BioEd Online
Bio Ed Online: Neural Network Signals
Nervous system messages are sent as electrical signals along the length of axons and dissolved salts are important for electrical signaling in cells. In this lesson students are introduced to this concept by creating an electrical...
TeachEngineering
Teach Engineering: Saltwater Circuit
Students build a saltwater circuit, which is an electrical circuit that uses saltwater as part of the circuit. Students investigate the conductivity of saltwater, and develop an understanding of how the amount of salt in a solution...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Band Structure
Explore the origin of energy bands in crystals of atoms. The structure of these bands determines how materials conduct electricity. Java required.
National Geographic
National Geographic: Building Circuits
In this lesson, students build series and parallel circuits and test their conductivity. Includes handouts with diagrams, and a vocabulary list with definitions.
Georgia Department of Education
Ga Virtual Learning: Currents, Resistors, and Power
In this interactive tutorial students will learn about electric current, resistance and current density. Learn how current density relates to electric field strength and how resistance produces heat.
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...
Exploratorium
Exploratorium: Science Snacks: Charge and Carry
This site from The Exploratorium Museum is a full description of a short activity. An electrophorus plate and a Leyden jar are made. The electrophorus is charged by induction. Its charge is transferred to the Leyden jar by conduction...
TeachEngineering
Teach Engineering: Get Charged!
Students are introduced to the idea of electrical energy. They learn about the relationships between charge, voltage, current and resistance. They discover that electrical energy is the form of energy that powers most of their household...
TeachEngineering
Teach Engineering: Lights On!
Students in this activity will build simple circuits using a battery, wires, and light bulbs. This activity allows students to examine how electricity is conducted through a light bulb using a battery as a power source. Students will...
National High Magnetic Field Laboratory
Magnet Academy: Duchenne Machine 1850
French physician Guillaume Benjamin Amand Duchenne invented a device that electrically stimulates muscles. The apparatus gave him new insight into neuromuscular disorders, earned him the epitaph of "father of electrotherapeutics," and...
SRI International
Performance Assessment Links in Science: Mystery Card 3
Straightforward introduction to electrical circuits using minimal materials and time. Students learn about the basics of electrical circuits by experimenting with "mystery cards" -- index cards with hidden aluminum foil used to conduct...
Georgia Department of Education
Ga Virtual Learning: Charge and Coulomb's Law
Learning about charge and forces of attraction will be keys to understanding electrostatics and the basis of this learning unit. Developing a greater understanding of charge and the charge model is necessary to understanding electricity.
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...
TeachEngineering
Teach Engineering: Energy
Through nine lessons, students are introduced to a range of energy types--electrical, light, sound and thermal-as well as the renewable energy sources of wind, hydro (water) and solar power. Subjects range from understanding that the...
TeachEngineering
Teach Engineering: The Grid
The class forms a "Presidential Task Force" for a week, empowered by the president to find answers and make recommendations concerning the future of the national power grid. Task force members conduct daily debriefings with their...
Nobel Media AB
The Nobel Prize: The Nobel Prize in Chemistry 1908
At this site read about Ernest Rutherford (1871-1937 CE), the scientist who was awarded the Nobel Prize in Chemistry, "for his investigations into the disintegration of the elements, and the chemistry of radioactive substances." This...
TeachEngineering
Teach Engineering: Renewable Energy Living Lab
Students become familiar with the online Renewable Energy Living Lab interface and access its real-world solar energy data to evaluate the potential for solar generation in various U.S. locations. They become familiar with where the most...
Other
Lcs: Experiments on the Electrolysis of Sodium Chloride
Complete directions several methods of conducting the electrolysis of sodium chloride solution. Helpful tips, discussion and a diagram of the apparatus and set-up is provided. Easily adaptable as a student lab or project.
CK-12 Foundation
Ck 12: Physical Science: Valence Electrons
[Free Registration/Login may be required to access all resource tools.] Valence electrons, their variation in the periodic table and relation to reactivity and electrical conductivity of elements.
Oak Ridge National Laboratory
Ornl: Teacher's Guide Superconductivity for High School Students
This site from the Human Genome Project provides a large collection of facts and information, demonstrations, experiments and project ideas. Written for teachers but easily adaptable for any type of student work. A good site to check out...
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.
TeachEngineering
Teach Engineering: Yogurt Cup Speakers
This lesson introduces students to the role of electricity and magnetism as they build a speaker. In addition, students explore properties of magnets, create an electromagnet, and determine the direction of a magnetic filed. They conduct...