TeachEngineering
Teach Engineering: Put a Spark in It! Electricity
Uncountable times every day "with the merest flick of a finger"each one of us calls on electricity to do our bidding. What would your life be like without electricity? Students begin learning about electricity with an introduction to the...
Khan Academy
Khan Academy: Electric Potential Difference and Ohm's Law Review
Review the key terms, equations, and skills related to Ohm's law, including how electric potential difference, current, and resistance are related.
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...
Georgia State University
Georgia State University: Hyper Physics: Resistor Combinations
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.
Upper Canada District School Board
Tom Stretton's Chemistry Pages: Electric Circuits
Learn the voltage formula for determining a measure of current electricity in this illustrated presentation.
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.
Sophia Learning
Sophia: Electric Circuits: Lesson 2
This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 2 of 4 in the series titled "Electric Circuits."
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."
Ducksters
Ducksters: Physics for Kids: Electricity Glossary and Terms
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.
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.
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.
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.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Resistances in Series and Parallel Circuits
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...
Khan Academy
Khan Academy: Electrical Engineering: Circuit Analysis
Circuit analysis is the process of finding all the currents and voltages in a network of connected components. We look at the basic elements used to build circuits, and find out what happens when elements are connected together into a...
TeachEngineering
Teach Engineering: Keep It Moving! From Electrons to Electric Motors
Students act as engineers to apply what they know about how circuits work in electrical/motorized devices to design their own battery-operated model motor vehicles with specific paramaters. They calculate the work done by the vehicles...
Science Buddies
Science Buddies: Project Ideas: Which Materials Are the Best Conductors?
A simple science fair project to test whether electricity can flow between two things. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed by a section on terms,...
TeachEngineering
Teach Engineering: Two Cell Battery
In this hands-on activity, students build their own two-cell battery. They also determine which electrolyte solution is best suited for making 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...
TeachEngineering
Teach Engineering: Sensing Air Pollution
Students learn about electricity and air pollution while building devices to measure volatile organic compounds (VOC) by attaching VOC sensors to prototyping boards. In the second part of the activity, students evaluate the impact of...
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.
NC State University
The Engineering Place: Battery Making
Using simple materials, students will learn how to create batteries, and about the relationship between voltage and current.
Physics Aviary
Physics Aviary: Practice Problems: Internal Resistance of Battery Problem
Determine the internal resistance of a battery based on the graph of terminal voltage vs. current. Also find the maximum current and the electrochemical potential.
Physics Aviary
Physics Aviary: Ohm's Law
This lab is designed to have students investigate the relationships between voltage, resistance and current in a circuit with only one passive component. This version of the lab requires students to read analog meters to get the voltage...