To better understand electricity, students investigate the properties of materials based on …
To better understand electricity, students investigate the properties of materials based on their ability to dispel static electricity. They complete a lab worksheet, collect experimental data, and draw conclusions based on their observations and understanding of electricity. The activity provides hands-on learning experience to safely explore the concept of static electricity, learning what static electricity is and which materials best hold static charge. Students learn to identify materials that hold static charge as insulators and materials that dispel charge as conductors. The class applies the results from their material tests to real-world engineering by identifying the best of the given materials for moving current in a solar panel.
Students are introduced to the concept of electricity by identifying it as …
Students are introduced to the concept of electricity by identifying it as an unseen, but pervasive and important presence in their lives. They are also introduced to the idea of engineers making, controlling and distributing electricity. The main concepts presented are the science of electricity and the careers that involve an understanding of electricity. Students first review the structure of atoms and then learn that electrons are the particles behind electrical current and the motivation for electron movement. They compare conductors and insulators based on their capabilities for electron flow. Then water and electrical systems are compared as an analogy to electrical current. They learn the differences between static and dynamic forms of electricity. A PowerPoint(TM) presentation is included, with review question/answer slides, as well as assessment handouts to practice using electricity-related terms through storytelling and to research electricity-related and electrical engineering careers.
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