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Worksheets and No Prep Teaching Resources
Reading Comprehension Worksheets
Solar System
Space and Stars
The Science of the Sun

Solar System
Solar System


The Science of the Sun
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Reading Level
     edHelper's suggested reading level:   grades 4 to 6
     Flesch-Kincaid grade level:   5.51

Vocabulary
     challenging words:    burning, chromosphere, convective, corona, eclipse, fusion, nucleus, photosphere, radiation, radiative, credit, helium, fuses, nuclear, extremely, zone
     content words:    On Earth


The Science of the Sun
By Cindy Grigg
  

1     Photo credit: NASA
 
2     Our sun is a star. Like all stars, it is a mass of very hot gases. On Earth, burning fossil fuels like gasoline or coal gives us energy for our cars and heating our homes. But the sun's energy doesn't come from burning fuels. The sun's energy comes from nuclear fusion. The nuclei (plural form of nucleus) of different atoms of gases in the sun fuse or join together. Most of the sun's fusion happens when atoms of hydrogen smash into each other. Under high pressure and at high temperatures, the atoms join or fuse together. This creates helium atoms. Every atom releases heat and light when it fuses with another atom.
 
3     How big is the sun? Its diameter, the distance across its center, is about 870,000 miles. That's more than one hundred times the diameter of Earth. The sun's volume is more than a million times the volume of Earth. Another way to say this is that the sun could hold one million Earths inside it.

Paragraphs 4 to 9:
For the complete story with questions: click here for printable



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Solar System
             Solar System


Space and Stars
             Space and Stars


More Lessons
             The Sun Activities, Worksheets, Printables, and Lesson Plans


Science
             Science


    Careers in Science  
 
    Caring for Earth  
 
    Clouds  
 
    Dinosaurs  
 
    Earth's Land  
 
    Earth  
 
    Earthquakes  
 
    Electricity  
 
    Energy  
 
    Erosion  
 
    Food Pyramid  
 
    Food Webs and Food Chain  
 
    Forces and Motion  
 
    Fossils  
 
    Health and Nutrition  
 
    How Things Work  
 
    Landforms  
 
    Life Science  
 
    Light  
 
    Magnets  
 
    Matter  
 
 
    Moon  
 
    Natural Disasters  
 
    Photosynthesis  
 
    Plant and Animal Cells  
 
    Plants  
 
    Rocks and Minerals  
 
    Science Process Skills  
 
    Scientific Notation  
 
    Seasons  
 
    Simple Machines  
 
    Soil  
 
    Solar System  
 
    Sound  
 
    Space and Stars  
 
    Sun  
 
    Tsunami  
 
    Volcanoes  
 
    Water Cycle  
 
    Water  
 
    Weather  
 



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