The Earth in Space
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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| solar system | planets, along with their moons, asteroids and other bodies, and the sun
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| orbit | specific path each planet follows around the sun
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| revolution | one complete circuit around the sun
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| leap year | year with 366 days, which happens every fourth year to make calenders match Earth's movement around the sun
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| rotate | to spin on an axis
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| axis | imaginary line that passes through the center of Earth from the North Pole to the South Pole
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| atmosphere | layer of oxygen and other gases that surrounds Earth
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| summer solstice | day that has the most daylight hours and the fewest hours of darkness
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| winter solstice | day of the year that has the fewest hours of sunlight and the most hours of darkness
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| equinox | either of the days in spring and fall in which the noon sun is overhead at the Equator and day and night are of equal length in both the Northern and Southern Hemispheres
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| Tropics | area between the Tropic of Cancer and the Tropic of Capricorn, which has generally warm temperatures because it receives the direct rays of the sun for much of the year
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| significant | important
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| reverse | opposite
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| identical | exactly the same
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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.
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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:
akennon
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