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Worksheets and No Prep Teaching Resources
Reading Comprehension Worksheets
How Things Work
It Glows in the Dark!

How Things Work
How Things Work


It Glows in the Dark!
Print It Glows in the Dark! Reading Comprehension with Fourth Grade Work

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Print It Glows in the Dark! Reading Comprehension


A Short Reader

Reading Level
     edHelper's suggested reading level:   grades 4 to 5
     Flesch-Kincaid grade level:   4.57

Vocabulary
     challenging words:    aluminate, phosphor, strontium, sulfide, mobile, outlet, pajama, zinc, lasts, ceiling, longer, possible, into, lights, contain, instead


It Glows in the Dark!
By Jody Williams
  

1     Noah climbed into his bed. He turned out the light. The glow-in-the-dark stars on his ceiling began to glow. The dinosaur on his pajama shirt lit up in the dark. The planets on his solar system mobile glowed as it floated in the air. The glow-in-the-dark necklace that he got at the baseball game that night glowed as it sat on his desk. There was so much light in his dark room. How was that possible?
 
2     When the lights go out, glow-in-the-dark things show their true colors. They have to be charged to work. They cannot be plugged into an outlet. They do not have batteries that make them work. Instead they contain phosphors. A phosphor is something that makes light that can be seen. It has to be energized. Once it is energized it glows or gives off light.
 
3     So what energizes glow-in-the-dark things? The answer is phosphors that are energized by normal light. There are two phosphors that are used in glow-in-the-dark .....
For the complete story with questions: click here for printable



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How Things Work
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Science
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    Careers in Science  
 
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    Clouds  
 
    Dinosaurs  
 
    Earth's Land  
 
    Earth  
 
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    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  
 
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    Sun  
 
    Tsunami  
 
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