An axis is an _______ line that runs from the North _______ to the South pole.
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Question 4
4.
The Earth is slightly tilted and spins on it's axis at about
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Question 5
5.
Uranus spins on its axis at about 98o, what does this mean?
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Question 9
9.
When the Egyptians built the pyramids the North star was not our current polaris but it used to be _______.
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Question 10
10.
Why did our North Star, the star our Earth's axis points to, change?
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Question 11
11.
How did Hipparchus find that our planets axis is changing?
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Question 12
12.
When you are riding in your car and the car _______ you feel an _______.
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Question 13
13.
There is an acceleration as the world _______.
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Question 14
14.
Acceleration works against the force of gravity
Other Answer Choices:
weigh more
weigh less
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Question 16
16.
The Earth is 26 miles..
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Question 17
17.
Acceleration works against gravity greater at the equator than the poles... what does it do to the Earth..
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Question 19
19.
The gravitational force of the sun on the Earth is _______. One side of the Earth gets tugged just a little bit _______. This causes the Earth's axis to _______.
Word bank:
less
more
spin
circle
unbalanced
balanced
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Question 20
20.
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Question 21
21.
The Earth's axis spins because of the sun and completes one revolution every
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Question 22
22.
One way to measure the length of a year is by looking at the seasons, this is called the __________ way. Another way to measure the length of the year is by measuring the __________ of stars, this is called the __________ way.
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Question 23
23.
The tropical year depends on the Earth's _______.
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Question 24
24.
The winter __________ is the __________ day of the year and it is when the __________ is titled away from the sun.
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Question 25
25.
How long is a tropical year?
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Question 26
26.
What is the difference?
Why is a sidereal year different than a tropical year?
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Question 28
28.
Other Answer Choices:
365.25636
365.24219
365
355-378
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Question 30
30.
The Gregorian calender was not adopted in Russia until
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Question 32
32.
What would be the consequence of sticking with a sidereal calendar based on star positions rather than the tropical calendar which was based on the seasons?
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Question 33
33.
What are the problems with sticking with a tropical method of dating the length of a year?