lesson 2
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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How does earth move? | earth moves in space in two major ways: rotation and revolution
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Axis | imaginary line that passes through earth's center and the north and south poles
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Rotation | the spinning of earth on its axis / 1 rotation= 24h
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Orbit | a slightly elongated circle, or ellipse
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Revloution | movement of one object around another 1 revolution = 1year
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Calendar | system of organizing time that defines the beginning, length, and divisions of a year
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What causes seasons? | earth has seasons because its axis is tilted as it revolves around the sun
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What would happen if earth's axis was straight? | there would be no seasons because the temperatures would stay the same all year round
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Solstice | the days where the sun appears farthest north of the equator and farthest south of the equator n= summer June 21 s= winter December 21
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Equinox | half way between solstices march and September
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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:
Ella!!
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