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simple & compound machines

Simple & Compound Machines
Image: iStockphoto.com/BradWolfe

Simple & Compound Machines

If "simple machine" makes you think of a computer from 20 years ago, think again. In fact, simple machines are things like levers and wedges. They’re ancient, and so simple it’s hard to think of them as machines at all.

Even so, they make work easier. And put together in the right way, they make it easier still. Then they’re called compound or complex machines. Explore both here.

Sophia Learning
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Simple Machines

Simple Machines

There is a lot of work to finish off at the museum. Twitch is happy to do it, but he's awfully small. Find simple machines to help him with his tasks. More...

Game
Museum of Science and Industry
Bill Nye the Science Guy: Simple Machines

Bill Nye the Science Guy: Simple Machines

In this fast-paced video, Bill Nye the Science Guy is inclined to explain... inclined planes. More...

Video
Disney
Purdue Rube Goldberg Machine Claims Guinness World Record

Purdue Rube Goldberg Machine Claims Guinness World Record

In 244 steps, this Rube Goldberg machine tells the history of the world and wins a world record, for having the most steps! More...

Video
Purdue University
A Baffling, Deviously Clever Rube Goldberg Machine

A Baffling, Deviously Clever Rube Goldberg Machine

Check out this perfect example of how to combine simple machines to create compound machines. Make sure you watch the video for the surprise twist! More...

Video
Fast Company
Mechanical Madness!

Mechanical Madness!

All that happens if you figure out this game, is that simple machines move a ball across your monitor. It's how they move it that makes the game worth playing. More...

Game
DragonflyTV/PBS
Pedal Power

Pedal Power

Talk about putting a compound machine to work! The SciGirls design an ice cream maker powered by pedaling on a bike. More...

Video
SciGirls/PBS
Compound Machines

Compound Machines

Strung together, the simple machines of ancient times make up a huge variety of modern, compound machines. More...

Video
TES Editorial
Gears & Compound Machines

Gears & Compound Machines

How come it's easier to pedal your bicycle uphill in low gear? How come it goes faster in high gear? Find out the secret of gears here. More...

Video
NASA
Give It a Lift with a Lever

Give It a Lift with a Lever

Does making a lever out of a bar of soap, a pen, and a ruler seem too simple? Remember: With the right lever, you could lift something heavier than you are. More...

Activity
Science Buddies
Levers in the Human Body

Levers in the Human Body

Hoping for a career as a superhero? You should know that most of the levers in your body (and there are lots of them) are not the kind that multiply force. More...

Interactive
Dynamic Science
Simple Machines Test

Simple Machines Test

Unfortunately, there is no simple machine that will move knowledge about simple machines into your brain. This quiz, however, will let you know how well you've done it by yourself. More...

Interactive
Quia.com
Simple Machines: Find & Put Them to Work

Simple Machines: Find & Put Them to Work

Find simple machines and put them to use with these interactive features. Also find out the answer to the question, "Since machines don't increase work, what good are they?" More...

Interactive
COSI/Columbus
Six Simple Machines

Six Simple Machines

Each of the six simple machines enjoys a few moments of stardom in this animated video from M.I.T. More...

Video
MIT
The Compound Machine

The Compound Machine

This easy, quirky game checks your knowledge of simple and compound machines while you try to rescue a lobster. More...

Interactive
Edheads.org
Work & Simple Machines: Quiz

Work & Simple Machines: Quiz

Test your knowledge of simple machines and their relationship to work with this challenging quiz. More...

Interactive
Glencoe/McGraw-Hill

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