Curated OER
Efficiency Can Solve a Host of Problems
Students explore the concept of efficiency. In this efficiency lesson, students read an article about efficiency in various industries such as health care, retail, and auto repair. Students identify a company that they think could...
Curated OER
Conservation of Energy
For this energy worksheet, students review the law of conservation of energy and how energy is transformed from one form to another. Students complete 10 matching, 10 fill in the blank, and 7 problems to solve.
Curated OER
Efficiency
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.
Curated OER
Training for Three: Triathlon
Young scholars complete cycle ergometer test to enable them to discuss their potential in each of the three events in a triathlon. They use their own dataset to make decisions as to their abilities in each sport.
Curated OER
Power Systems and Efficiency - Nuts! Investigation
Eighth graders measure the amount of energy found in different kinds of nuts. They use different types of burners and compare and contrast the efficiency of each. They also calculate an efficiency rating for a butane burner.
Science Buddies
Science Buddies: Time Is Money
By applying principles of industrial engineering and time management, you will learn how you can speed through your chores and still have time to kick back and relax. You will also learn that time-efficiency is not the only factor...
Other
Llnl:this Hybrid Vehicle Uses Hydrogen
Describes hybrid vehicles and their contributions to increasing the efficiency of automobiles. Explains the challenges faced by the design team and shows a nice schematic. From a 1995 article.
TeachEngineering
Teach Engineering: Energy Choices Game
Use this board game to introduce the concepts of energy use in our lives and the very real impact that personal choices can have on our energy consumption, energy bills and fuel supply. The game begins as students select cards that...
TeachEngineering
Teach Engineering: Light vs. Heat Bulbs
Students measure the light output and temperature (as a measure of heat output) for three types of light bulbs to identify why some light bulbs are more efficient (more light with less energy) than others.
TeachEngineering
Teach Engineering: Solving Energy Problems
The culminating energy project is introduced and the technical problem solving process is applied to get students started on the project. By the end of the class, students should have a good perspective on what they have already learned...
TeachEngineering
Teach Engineering: Concentrating on the Sun With P Vs
Students design, build and test reflectors to measure the effect of solar reflectance on the efficiency of solar PV panels. They use a small PV panel, a multimeter, cardboard and foil to build and test their reflectors in preparation for...
TeachEngineering
Teach Engineering: Energy Systems and Solutions
The Energy Systems and Solutions unit brings students through the exploration of science and engineering concepts as they relate to energy issues in everyday life. Issues surrounding energy production and energy consumption provide a...
TeachEngineering
Teach Engineering: Energy Efficient Housing
We all know that it takes energy to provide us with the basics of shelter: heating, cooling, lighting, electricity, sanitation and cooking. To create energy-efficient housing that is practical for people to use every day requires...
TeachEngineering
Teach Engineering: The Energy Problem
This six-day lesson provides students with an introduction to the importance of energy in their lives and the need to consider how and why we consume the energy we do. The lesson includes activities to engage students in general energy...
TeachEngineering
Teach Engineering: Energy Efficiency
Students measure energy outputs and inputs to determine the efficiency of conversions and simple systems. One associated activitiy includes Lego motors and accomplishing work. The other investigates energy for heating water. Students...
TeachEngineering
Teach Engineering: Household Energy Conservation and Efficiency
Students complete three different activities to evaluate the energy consumption in a household and explore potential ways to reduce that consumption. The focus is on conservation and energy efficient electrical devices and appliances.The...
TeachEngineering
Teach Engineering: Passive Solar Design
Young scholars are introduced to passive solar design for buildings--an approach that uses the sun's energy and the surrounding climate to provide natural heating and cooling. They learn about some of the disadvantage of conventional...
TeachEngineering
Teach Engineering: Concentrated Solar Power
Students learn how the total solar irradiance hitting a photovoltaic (PV) panel can be increased through the use of a concentrating device, such as a reflector or lens. This is the final lesson in the Photovoltaic Efficiency unit and is...
Other
Mechanical Systems
A collection of resources on how humans use machines and tools to meet their needs. Covers simple and complex machines, subsystems that transfer forces, mechanical advantage, speed ratio, the effect of friction, efficiency, the science...
TeachEngineering
Teach Engineering: Trade Offs and Maximizing Efficiency in a Fast Food Restaurant
Students learn about how to improve efficiency by examining fast food restaurants. More specifically, they learn about the concepts of trade-offs, constraints, increasing efficiency and systems thinking. They consider how to improve the...
Energy4Me
Energy4me: Energy Conservation Contract
Students learn about saving energy and encourage their families to conserve in this outreach activity.
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Concepts: Carnot Cycle
The Carnot cycle is described, illustrated and explained. The Carnot efficiency equation is given and interactive JavaScript form allows the visitor to investigate the effect of the reservoir temperature and the sink temperature upon the...
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Cycle
The heat engine cycle is defined and discussed. So pressure-volume diagrams are introduced and their use in depicting the cycles of a heat engine is demonstrated. Informative graphics are accompanied by reason-filled explanations.
Science Education Resource Center at Carleton College
Serc: Energy Cost of Engine Idling
An open-ended modeling exercise for students about sustainability and energy behaviors and impacts.