Have you ever wondered how ocean tides work? Well ocean tides are caused by the gravitational interaction between the earth and the moon. The gravitational attraction of the moon causes the ocean to bulge out in the direction of the moon. Another bulge occurs of the opposite side, since the earth is also being pulled towards the moon (and away from the water on the far side). Since the earth is rotating while this is happening, two days tides occur each day. Isaac Newton was the first person to explain tides scientifically.
Spring tides are especially strong tides (they do not have anything to do with the season Spring). They occur when the earth the sun, and the moon are in line. The gravitational forces of the moon and the sun both contribute to tides. Spring tides occur during the full moon and the new moons.
Dr. Galaxy
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