Teach Engineering
Ice, Ice, PV!
Knowing the temperature coefficient allows for the calculation of voltage output at any temperature. Groups conduct an experiment to determine the effects of temperature on the power output of a solar panel. The teams alter the...
National Institute of Open Schooling
Electrochemistry
In an electrolytic cell, electrical energy is converted into chemical energy, the exact opposite of a battery! Lesson 15 in a series of 36 explores electrochemistry. Participants begin by reading and discussing oxidation/reduction...
University of Notre Dame
Safe Science Lab Safety Awareness
Prepare young scientists for the ins and outs of lab safety with a thorough list of symbols, icons, and rules about staying safe during experiments. Additionally, the resource provides several assessment pages for kids to reflect on what...
Teach Engineering
Lighting in My Classroom Survey
How much energy does it take to light a room? Class members calculate the total wattage it takes to light the classroom. Through calculations, responsible scientists determine the cost of energy for the year, then figure out...
Wikimedia
Wikipedia: Electrical Conductivity
This is the encyclopedic entry for electrical conductivity from Wikipedia.com. The site provides a brief introduction to the topic but provides numerous links to information relative to the topic.
National High Magnetic Field Laboratory
Magnet Academy: Joseph John Thomson
Joseph John Thomson, better known as J. J. Thomson, was a British physicist who first theorized and offered experimental evidence that the atom was a divisible entity rather than the basic unit of matter, as was widely believed at the...
Wolfram Research
Wolfram Science World: Eric Weisstein's World of Physics: Electrical Conduction
A brief definition for what electrical conduction is. Also provides the definition for related terms.
Science Struck
Science Struck: Why Do Citrus Fruits Conduct Electricity?
Discover what it is about citrus fruits that enable them to conduct electricity, then make your own citrus fruit battery using the instructions given here.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Electric Generator Model
An electromagnetic induction model that simulates an electric generator made from a conducting loop rotating in a uniform magnetic field and connected to an ammeter.
Great Idea Finder
The Great Idea Finder: Electric Battery
A brief article from The Great Idea Finder.
Physics4kids
Physics4 Kids: Electricity and Magnetism: Conductors and Conductivity
A brief overview of several type of conductors.
University of California
University of California: Seawater Density & Salinity [Pdf]
Describes the properties of seawater and the variations depending on its location, e.g., near a shoreline, in an estuary, or as sea ice. Discusses the instruments scientists use to measure the density of water and explains other...
National High Magnetic Field Laboratory
Magnet Academy: Michael Faraday
A self-educated man with a brilliant mind, Michael Faraday was born in a hardscrabble neighborhood in London. Through the combination of insatiable curiosity and a powerful will to succeed, he transcended his austere beginnings to...
University of St. Andrews (UK)
University of St. Andrews: Insulators
The nature of insulators is described at the atomic level. Band gap theory is used to explain what distinguishes insulators from conductors.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Rail Gun Model
Simulate the movement of a rail gun in this interactive model. Learn how a magnetic field is generated by running electrical current through long rods that accelerates a current-carrying cross-rod.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Faraday Disk Dynamo Model
This simulation demonstrates a rotating conducting disk in a magnetic field which produces a current or a self-exciting dynamo.
Simon Fraser University
Chem1 Virtual Textbook: Metals, Insulators and Semiconductors
Acting as an overview from the General Chemistry Virtual Textbook, this site explores insulators in relation to metals and other semiconductors. Other topics include conduction band, dielectric breakdown, photoconductors, and more.
WebMD
Medicine Net: Electrolytes
"What are electrolytes?" Find the answer to this question and read information on potassium, chloride, hyperkalemia, and kidney disease.