TeachEngineering
Teach Engineering: Renewable Energy Living Lab: Smart Solar
Students use real-world data to evaluate whether solar power is a viable energy alternative for several cities in different parts of the U.S. Working in small groups, they examine maps and make calculations using NREL/US DOE data from...
TeachEngineering
Teach Engineering: Capturing the Sun's Warmth
In the exploration of ways to use solar energy, students investigate the thermal energy storage capacities of different test materials to determine which to use in passive solar building design.
TeachEngineering
Teach Engineering: You're in Hot Water
To explore different ways of using solar energy, students build a model solar water heater and determine how much it can heat water in a given amount of time. Solar water heaters work by solar radiation and convection.
TeachEngineering
Teach Engineering: Cooking With the Sun
Students learn about using renewable energy from the Sun for heating and cooking as they build and compare the performance of four solar cooker designs. They explore the concepts of insulation, reflection, absorption, conduction and...
TeachEngineering
Teach Engineering: Solar Power
In this activity, students learn how engineers use solar energy to heat buildings by investigating the thermal storage properties of some common materials: sand, salt, water and shredded paper. Students then evaluate the usefulness of...
TeachEngineering
Teach Engineering: Solar Water Heater
Student teams design and build solar water heating devices that mimic those used in residences to capture energy in the form of solar radiation and convert it to thermal energy. This thermal energy is next transferred to water (to be...
TeachEngineering
Teach Engineering: A New Angle on Pv Efficiency
Students examine how the orientation of a photovoltaic (PV) panel relative to the sun affects the efficiency of the panel. Using sunshine (or a lamp) and a small PV panel connected to a digital multimeter, students vary the angle of the...
TeachEngineering
Teach Engineering: Ice, Ice, Pv!
Students examine how the power output of a photovoltaic (PV) solar panel is affected by temperature changes. Using a 100-watt lamp and a small PV panel connected to a digital multimeter, teams vary the temperature of the panel and record...
TeachEngineering
Teach Engineering: Pointing at Maximum Power for Pv
Student teams measure voltage and current in order to determine the power output of a photovoltaic (PV) panel. They vary the resistance in a simple circuit connected to the panel to demonstrate the effects on voltage, current, and power...
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: Design a Solar City
Students design and build a model city powered by the sun! They learn about the benefits of solar power, and how architectural and building engineers integrate photovoltaic panels into the design of buildings.
TeachEngineering
Teach Engineering: Solar Water: Heat It Up!
Students explore energy efficiency, focusing on renewable energy, by designing and building flat-plate solar water heaters. They apply their understanding of the three forms of heat transfer (conduction, convection and radiation), as...
TeachEngineering
Teach Engineering: Quantum Dots and Colors
Students are introduced to the physical concept of the colors of rainbows as light energy in the form of waves with distinct wavelengths, but in a different manner than traditional kaleidoscopes. Looking at different quantum dot...
TeachEngineering
Teach Engineering: Organic Solar Energy and Berries
Students learn about how a device made with dye from a plant, specifically cherries, blackberries, raspberries and/or black currents, can be used to convert light energy into electrical energy. They do this by building their own organic...
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: Photovoltaic Efficiency
Through a series of four lessons, students are introduced to many factors that affect the power output of photovoltaic (PV) solar panels. Factors such as the angle of the sun, temperature of the panels, specific circuit characteristics,...
TeachEngineering
Teach Engineering: Exploring Solar Power
This unit provides students the opportunity to explore methods engineers have devised for harnessing sunlight to generate power. Students will initially explore heat transfer and heat storage through the construction, testing, and...
TeachEngineering
Teach Engineering: Energy Resources and Systems
Several activities are included to teach and research the differences between renewable and non-renewable resources and various energy resources. Middle schoolers work with a quantitative, but simple model of energy resources to show how...
TeachEngineering
Teach Engineering: Off the Grid
Students learn and discuss the advantages and disadvantages of renewable and non-renewable energy sources. They also learn about our nation's electric power grid and what it means for a residential home to be "off the grid."
TeachEngineering
Teach Engineering: Passive Solar Design
Students 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 heating...
TeachEngineering
Teach Engineering: Solar Angles and Tracking Systems
Students learn about the daily and annual cycles of solar angles used in power calculations to maximize photovoltaic power generation. They gain an overview of solar tracking systems that improve PV panel efficiency by following the sun...
TeachEngineering
Teach Engineering: The Temperature Effect
Learners explore how the efficiency of a solar photovoltaic (PV) panel is affected by the ambient temperature. They learn how engineers predict the power output of a PV panel at different temperatures and examine some real-world...
TeachEngineering
Teach Engineering: Maximum Power Point
Students learn how to find the maximum power point (MPP) of a photovoltaic (PV) panel in order to optimize its efficiency at creating solar power. They also learn about real-world applications and technologies that use this technique, as...
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 instructional activity in the Photovoltaic...