TeachEngineering
Teach Engineering: Levers That Lift
This lesson introduces students to three of the six simple machines used by many engineers: the lever, the pulley, and the wheel-and-axle. In general, engineers use the lever to magnify the force applied to an object, the pulley to lift...
Wikimedia
Wikipedia: Lever
Wikipedia offers excellent information on levers, including a hyperlinked table of contents, images, and examples.
Museum of Science
Museum of Science and Industry: Online Science: Build a Lever
Step-by-step illustrated instructions for an experiment investigating how a lever works. An explanation of the science involved is given at the end.
Sophia Learning
Sophia: Simple Machines: Levers: Lesson 2
This lesson will introduce the three types of levers and show how to calculate the mechanical advantage of each. It is 2 of 3 in the series titled "Simple Machines: Levers."
CK-12 Foundation
Ck 12: Plix: Simple Machines: Lever
[Free Registration/Login Required] Drag the labels to identify the different parts of the wheelbarrow as parts in a lever.
CK-12 Foundation
Ck 12: Plix: Simple Machines: Lever
[Free Registration/Login Required] Drag the labeled triangles to indicate where the fulcrum of this third-class lever is as well as the input and output forces.
My Science Site
Experiments With Levers [Pdf]
This resource details a cooperative learning activity on experimenting with levers. Offers eight different tests students can engage in. A student data sheet is also provided for students to record their findings. This resource is in PDF...
Walter Fendt
Walter Fendt: Lever Principle
A short interactive activity which demonstrates when a lever is in equilibrium.
John F. Kennedy Center
The Kennedy Center: Balancing Mobiles
In this lesson plan, students will apply mathematical, science, and engineering concepts to experiment with balancing levers. They will learn to classify types of levers to design and build a simplified mobile. Students will explore...
Sophia Learning
Sophia: Practice W/ Levers
This lesson provides the learner with examples on determining the work done to or by a lever.
Sophia Learning
Sophia: Levers & More Complex Machines
This lesson explains how levers can be applied to more complex machines.
Ohio State University
Ohio State Univ.: Simple Machines & Mechanical Advantage [Pdf]
This site details how simple machines create a mechanical advantage for humans. Levers, theoretical mechanical advantage, actual mechanical advantage, and pulley systems are discussed.
Maryland Science Center
Maryland Science Center: March Madness Finger Basketball [Pdf]
Build a miniature basketball court, and use a spoon lever to shoot balls into the basket. Experiment with different materials to see which one works the best.
PBS
Pbs Teachers: Secrets of Lost Empires Ii: Lever Lift
Examine the classes of levers and discover how levers work by raising a brick with shish kebab skewers.
PBS
Pbs Teachers: Secrets of Lost Empires Ii: Lever an Obelisk
Utilize an understanding of how a lever works to lift an obelisk, using as few of the weights and support stones as possible in this online interactive activity.
The Franklin Institute
The Franklin Institute Online: The Incredible Lever
This site contains a scientific experiment in which students build a lever by using a wood plank and brick.
Concord Consortium
The Concord Consortium: Molecular Workbench: Hydraulic Lever
Adjust the amount of force in this simulated piston to observe how the fluid in this system is affected.
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,...
Science Buddies
Science Buddies: Balancing the Load: The See Saw as a Simple Machine
Have you ever tried to pull out a nail out of wood with your bare hands? Or have you tried to shove a staple through a stack of papers without a stapler? A hammer's claw, a stapler, a pair of pliers and a shovel are each examples of...
Creative Science Centre
Creative Science Centre: Newton's Experiments
A collection of projects that recreated Isaac Newton's experiments as he would have built them in the seventeenth century. The projects include the mechanical advantage possible using three levers, the trajectory of a projectile, air...
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 -...
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