Concord Consortium
Concord Consortium: Stem Resources: Electric Current
In this interactive, students can explore how current, voltage, and resistance are related in a model showing the flow of electrons in an electric circuit. They will learn about Ohm's law and how other forms of energy can be made from...
CK-12 Foundation
Ck 12: Ohm's Law
[Free Registration/Login may be required to access all resource tools.] For this lesson, students learn about the invention of the battery and how a battery works, and about resistance in an electrical circuit. As well, Ohm's Law is used...
Concord Consortium
Concord Consortium: Finding Voltage With Ohm's Law
Use this tutorial to find the voltage in an electrical current with Ohm's Law.
TeachEngineering
Teach Engineering: From Sunlight to Electric Current
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...
National High Magnetic Field Laboratory
Magnet Academy: Georg Ohm
Georg Simon Ohm had humble roots and struggled financially throughout most of his life, but the German physicist is well known today for his formulation of a law, termed Ohm's law, describing the mathematical relationship between...
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...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Ohm's Law
For the teacher planning a lesson 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.
Concord Consortium
Concord Consortium: Calculating Voltage in Series Circuits
See how Ohm's Law can tell us that the voltage across resistors will depend on that current value I and each R-value.
Concord Consortium
Concord Consortium: Total Resistance for Resistors in Parallel
See how this application of Ohm's Law leads to a formula for the total of parallel resistances.
TeachEngineering
Teach Engineering: Electrons on the Move
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.
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,...
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...
Boston University
Elementary Physics: Current and Resistance
A general summary of electrical resistance including a comparison of AC and DC current.
TeachEngineering
Teach Engineering: Hands on Activity: Designing a Thermostat
By building a basic thermostat, students will explore basic circuitry and electricity. The thermostat built out of a breadboard, temperature sensor chip, amplifier, and battery creates a linear relationship between temperature of the...
TeachEngineering
Teach Engineering: Bulbs & Batteries Side by Side
We are surrounded everyday by circuits that utilize "in parallel" and "in series" circuitry. Complicated circuits designed by engineers are made of many simpler parallel and series circuits. In this hands-on activity, students build...
Science Buddies
Science Buddies: Build Your Own Windmill Generator
Build your own windmill and see how the wind can be converted into energy to produce electricity. This science fair project should help you understand the use of wind as a source of alternative energy. The Science Buddies project ideas...
Concord Consortium
Concord Consortium: Total Resistance for Resistors in Series
Use the tutorial to find the total resistance for resistors in a series circuit.