Type:

Other

Description:

In this online interactive, learners measure time using the growth rings of trees. This resource explains the meaning of growth and rest bands, the causes of variations in "tree calendars," and how dendrochronology is used by archaeologists to understand how wooden tools and structures were made long ago. Learners use a simulated increment borer to drill a hole in a tree, examine the rings, and create a tree calendar to date a piece of wood.

Subjects:

  • Mathematics > General
  • 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,Data Analysis,NSDL,Archeology,Data Representation,Biological science,Natural history,rest band,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-056,Problem Solving,Mathematics,Social Sciences,Early Elementary,Data Collection,Upper Elementary,artifacts,Number and Operations,Anthropology,Earth's History,Gathering Data,Life Science,General science,dating,Plants,growth band,Middle School,Formulating Explanations,History of Life,oai:nsdl.org:2200/20110926121108480T,Science as a Career,Patterns,Elementary School,increment borer,archaeologists,Representation,History/Policy/Law,Education,tree calendar,tree,General,Measurement,Conducting Investigations,tree rings,Geoscience

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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