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Phases, Eclipses, and Tides. Section 19.3. Moon Motions. Revolves around Earth once every 27.3 days Rotates around its axis once every 27.3 days Because of the moons movements, the same side of the moon always faces Earth. Moon Phases. 29.5 day cycle.

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Presentation Transcript
moon motions
Moon Motions
  • Revolves around Earth

once every 27.3 days

  • Rotates around its axis

once every 27.3 days

  • Because of the moons

movements, the same side

of the moon always faces Earth

slide3

Moon

Phases

29.5 day

cycle

http www moongiant com blue moon calendar php
http://www.moongiant.com/Blue_Moon_Calendar.php

Names of the Full Moons

January Wolf Moon

February Snow Moon

March Sap Moon

April Pink Moon

May Flower Moon

June Strawberry Moon

July Buck Moon

August Sturgeon Moon

September Harvest Moon

October Hunter Moon

November Beaver Moon

December Cold Moon

Blue Moon – second

full moon of a

single month.

Occurs, on average,

every 2.72 years

eclipses
Eclipses
  • When the moon’s shadow hits Earth or the Earth’s shadow hit the moon

Half the Earth can view eclipse at

the same time

Only the people in the umbra can view

the eclipse

partial eclipse of the moon
Partial Eclipse of the Moon
  • http://www.moongiant.com/Lunar_Eclipse_Calendar.php
  • http://www.timeanddate.com/eclipse/lunar-eclipse-november-2012.html
solar eclipse
Solar Eclipse
  • http://www.timeanddate.com/eclipse/total-solar-eclipse-november-2012.html
  • http://eclipse.gsfc.nasa.gov/SEanimate/SEanimate2001/SE2012Nov13T.GIF
what causes tides
What causes tides?
  • Tides are caused by gravity between the Earth, moon, and sun
what causes tides1
What causes tides?
  • The moon’s gravity pulls on Earth’s surface closest to the moon causing water to create a bulge
  • Water is stolen from the sides to create the bulge
  • The side of Earth furthest from the moon has the least effect of moon’s gravity and has a bulge that is the “left behind” water
different kinds of tides
Different kinds of tides
  • The sun’s gravity can add to the moon’s pull or even it out depending on the positions of the sun, moon and Earth
different kinds of tides1
Different kinds of tides
  • Spring Tides

- highest high tides, lowest low tides

- sun, moon, & Earth are in line

  • Neap Tides

- lowest high tides, highest low tides

- sun, moon, & Earth are at right angles