Type:

Other

Description:

This astrobiology news article analyzes the role salt played in the evolution of life on Earth. It explains why scientists have long assumed that life originated in the sea and describes the history of water on Earth in relation to the origin of life. Leading scientists contribute information about the significance of anaerobes, halophiles, methanogens, and the depositional environments of sedimentary rocks that hold Precambrian microfossils. They also suggest that we should extend our search to Mars.

Subjects:

  • Education > General

Education Levels:

  • Grade 1
  • Grade 2
  • Grade 3
  • Grade 4
  • Grade 5
  • Grade 6
  • Grade 7
  • Grade 8
  • Grade 9
  • Grade 10
  • Grade 11
  • Grade 12

Keywords:

Informal Education,Historical perspectives,Middle School,NSDL,Science process skills,Grade 8,Science as inquiry,Scientific habits of mind,Evolution,NSDL_SetSpec_1007936,Social Sciences,Life science,oai:nsdl.org:2200/20120114185000587T,Vocational/Professional Development Education,Life Science,History and nature of science,History/Policy/Law,Education,Metabolism,Asking questions,Grade 7

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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