In this efficiency worksheet, students use the efficiency equation to solve for useful work done by the machine (output). This worksheet has 10 problems to solve.
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The BEAM Project: Building Efficient Architectural Models
Technology or engineering teams are given a task to design, construct, and test the efficiency of a structure that will foster an even temperature throughout an entire day in the sunlight. This is intended as a long-term project. Pupils...
9th - 12th Science
Carnot Efficiency 3: Proving that it is the most efficient
The Carnot Engine is the most efficient engine known in the world of chemistry. In this presentation, Sal proves that this statement is true by setting up a variety of examples which use engines, then applying mathematical concepts which...
12 mins 7th - 10th Science
New Review The Energy Efficiency of Heating Water
Can a small change in laboratory procedures save energy? Scholars test three different methods for heating water in a science lab. Then, they calculate the energy efficiency for each and compare them to determine which uses the least...
9th - 12th Science CCSS: Adaptable
Efficiency of a Water Heating System
Tired of waiting for hot water? Groups of three determine the efficiency of an electric water-heating device. They calculate the amount of energy it takes to heat the water and the theoretical amount of energy required to heat the water....
9th - 12th Science CCSS: Designed