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 Buddies
Science Buddies: Build a Reed Switch Motor
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,...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Charges and Fields
Move point charges around on the playing field and then view the electric field, voltages, equipotential lines, and more. It's colorful, it's dynamic, it's free.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Ohm's Law
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...
Georgia Department of Education
Ga Virtual Learning: Ap Physics 1: Electric Circuits
In this unit students discover the meaning and some applications of electric potential, commonly known as voltage, and how it powers some simple circuits.
TeachEngineering
Teach Engineering: Exploring Solar Power
This unit provides students the opportunity to explore methods engineers have devised for harnessing sunlight to generate power. Students will initially explore heat transfer and heat storage through the construction, testing, and...
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.
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.
CK-12 Foundation
Ck 12: Internal Resistance of a Battery
[Free Registration/Login may be required to access all resource tools.] Batteries have both an ideal internal voltage and a terminal voltage, which is less due to internal resistance. This lesson presents sample problems and a video...
Physics Aviary
Physics Aviary: Read the Oscilloscope Challenge
Practice reading an oscilloscope. Students must achieve a score or 10 or more. At the end students should be able to get frequency, period, voltage and peak to peak voltage.
Texas Instruments
Texas Instruments: Discovering Ohm's Law
In this activity, students use voltage and current probes to investigate Ohm's Law. The students collect data and use their graphing calculators to perform data analysis and "discover" Ohm's Law.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Rc Circuit Model
An electrical circuit simulation modeling the behavior of a voltage source attached in a series to a resistor and capacitor.
Other
Easyphysics: Chapter 13 Current Electricity
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.
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.
National High Magnetic Field Laboratory
Magnet Academy: Lissajous Figures on an Oscilloscope
This Java tutorial is a three-dimensional simulation of a cathode ray oscilloscope producing Lissajous figures as it compares sinusoidal voltages.
Computer Hope
Computer Hope: Information About Computer Power Supplies
Informative site that explains the use of computer power supplies, including power supply form factors, power management, power supply connections, checking voltage levels, power supply connectors, power definitions and power supply...
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.
Concord Consortium
Concord Consortium: Measuring Time and Frequency
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.
Texas Instruments
Texas Instruments: Electrolytes: Which Liquid Produces the Most Volts?
In this activity, students' will use a Voltage Sensor to measure the voltage produced by an electrolyte. They will understand that acids and bases are electrolytes and compare voltages of acids to the voltages of bases. Students' will...
Texas Instruments
Texas Instruments: You'll Get a Charge Out of This!
In this activity, students make a battery using different fruits and vegetables, a copper penny, and a zinc washer. They use a voltage probe to collect data on voltage and compare the values of different batteries.
Texas Instruments
Texas Instruments: Energy From Foods: Part I
In this activity, students' will use fruits and vegetables to make an electrochemical cell and develop an understanding of how an electrochemical cell works. They will use a voltage sensor to determine which fruits and vegetables produce...
Texas Instruments
Texas Instruments: Lemon "Juice"
"Juice" is a slang term sometimes used for electricity. Batteries are made up of one or more cells. Cells often consist of two different materials in a solution that are connected to each other by a wire. In this experiment, you will...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Electron Current Flow
A teacher lesson plan which could be easily converted into an idea for a student project or presentation. This page describes an activity in which the water-electricity analogy is used to investigate the relationship between current,...
Science Education Resource Center at Carleton College
Serc: Investigating Batteries: Building an Electrolytic Cell
For this inquiry, students will attempt to build an electrolytic cell which will cause a bulb to turn on then diagram the set-up. Included in this lab, students will experience voltage, solve a problem using the Nernst equation, and...
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