Chapter 1
Help!
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Revolution | The movement of an object around another object or point.
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Star | Huge globe of hot gases that shines by its own light.
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Axis | Imaginary line on which an object rotates.
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Comet | Small space object that orbits a star and can have a tail.
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Meteor | Piece of rock or metal from space that enters Earth's atmosphere.
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Refracting telescope | Instrument that uses two lenses for viewing distant objects.
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Reflecting Telescope | Instrument for viewing distant objects that uses a curved mirror.
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Meteorite | Material from space that lands on Earth.
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Constellation | Pattern of stars in the night sky.
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Planet | Large body in space that orbits a star and does not produce light of its own.
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Rotation | Spinning motion of an object on its axis.
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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:
5sabina
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