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Reading Comprehension Worksheets
Earthquakes
Measuring Earthquakes

Earthquakes
Earthquakes


Measuring Earthquakes
Print Measuring Earthquakes Reading Comprehension with Sixth Grade Work

Print Measuring Earthquakes Reading Comprehension

Reading Level
     edHelper's suggested reading level:   high interest, readability grades 6 to 7
     Flesch-Kincaid grade level:   6.04

Vocabulary
     challenging words:    seismic, dynamite, seismograph, tectonic, formula, magnitude, classify, mathematical, generate, seismogram, earthquake, based, measurement, movement, scientist, scientific
     content words:    Charles Richter


Measuring Earthquakes
By Patti Hutchison
  

1     The Earth's crust is made up of many sections, called tectonic plates. These plates are always moving. Because of friction, the edges of the two moving plates may become stuck as they move against each other.
 
2     The pressure builds up, and rocks along the boundary of the two plates become deformed from the stress. Eventually the stress causes the rocks to break, or fault. The two plates move suddenly along the fault line. The ground shakes violently. It's an earthquake! The pressure is released as energy that moves in waves. These waves help us to measure an earthquake.
 
3     There are several ways to measure the size of an earthquake. The most scientific measurement is the Richter scale. This scale was developed by Charles Richter in the 1930s. Although it is used to measure the magnitude of earthquakes, it is not an instrument. It is a mathematical formula.

Paragraphs 4 to 8:
For the complete story with questions: click here for printable



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Earthquakes
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Science
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    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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