What is an Axis?

Last updated almost 3 years ago
33 questions
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What is an "axis" according to the video?

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A wheel on a car spins around an...

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An axis is an _______ line that runs from the North _______ to the South pole.
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The Earth is slightly tilted and spins on it's axis at about

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Uranus spins on its axis at about 98o, what does this mean?

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When the Egyptians built the pyramids the North star was not our current polaris but it used to be _______.
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Why did our North Star, the star our Earth's axis points to, change?

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How did Hipparchus find that our planets axis is changing?

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When you are riding in your car and the car _______ you feel an _______.


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There is an acceleration as the world _______.
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Acceleration works against the force of gravity
Other Answer Choices:
weigh more
weigh less
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The Earth is 26 miles..

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Acceleration works against gravity greater at the equator than the poles... what does it do to the Earth..

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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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The Earth's axis spins because of the sun and completes one revolution every

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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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The tropical year depends on the Earth's _______.
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The winter __________ is the __________ day of the year and it is when the __________ is titled away from the sun.
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How long is a tropical year?

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What is the difference?
Why is a sidereal year different than a tropical year?

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Other Answer Choices:
365.25636
365.24219
365
355-378
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The Gregorian calender was not adopted in Russia until

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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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What are the problems with sticking with a tropical method of dating the length of a year?