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Simple Machines: The Lever
Twelfth graders study how simple machines work and observe how a lever is a simple machine. They observe how a hammer and nail are simple machines that can be used to repair a fence.
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Energy, Work, Simple Machines
The tension of the 236 strings in a grand piano exert a combined force of 20 tons on the cast iron frame. The presentation includes topics such as work, forms of energy, conservation of energy, gravitational and elastic potential energy,...
11th - Higher Ed Science CCSS: Adaptable
Qualitative Examples of Conservation of Mechanical Energy
Instructions for series of six activites, a reading of scientific literature, and a choice of six assessments await you in this physics resource. Well-written plans guide you in guiding your pupils to experiment with levers, pulleys,...
9th - Higher Ed Science
The Mighty Mathematics of the Lever
Exactly what did Archimedes mean when he said, "Give me a place to stand, and I will move the Earth"? Watch this video and find out as it explains the mathematics behind levers, and explores a few fun hypothetical situations involving...
5 mins 7th - 12th Science CCSS: Adaptable
Changing Materials Without Touching - Levers, Actuators and Exciting Materials
Students change the properties of a material by applying heat and use the change to move a lever. In this simple machines instructional activity, students read and watch videos about levers and moving atoms. They create a lever using an...
9th - 12th Science