Students build a saltwater circuit, which is an electrical circuit that uses saltwater as part of the circuit. Students investigate the conductivity of saltwater, and develop an understanding of how the amount of salt in a solution...

The lesson will first explore the concept of current in electrical circuits. Current will be defined as the flow of electrons. Photovoltaic (PV) cell properties will then be introduced. This will lead to the principle of "Conservation of...

Using your knowledge of the flow of electricity, do you think you could build a switch that can complete a circuit to turn on an LED? This site contains the challenge, tips, a lesson plan, and a place for students to document their...

This highly informative site contains many resources and articles on electricity. A wealth of information about electricity can be found. This site also contains many FAQ's.

Kid's learn about the basic science of electricity. What is it and how it works.

The objective of this electricity and electronics science fair project is to build a dance pad that flashes lights when you step on it.

A teacher lesson plan which could be easily converted into an idea for a student project or presentation. Ideal for pre-high school students. This page describes an activity in which the history of electric circuits, the nature of...

For the teacher planning a lesson plan or for the student preparing for a project or presentation. This page describes an activity in which parallel and series circuits are constructed using batteries and bulbs. Complete activity...

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...

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...

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.

For this lesson, students actively investigate the differences between parallel and series circuits and how the brightness of bulbs is affected.

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...

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...

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.

This is a five-question quiz related to circuit elements of a simple defibrillator.

Practice calculating potential difference, resistance, and current for a component from a circuit diagram.

Practice identifying the correct placement of voltmeters and ammeters to measure an unknown circuit or electric potential difference for a circuit.

This interactive simulation guides you through the wiring of the standard breadboard and presents you with questions regarding voltage drops and currents in series resistive circuits.

Answer questions regarding voltage drops across resistors and currents through them in such circuits. Practice calculating the effective resistances of a set of resistances in series and parallel.

Review the key terms, equations, and skills related to Ohm's law, including how electric potential difference, current, and resistance are related.

Review how to find the equivalent resistance for resistors in parallel and series configurations. Recall the current and voltage properties of series and parallel configurations of resistors.

[Free Registration/Login may be required to access all resource tools.] Thermal conductors and insulators and the ways they are used.

Practice finding the equivalent resistance for parallel and series resistor configurations in this four-problem quiz.