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Earth _ Moon Study Guide


									Chapter 19
is spinning of the earth on
 its axis
the Earth’s path around
 the sun
the movement of one
object around another
imaginary line that passes
 through the center of the
 earth and the North and
 South poles
equal night, when the sun
 is directly over the Equator
When the sun reaches its
 greatest distance North or
 South of the equator
A force that attracts all
 objects to each other
an object at rest will stay at
 rest, and an object in
 motion will stay in motion
 until another force acts on it
The tendency of an object
 to resist a change in
point of the moon’s orbit
 CLOSEST to the earth
point of the moon’s orbit
 FARTHEST from the earth
A partial or total blocking
 of an object in space
the rise and fall of the
Type of eclipse that occurs
 when the earth is between
 the sun and the moon and
 occurs with a full moon
Type of eclipse that occurs
 when the Moon is directly
 between the Earth & the
 sun where it blocks
the shapes of the moon as
 seen from the earth

Different Length of day
 light hours
Summer in Northern and
Winter in Southern
         Means     Left/   Comes    Comes
                   Right   Before   After

Waxing   Growing   RIGHT   Full Moon NEW

Waning   Shrinking Left    New      FULL
                           Moon     MOON
          Meaning             Looks Like

Crescent A small sliver of the Banana
          moon is showing
Gibbous   More than ½ but     Lemon
          less than full
Maria-dark areas


1/6 of earth’s gravity
Apogee-when moon is
 farthest from earth
Perigee-when moon is
 closest to earth
Type       SOLAR         Lunar

Earth’s    Sun Moon Earth Sun Earth Moon

Moon       NEW MOON      FULL MOON
What is    MOON BLOCKS Moon is in

happening SUNLIGHT       Earth’s shadow
Tides    Position    Occurs…       Water

Spring   Straight    New & Full    Very high
         Line        Moon          and low tide

NEAP     90 Degrees 1st & 3rd      Not very
                     Quarter Moon high tide
                         First day of… Length of Day…
Winter     December 21   Winter       Shortest
Solstice                              Day
Summer     June 21       Summer       Longest
Solstice                              Day
Autumnal   September 22 Fall          Equal day &
Equinox    (around 21)                night
Vernal     March 21      Spring       Equal day &
              Rotation      REVOLUTION

              Spinning of   One Object Moving
              Earth on Axis around another
Causes Days/Nights SEASONS & YEAR
The moon goes around the
The earth revolves around
 the SUN
It takes the same amount
 of time to rotate as it does
 to revolve
New Moon    Waxing Crescent   First Quarter    Waxing Gibbous

      31. Moon Phases

Full Moon   Waning Gibbous     Third Quarter    Waning Crescent
Extreme Temperature
Many Craters
                      Percent   Fraction
   a. 1st quarter?   25%       ¼
   b. Full Moon?     50%       ½
   C. 3rd Quarter?   25%       ¼
   D. New Moon?      0%        0/4 = 0
                      Percent   Fraction
   a. 1st quarter?   75%       ¾
   b. Full Moon?     50%       ½
   C. 3rd Quarter?   75%       ¾
   D. New Moon?      100%      4/4 = 1
13% x 250 = 32.5 pounds

.13 x 250 = 32.5 pounds
5 – 1.7 = 3.3 meters

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