Earth Motions

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Earth Motions

Mildred
Created by
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Final Jeopardy
Celestial Spheres
Moon Stuff
Eclipses
Seasons
Tides
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This celestial sphere was drawn in New York
State. On what date was path D-G drawn?
December 21st
4
Where was this diagram drawn, on what date(s),
AND about what time of day?
On the equator in the early afternoon of an
equinox
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The observer looked at his shadow at 8AM on this
date. In what direction was he facing?
Southwest
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What was the latitude of the observer?
23 ½ degrees north The tropic of cancer?
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This diagram, showing the suns positions was
drawn in Cheesequake, NJ. In what direction is
shadow C pointing?
North
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What phase is the moon in when it is at position
C ?
FULL
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Which letter represents the waxing gibbous moon?
Letter D
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At which point in the moons orbit would its
apparent diameter (as seen from Earth) be
greatest?
Location A
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DAILY DOUBLE
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About how long does it take the moon to go from
position 2 to position 7 ?

18.4 days 29.58 3.68 x 5 18.4
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In the time it takes for the Earth to go around
the Sun once, how many times has the Moon rotated
on its axis?
13.37 times (365 27.3 13.37)
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In which position could a lunar eclipse occur?
Position C
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What is the name of the darker, inner part of a
shadow which causes an eclipse?
The umbra
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Fill in the blank spaces During a solar eclipse
the shadow of the _____ falls on the ______.
The shadow of the MOON falls on the EARTH.
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What name is given to the Suns atmosphere which
becomes visible during a total solar eclipse?
The corona
18
In this photo of a solar eclipse the moon appears
too small to completely cover the sun. Explain
why.
An annular eclipse occurs when the moon is at
its farthest point from the Earth. Because it is
far its apparent diameter is too small to cover
the sun.
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What is the season in the northern hemisphere
when the Earth is at position C
Winter
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What is the season in Albany NY as shown in the
diagram?
Summer
21
This celestial sphere diagram was made on the day
with the greatest duration of insolation. On what
date was it made?
December 21st
22
Which location is receiving the maximum duration
of insolation on the date indicated by the
diagram?
Location A
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Which location is receiving the greatest
intensity of insolation on the date shown in the
diagram?
Location C
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How many high tide are occurring on Earth at any
one time?
Two
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What kind of tides tide are illustrated by the
diagram?
Neap tides
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What kind of tides are illustrated by the diagram?
Spring Tides
27
Which has a a greater effect on the Earths
oceans (tides), the Sun or the Moon and explain
why.
The Moon has a greater effect. It is much closer
than the Sun so the effect of its gravity is
stronger.
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Exactly how much time goes by from a high tide to
the next low tide?
6 hours, 12 minutes and about 30 seconds. (6
hours 12 or 13 minutes is acceptable)
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FINAL JEOPARDY
Lunacy
?
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You are on a rocket traveling from the Earth to
the Moon at a speed of 8,042 km/hr. About how
many days will your trip require?
2 days 386,000 8,042 47.99 24 2