edHelper.com
Earth
 Formation of the Earth

Formation of the Earth
Reading Level
     edHelper's suggested reading level:   high interest, readability grades 6 to 8
     Flesch-Kincaid grade level:   6.59

Vocabulary
     challenging words:    silicon, subduction, oceanic, tectonic, tendency, magma, continental, billion, boiling, trapped, system, clump, granite, gravity, lighter, material

Print Formation of the Earth
     Print Formation of the Earth  (font options, pick words for additional puzzles, and more)

Quickly Print - PDF format
     Quickly Print: PDF (2 columns per page)
     Quickly Print: PDF (full page)

Quickly Print - HTML format
     Quickly Print: HTML

Proofreading Activity
     Print a proofreading activity

Feedback on Formation of the Earth
     Leave your feedback on Formation of the Earth  (use this link if you found an error in the story)

Formation of the Earth
By Patti Hutchison 		  
1     The earth and its solar system began 4.6 billion years ago. They were made from a large cloud of gas and dust. Gravity caused these particles to collide and begin to clump together. The earth began to form.
 
2     These collisions released a huge amount of heat energy. As the material built up on the surface of the forming planet, the heat was trapped. This raised the temperature of the underlying material. The weight of the overlying material compressed (squeezed together) the material on the interior. This caused more heating.
 
3     The layers of the earth were formed by a process called differentiation. The denser materials sank toward the center. The lighter materials gathered toward the surface.

Paragraphs 4 to 9:
For the complete story with questions: click here for printable
Copyright © 2009 edHelper