Curated OER
AC Filtering With Capacitors
Young scholars 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.
Curated OER
Spotlight on Photovoltaics and Fuel Cells
Students utilize Internet resources to uncover the pros and cons of two topics in alternative energy technology: photovoltaics and fuel cells. Students analyze the structure and function of each system to make observations about the...
National High Magnetic Field Laboratory
Magnet Academy: Lissajous Figures on an Oscilloscope
This Java tutorial is a three-dimensional simulation of a cathode ray oscilloscope producing Lissajous figures as it compares sinusoidal voltages.
Georgia State University
Georgia State University: Hyper Physics: Conservation of Energy
This site is from the Physics Department at Georgia State University. The conservation of energy as a fundamental conservation law is presented and compared to other conservation laws (momentum and angular momentum). Links to further...
Texas Instruments
Texas Instruments: Electrolytes: Which Liquid Produces the Most Volts?
In this activity, students' will use a Voltage Sensor to measure the voltage produced by an electrolyte. They will understand that acids and bases are electrolytes and compare voltages of acids to the voltages of bases. Students' will...
Texas Instruments
Texas Instruments: You'll Get a Charge Out of This!
In this activity, students make a battery using different fruits and vegetables, a copper penny, and a zinc washer. They use a voltage probe to collect data on voltage and compare the values of different batteries.
Khan Academy
Khan Academy: Coulomb's Law and Electric Force Review
Review how an electric force behaves between like or opposite charges, and its dependence on separation distance and charge magnitude. Compare the electric force and gravitational force.