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Bonneville
Macro-Scale Solar
There's no substitute for the power of the sun. The second of four installments of the Solar Resources Assessment unit looks at macro-scale photovoltaic (PV) technology. Future scientists first learn about PV modules with a PowerPoint...
Bonneville
DC to AC to DC Efficiency
The power to learn about AC and DC power lies within everyone. The fifth of seven installments in the Off the Grid unit continues the investigation of the efficiency of a USB charger. Individuals use an inverter that converts DC power to...
Curated OER
The Sun: Earth's External Heat Engine Part 1 of the Astronomy Model
Students become familiar with the variables that control Earth's solar energy supply. They explore the source and nature of solar energy, the genesis of radiation, and the structrue of the Sun, gas spectra are observed and sample...
Curated OER
AC Filtering With Capacitors
Learners investigate the properties of capacitors and discover that capacitors block DC and filter AC. They discover the function of capacitors. Students differentiate between AC and DC power. They explore the role of resistors.