A Really Cool Tutorial From The Old Days About How Steering Differential Works – CarBuzz
A simple animation showing how a relay uses electromagnetism to link two circuits.
Lisle 56810 Relay Test Jumper Kit
Switches, Relays and Wiring Diagrams 2 - YouTube
Picture of how to test the fuse with the testing leads
AUTOMOTIVE SCAN TOOLS WHICH ONE TO BUY? OEM OR GENERIC | eBay
GM TECH 2 Diagnostic tool - A quick word before buying on Ebay | eBay
How to Test a 3, 4 or 5 Pin Relay - With or Without a Diagram - YouTube
Animation showing how an electromagnetic relay works
An electromagnetic relay
Look at these pairs of magnets! In this science worksheet your child learns about magnetic poles and determines whether pairs of magnets will attract or repel each other.
Build an Electric Buzzer - YouTube
io9 : Magnets: How do they work? This is above the grades I am going to teach but it is really neat.
Using Relays To Control Electromagnetic DC Solenoids - A Tutorial & Appl...
Physical Science 6.8a - Electric Current and Magnetic Fields
Physics & Electromagnetism : Polarity of Electromagnets