Wikimedia
Wikipedia: Wheel
An encyclopedia article from Wikipedia on the wheel discusses how wheels operate and travel on surfaces, and gives information on the invention and use of the wheel in ancient times. Links are also provided for additional information.
Sophia Learning
Sophia: Simple Machines: Wheel and Axel: Lesson 1
This lesson will explain how to calculate the mechanical advantage of a wheel and axel. It is 1 of 2 in the series titled "Simple Machines: Wheel and Axel."
Sophia Learning
Sophia: Simple Machines: Wheel and Axel: Lesson 2
This lesson will explain how to calculate the mechanical advantage of a wheel and axel. It is 2 of 2 in the series titled "Simple Machines: Wheel and Axel."
TeachEngineering
Teach Engineering: Simple Machines From Pyramids to Skyscrapers
Simple machines are devices with few or no moving parts that make work easier, and which people have used to provide mechanical advantage for thousands of years. Students learn about the wedge, wheel and axle, lever, inclined plane,...
TeachEngineering
Teach Engineering: Simple Machines
Through a five-lesson series with five hands-on activities, students are introduced to six simple machines - inclined plane, wedge, screw, lever, pulley, wheel-and-axle - as well as compound machines, which are combinations of two or...
TeachEngineering
Teach Engineering: The Magician's Catapult
In this activity, students reinforce their understanding of compound machines by building a catapult. This compound machine consists of a lever and a wheel-and-axel. Catapults have been designed by engineers for a variety of purposes -...
TeachEngineering
Teach Engineering: Let's Move It!
Young scholars explore methods employing simple machines likely used in ancient pyramid building, as well as common modern-day material transportation. They learn about the wheel and axle as a means to transport materials from rock...
TeachEngineering
Teach Engineering: Engineering: Simple Machines
Simple machines are devices with few or no moving parts that make work easier. Students are introduced to the six types of simple machines - the wedge, wheel and axle, lever, inclined plane, screw, and pulley - in the context of the...
TeachEngineering
Teach Engineering: Simple Machines and Modern Day Engineering Analogies
Students apply the mechanical advantages and problem-solving capabilities of six types of simple machines (wedge, wheel and axle, lever, inclined plane, screw, pulley) as they discuss modern structures in the spirit of the engineers and...
TeachEngineering
Teach Engineering: Splash, Pop, Fizz: Rube Goldberg Machines
Refreshed with an understanding of the six simple machines; screw, wedge, pully, incline plane, wheel and axle, and lever, student groups receive materials and an allotted amount of time to act as mechanical engineers to design and...
SEDL
Southwest Educational Development Laboratory: Simple Machines [Pdf]
This large PDF file contains seven lessons on simple machines. Includes illustrations. Requires Adobe Reader.
Science Buddies
Science Buddies: There's a Machine in My Toy Box!
Simple machines are everywhere, even many of your toys are simple machines. Come visit this science fair project and explore the six types of simple machines. Find out how many are hiding under the hinged lid (yes, another simple...
Read Works
Read Works: Machines Can Move!
[Free Registration/Login Required] An informational text about simple machines used in daily life such as: a pulley, a screw, an inclined plane, a wheel and axle, a wedge, and a lever. A question sheet is available to help students build...
Alabama Learning Exchange
Alex: How to Make Something Simple, Hard
Middle schoolers will have completed a unit of forces and motion prior to the current unit of study on simple machines (lever, inclined plane, screw, wedge, pulley, wheel and axle). Students will review the functions and examples of...
Alabama Learning Exchange
Alex: Inventions Using Simple Machines Project
Students will have completed a unit on the six simple machines (lever, inclined plane, pulley, wedge, screw, and wheel and axle) before beginning this project. Students will choose to investigate an invention composed of one or more...
Other
University of Arkansas: Simple Machines
A thorough discussion of all the simple machines, beginning with some thoughts on mechanical advantage and conservation of energy. Very complete. Move down to the section that interests you.
Soft Schools
Soft Schools: Simple Machines
Identify the six simple machines by dragging the correct term, and dropping it onto the associated simple machine.
Beacon Learning Center
Beacon Learning Center: How Can We Move Our Principal?
In this problem solving exercise, students must decide which simple machine would work best in different situations, in order to help the principal manoeuvre himself after he has hurt his leg and can't walk. The site has a good tutorial...
The Franklin Institute
Franklin Institute Online: Simple Machines
Information on all six simple machines, nicely presented with extra information available for all. Other sources available. Do "Try This Demonstration."
Scholastic
Scholastic: Study Jams! Science: Force and Motion: Simple Machines
A slideshow and a short quiz on simple machines and how they reduce the amount of work or effort needed to complete a task.
University of Houston
University of Houston: Science Lessons: Simple Machines Learning Site
Provides definitions of all 6 simple machines with examples and student drawing of them. Interactive "simple machines quiz" at the end.
Read Works
Read Works: Machines Can Move
[Free Registration/Login Required] An informational text about simple machines people use every day. A question sheet is available to help students build skills in reading comprehension.
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