Chapter 7 Vocabulary
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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| astrobiology | the study of the origin, development, distribution, and future of life in the universe.
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| organic | refers to a class of chemical compound in living organisms that are based on carbon.
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| artificial satellite | any human made object placed in orbit around a body in space.
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| rocket | vehicle propelled by the exhaust made from burning fuel.
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| space probe | an un-crewed vehicle that travels to and obtains information about objects in space.
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| microgravity | where the force of gravity is so weak weightlessness occurs.
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| solar radiation | harmful radiation from the sun.
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| AU | Astronomical unit, mean distance of the earth from the sun: approximately 93 million miles.
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| ISS | International space station is an artificial satellite constructed, by astronauts from 15 different nations, that orbits the Earth where people live and work for up to 6 months at a time. It has been continuously occupied since the year 2000.
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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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