This simulation shows a simple circuit consisting of an AC voltage source and, depending on the button selected, a resistor, a capacitor or a coil.

This simulation is about an oscillatory electromagnetic circuit formed by a capacitor and an inductor.

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...

[Free Registration/Login Required] Learn about different ways you can wire an electric circuit, and how the brightness of the lights depends on how they are configured using this interactive simulation. A PDF worksheet and a video...

Students in this activity will build simple circuits using a battery, wires, and light bulbs. This activity allows students to examine how electricity is conducted through a light bulb using a battery as a power source. Students will...

Students engage in an interactive "hot potato" demonstration to gain an appreciation for the flow of electrons through a circuit. Students role play the different parts of a simple circuit and send small items representing electrons...

As part of a unit on electrical circuits, students will work in collaborative groups to create a video of how to construct parallel and series circuits. This lesson plan was created as a result of the Girls Engaged in Math and Science...

[Free Registration/Login Required] Learn about the analysis of parallel circuits in the context of a realistic household circuit using our interactive simulation. A PDF worksheet and a video tutorial are also available. [3:24]

Explains the design of two circuits that can flash an LED from a single 1.5V battery. A typical LED needs 2-3V to work properly and both these circuits include a voltage doubler to boost the voltage to drive the LED. Both circuits will...

Students gain an understanding of the difference between electrical conductors and insulators, and experience recognizing a conductor by its material properties. In a hands-on activity, students build a conductivity tester to determine...

Everyday we are surrounded by circuits that use "in parallel" and "in series" circuitry. Complicated circuits designed by engineers are composed of many simpler parallel and series circuits. During this activity, students build a simple...

Students are introduced to the idea of electrical energy. They learn about the relationships between charge, voltage, current and resistance. They discover that electrical energy is the form of energy that powers most of their household...

This extension to the Ohm's Law I activity, students will observe just how much time it takes to use up the "juice" in a battery, and if it is better to use batteries in series or parallel.

This investigation has students investigating and measuring the decay of batteries as their electric charges are used up in circuits.

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 water-electricity analogy is used to investigate the relationship between current,...

This digital textbook covers core physics concepts and includes interactive features, real world examples, videos, and study guides.

[Free Registration/Login Required] Learn about how capacitances add up in series and parallel by exploring the physics behind a touch-screen device using this interactive simulation. A PDF worksheet and a video tutorial are also...

[Free Registration/Login Required] The teacher will use this lesson plan flipchart to review circuits. This unit consolidates Children's knowledge of materials which are electrical conductors, extends understanding of ways in which the...

This site outlines a lab dealing with Alternating Current Series Circuit. It includes graphs and formulas, and a list of questions associated with the lab.

Gross. What is that in the toilet? But maybe it's not just gross. Did you know there are bacteria that digest organic waste and create electrons? What if there was a way to collect those electrons to power a circuit? In this science fair...

James Prescott Joule experimented with engines, electricity and heat throughout his life. Joule's findings resulted in his development of the mechanical theory of heat and Joule's law, which quantitatively describes the rate at which...

At this site from Georgia State University parallel and series connections of resistors are explained and illustrated. Equations for computing the overal voltage, current, and resistance of such circuits are given and explained.

Straightforward introduction to electrical circuits using minimal materials and time. Students learn about the basics of electrical circuits by experimenting with "mystery cards" -- index cards with hidden aluminum foil used to conduct...

A hands-on lesson for helping students understand simple circuits, series circuits, and parallel circuits, and the differences between the three.