ScienceWiz Portal to Discovery
Inventions



Inventions with Coils
Coils, Coils, Coils
Building actual <br>inventions with coils
Building actual
inventions with coils
Good Batteries
You will need <br>a working <br>1.5 volt battery
You will need
a working
1.5 volt battery
Good electrical connection
For these projects<br> the ends of the wires <br> must have no insulation
For these projects
the ends of the wires
must have no insulation
Using a Multi-meter
Background and Instructions
Background and Instructions


Motors
Exploring how
motors work

A motor changes electrical <br>energy into motion
A motor changes electrical
energy into motion
Making a
spinning motor

Video of spinning motor <br>built by Grant
Video of spinning motor
built by Grant
Making a
spinning motor

Spinning your motor
Spinning your motor
Making a
spinning motor

How to reverse<br>a spinning motor
How to reverse
a spinning motor
Making a
spinning motor

Proving that the coil <br>is an electromagnet
Proving that the coil
is an electromagnet
Making a
spinning motor

Figuring out why <br>the motor spins
Figuring out why
the motor spins
Turning your motor
into a galvanometer

With just a tooth pick! <br> And patience -- for video to load
With just a tooth pick!
And patience -- for video to load
Motors and Generators
(a motor in reverse)

A Video on <br> How They Work
A Video on
How They Work


Generator
What does
a generator do?

A generator turns <br>motion into electricity
A generator turns
motion into electricity
The world's simplest generator
<br>A motor in reverse

A motor in reverse
What does
a generator do?

A motor in reverse <br>turns motion into <br>electrical current
A motor in reverse
turns motion into
electrical current
Video on how
a generator works

A magnetic field moving <br>through a coil <br>creates electrical current
A magnetic field moving
through a coil
creates electrical current


How Power Stations Generate Electricity -- basic science
Series of
Demonstrations

Video
Video
A generator
A motor in reverse

Video Lecture
Video Lecture
Moving a magnet
through a coil

Video Demonstration
Video Demonstration
The infrastructure
behind the light switch

From power stations <br>to the grid to you
From power stations
to the grid to you


Telegraph
Explore how
the telegraph works

Converting electrical <br>energy into sound
Converting electrical
energy into sound
Getting your
telegraph to click

A video <br>demonstration
A video
demonstration
Adjust the clicker
to make it work

If clicker doesn't move -- <br> it's connections or battery
If clicker doesn't move --
it's connections or battery
Exploring how
the telegraph works

A Video Demonstration
A Video Demonstration
Converting electrical
energy into sound

A ScienceWiz Animation
A ScienceWiz Animation
Sending messages farther
with a relay

Making a relay
Making a relay
Who REALLY
invented it?

The Inventors of the Telegraph
The Inventors of the Telegraph
The invention of
the telegraph

History of the Telegraph
History of the Telegraph
Actual
Telegraph Key

Clicking Away
Clicking Away
Fun with
Morse Code

British humor
British humor
Distress signal
from the Titanic

Save Our Ship!
Save Our Ship!


Radio
Transduction
A radio changes radio waves <br> into sound vibrations
A radio changes radio waves
into sound vibrations
Building a real radio
Video of building the radio
Video of building the radio
Building a real radio
Making the radio work
Making the radio work
How a radio works
You live in a sea of radio waves
You live in a sea of radio waves
How a radio works
An antennae picks up all the radio waves
An antennae picks up all the radio waves
How a radio works
The coil in a radio is no longer just an electro magnet
The coil in a radio is no longer just an electro magnet
How a radio works
You made an aluminum foil capacitor
You made an aluminum foil capacitor
How a radio works
The coil and capacitor act as a team to select one station
The coil and capacitor act as a team to select one station
How a radio works
The diode prepares the signal for the earphone
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
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.
Ground wire and the importance of ground to allow current to flow.
Invention
of the Radio

History of the invention <br> of the Radio
History of the invention
of the Radio
Resonance Frequency
of Capacitor/Inductor Tuner

Resonance Demonstration
Resonance Demonstration
Resonance Frequency
of Capacitor/Inductor Tuner

Resonance Demonstration
Resonance Demonstration


Circuit Components
Inductor
Lecture on Inductor
Lecture on Inductor
Inductor
Lecture on Inductor
Lecture on Inductor
Capacitor
Lecture on Capacitor
Lecture on Capacitor

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