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...
OpenStax
Open Stax: Interactions of Skeletal Muscles
This site rpovides information regarding the interactions of skeletal muscles, including their fascicle arrangement and their lever systems.
Utah Education Network
Uen: Trb 3:3 Investigation 3 Weighty Mistakes
Understand the concept of "work" and the use of levers.
Other
Hognosesam: Linkages
This site illustrates different types of linkages that are used to create different types of levers.
Curated OER
Wikipedia: Lever
Wikipedia offers excellent information on levers, including a hyperlinked table of contents, images, and examples.
Curated OER
Wikipedia: Lever
Wikipedia offers excellent information on levers, including a hyperlinked table of contents, images, and examples.
Curated OER
Wikipedia: Lever
Wikipedia offers excellent information on levers, including a hyperlinked table of contents, images, and examples.
Curated OER
Wikipedia: Lever
Wikipedia offers excellent information on levers, including a hyperlinked table of contents, images, and examples.
Curated OER
Wikipedia: Lever
Wikipedia offers excellent information on levers, including a hyperlinked table of contents, images, and examples.
Science Buddies
Science Buddies: Effect of Trebuchet Arm Length or Counterweight Mass on Project
A trebuchet is a catapult that uses a counterweight to supply the energy for throwing. They were used in the Middle Ages for attacking castle walls. In this project, you build your own model trebuchet and investigate how design changes...
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...
Science Education Resource Center at Carleton College
Serc: Catapults: Controlled Investigations
In this structured inquiry, students will investigate a catapult system. Having previously explored and identified the variables of the catapult system (length of lever, mass of shot, angle of catapult), students will conduct controlled...
TeachEngineering
Teach Engineering: Wheeling It In!
In an open-ended design activity, students use everyday materials (milk cartons, water bottles, pencils, straws, candy) to build a small-scale transportation device. They incorporate the use of a wheel and axle, and lever into their...
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...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Simple Machines (Grades 1 To12)
In this lesson plan learners start by trying to open a paint can with their bare hands. Eventually, they will use a lever to open it. Various activities are used to enforce different simple machines.
Khan Academy
Khan Academy: Simple Machines and How to Use This Tutorial
There are six simple machines. They are as follows: lever, wheel, pulley, incline plane, wedge, and screw. This tutorial will cover the first three.
PBS
Pbs Teachers: Secrets of Lost Empires I Obelisk
Investigate how levers can be used to lift objects and discover how the position of the fulcrum affects the force and the distance of the load lifted.
Ducksters
Ducksters: Physics for Kids: Simple Machines
Kids learn about the science behind simple machines such as levers, wheels, pulleys, inclined planes, and screws. How they work together to make complex machinery.
Science Struck
Science Struck: Could Archimedes Have Lifted the Earth?
Read the story behind Archimedes' claim that he could lift the Earth with a lever. The author analyzes this hypothetical claim to show that it would never be possible to lift something as massive as the Earth.
PBS
Pbs Learning Media: Cyberchase: Force Field Combinations
In this Cyberchase video segment, the CyberSquad finds the right combination of switch, lever and button that will deactivate the force field protecting the stolen Black Crystal. [3:21]
Other
D&t Online: Linkages
This site describes different types of linkages and how they are used in simple machines.
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