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
another

                  -Little change
                 
                  -Called neap tides