The solar system: The Sun
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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Aurora Australis | Southern lights; caused by solar winds
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Aurora Borealis | Northern lights; caused by solar wind
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Convection Zone | (Sun's interior)top or outermost layer. Gases rise and cool; then sink, forming loops of gas that move energy towards sun's surface. Generates sun's magnetic field.
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Corona | Outer layer of sun's atmosphere; visible during total solar eclipse; looks like a halo around the sun; extends into space for millions of km; gradually thins into think streams of electrically charged particles called solar wind.
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Solar Flares | Sudden bursts of energy in the form of fire that erupts on the sun's surface; happens when sunspot loops connect and release huge amounts of magnetic energy
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Solar Winds | Solar flares increases this; responsible for increase in number of magnetic particles reaching Earth's atmosphere; create powerful electric currents that result in greenish, red or purple glow in Earth's sky; can also cause magnetic storms
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Sunspots | Areas of gas on the sun's surface; cooler than the gas around it; appear darker; helped prove sun rotates on its axis; 11 year cycle; most disappear in two weeks; form where magnetic field is strongest
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Differential rotation | Different parts of the sun have different periods of rotation, it also influences magnetic activity on the sun.
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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:
kelleyumlauf
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