Key Vocabulary and Concepts
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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| thrust | the force that pushes a rocket forward.
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| velocity | speed in a given direction.
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| satellite | object that circles another object in space. They relay phone calls and TV broadcasts, and monitor weather.
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| space station | large artificial satellite on which people can live and work for long periods of time.
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| space shuttle | made up of twin booster rockets, a winged orbiter which carries the crew, and an external fuel tank. Most of its parts are reusable.
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| Who invented rockets? | The Chinese developed the first rockets around 1200 ad (during battles).
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| How does a rocket work? | a rocket moves foward when gases shooting out the back of the rocket push it in the opposite direction.
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| what are the three types of rocket fuel? | solid, liquid, and ions.
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| force | push or pull that can make an object move or turn around. The bigger the force, the more movement it can make.
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| Gravity | the force that makes things fall to the ground on Earth and holds the planets in their orbits (paths) around 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:
vnajjar
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