Sophia Learning
Sophia: Electric Circuits: Lesson 4
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 4 of 4 in the series titled "Electric Circuits."
ClassFlow
Class Flow: Electricity
[Free Registration/Login Required] Students can use this Flipchart to learn and apply Ohm's law to basic circuitry problems. Students are introduced to the relationship among voltage, current, and resistance, and then apply their newly...
Science4Fun
Science4 Fun: Ohm's Law
Brief explanation of Ohm's Law which provides the relationship between current, voltage, and resistance.
CK-12 Foundation
Ck 12: Physics: Electrical Systems Study Guide
A study guide covering electrical systems.
Physics Aviary
Physics Aviary: Capacitor Charging Through a Resistor in Dc Lab
This lab is designed to have students investigate the factors that affect the rate at which a capacitor charges. Students can change the resistance and capacitance in the circuit and monitor the current, voltage and charge on the...
Other
Need: Measuring Electricity [Pdf]
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.
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,...
University of Guelph
University of Guelph: Physics Tutorials: Dc Circuits: Resistors in Series
Explains and illustrates the meaning of series connections. Discusses the voltage-current-resistance relationships for series connections of resistors. An example problem on series calculations can be accessed from this page.
Famous Scientists
Famous Scientists: Georg Ohm
Find out about the German physicist and mathematician whose work in the field of electrical current shaped the study of electricity.
CK-12 Foundation
Ck 12: Resistors in Series and Parallel
[Free Registration/Login may be required to access all resource tools.] The differences between series and parallel circuits are highlighted. Provides an in-depth look at how to solve problems about circuits and resistors. Includes a...
Physics Classroom
The Physics Classroom: Current Electricity: Circuit Connections: Series Circuits
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...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Battery Resistor Circuit
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...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Ohm's Law
For the teacher planning a instructional activity or for the student preparing for a project or presentation. This page describes a series of simple activities related to the voltage-current-resistance relationship.
Other
Univ.of Delaware: Real Batteries and Battery Testers
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.
Ducksters
Ducksters: Physics for Kids: Ohm's Law
Kids learn about Ohm's law in the science of electricity and physics including current, resistance, voltage, example problems, and V=IR.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Ohm's Law?
Explains Ohm's Law which is the mathematical relationship between electric current, resistance, and voltage.
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...
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...
Science Buddies
Science Buddies: Put Some Energy Into It! Use a Calorimeter to Measure
In this science fair project, use a calorimeter with an attached heating element to measure how water responds to added thermal energy.
Science Struck
Science Struck: A Comprehensive List of All the Physics Formulas
Provides a long list of physics formulas for easy reference.
Khan Academy
Khan Academy: Resistors in Series and Parallel Review
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.
Physics Aviary
Physics Aviary: Rc Circuit Lab
This lab is designed to have students investigate the factors that affect the rate at which a capacitor discharges. Students can change the resistance and capacitance in the circuit and then monitor the discharging of the capacitor....
University of Guelph
University of Guelph: Physics Tutorials: Dc Circuits: Resistors in Parallel
Explains and illustrates the meaning of parallel connections. Discusses the voltage-current-resistance relationships for parallel connections of resistors. An example problem on parallel calculations can be accessed from this page.
Physics Aviary
Physics Aviary: Power of a Light Bulb
This lab is will allow students to vary the resistance of a light bulb and the voltage difference across a light bulb. They will be able to see how these two factors affect the current through the light bulb and the power used by the...