CompoundÊMachines
Simple machines
Simple machines can
can work
work together
together to
to help
accomplish morecomplicated
solve more
tasks. In the example below, a boy uses a fishing pole to catch a fish.
He reels in the line with a wheel and wheelÊandÊaxle
axle and pulls ,itpulls it upa as
up with
a lever all
lever, and thethe
with linehelp
hangs
of aover a pulley
pulley .
supporting the line.
pulley
wheel and axle
fulcrum
In this challenge, you’ll find ways to use the six simple machines
together, creating one compound machine that makes work easier.
HINT: the six simple machines are: pulleys, levers, wedges, screws,
inclined planes and wheel & axles.
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On a separate sheet of paper redraw each scene using at least 3
simple machines to help the boy complete each task.
Help the boy put the light bulb in the socket on
the ceiling.
Help the boy put a roof on his
tree house.
Help the boy put rock A on top of rock B to make a wall.
Copyright 2012-2013 Education.com www.education.com/worksheets created by: