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Review: T I D E S SEASONS MOON PHASES

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WHY DO WE HAVE TWO (2) HIGH TIDES AND TWO (2) LOW TIDES EACH DAY?

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What causes tides? Tides are caused by the gravity of the moon and gravity of the sun Generally occurs twice a day two High Tides and two Low Tides

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CHALLENGE QUESTION: 2/27/15 WHY DO WE HAVE TWO (2) HIGH TIDES AND TWO (2) LOW TIDES EACH DAY? EARTH AND MOON CONSTANT MOVING CONSTANT MOVEMENT RESULTS IN CHANGE OF TIDES HIGH LOW NEAP (90) SPRING (180)

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Summer Solstice June 21 First day of Summer Longest day of the year Winter Solstice December 21 First day of Winter Shortest day of the year Indirect Direct Axis tilted toward Sun Summer for 3 months Direct sunlight Longer days; shorter nights Warmer temperatures Axis tilted away from Sun Winter for 3 months Indirect sunlight Shorter days; longer nights Cooler temperatures

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Autumnal Equinox September 22 First day of Fall Vernal Equinox March 20 First day of Spring Axis is parallel to the sun Both hemispheres get equal amount of sunlight

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September 21 Autumnal Equinox March 21 Vernal Equinox June 21 Summer Solstice December 21 Winter Solstice Spins (rotates to the East)

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WAXING NEW MOON WAXING CRESCENT 1 ST QUARTER WAXING GIBBOUS FULL MOON WANING GIBBOUS 3 RD QUARTER WANING CRESCENT