Monday, March 09, 2015

Ocean Tides

What Are Tides?
~The rise & fall of ocean water.
                -Caused by gravitational activity

~The highest tide movements appen when the earth, moon and sun line up

                 -Highest gravitational pull
                 -Called spring tides
                 -Only on a full moon or new moon

~The smallest tide movements happen when the sun and the moon are at right angles to one

                  -Little change
                  -Called neap tides