Type:

Other

Description:

In this activity, students calculate temperatures during a time in the geologic record when rapid warming occurred using a well known method called 'leaf-margin analysis.' Students determine the percentage of the species that have leaves with smooth edges, as opposed to toothed, or jagged, edges. Facsimiles of fossil leaves from two collection sites are examined, categorized, and the data is plugged into an equation to provide an estimate of paleotemperature for two sites in the Bighorn Basin. It also introduces the student to a Smithsonian scientist who worked on the excavation sites and did the analysis.

Subjects:

  • Education > General
  • Mathematics > 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:

Grade 6,Grade 7,Grade 8,Grade 9,Space Science,Mathematics,NSDL,Science process skills,NSDL_SetSpec_1007936,Weather,oai:nsdl.org:2200/20120114184317413T,Analyzing data,Informal Education,Middle School,Interpreting data,Earth and space science,Science as inquiry,General,Temperature,High School,Vocational/Professional Development Education,Education,Geoscience

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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