Chapter 13 - Exploring Space
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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rocket | is a device that expels in one direction to move in the oppsite direction
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thrust | the reaction force that propels a rocket forward
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velocity | is speed in a given direction
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orbital velocity | is the velocity a rocket must achieve to establish an orbit around Earth.
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escape velocity | is the velocity a rocket must reach to fly beyond a plant's gravtational pull.
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satellite | is an object that revolves around another object in space.
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space station | is a large artificial satellite on which people can live and work for long periods.
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space shuttle | is a spacecraft that can carry a crew into orbit,return to Earth, and then be reused for the same purpose.
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space probe | is a spacecraft that carries scientific instruments that can collect data, but has no human crew.
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rover | is a probe that is a small robot.
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vacuum | is a place that is empty of all matter.
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microgravity | is a feeling that you get when you are in orbit called weightlessness.
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space spinoff | is an item that has uses on Earth but was originally developed for the use in space.
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remote sensing | is a collection of information about earth and other objects in space without being in direct contact.
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geostationary orbit | is a satellite that orbits Earth above the equator at the same rate as Earth rotates and thus stays over the same place on earth al the time.
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How and where were rockets developed? | rocket tech. originated in china hundreds of years ago and gradually spread to other parts of the world
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How does a rocket work? | a rocket moves forward when gases shooting out the back of the rocket push it in the opposite direction
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Newton's ____________ law of motion demonstrates the motion of a rocket | 3rd; every force has an equal and opposite force or reaction
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three types of rocket fuel | solid, liquid, ions
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what is the main advantage of a multistage rocket? | the total weight of the rocket is greatly reduced as it rises
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What was the space race? | it began in 1957 when the soviets launched Sputnik I into orbit
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What does NASA stand for? | National Aeronautics and Space Administration
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1st human in space | Yuri Gagarin
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Who was Wernher von Braun? | he was a german scientist who designed the V2 rocket used during WWII; after the war he came to america and helped our space program accopmlish lift off
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1st American in space | Alan Shepard
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1st american to orbit | John Glenn
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What was the Apollo Program? | the american effort to land astronauts on the moon
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date of first moon landing and astronauts aboard | July 20, 1969; Neil Armstrong and Buzz Aldrin
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Where did the Eagle land on the moon? | Sea of Tranquility
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What did scientists learn from analyzing moon rocks? | some rocks are the same minerals as on Earth; able to calculate ages of the rocks so when different parts of the moon were formed
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roles of space shuttles | taking satellites into orbit, repairing satellites, and carrying astronauts and equiptment to and from space stations
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roles of space stations | probides a place where long term observations and experiments can be carried out in space
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common features in probes | power system, communication system, and scientific instruments to collect data and perform experiments
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conditions in space different from on earth | near vacuum, microgravity, and extreme temperatures
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examples of space spinoffs | velcro, bar codes, joysticks, cordless power tools, light weight metals...
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uses of satellites | communications and collecting weather data
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When was Sputnik I launched into orbit? | October 4, 1957
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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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