![Maryland Science Center: Build a Conductivity Tester [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Maryland Science Center: Build a Conductivity Tester [Pdf] Activity")
Maryland Science Center
Maryland Science Center: Build a Conductivity Tester [Pdf]
Instructions on how to build an instrument that can be used to test which materials are conductors and which are insulators, in order to bridge a gap in an electrical circuit.
Physics Classroom
The Physics Classroom: Static Electricity: Charging Interactive
Explore charge interactions, the charging of objects by conduction and induction, and the grounding of objects in this interactive.
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.
Science Education Resource Center at Carleton College
Serc: Conductivity of Water
Students discover that pure water does not conduct electricity and that dissolving different substances in water may or may not cause it to conduct electricity.
Science Education Resource Center at Carleton College
Serc: Investigating Testing for Electrical Conductivity Using Materials
In this activity, students will understand that electricity moves through different circuits and discover what types of materials are conductors and insulators.
Science is Fun
Science Is Fun: Conducting Solutions
An experiment where one must first build a conductivity tester, then use it to test how well water conducts electricity when different materials found around the home are each dissolved in it.
Georgia Department of Education
Ga Virtual Learning: Ap Physics 2: Electric Circuits
This unit teaches students the foundations of electrical circuits and introduces them to their simplest components. Covers series and parallel circuits, Kirchhoff's Rules, Ohm's Law, RC circuits, resistivity, and capacitance.
Georgia Department of Education
Ga Virtual Learning: Physical Science: Electricity and Magnetism
Students learn about static electricity using terms such as friction, induction, and conduction. They also explain and illustrate the difference between alternating and direct current, and understand the relationship among voltage,...
TeachEngineering
Teach Engineering: Conductivity
Students make a simple conductivity tester using a battery and light bulb. They learn the difference between conductors and insulators of electrical energy as they test a variety of materials for their ability to conduct electricity.
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.
Science Buddies
Science Buddies: Which Materials Are the Best Conductors?
There are two main types of materials when it comes to electricity, conductors, and insulators. What are they made of? Find out by testing different materials in a circuit to see which ones conduct the most electricity.
Other
Electricity: Simple Circuits
Create your own simple electric circuit. Using simple supplies build your own battery and investigate conductivity. You can also construct a crossword puzzle with electrical vocabulary words.
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.
CK-12 Foundation
Ck 12: Electric Conductors and Insulators
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about materials that conduct electricity and those that insulate against it. Includes a simulation for exploring conductivity, and a...
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...
Physics Classroom
The Physics Classroom: Static Electricity Review
This review from the Glenbrook South High School provides a series of questions on various topics associated with static electricity (such as electrical insulation). Answers and explanations are hidden, yet easily accessed from within a...
BBC
Bbc Schools: Ks2 Bitesize: Science: Physical Processes: Electrical Conductors
A review of electrical conductors and insulators, with diagrams, activities, and quiz questions.
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.
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: Go With the Flow
Students gain an understanding of the difference between electrical conductors and insulators, and experience recognizing a conductor by its material properties. In a hands-on activity, students build a conductivity tester to determine...