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 lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 3 of 4 in the series titled "Electric Circuits."

This site details many of the ways in which to measure electricity. Among the topics covered by this page is resistance and voltage as well as electrical energy and Ohm's Law.

[Free Registration/Login Required] Explore a different way of thinking about electricity as a way to become familiar with the concept of potential, current, and resistance using this interactive simulation. A PDF worksheet and a video...

The core of this lesson is simple circuits and the differences between parallel and series circuit design. Students perform experiments to test the differences between the two circuit designs using low voltage light bulbs.

Students use potatoes to light an LED clock (or light bulb) as they learn how a battery works in a simple circuit and how chemical energy changes to electrical energy. As they learn more about electrical energy, they better understand...

See how Ohm's Law can tell us that the voltage across resistors will depend on that current value I and each R-value.

Learners investigate current electricity. Some topics examined are voltage law, Ohm?s law, and electric resistance. The resource includes example problems with solutions and a chapter quiz.

Determine the voltage of the battery based on the colors of the resistors and the current in a combination circuit.

Measuring voltage drops across resistances in series-parallel circuits requires an understanding of both series and parallel circuit behavior. Learn more with this tutorial.

Use the series and parallel resistance formulas to determine the total resistances of the parts. Then, use Ohm's Law to calculate the voltage drops across each part.

When two or more electrical devices in a circuit can be connected, it is considered a series connection or a parallel connection. When all the devices are connected using series connections, the circuit is referred to as a series...

Determine the resistance of a wire based on its composition and its physical dimensions. Find the current that would flow through the wire when the wire is connected to a certain voltage.

Use resistance formulas to determine the total resistances of the series and parallel parts. Then, use Ohm's Law to calculate the voltage drops across and currents through each part.

The voltage in AC circuits oscillates at a rate known as the frequency. With an oscilloscope, see and measure the length of time between signals, and calculate the frequency of an AC signal.

Explains what an LCR meter is and how it is used to measure the inductance, capacitance, and resistance of a circuit. Lists the different parameters of a circuit that it measures, describes two types of LCR meters, and gives definitions...

Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow through the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor temperature change. Java...

A discussion of various principles related to voltage. The operation of battery testers and voltmeters are explained. The importance of the internal resistance of a power source is discussed.

Kids learn about electricity glossary and terms in the science of physics. Words and definitions you need to know such as current, voltage, resistance, and more.

Take this 10 question multiple choice quiz on electricity and magnetism.

Informational fact sheet on electricity with emphasis on electric and magnetic fields.

An interactive simulation that teaches about Ohm's Law, circuits, and current by observing how adjusting the voltage and resistance changes current according to Ohm's Law. This simulation can either be downloaded or played online and...

In this unit students discover the meaning and some applications of electric potential, commonly known as voltage, and how it powers some simple circuits.

After building a simple electric motor from a kit, with this experiment you can explore how voltage affects motor speed. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction,...