University of Wisconsin
The Why Files: Super Solar Cells
An understandable description of modern research that is currently being conducted to develop a more efficient photovoltaic (solar energy) cell. It also contains links to other pages on renewable energy sources.
TeachEngineering
Teach Engineering: From Sunlight to Electric Current
The lesson will first explore the concept of current in electrical circuits. Current will be defined as the flow of electrons. Photovoltaic (PV) cell properties will then be introduced. This will lead to the principle of "Conservation of...
PBS
Pbs: How Do Solar Panels Work?
We've seen them for years on rooftops, atop highway warning signs, and elsewhere, but how many of us know how solar panels actually work? How do the photovoltaic cells that lie at the heart of them turn sunlight ("photo") into...
Science Buddies
Science Buddies: Solar Speedway
Solar power is hot these days. Gleaming, black solar panels soak up rays on more and more rooftops of homes and businesses providing a clean, alternative source of heat and electricity. You might guess that different times of the day...
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: Win That Bid! Selling Your Power Solution
A large part of engineering involves presenting products, concepts, and proposals to others in order to gain approval, funding, contracts, etc. The purpose of this activity is to fine-tune students' presentation skills while allowing...
Science Struck
Science Struck: Methods of Generating Electricity
Provides brief descriptions of the different methods used to generate electricity.
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