National High Magnetic Field Laboratory
Magnet Academy: Alternating Current
Alternating current behaves differently, depending on what components are in a circuit.
Exploratorium
Exploratorium: Science Snacks: Modulated Coil
Can you hear a magnet? In this activity you will be able to transfer the sound from your iPhone, iPod or radio to a cassette-tape player.
Other
How to smile.org: Build a Wind Turbine
A step-by-step guide to build a wind turbine. Using their wind turbine, students test how much energy is created by using a variety of wind blades and wind speeds.
Famous Scientists
Famous Scientists: Hans Christian Oersted
Learn how Hans Christian Oersted's discoveries in electricity led him to discover electromagnetism.
TeachEngineering
Teach Engineering: Completing the Circuit
In the everyday electrical devices we use - calculators, remote controls and cell phones - a voltage source such as a battery is required to close the circuit and operate the device. In this hands-on activity, students use a battery,...
TeachEngineering
Teach Engineering: Building an Electromagnet
Student teams investigate the properties of electromagnets. They create their own small electromagnet and experiment with ways to change its strength to pick up more paper clips. Students learn about ways that engineers use...
TeachEngineering
Teach Engineering: Get Your Motor Running
Students investigate motors and electromagnets as they construct their own simple electric motors using batteries, magnets, paper clips and wire.
TeachEngineering
Teach Engineering: Electrons on the Move
Students learn about current electricity and necessary conditions for the existence of an electric current. Students construct a simple electric circuit and a galvanic cell to help them understand voltage, current and resistance.
CK-12 Foundation
Ck 12: Physical Science: Electromagnetism
[Free Registration/Login may be required to access all resource tools.] Defines what electromagnetism is and its uses, and the right hand rule.
CK-12 Foundation
Ck 12: Physical Science: Electric Power and Electrical Energy Use
[Free Registration/Login may be required to access all resource tools.] Electric power and electric energy use of appliances and how to calculate them.
CK-12 Foundation
Ck 12: Chemistry: Electrons
[Free Registration/Login may be required to access all resource tools.] Explains the determination of properties of the electron.
CK-12 Foundation
Ck 12: Physical Science: Electromagnet
[Free Registration/Login may be required to access all resource tools.] Explores what an electromagnet is, its strength, and how it can easily be turned on and off.
CK-12 Foundation
Ck 12: Physical Science: Electronic Signal
[Free Registration/Login may be required to access all resource tools.] Covers electronic signal, how an electric current can be used to send an electronic message, what analog and digital signals are, and the difference between them.
PBS
Pbs: Rough Science: Island Power Plant
Learn how to create electricity and your own electrical gadgets! Site provides users with information on how to make a battery, flashlight, buzzer an electric motor.
Science Struck
Science Struck: Electromagnetic Energy and Why It Is Important
Explains what electromagnetic energy is, the history of its discovery, some terms used when talking about it, and gives some facts about it.
BBC
Bbc: Gcse Bitesize: Electric Circuits
Current transfers energy around circuits. Circuit components have various properties that can be measured and then used to make circuits for control and also circuits for testing other components.
Physics Classroom
The Physics Classroom: Electric Current
This tutorial introduces the concept of electric currents. Take the interactive quiz to assess your understanding.
BBC
Bbc: Gcse Bitesize: Electric Circuits Aqa
This lesson focuses on Electrical circuits including standard symbols for electrical components, a list of components and what they do, a discussion of various types of resistors, and alternating current and direct current. Links to a...
BBC
Bbc: Gcse Bitesize: What Is Electric Charge? Ocr 21 C
This lesson focuses on electric charges. Electric current is the flow of electric charge. Some insulating materials become electrically charged when they are rubbed together. A substance that gains electrons becomes negatively charged,...
Famous Scientists
Famous Scientists: Andre Marie Ampere
Learn about Andre Marie Ampere, one of the founders of the science of classical electromagnetism, which he referred to as electrodynamics.
Concord Consortium
Concord Consortium: Electricity (Intermediate)
Explore how electricity works in this module. (Requires Java)
Discovery Education
Discovery Education: Build Your Own Perpetual Motion Machine [Pdf]
A lesson for students to explore the conversion of energy from electrical energy to kinetic energy by constructing a homopolar motor. Also by constructing the motor, students can investigate magnetism, electricity, and RPM.
CK-12 Foundation
Ck 12: Physical Science: Electric Conductors and Insulators
[Free Registration/Login may be required to access all resource tools.] Explores electrical conductors and insulators and the path of least resistance.
CK-12 Foundation
Ck 12: Physical Science: Electromagnetic Induction
[Free Registration/Login may be required to access all resource tools.] Covers what electromagnetic induction is, how it occurs, the current produced from it, and how it is used.