National High Magnetic Field Laboratory
Magnet Academy: Alternating Current
Alternating current behaves differently, depending on what components are in a circuit.
South Carolina Educational Television
Know It All: Understanding Electricity | Nasa Online
If you want to understand electricity, you first need to know a little about matter, atoms and electrons.
Massachusetts Institute of Technology
Mit: Open Course Ware: Current, Resistance, and Power
Learners investigate current, resistance, and power. Some topics explored in the activities are Ohm's law, electrical power, and solving circuits. The resource consists of video clips, lecture notes, online textbook chapters, exam...
Physics Aviary
Physics Aviary: Simple Circuit Lab
This lab is designed to have students investigate the relationships between voltage, resistance and current in a circuit with only one passive component. The batteries in this simulation can be varied from ideal batteries to batteries...
Physics Aviary
Physics Aviary: Rl in Ac Lab
This lab was designed to help students understand the difference between circuits powered by DC and circuits powered by AC. Students can see that simple changes in frequency lead to changes in the potential difference across the...
TeachEngineering
Teach Engineering: Circuits
Students are introduced to several key concepts of electronic circuits. They learn about some of the physics behind circuits, the key components in a circuit and their pervasiveness in our homes and everyday lives. Students learn about...
Khan Academy
Khan Academy: Using Voltmeters & Ammeters to Measure Potential Diff and Current
Practice identifying the correct placement of voltmeters and ammeters to measure an unknown circuit or electric potential difference for a circuit.
Concord Consortium
Concord Consortium: Troubleshooting Breadboard Circuits
Try these SPARKS troubleshooting breadboard circuit challenges.
TeachEngineering
Teach Engineering: Electrifying the World
This instructional activity introduces students to the fundamental concepts of electricity. This is accomplished by addressing questions such as "How is electricity generated," and "How is it used in every-day life?" The instructional...
TeachEngineering
Teach Engineering: Designing a Thermostat
Students investigate circuits and their components by building a basic thermostat. They learn why key parts are necessary for the circuit to function, and alter the circuit to optimize the thermostat temperature range. They also gain an...
Science4Fun
Science4 Fun: Resistors, Capacitors, and Inductors
Electric circuits are used to provide a path to electric current. They commonly use three basic electrical components, which are resistors, capacitors, and insulators. They affect the electric current and changes the behavior of the...
BBC
Bb Ci Schools: Revisewise Science Electricity
This lesson provides an interactive activity on electrical circuits along with a information sheet and a practice test.
Learn AP Physics
Learn Ap Physics: Physics B: Circuits
A site dedicated to help students prepare for the AP Physics B test. This specific site reviews circuits including current, resistance, power, Ohm's law, batteries, DC circuits, transformers, and car coils. Site contains links to video...
Boston University
Elementary Physics: Current and Resistance
A general summary of electrical resistance including a comparison of AC and DC current.
Physics Aviary
Physics Aviary: Series Circuit Lab
This lab is designed to have students investigate the relationships between voltage, resistance and current in a series circuit with up to three passive components. The batteries in this simulation can be varied from ideal batteries to...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Electric Currents and Circuits
This cooperative learning activity for intermediate to junior high students has them create various electrical circuits in order to understand electricity.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Resistances in Series and Parallel Circuits
A teacher lesson plan is provided here. This page describes two activities in which the effect of multiple resistors on the current and overall resistance of both series and parallel circuits are investigated. Complete activity...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Simple Circuitry and Series Circuit
A teacher lesson plan which could be easily converted into an idea for a student project or presentation. This page describes an activity in which the basic nature of a circuit and the concepts of a series circuit are investigated....
TeachEngineering
Teach Engineering: Circuits and Magnetic Fields
In this activity, students use the same method as in the activity from lesson 2 to explore the magnetism due to electric current instead of a permanent magnet. Students use a compass and circuit to trace the magnetic field lines induced...
CK-12 Foundation
Ck 12: Physics Simulation: Flashlight
[Free Registration/Login Required] Learn about electric circuits, the flow of current, electrical resistance, and electrical power dissipation by exploring the operation of a flashlight using this interactive simulation. A PDF worksheet...
Concord Consortium
Concord Consortium: How Do Breadboards Work?
See how a breadboard electrical circuit works.
National High Magnetic Field Laboratory
Magnet Academy: Wheatstone Bridge 1843
Read about the device used for measuring resistance in a circuit which was discovered in 1843, but had been invented a decade earlier. The inventor's name was not Wheatstone.
Science Buddies
Science Buddies: Sliding Light: How to Make a Dimmer Switch With a Pencil
In this electronics science fair project, students will make a simple dimmer switch and investigate the relationship between the resistance in the circuit and the amount of light produced. The Science Buddies project ideas are set up...
Khan Academy
Khan Academy: Dc Circuit and Electrical Power Review
Review the components of a circuit and their symbols such as battery, resistor, and switch. Analyze how the power of a resistor is related to the current and electric potential difference across the resistor.