Alabama Learning Exchange
Alex: Levers Weight Lifters
During this lesson, students will have the opportunity to explore levers through hands-on experiences and by navigating the Internet. This lesson allows students to use their experiences to determine how levers and other simple machines...
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 -...
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.
TeachEngineering
Teach Engineering: Modern Day Pyramids
Students investigate the ways in which ancient technologies - six types of simple machines and combinations - are used to construct modern buildings. As they work together to solve a design problem (designing and building a modern...
CK-12 Foundation
Ck 12: Physical Science: Lever
[Free Registration/Login may be required to access all resource tools.] Definition of a lever and the three different classes, and how each one changes force.
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.
NASA
Nasa: Simple Machine Resource Chart
This site provides a chart that lists the six simple machines, defines them, explains how it helps and gives examples.
Science Education Resource Center at Carleton College
Serc: Levers:relationship of Force of Effort & Resistance Fulcrum Placement
Students investigate the relationship between the two forces and the location of the fulcrum in a first class lever. Students work in cooperative groups of approximately three to make observations that they can then generate a formula...
TeachEngineering
Teach Engineering: Let's Move It!
Students 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 quarry to...
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...
Other
Uss Constitution Museum: Constructing a Warship
USS Constitution was built as a fighting machine and utilized the six simple machines of science to accomplish the many tasks required of her. Young scholars will identify and manipulate these machines to create inventions that would...
Other
Ontario Council for Technology Education: Designing and Testing a Crane [Pdf]
By the end of this project, young scholars will be familiar with the 6 different simple machines and will be able to identify how these machines are used in products and tools they use on a daily basis. They will investigate how...
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...
Sophia Learning
Sophia: Practice W/ Levers
This lesson provides the learner with examples on determining the work done to or by a lever.
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.
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...
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.
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.
Utah Education Network
Uen: Trb 3:3 Investigation 3 Weighty Mistakes
Understand the concept of "work" and the use of levers.
TryEngineering
Try Engineering: Trebuchet Toss
A lesson plan through which students design and build a small trebuchet from everyday materials. After building and testing their models, students will compete to see whose prototype produces the farthest launch.
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.
My Science Site
Life Systems: Cells, Tissues, Organs
Extensive site for teachers provides some helpful resources that pertain to plant and animal cells. Includes a microscope diagram as well as plant, animal and pond labs. Also contains links to structures and mechanisms, matter and...