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Positions of the Earth, Moon,
GPS S6E2 Unit II Lessons 7-9
13
Science
6th Grade
02/28/2007

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Term
Waxing
Definition
increasing
Term
waning
Definition
decreasing
Term
phases
Definition
the changing shapes of the moon(new moon,waxing cresant,first quarter,waxing gibbous,full moon,waning gibbous,last quarter,& waning cresent
Term
lunar eclipse
Definition
an eclipise on the moon
Term
eclipse
Definition
the casting of a shadow by one object in space on another object in space
Term
solar eclipse
Definition
an eclipse of the sun
Term
total eclipse
Definition
an eclipse that completly blocks our view of an object in space such as the moon or the sun
Term
partial eclipse
Definition
an eclipse that partly blocks our view of an object in space such as the moon or the sun
Term
summer solstice
Definition
a point in earth's orbit when the northern hemisphere is tilted 23.5 degrees toward the sun; the first day of summer in the northern hemisphere
Term
season
Definition
Spring, Summer, Fall, or Winter
Term
winter solstice
Definition
The point in Earth's orbit when Earth's North Pole is tilted a full 23.5 degrees away from the sun; the first day of winter in the northern hemisphere.
Term
vernal equinox
Definition
The first day of spring in the northern hemisphere. At this point in space, Earth is not tilted toward or away from the sun. Sunlight strikes places the same distance north and south of the equator.
Term
autumnal equinox
Definition
The first day of autumn in the northern hemisphere. At this point in space, Earth is not tilted toward or away from the sun. Sunlight strikes places the same distance north and south of the equator.
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