A Creative Cartoonist. Pulitzer Prize winning cartoonist, sculptor, and author Went to college to...
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About the Man
• Pulitzer Prize winning cartoonist, sculptor, and author
• Went to college to become an engineer • moved from San Francisco to New York
drawing daily cartoons for the Evening Mail
• believed that there were two ways to do things: the simple way and the hard way
• Through his cartoon inventions, Goldberg discovered difficult ways to achieve easy results
Rube Goldberg, 1923, Popular Science Magazine
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Ever see the game Mousetrap?
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Rube Goldberg Cartoon Gallery• To see some of Rube
Goldberg’s original cartoon inventions, visit this webpage:
• Rube Goldberg Cartoon Gallery
• Videos of students’ Rube Goldberg machines can be found at 8th grade Rube project or Katie's 6th grade project
• Or here amazing Rube machine
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A Picture Example:Alexis' 1998 Machine: The Magic School Bus
The goal of the 1998 Rube Goldberg contest at the Museum of Scientific Discovery, Harrisburg, was to build a machine (with at least 10 steps) to turn the page of a book.
• 1. Turn the handle on a toy cash register to open the drawer.2. The drawer pushes a golf ball off a platform, into a small blue funnel, and down a ramp.3. The falling golf ball pulls a string that releases the magic school bus (carrying a picture of Rube Goldberg) down a large blue ramp.4. Rube's bus hits a rubber ball on a platform, dropping the ball into a large red funnel.5. The ball lands on a mousetrap (on the orange box) and sets it off.6. The mousetrap pulls a nail from the yellow stick.7. The nail allows a weight to drop.8. The weight pulls a cardboard "cork" from an orange tube.9. This drops a ball into a cup. 10. The cup tilts a metal scale and raises a wire.11. The wire releases a ball down a red ramp.12. The ball falls into a pink paper basket.13. The basket pulls a string to turn the page of the book!
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Simple Machines are the Key to Rube Goldberg’s complex machines…
• The Lever
• A lever is a board or bar that rests on a turning point called the fulcrum.
• An object that a lever moves is called the load.
• The closer the load is to the fulcrum, the easier it is to move.
• The claw end of a hammer that you use to pry nails loose is an example of a lever.
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More Simple Machines
• Inclined Plane
• It is a flat surface that is raised on one end.
• A common inclined plane is a ramp.
• Inclined planes make it easier work to move objects either higher or lower.
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Even More Simple Machines
• Wheel and Axle
• The axle is a rod that goes through the wheel.
• The wheel, the round part, spins and turns the axle and allows both to move
• It is much easier to move things with wheels and axles.
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Simple Machines, continued…• Screw
• An inclined plane wrapped around a cylinder becomes a screw.
• A screw has sharp ridges and is not smooth like a nail.
• Screws can be used to lower and raise things.
• Screws can be used to hold objects together, like the screw on lid of a jar of peanut butter!
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Still More Simple Machines• Wedge
• A wedge is made up of two inclined planes.
• These two flat planes meet and form a sharp edge that can be used to push things apart.
• A fork or the blade of an axe are both wedges. The edges of the blades are smooth slanted surfaces.
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And the last Simple Machine…
• Pulley
• Instead of an axle, a wheel can rotate a rope or cord. In a pulley, a cord wraps around a wheel
• When you pull on one side of the cord, the wheel turns and the load will move.
• Pulleys are good for making moving heavy loads a lot easier.
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Let’s Identify Simple Machines… • Want to see the simple machines that you use in
your daily life?• Click here to find a whole house full of simple
machines.
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During this activity, you will be using simple machines to design and create a Rube Goldberg invention…
Your goal is to work in groups to create a complex machine that uses at least 4 separate steps to complete the task: pop a balloon.Today, you are to draw your ideas for your machine.In the next lab, we will begin construction and testing of your complex machines.
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During this activity, you will be using simple machines to design and create a Rube Goldberg invention…
• Your goal is to work in groups to create a complex machine that uses at least 4 separate steps to complete the task: pop a balloon.
• Today, you are to draw your ideas for your machine in your science notebook.
• Indicate and label the steps involved as well as the simple machines used.
• In the next lab, we will begin construction and testing of your complex machines.
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Sources for images and information:• Mousetrap image:
http://www.flickr.com/photos/publik15/3847087508/
• Picture example: http://mousetrapcontraptions.com/cool-machines-3.html
• Simple machines info and images http://www.fi.edu/qa97/spotlight3/inline/simplemachines.gif
• http://www.edheads.org/activities/simple-machines/frame_loader.htm