Earth's Gravity relation to Tides
Earth's Relation to Tides
How Tides Affect the Earth's Ecosystem
How the Earth coexists wit the Sun and Moon, and how they all affect tides
100
Who discovered the theory that the gravitational attraction of the sun and moon affects tides?
Who is Sir Issac Newton 
100
A sandbank exposed at low tide
What is a wash 
100
Scientists believe that animals living near the coast have an  ________
what is ecological-internal clock
100
The most drastic tide 
What is spring tides
200
True or False, Gravity causes two high tides in 24 hours. 
False, Gravity doesn't cause this
200
One of the most important things for coastal navigation 
What is the prediction of tides
200
The strongest tide that occurs at a supermoon
What is a spring tide
200
What does the moon's gravity cause?
What is a tidal bulge
300
True or False, is gravity the only force that causes tides?
False
300

 a full moon, also when the moon is closest to Earth


what is a super moon 
300

During the ______ knots will swarm around washes to feed.

What is Winter
300
The cause of spring tides 
What is full and new moons 
400
A force that acts outward on a body moving around a center
What is centrifugal force 
400
What causes the oceans to bulge on the opposite side facing the moon?
what is inertia 
400
The breeding cycle of the ______ is synchronized to the spring tides.  
What is the California Grunion
400
What is it called when the moon is closest to the Earth?
What is perigee
500
What year did Issac Newton discover the cause for the oceanic tides?
When is 1687 
500

he strip of seashore that is submerged at high tide and exposed at low tide

what is the intertidal zone


500
When tides _______ the grunions flop onto the wash and lay their eggs.  

A. Higher    B. Lower    C. are the same    D. Spring

B. Lower 
500
When the Earth is closest to the sun, the tides' ranges are ______.

A. Increased   B. Decreased   C.  The Same

A. Increased
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