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EARTH FROM A MILLION MILES • HTTPS://WWW.YOUTUBE.COM/WATCH?V=CFRP6QFBC2G SEASONS • HTTPS://WWW.YOUTUBE.COM/WATCH?V=O9HAWBB3WBK TIDES HOW ARE TIDES INFLUENCED BY THE MOON AND SUN? TIDES • THE RISE AND FALL OF SEA LEVELS • CAUSED BY THE GRAVITATIONAL FORCES OF THE SUN AND MOON • THE FORCE OF GRAVITY IS AFFECTED BY MASS AND DISTANCE (RADIUS) • WHICH IS BIGGER? SUN OR MOON? • WHICH IS CLOSER? SUN OR MOON? TIDAL BULGE TIDAL RANGE • THE DIFFERENCE IN WATER LEVEL BETWEEN HIGH TIDE/LOW TIDE • DEPENDS ON THE POSITIONS OF THE SUN AND MOON • SPRING TIDE • NEAP TIDE SPRING TIDE • LARGEST TIDAL RANGE • EARTH, MOON, SUN FORM A STRAIGHT LINE NEAP TIDE • LOWEST TIDAL RANGE • EARTH, MOON, SUN FORM A RIGHT ANGLE NEAP – SOUNDS LIKE “KNEE”, WHICH CAN BEND AT A RIGHT ANGLE
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