the equation for gravitational force?
Fg=Gm1m2/r2