Curated OER
Simple Machines IV - Levers
The principles of levers and simple machines are presented here. An easy-to-make lever is constructed by each group of scientists, and they use it to explore how this simple machine makes heavy things so much easier to lift and move. A...
Curated OER
Simple Machines IV - Levers
The lever is an everyday simple machine. Youngsters learn the principles of levers and explore their many uses. Groups of pupils perform a simple lab where they lift objects with a fulcrum while placing the load in a variety of...
Curated OER
Can a Mouse Lift an Elephant?
Read Just a Little Bit, by Ann Tompert as an introduction to levers. Discuss playground seesaws and then turn learners loose to experiment with the placement of a fulcrum. Their goal is to determine where to place it in order to lift ten...
Curated OER
Simple Machines - Levers
Fourth graders lift objects with the fulcrum and load in various positions and then experiment with how much force is exerted by the effort and load arms of the lever. They place 5 paper clips in the load and move the fulcrum to match...
Curated OER
What is a Class One Lever?
Fifth graders understand what a lever is, how it works and what the parts of a lever are. In this first class lever lesson, 5th graders label pictures and design a lab lever. Students predict the outcome of experiments with their lever...
Curated OER
Applied Science - Technology (1B) Pre Lab
First graders explore simple machines. In this technology lesson, 1st graders review pulleys, levers, wedges, and ramps. They experiment with lifting items with and without these simple machines.
Curated OER
Levers: What Can Leverage Do For Me?
Students determine the identity of the three classes of levers while explaining how each works. They wait a video clip that shows uses for different types of levers and work as a class to write a KWL chart. Finally, they make a model fo...
Cornell University
Catapults
Ready, aim, fire! Launch to a new level of understanding as scholars build and test their own catapults. Learners explore lever design and how adjusting the fulcrum changes the outcome.
Curated OER
How Does the Elbow Work: A lesson in Levers
Students examine levers that exist in the human body. In this body function lesson students complete a lab activity that models how the elbow is a third class lever.
Curated OER
Lifting a Load
Students experiments with levers to determine if the amount of force needed to lift a load is always the same. For this physics lesson, students use Lab-Pro data collector as they experiment with the fulcrum placement to measure the work...
Museum of Science
Water Balloon Catapult
Fire away! Using a couple of milk jugs, a dowel rod, and a yardstick, individuals build catapults to throw water balloons. Learners notice that the catapult is a simple machine. By making a target, the class has a chance to refine their...
Curated OER
Torque Me Off
Students investigate the lever and the mathematics associated with levers. They determine the conditions necessary to balance a system of forces around a fulcrum.
Curated OER
Simple Machines
Students discover what simple machines are and identify a gear, a pulley, and a lever. In teams, they build at least two models each of simple machines and challenge them with specific instruction cards. Finally, students present and...
Curated OER
Investigation 3 - Weighty MistakesStudents
Third graders investigate levers and the concept of work.