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: Am I on the Radio?
During this activity, students create a working radio by soldering circuit components supplied from an AM radio kit. Since this activity is carried out in conjunction with the associated lessons concerning circuits and how an AM radio...
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...
TeachEngineering
Teach Engineering: Whose Field Line Is It, Anyway?
Students teams each use a bar magnet, sheet of paper and iron shavings to reveal the field lines as they travel around a magnet. They repeat the activity with an electromagnet made by wrapping thin wire around a nail and connecting...
TeachEngineering
Teach Engineering: Can You Resist This?
This lab demonstrates Ohm's law as students set up simple circuits each composed of a battery, lamp and resistor. Students calculate the current flowing through the circuits they create by solving linear equations. After solving for the...
TeachEngineering
Teach Engineering: The Electric and Magnetic Personalities of Mr. Maxwell
Students are briefly introduced to Maxwell's equations and their significance to phenomena associated with electricity and magnetism. Basic concepts such as current, electricity and field lines are covered and reinforced. Through...
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.
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,...
Howard Hughes Medical Institute
Hhmi: Biointeractive: The Virtual Neurophysiology Lab
Investigate the nervous system by looking at nerve cells in this virtual lab. This lab exercise allows students to experience a virtual dissection of a leech to use electronic equipment to explore the electrical activity of nerve cells....
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...
Biology Pages
Kimball's Biology Pages: Transport Across Cell Membranes
This site has information on how facilitated diffusion of ions takes place through proteins, or assemblies of proteins, embedded in the plasma membrane. Includes a helpful diagram.
Georgia State University
Georgia State University: Hyper Physics: Conservation of Energy
This site is from the Physics Department at Georgia State University. The conservation of energy as a fundamental conservation law is presented and compared to other conservation laws (momentum and angular momentum). Links to further...
National High Magnetic Field Laboratory
Magnet Academy: Stanley Transformer 1886
Applying discoveries Michael Faraday had made a few decades earlier, William Stanley designed the first commercial transformer for Westinghouse in 1886.
Physics Classroom
The Physics Classroom: Electric Potential Difference
This tutorial is devoted to an understanding of electric potential difference and its application to the movement of charge in electric circuits. Take the interactive quiz to assess your understanding.
Physics Classroom
The Physics Classroom: Journey of a Typical Electron
In the wires of electric circuits, an electron is the actual charge carrier. In this article, an electron's path through the external circuit is introduced.
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...
Khan Academy
Khan Academy: Q&a: Neuron Depolarization, Hyperpolarization, & Action Potentials
Khan Academy answers a question about hyperpolarization and depolarization with a written explanation and links to helpful videos.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Ejs Photoelectric Effect
Experience the photoelectric effect by choosing different light frequency, voltage, and metals to stop current from flowing in a circuit.
Concord Consortium
The Concord Consortium: Molecular Workbench: Charging Your Hair
Adjust the voltage on a Van der Graaff generator to see how the charges will affect a person's hair.
NBC
Nbc: How the Grid Powers a Continent
Read here about "The Grid," the largest machine ever built by humans. The Grid is he giant network of high-voltage power transmission wires that covers the entire United States and much of Canada.
Walter Fendt
Walter Fendt: Simple Ac Circuits
This simulation shows a simple circuit consisting of an AC voltage source and, depending on the button selected, a resistor, a capacitor or a coil.
Georgia State University
Georgia State University: Hyper Physics: Electric Potential Energy
This site from Georgia State University defines electric potential energy and relates it to the concept of electric potential. Discusses the idea of a reference point or a zero potential location.
Georgia State University
Georgia State University: Hyper Physics: Capacitors
Online university physics text called "Hyperphysics". Three sections here: Capacitors, Capacitor Combinations, Charge on Series Capacitors. These are nice clean lessons, good illustrations, many hotwords to assist. A fine online lesson,...
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