Type:

Other

Description:

Ships travelling between Lake Ontario and Lake Erie use the Welland Canal. Beginning with a conversation between characters Mathise, Geo, and Trig, they explain how a lock in the canal operates by gravity alone, without pumps. The characters use mathematics to solve problems such as how long the locks take to fill and how to express the volume and flow of water in more common terms (bathtubs of water per second). They also ask why the lower lock door is much larger and heavier than the upper one, a question which users can answer by watching the animation of the lock's operation.

Subjects:

  • Mathematics > General

Education Levels:

  • Grade 1
  • Grade 3
  • Grade 6
  • Grade 8
  • Grade 9
  • Grade 11
  • Grade 12

Keywords:

Middle School,NSDL,Technology,NSDL_SetSpec_380599,Elementary School,Space sciences,Mathematics,Astronomy,oai:nsdl.org:2200/20061003161155387T,Space Science

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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