Making Things Work Melody Wright 4 th grade Power Point ECE 8842, section 4.
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Transcript of Making Things Work Melody Wright 4 th grade Power Point ECE 8842, section 4.
![Page 1: Making Things Work Melody Wright 4 th grade Power Point ECE 8842, section 4.](https://reader035.fdocuments.us/reader035/viewer/2022062716/56649e105503460f94afc1bb/html5/thumbnails/1.jpg)
Making Things WorkMaking Things Work
Melody Wright Melody Wright
44thth grade Power Point grade Power Point
ECE 8842, section 4ECE 8842, section 4
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Table of ContentsTable of Contents Georgia Performance Georgia Performance
StandardsStandards Types of Simple Machines Types of Simple Machines
OrganizerOrganizer Inclined PlaneInclined Plane
types of inclined planestypes of inclined planes WedgeWedge
types of wedgestypes of wedges LeversLevers
types of leverstypes of levers ScrewsScrews
types of screwstypes of screws PulleysPulleys
types of pulleystypes of pulleys Wheels and axlesWheels and axles
types of wheels and axlestypes of wheels and axles
Other Types of Simple Other Types of Simple MachinesMachines
Simple Machines in Our Simple Machines in Our HomesHomes
Simple Machines at WorkSimple Machines at Work Pulleys and Inclined PlanesPulleys and Inclined Planes LeversLevers
ResourcesResources How Do You Move a Lion?How Do You Move a Lion? Closing SlideClosing Slide
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Georgia Performance StandardGeorgia Performance Standard
S4P3. Students will demonstrate the relationship between the application of a force and the resulting change in position and motion on an object.
a. Identify simple machines and explain their uses. (lever, pulley, wedge, inclined plane, screw, wheel and axle)
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Types of MachinesTypes of Machines
wedge
InclinedPlane
Wheel andAxle
screw
Lever
pulley
6 types of Simple Machines
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Inclined PlaneInclined Plane
An inclined plane is An inclined plane is a flat surface set at a flat surface set at an angle to another an angle to another surface. surface.
Where do you find Where do you find inclined planes?inclined planes?
How might you use How might you use an inclined plane?an inclined plane?
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Inclined PlaneInclined Plane
An inclined plane is used to make moving things up and down easier.
Inclined planes are ramps, slides, and stairs; many others, too.
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WedgeWedge A wedge is two A wedge is two
inclined planes stuck inclined planes stuck back to back. back to back. A wedge is wide at one end and tapers to a point at the other.
Where might you find Where might you find wedges?wedges?
How might you use a How might you use a wedge?wedge?
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WedgeWedge
Knives, doorstops, saws and scissors are all types of wedges.
Wedges are used to separate things by cutting, piercing, or splitting the objects.
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LeversLevers A lever is a bar that A lever is a bar that
moves on or moves on or around a fixed around a fixed point. point.
Where do you find Where do you find levers?levers?
How can you use a How can you use a lever?lever?
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LeversLeversLevers, levers everywhere!
A lever is used for raising or moving heavy objects.
See-saws, push bars, hammers, bottle openers, and pop-tops on soda cans are all levers!
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ScrewScrew
A screw is an A screw is an inclined plane that inclined plane that curves around a curves around a pole.pole.
Where do we find Where do we find screws?screws?
How do we use How do we use screws?screws?
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ScrewScrewA screw is used to hold things together.
Screws are all around us! Bottle tops, bolts, and even the end of light bulbs are all types of screws!
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PulleyPulley
A pulley is a rope A pulley is a rope over a wheel. It over a wheel. It changes the changes the direction of the direction of the force you use.force you use.
Where do we find Where do we find pulleys?pulleys?
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PulleyPulley
A pulley makes it easier to move objects up, down, and across a long distance. The more pulleys you combine, the less force you need to move an object.
A flagpole is a type of pulley.
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Wheel and AxleWheel and Axle
A wheel and axle is A wheel and axle is a machine that has a machine that has a bar through the a bar through the middle of a wheel.middle of a wheel.
Where do we find Where do we find wheels and axles?wheels and axles?
Why do we use Why do we use wheels and axles?wheels and axles?
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Wheel and AxleWheel and AxleWhen the wheel is turned, the axle turns, too.
Doorknobs, tape dispensers, pencil sharpeners, and automobiles all use wheels and axles.
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Other Examples ofOther Examples of Simple Machines Simple Machines
InclineInclined planed plane
WedgWedgee
LeversLevers ScrewScrew PulleyPulleyWheel Wheel and and axleaxle
slideslide kitchen kitchen
knifeknifelight light
switchswitch
tornado tornado slideslide
cranescranes pizzapizza
cuttercutter
wheel-wheel-chair chair rampramp
doorstopdoorstopbroombroom
Coke Coke bottle bottle
toptopsailboasailboa
tt
sailssails
fishingfishing
polepole
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Simple Machines in Our Simple Machines in Our HousesHouses
0
5
10
15
20
25
screws wedges inclinedplanes
wheels andaxles
pulleys levers
screw s
w edges
inclined planes
w heels and axles
pulleys
levers
Annie’s House Anthony’s House
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Simple Machines at WorkSimple Machines at Work
Pulleys and Inclined Planes
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More Simple Machines More Simple Machines at Workat Work
Levers
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ResourcesResourcesWebsites
http://edheads.org http://home.earthlink.net/~kandyhig/sm/ www.harcourtschool.com/activity/machines/simple_machines.htm www.kidskonnect.com/SimpleMachines/SimpleMachinesHome.htm
l http://www.hep.uiuc.edu/home/mats/wg2004.html
Books Simple Machines by Allan Fowler The Wheeling and Whirling Around Book
by Judy Hindley How Do You Lift a Lion? By Robert E. Wells (see
the book cover on the next slide)Back to table of contents
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Don’t you just
Simple Machines?!