Astronomy,Ch.1
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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| Astronomy | The study of the universe.
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| Month | Is roughly the amount of time required for the moon to orbit once around the Earth.
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| Day | Is the time required for the Earth to rotate once on its axis.
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| Telescope | An instrument that gathers electromagnetic radiation from objects in space and concentrates it for better observation.
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| Refracting telescope | Telescopes that use lenses to gather and focus light from distant objects.
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| Reflecting telescope | A telescope that uses a curve mirror to gather and focus light from a distant object.
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| Hubble Space Telescope | Is a space telescope that Produces very clear images of objects in deep space.
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| Constellation | A region of the sky that contains a recognizable star pattern and that is used to describe the location of objects in space.
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| Hemisspere | Half of the Globe Norht/South East/West.
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| Light-year | The distance that light travels in one year; about 9.46 trillion kilometers.
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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:
bnorman
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