Teach Engineering
Induced EMF in a Coil Wire
Small groups investigate the interaction between a coil of wire and a magnet to create an electromagnetic field and observe the voltage they create. Through further interactions, they realize a conductor can be charged from the...
Curated OER
Physics 152 Fall 2004 Final Exam, Parts A, B, C, D
At the end of a general physics course focused on light and electricity, you can administer this exam. Concepts covered include electromagnetism, circuits, induction, light rays, lenses and mirrors, characteristics of light, electron...
Curated OER
Magnetic Fields, Magnetic Forces, and Electromagnetic Induction Sample Problems
After high schoolers have learned about electromagnetic induction, they can solve these 10 practice problems. They calculate magnetic field strength, magnetic force, electromotive force, and output voltage. This is a choice option as a...
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
Electromagnetism
Students explore the generation of magnetic fields from currents in wires and measure the magnetic field directions. They measure magnetic fields in their own environment. They also examine how moving magnetic fields can create currents.
Curated OER
Electromagnetic Induction
Students are introduced to the topic of electromagnetic induction. In groups, they describe ways in which the magnetic flux can change and discuss emf and current. They use different scientists laws and apply it to various scenerios in a...
Bowels Physics
Electric Circuits
Investigate the construction of the electric circuit with a thorough presentation that provides a solid background for each type of circuit. After introducing key vocabulary, the lesson goes on to explain circuit design.
Cornell University
Characterizing a Solar Cell
Young classes are sure to get a charge out of this lesson! Learners experiment with circuits of a solar cell. They practice determining current, voltage, and power for the circuit and maximize the voltage and current of the cell.
National Institute of Open Schooling
Electrochemistry
In an electrolytic cell, electrical energy is converted into chemical energy, the exact opposite of a battery! Lesson 15 in a series of 36 explores electrochemistry. Participants begin by reading and discussing oxidation/reduction...
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 instructional activity that asks teachers to provided the material needed so the pupils can understand the properties of...
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
Electrochemistry
In this redox worksheet, students answer 8 questions. They use a diagram of a Galvanic cell to answer questions as well as write balanced equations and solve problems.
Curated OER
Chem 152-Electrochemistry
In this electrochemistry activity, students solve a variety of problems including identifying parts of oxidation and reduction reactions, writing balanced equations for galvanic cells, determining free energy and equilibrium constants...
Curated OER
DC Motor Theory
In this physics activity, high schoolers solve 12 problems on DC motor circuit. They make predictions and construct the corresponding circuit to verify if they are correct.
Curated OER
Magnetic Field
Students explore how compass and Gauss meter detect a magnetic field. In this physics lesson, students build their own Gauss meter and sensor based on given procedure. They cite real world applications of magnetism.
Curated OER
Redox/Electrochemistry Review Questions
In this redox review worksheet, students determine the balanced net cell reaction, calculate the value of the equilibrium constant, and write the balanced net ionic equation for reactions. This worksheet has 13 problems to solve.
Curated OER
Electrochemistry Sample Problems 2
In this electrochemistry worksheet, students determine the half reaction and the standard cell potential. Students identify the species that is the strongest oxidizing agent. This worksheet has 11 problems to solve.
Curated OER
Transformers
Young scholars examine how a transformer works and its practical applications. In this electricity instructional activity students complete several experiments using transformers and generators.
Curated OER
Basic Electric Circuits
Students calculate the resistance across a bank of resistors in a series, parallel and combined circuit. Using new vocabulary words, they define and describe them in a scientific manner. After stating Ohm's Law, they solve electrical...
Curated OER
Electric Current and Resistance
Students are introduced to the topics of electric currents and resistance. In groups, they distinguish the difference between conventional and electron flows and state Ohm's Law for electrical components. They calculate the resistance of...
Curated OER
Induction: Inquiry in Action
Learners 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...
World Health Organization
World Health Organization: International Emf Project
The World Health Organization probes into the feared associations between electromagnetic fields (EMFs) and cancer. Check out "What is EMF?" for detailed summaries on what electromagnetic fields are and the possible health effects, or...
TeachEngineering
Teach Engineering: Induced Emf in a Coil of Wire
Students use a simple set up consisting of a coil of wire and a magnet to visualize induced EMF. First, students move a coil of wire near a magnet and observe the voltage that results. They then experiment with moving the wire, magnet,...
National High Magnetic Field Laboratory
Magnet Academy: Emf in Inductors
Electromotive Force (EMF) and its sidekick, back EMF, are interesting electromagnetic phenomena that aren't really forces at all. (Java tutorial)