Gears

Answer the following questions from How Gears Work .
Name 3 things that contain gears.
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Look at the red and green gears. Read the paragraph beside it and fill in the blanks.
The two gears rotate in ________________ directions. The smaller gear
of the ______________ between the gears or the __________________.
Look at the two spinning gears. Every time the larger gear goes around
______________ the smaller gear goes around _____________.
 
Go to  InventorsToolbox: The Elements of Machines to write a description and draw a picture of the following:
 
 

Bevel Gear
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Worm Gear
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Rack and Pinion Gear
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Go back to  How Gears Work to write a description and draw a picture of:
 

Planetary Gear
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