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Reading Comprehension Worksheets
The 2000's
Space and Stars
Galileo Tours Io

The 2000's
The 2000's

Galileo Tours Io
Reading Level
     edHelper's suggested reading level:   grades 5 to 8
     Flesch-Kincaid grade level:   7.71

     challenging words:    eye-oh, magnetosphere, torus, spacecraft, radiation, nasa, withstand, probe, launched, priceless, atmosphere, sculpt, highly, volcanic, directly, material
     content words:    When Galileo

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Galileo Tours Io
By Sharon Fabian

1     Io? What is Io? Io (eye-oh) is one of Jupiter's four largest moons. Jupiter has lots of moons, but four of them - Io, Europa, Ganymede, and Callisto - are very large, and scientists were especially interested in learning more about them.
2     NASA scientists just happened to have a spacecraft already in the area. The Galileo spacecraft had been launched in 1989 to learn as much as it could about Jupiter. Its main goals were to probe Jupiter's atmosphere and to study Jupiter's magnetosphere and its satellites. It was designed to be tough; it would have to be able to stand up to extreme levels of radiation.
3     Even before getting anywhere near Jupiter, Galileo began sending back useful information. It sent back data about Venus, Earth's moon, and asteroids. When it reached Jupiter in 1995, Galileo sent back great pictures and interesting data.
4     The spacecraft was doing so well that its mission was extended. Galileo had already survived two to three times the amount of radiation that it was designed to withstand. It was given a second, and then a third, mission.
5     For its third task, Galileo was sent to take a closer look at one of Jupiter's moons. The moon chosen was Io. Io was very interesting to scientists because it is highly volcanic. Its surface seems to be always changing.

Paragraphs 6 to 11:
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The 2000's
             The 2000's

Space and Stars
             Space and Stars


    Careers in Science  
    Caring for Earth  
    Earth's Land  
    Food Pyramid  
    Food Webs and Food Chain  
    Forces and Motion  
    Health and Nutrition  
    How Things Work  
    Life Science  
    Natural Disasters  
    Plant and Animal Cells  
    Rocks and Minerals  
    Science Process Skills  
    Scientific Notation  
    Simple Machines  
    Solar System  
    Space and Stars  
    Water Cycle  

United States
             United States

    American Government  
    Black History and Blacks in U.S. History  
    Children in History  
    Government Careers  
    Hispanic Heritage  
    How Can I Help?  
    National Parks and Monuments  
    Native Americans  
    Presidents of the United States  
    Women's History  

United States History
    A Nation Divided
    A New Nation
    After the Civil War
    American Revolution  
    Cold War
    Colonial America (1492-1776)  
    Lewis and Clark
    Pearl Harbor  
    Spanish American War (1898)  
    The 1890's  
    The 1900's  
    The 1910's  
    The 1920's  
    The 1930's  
    The 1940's  
    The 1950's  
    The 1960's  
    The 1970's  
    The 1980's  
    The 1990's  
    The 2000's  
    The Civil War
    The Great Depression
    The United States Grows
    The War of 1812  
    Wild, Wild West  
    World War I
    World War II  

50 States

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