Curated OER
Balanced Forces
Examples and practice questions will help real-life understanding of the Principle of Moments concept. These great slides define the types of levers and pivots, and then give examples of the typical seesaw situations that help the...
Curated OER
Inverse (Indirect) Machines
Students observe relationships between quantities. Students complete activities for three different classes of levers. In groups, students build each type of lever. Students identify levers in their daily surroundings. Students observe...
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Experiments with Levers
Students investigate levers. In this simple machine lesson, students study levers and the mechanical advantage of using levers. They will collect data and illustrate their systems for eight different tests.
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.
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Secrets of Lost Empires II -- Medieval Siege
Students design a working working model of a trebuchet and demonstrate the power of a Class 1 lever. They test their models by throwing grapes the greatest distance and raising and lowering bricks.
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The Gear Game
Students discuss that the conservatin of energy states that the energy imput must equal the energy output. They then figure out how can a machine help you to perform task otherwise considered impossible? Students discuss the six simple...
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An Introduction to Simple Machines
Students investigate simple machines and their uses in everyday life. In this scientific method instructional activity, students examine physical tools such as wedges, screws, and levers using a "how does it work" approach. Students...