Type:

Other

Description:

This activity (on page 2 of the PDF) is a full inquiry investigation into how hairs from a crime scene are matched to suspects. Learners each take a single hair from their own head, then put it directly into the beam of a laser pointer. This projects the unique pattern of each hair onto a piece of paper to be traced, measured, identified and compared with the others. Learners can conclude this activity by setting up a mystery exercise with prepared samples of hair already in frames. Relates to linked video, DragonflyTV: Forensics.

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:

NSDL,Patterns of Heredity,Biological science,hair,About Inquiry,forensics,Reflection and Refraction,Problem Solving,Mathematics,Social Sciences,Communicating Results,Chemistry,Upper Elementary,Medical Technology,pattern,crime,Anthropology,Muscles and Skin,suspect,Gathering Data,Life Science,General science,Informal Education,Middle School,Formulating Explanations,Patterns,Elementary School,crime scene,Health/Medicine,Conducting Investigations,History/Policy/Law,evidence,Physics,Education,laser,light,oai:nsdl.org:2200/20110926114817871T,General,Engineering,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-056,Science and society,Lasers,Measurement,Physical science,Light and Optics,Technology,Asking Questions,Cell Structure and Function

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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