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The flashcards below were created by user
npage
on FreezingBlue Flashcards.
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More than half of the Earth's Northern hemisphere is in sunlight
Summer Solstice
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Less than half of the Northern Hemisphere is in sunlight
Winter Solstice
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Patterns of temperature changes and other weather trends over the course of a year.
Seasons
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Earth rotates around an imaginary axis.... spins and makes day and night
Rotation
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The motion of one object around another.... makes 1 year
Revolution
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The moon is illuminated on the right after a new moon.
Waxing
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The moon is illuminated on the left after a full moon.
Waning
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The sun seems to darken because the moon is covering the sun
Sun..... Moon...... Earth
Solar Eclipse
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The moon darkens because it passes through Earth's shadow.
Sun.... Earth......Moon
Lunar Eclipse
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The dark central region of a shadow such as the cone of a complete shadow cast by an object.
Umbra
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The region of lighter shadow that may surround an Ubmra
Penumbra
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Sunlight shines equally on the Northern and Southern Hemispheres....September
Fall equinox
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Half on the sunlight is in each hemisphere. March
Spring Equinox
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When water levels go up and down because of the moons gravity changes the shape of the oceans
tides
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The highest level of the water.
High Tide
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The lowest level of the water.
Low Tide
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The beginning cycle of the moon phases... From Earth the sun is unlit.
New Moon
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The sunlight is a crescent shape .... lit on the right side of the moon
Waxing Crescent
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When half of the near side of the moon is in sunlight.... lit on right side of moon
First Quarter
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More of the moon is illuminated... lit on right side
Waxing Gibbous
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Halfway through its cycle the whole moon is lit....
Full Moon
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Less light than full moon.... lit on the left.
Waning Gibbous
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When the near side is half in sunlight... lit on the left
Third Quarter
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less and less is in sunlight and thinner.... lit on the left.
Waning crescent
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What causes day and night?
Earth's rotation. it spins on an axis... 24 hours rotation
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How long does it take the Earth to orbit the sun?
a year or 365 days
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How long does it take the moon to orbit the Earth?
one month
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Why is it hotter in the summer than the winter?
More than half of the northern hemisphere is in the sunlight and the daylight is longer.
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Why is it colder in the winter than in the summer?
Less than half of northern hemisphere is in the sunlight and shorter days.
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What causes the seasons?
The temperature changes occur because the amount of sunlight at each location during the year, due to the tilt of earth's axis.
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what are the date for: the s s in the northern hemisphere
june
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Date for s s in the southern hemisphere,
december
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Date for a e in the northern hemisphere,
September
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Date for a e in the southern hemisphere,
march
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Date for w s in the northern hemisphere,
December
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Date for w s in the southern hemisphere,
June
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Date for s e in the northern hemisphere,
march
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Date for s e in the southern hemisphere?
September
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Which day has the most daylight(the longest day) in either hemisphere?
summer solstice
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Which day has the least daylight(the shortest day) in either hemisphere?
winter solstice
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Which days have equal amount of daylight and darkness?
September and march equinox
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What is a waxing moon?
the moon is lit on the right first half of the moon cycle
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What is a waning moon?
After the full moon, and the moon has less light
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What are the 8 phases of the moon?
new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent, and new moon
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Which body is in the shade during lunar eclipse?
the moon
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Which body is in the shade during a solar eclipse?
the sun because the moon's shadow falls onto part of the moon
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Why is it harder to see a solar eclipse than a solar eclipse?
the moon casts a smaller shadow
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What are the tides caused by?
the moons pull on the oceans
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How many tides does one place have one day?
4.. two high and two low
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