Exploratorium
Eddy Currents
Make electromagnetic eddy currents evident with this demonstration. You will need to gather a few materials from the local hardware store and a strong neodymium magnet, but the visual value is well worthwhile.
Curated OER
Motion and Forces
Eighth graders define the terms: magnetism, poles, compass, magnetic field, lines of force, electromagnet. They name two properties shared by all magnets and describe how one magnet will affect another.
Curated OER
Electromagnets: Winding Things Up!
Students 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...
Colorado State University
What Makes a Gas, a Greenhouse Gas?—The Carbon Dioxide Dance
Investigate a heated topic in environmental science. Scholars team up to play the parts of gas molecules in the atmosphere. As the teacher moves about, acting as the electromagnetic wave, learners react as their molecules would to the...
Curated OER
Design Project: DC Motor
In this DC motor instructional activity, the learner answers 3 open-ended questions pertaining to the design of a DC motor. The instructional activity is printable and the answers are revealed online.
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
Fun with Electromagnets
Junior scientists work in groups to construct electromagnets. They experiment by varying number of wraps around the nail, the diameter of the nail, and the type of metal the nail is made of to see if any of these factors has an effect on...
Curated OER
Detecting Disease
In this detecting disease activity, students will review the different tools scientists use to identify diseases including the steps of Koch's postulates. This activity has 14 fill in the blank and 4 short answer questions.
Curated OER
Reed Switch
Students build simple electromagnetic reed switch motors. For this physics lesson, students explain how it works. They cite real world applications of reed switches and relays.
LABScI
Circuits Lab: Lightbulbs
Electrons flow from negative to positive, but the general consensus is that current flows from positive to negative. Scholars explore current through construction of circuits in both series and parallel. The focus is on voltage,...
It's About Time
AC and DC Currents
An informative physics lesson includes two teacher demonstrations, one on AC currents and the other on DC currents, allowing pupils to take notes while watching. The resource includes questions to assign as homework or during class...
Curated OER
Orienteering - The Fundamentals
Students investigate the concept of a compass and it has been used in the past and in modern times. They practice using it in the wilderness in order to test its importance in various exploring activities. Each activity is accompanied by...
Curated OER
The Invention of Faraday Cage
Students demonstrate how Faraday's cage work by building their own electroscope. In this physics lesson, students explain how Faraday's cage work. They cite several applications of this principle in the real world.
Curated OER
Jupiter's "Monstrous" Magnetosphere
Young scholars explore Jupiter's magnetosphere. In this Jupiter lesson, students examine a diagram of the magnetic field that surrounds Jupiter.
Curated OER
Patterns, Functions, and Algebra: Wired for Space
Students assess how patterns, functions and algebra can assist NASA engineers design new ways of propelling spacecrafts. They explore how electricity and magnetism are replacing the fuel-consuming rocket propulsion. Electromagnetism is...
Curated OER
WAVES AND PHOTONS
Learners examine the many types of electromagnetic waves, the concept of an EM wave, how James Clerk Maxwell proposed a slight modification of the equations of electricity, Heinrich Hertz and his radio-frequency, wavelengths, and light...
Curated OER
Phasor Mathematics
In this mathematics learning exercise, students solve 13 questions on series, factorial, phase mathematics and calculus. They define what phasor means.
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
Transformers
Students examine how a transformer works and its practical applications. In this electricity activity students complete several experiments using transformers and generators.
It's About Time
Electromagnets
Young scientists build their own electromagnet and test it by picking up paperclips. Analysis questions evaluate knowledge at the end of the activity.
Curated OER
AC Waveforms
In this AC waveforms worksheet, students answer ten questions about AC voltage, frequencies of waveforms and they interpret diagrams of AC voltage.
Curated OER
Effects of the Sun on Our Planet (Grades 9-12)
Students examine the Earth's magnetosphere and observe the effects of the sun's energy on it. They discover the difference between true north and magnetic north. They also explore how solar cells convert solar energy to electricity.
Curated OER
Build a Simple Ammeter
Students build and work with a simple ammeter to test theories on why solar cells connected in parallel produce more current that in series. Students use the ammeter to indicate the presence, direction, and strength of an electric...
Curated OER
Multivariable Calculus/ Bonus Quiz 11
In this math worksheet, students practice finding the solutions to the problems that focus upon the differential operators of vector fields.