ScienceWiz Portal to Discovery
Inventions

Inventions with Coils
Coils, Coils, Coils Building actual inventions with coils	Good Batteries You will need a working 1.5 volt battery	Good electrical connection For these projects the ends of the wires must have no insulation	Using a Multi-meter Background and Instructions
Motors
Exploring how motors work A motor changes electrical energy into motion	Making a spinning motor Video of spinning motor built by Grant	Making a spinning motor Spinning your motor	Making a spinning motor How to reverse a spinning motor
Making a spinning motor Proving that the coil is an electromagnet	Making a spinning motor Figuring out why the motor spins	Turning your motor into a galvanometer With just a tooth pick! And patience -- for video to load	Motors and Generators (a motor in reverse) A Video on How They Work
Generator
What does a generator do? A generator turns motion into electricity	The world's simplest generator A motor in reverse	What does a generator do? A motor in reverse turns motion into electrical current	Video on how a generator works A magnetic field moving through a coil creates electrical current
How Power Stations Generate Electricity -- basic science
Series of Demonstrations Video	A generator A motor in reverse Video Lecture	Moving a magnet through a coil Video Demonstration	The infrastructure behind the light switch From power stations to the grid to you
Telegraph
Explore how the telegraph works Converting electrical energy into sound	Clicking away with a working telegraph YouTube Video of ScienceWiz telegraph	Getting your telegraph to click A video demonstration	Adjust the clicker to make it work If clicker doesn't move -- it's connections or battery
Exploring how the telegraph works A Video Demonstration	Converting electrical energy into sound A ScienceWiz Animation	Sending messages farther with a relay Making a relay	The invention of the telegraph History of the Telegraph
Who REALLY invented it? The Inventors of the Telegraph	Actual Telegraph Key Clicking Away	Fun with Morse Code British humor	Distress signal from the Titanic Save Our Ship!
Radio
Transduction A radio changes radio waves into sound vibrations	Building a real radio Video of building the radio	Building a real radio Making the radio work	How a radio works You live in a sea of radio waves
How a radio works An antennae picks up all the radio waves	How a radio works The coil in a radio is no longer just an electro magnet	How a radio works You made an aluminum foil capacitor	How a radio works The coil and capacitor act as a team to select one station
How a radio works The diode prepares the signal for the earphone	How a radio works A radio changes radio waves, which are electromagnetic waves, into sound we can hear	How a radio works Ground wire and the importance of ground to allow current to flow.	Invention of the Radio History of the invention of the Radio
Resonance Frequency of Capacitor/Inductor Tuner Resonance Demonstration	Resonance Frequency of Capacitor/Inductor Tuner Resonance Demonstration
Circuit Components
Inductor Lecture on Inductor	Inductor Lecture on Inductor	Capacitor Lecture on Capacitor