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Worksheets and No Prep Teaching Resources
Reading Comprehension Worksheets
Volcanoes
Volcanic Material

Volcanoes
Volcanoes


Volcanic Material
Print Volcanic Material Reading Comprehension with Sixth Grade Work

Print Volcanic Material Reading Comprehension


Reading Level
     edHelper's suggested reading level:   high interest, readability grades 6 to 8
     Flesch-Kincaid grade level:   5.74

Vocabulary
     challenging words:    pyroclastic, tephra, viscous, billowy, magnesium, soupy, silica, debris, long-term, violent, explosive, molten, volcanic, explosion, boulders, material


Volcanic Material
By Patti Hutchison
  

1     A volcano erupts. Debris is thrown high into the air. It forms a billowy cloud that can travel for miles. What is all this material that spews from the vent of a volcano?
 
2     There are several types of material that spill from a volcano. Solid particles are called tephra. This material is made of rock fragments. It can come from several sources.
 
3     Tephra can be pieces of hardened lava. It can be mineral grains or pieces of the cone. These particles are classified by size.
 
4     The smallest pieces of tephra are called volcanic dust. The particles have a diameter less than .25 millimeters. It is a very fine material, almost like powder.
 
5     Another type of tephra is called ash. Volcanic ash particles have a diameter between .25 and 5 millimeters. Most are about the size of grains of rice. Ash may fall to the surface and form small rocks.

Paragraphs 6 to 14:
For the complete story with questions: click here for printable



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