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Reinventing Edison: Build Your Own Light Bulb
SE-7145
P Experiment with different filaments
P Discover how vacuum effects light bulb
P Durable components last for years
The Reinventing Edison Kit gives students the ability to experiment in
just the way Edison did. They can use any one of the filament materials
included to find out how the filament material impacts current flow,
filament heating and light emission. The role that vacuum plays in filament
life, and the color of light emitted from different
filaments expand the learning opportunity to many
different topics in science.
Electricity – Projects
Students explore how a vacuum affects the life of a light bulb they constructed
from a plastic cylinder and various filaments.
Includes
Safety Vacuum Chamber
Hand Vacuum Pump
Filament Materials (including tungsten and carbon)
Test Leads
28 Page Instruction Manual
Storage Box
Order Information:
Reinventing Edison: Build Your Own
Light Bulb .............................................SE-7145
Light Bulb
Refurbishment Kit ..........................SE-7147
Reinventing Morse: Build Your Own Telegraph
SE-7146
P Build a Working Telegraph
P Explore Electrical Topics with Real Activities
P Learn Morse Code
The Reinventing Morse Kit includes everything needed to build a
working telegraph. Students build a solenoid and explore the relationship
between current and magnetic field strength and extend
into building a sounder, buzzer and relay.
With multiple kits in the classroom a working
telegraph system can be built and messages
sent from one station to another.
Includes
Coil Bobbins
Telegraph Key
100’ Hookup Wire
Test Leads
24 Page Instruction Manual
Storage Box
Students wind their own coils to construct a telegraph.
They also learn Morse Code and how to connect simple circuits.
Order Information:
Reinventing Morse: Build Your
Own Telegraph.................................SE-7146
Required:
6 V Lantern Battery, 9 V, or two D Cells
98
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