study for quiz
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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| Foucault pendulum | simple device conceived as an experiment to demonstrate the rotation of the earth
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| geocentric model | earth-centered model
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| heliocentric model | sun-centered model
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| retrograde motion | motion in the direction opposite to the movement of something else
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| apparent solar day | interval of time during which the sun passes from its highest point on one day to its highest point on the next
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| mean solar day | interval of time between successive transits of a given meridian by the mean sun
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| autumnal equinox | beginning of fall in Northern Hemisphere; daylight lasts for 12 hours
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| winter solstice | beginning of winter in Northern Hemisphere; shortest daylight period of the year
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| vernal equinox | beginning of spring in Northern Hemisphere
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| summer solstice | beginning of summer in Northern Hemisphere; longest daylight period of of the year
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| Coriolis effect | deflection of moving objects when they are viewed in a rotating reference frame
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| 180 degrees | total number of degrees that the earth rotates on its axis during a 12-hour period
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| Sirius is observed in the evening sky during January. After 3 hours, Sirius will appear to have moved | 45 degrees
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| In New York State between February and May, the number of daylight hours | increases
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| From September to November the sun's altitude at noon in the Northern Hemisphere | decreases
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| In its orbit around the sun, the earth revolves approximately | 1 degree per day
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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.
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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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