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Simple Machines by:
Christina NapolitanoYvette SarmientoEufemia Nunez
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What is a Simple Machine? A simple machine has
few or no moving parts.
Simple machines make work easier by changing the amount or the direction of the force used to do work.
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There are six types of simple machines.
wheel and axlepulley incline planewedgesscrew lever
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Wheel and Axle
a wheel that turns on a post to help move things quickly and easily
Gears are a form of wheels and axles
Examples: doorknob, steering wheel, and a screwdriver
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Pulley made of rope and string
wound around a reel to change the direction of a force.
A pulley needs a rope, chain or belt around the groove to make it do work
Examples: crane, fishing pole, clothes line, and a flagpole
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Inclined Plane An inclined plane is
a flat surface that is higher on one end
Inclined planes make the work of moving things easier
Examples: ramp, and stairs
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Wedge two inclined planes
together used to raise an object or split an object.
Wedges are used to split things.
Examples: knife, and an ax
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Screws an inclined plane
wrapped around a pole or shaft that is used to hold materials together or drill holes
The inclined plane allows the screw to move itself when rotated.
Examples: drill bit, and screws
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Lever made of a board or
bar set on top of a fulcrum.
it is used to lift weight
Examples: seesaw, crowbar, baseball bat, and a rake
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Two simple machines, make a compound Machine two or more simple
machines working together
Examples: bike and a car
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Lesson: Students will have to make a kid inspiration chart then exchange with a partner for assessment.
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Lesson: Students will have to make a bar graph of how many of each simple machine they found in their group.
Pulley 6Wheel and Axel 4Inclined Plane 7Lever 2Wedge 1Screw 10
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Lesson 2: Part of web quest lesson:
Click on the link below and choose on all the simple machine to watch an animated video.
http://www.brainpop.com/technology/simplemachines/
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How much do you know about simple machines? Click on the link below to play an interactive activity.
http://www.edheads.org/activities/simple-machines/
index.htm
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Scavenger Hunt A single pulley reverses what? Go to
http://www.mos.org/sln/Leonardo/InventorsToolbox.html to look for your answer
When you put two or more simple machines together, what do you get? Click on the link below, then click on interesting facts to get your answer. http://teacher.scholastic.com/dirtrep/simple/invest.htm
If the plane is flat on the floor, will it work? Why or why not? Click on the link below to find your answer.
http://www.fi.edu/qa97/spotlight3/spotlight3.html How many types of levers are there and how do they work? Click on the link below to find your answer.
http://www.enchantedlearning.com/physics/machines/Levers.shtml