Curated OER
Science: Electric Fields from Point Charges
Students examine electric fields using viewers to discover the direction of positive charges and the location of the field's strength. They experiment with positive, negative, like and opposite charges. Students also describe how...
Cornell University
Splitting Water with Electricity
Explore how electricity splits water molecules into hydrogen and oxygen. Learners begin by calculating the voltage necessary to separate the water. They then perform the experiment and measure the ratio of hydrogen and oxygen bubbles.
Curated OER
Electroscope
Students examine what an electroscope is and who invented it. For this electrical lesson students build their own Emergency Radiation detector Electroscope.
Curated OER
Types of Circuits and Ohm's Law
In this circuits learning exercise, students compare and contrast series and parallel circuits. Students learn about Ohm's Law and define current, voltage, and resistance. This learning exercise has 6 matching, 18 fill in the blank, and...
Curated OER
Types of Circuits and Ohm's Law
For this circuits an Ohm's Law worksheet, students read about the differences between series and parallel circuits. They are given Ohm's Law and the definitions of current, voltage and resistance. Students match variables with their...
Curated OER
Electromagnets: Winding Things Up!
Learners explore solenoids and electromagnets. After building an electromagnet, students use a TI Graphing calculator, a CBL 2 interface and a magnetic field sensor to measure the strength of a magnetic field. They create a graph of...