Sunday, May 15, 2011

Simple Machines - The Wedge

A WEDGE is a simple machine that is 2 inclined planes joined together to form a sharp edge.


A wedge is used to split or cut things apart.












Examples: saw, nail, ax, knife, fork, spoon, even teeth can act like a wedge


Activities

  • Read Books about Wedges






  • Have students brainstorm and list objects that are a wedge. (saw, fork, nail, chisel, doorstop)
  • Have students sketch/draw and label pictures of objects that are wedges.
  • Have students look around the school/home for other examples of wedges.
  • Have students look in magazines, catalogs, or online for pictures of objects that are wedges.

Home Depot Catalog

Sears Catalog

  • View a video about wedges 
http://www.harcourtschool.com/activity/science_up_close/617/deploy/interface.html

  • Visit websites about wedges
http://weirdrichard.com/wedge.htm

  • Have students create a poster or slide show about wedges.


More Wedge Pictures


The Bow of a Boat


    Have fun!

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