Curated OER
Coulomb's Law and Induced Polarization
Engage your aspiring physicists in a series of lab activities directied at demonstrating the behavior of electric force. In completing these exercises, learners will explore Coulomb's and Gauss's Laws. Well-written directions to four...
Teach Engineering
Electricity and Magnetic Fields
Introduce your class to the idea of magnetic fields around electrical wires with an activity that provides the information about the direction of a magnetic field around a wire carrying an electric current.
Curated OER
The Magnetometer
Physical or earth science pupils prepare a magnetometer by inducing magnetism into a pair of straight pins. As the pins hang from a thread, they can be used to detect the magnetic field or poles of a magnet. They could also be used as a...
Curated OER
Magnets, Electromagnets and Field of Forces
Students investigate magnetic forces. In this electromagnetic instructional activity, students explore magnetic forces, magnetic fields, and the movement of current through a variety of activities.
Teach Engineering
Electromagnets
Show your class what goes on with a magnet that can be turned on and off with a resource that provides the information needed to build an electromagnet. The information allows the class to understand that creating loops with the current...
Curated OER
Deducing Induction
Students examine how changing magnetic fields induce currents in
loops and coils, determine orientation and magnitude of magnetic field,
describe Michael Faraday's experiments that led to conclusion that changing
magnetic force induces...
Curated OER
Exploring Magnetism and Electricity
Students explore Faraday's Law. In this electromagnetism lesson, students investigate Michael Faraday. Students discover the history of the electromagnet. Students examine the parts of an electromagnet.
Teach Engineering
Changing Fields
Eddy currents, Faraday's Law and Lenz's Law provide the connection between train brakes and and MRI machines in a lesson that asks teachers to provided the material needed so the pupils can understand the properties of changing magnetic...
Curated OER
Electromagnitism Applications
Students experiment on magnets and electricity. In this physics lesson, students determine what factors affect the strength of a magnetic field. They design an experiment to determine how electromagnetic field strength varies with distance.
Curated OER
Map Field of Current
Students determine that moving charges create a magnetic field. They discover that the speed and direction of motion, the amount of charge, and the deflection angle observed are closely linked. A voltmeter, pendulum, and a constructed...
Curated OER
A Simple Motor
Instructions for building a simple electromagnetic motor are provided for the teacher. Aside from some sketchy background information and a list of content standards to be met, that is about all you will find in this resource. The motor...
Curated OER
Induction: Inquiry in Action
Students investigate the factors that affect the induced current in a loop of wire. They discuss Faraday's Law and Lenz's Law. Students identify the different variables that affect the magnetic flux and calculate the magnetic flux...
Curated OER
Science: Lenz's Law and the Spinning Can
Students observe a demonstration of Lenz's Law using an aluminum can and a bar magnet. They hypothesize what will occur as the can is placed in water and the magnet is lowered above it on a string. Students discover the phase shift...
Curated OER
Lenz's Law
Students conduct a series of experiments on electromagnetic induction. In this physics lesson, students apply the right hand rule to determine the current direction and electromotive force. They test Lenz's and Faraday's law by observing...
Curated OER
The Founder of Electromagnetism
Students identify and study the founder of electromagnetism. In this magnetism lesson students complete several experiments including building a galvanometer.
Curated OER
Take Charge!
Students induce an electrical charge on various objects, and experiment with electrical repulsion and attraction. They define related vocabulary, play Bingo and complete a take-home quiz.
Curated OER
WiTricity Explained
Learners explain how electricity is transferred from source to load without actual wires connecting the two. In this physics lesson, students explore how wireless electricity was discovered. They cite practical applications of this...
Curated OER
Faraday's Law of Induction
Students study Faraday's law of induction and the equations that show how to calculate electromagnetic induction. In this electromagnetic lesson students complete several experiments on the law of induction.
Curated OER
Transformers
Students examine how a transformer works and its practical applications. In this electricity lesson students complete several experiments using transformers and generators.
Curated OER
Legacies of El Dorado
Students explore the development of urban California as it was driven by the Gold Rush boom. They study historical documents and participate in a variety of hands-on activities designed to reinforce the concept of the lesson.
Curated OER
Biomedical Imaging
Students use guided questions and research to compare two biomedical imaging methods. they effectively present their findings to the class. Students use new technical knowledge to summarize and compare new techniques with those they...
TeachEngineering
Teach Engineering: Electricity and Magnetic Fields
The grand challenge for this legacy cycle unit is for students to design a way to help a recycler separate aluminum from steel scrap metal. In previous lessons, they have looked at how magnetism might be utilized. In this lesson,...
Science Education Resource Center at Carleton College
Serc: Investigating Motors and Magnetism
Students will build a simple DC motor out of metal coat hangers, a 24-guage wire armature and field magnet, 14-guage wire brushes, and build the motor so that it rotates when connected to a 10-volt DC power supply. Students will...
TeachEngineering
Teach Engineering: Electromagnets
For this activity, the students will complete the grand challenge and design an electromagnet to separate steel from aluminum for the recycler. In order to do this, students compare the induced magnetic field of an electric current with...