8th Science U5
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The spin of a body on its axis | rotation
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| The time required for Earth to orbit once around the sun | year
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| The point at which the sun is as far north or as far south of the equator as possible | solstice
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| The moment when the sun appears to cross the celestial equator | equinox
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| The time required for Earth to rotate once on its axis | day
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| A division of the year that is characterized by recurring weather conditions and determined by both Earth’s position in its orbit around the sun. | season
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| The motion of a body that travels around another body in space; one complete trip along an orbit. | revolution
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| Imaginary line passing through the center of a planet that the planet spins around | axis
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| System of imaginary half-circles on Earth’s surface that end at the poles, used to describe position east and west, with 0° at the prime meridian | longitude lines
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| System of imaginary circles on earth’s surface that are used to describe position north and south of the equator | latitude lines
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| The angle between an object's rotational axis and its orbital axis | tilt
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| The point on a planet's elliptical orbit at which it is furthest from the Sun. | aphelion
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| The point in a planet's orbit when it is nearest to the Sun. | perihelion
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| The point in the sky or celestial sphere directly above an observer. | zenith
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| The point on the celestial sphere directly below an observer. | nadir
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
ashaver
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