Simple Machines

Year 8 Science

Inclined Plane

Wedge

Screw

Levers

First and second class levers are force multipliers.

Third class levers are speed multipliers.

First class lever

Second class lever

Third class levers

Wheel and axle

Pulleys

Gears

More about Simple machines:

• Great site for learning more about Simple machines:

• http://www.worsleyschool.net/science/files/simple/machines.html

• Try the quiz about Levers here:

• http://www.worsleyschool.net/science/files/lever/quiz.html

Image Sources

• http://www.flickr.com/photos/binaryape/4882162452/• http://www.flickr.com/photos/sbisson/3852086117/• http://www.flickr.com/photos/valeriebb/248282522/• http://www.flickr.com/photos/23240330@N03/4579399181/• http://www.flickr.com/photos/gringo155/436762663/• http://www.flickr.com/photos/kmakinen/4308475563/• http://www.flickr.com/photos/huesofheather/400778691/• http://www.flickr.com/photos/joeshlabotnik/2384490016/

http://www.flickr.com/photos/learyftw/3120948172/

http://www.flickr.com/photos/spengy/4529351389/