Objectives: Describe how machines
make work easier
Announcements: Extra credit for 
coming with parents & journal to 
conferences
Opener: How much work is done lifting
the box onto the closet shelf?
Work, Power & Simple Machines link
Homework: Look up mousetrap powered 
cars on the internet and collect materials.
Call for general supplies...
Tape, glue, cable ties, screws, washers, 
bolts,eye-hooks, paints, brushes, CDs, 
Records, other wheel materials, etc.
 
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