Inventions |
Abstract |
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Archimedes'
Screw.pdf |
Construct a working model of Archimedes' screw
device to raise granular material with minimal effort. (Includes historical
information.) |
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Beam
and Box.pdf |
Construct and test beams and box sections used in
construction to support a load above an opening. (Includes historical
information.) |
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Braille.pdf |
Use the Braille system of raised dots to compose a
message for visually impaired people. (Includes historical information.) |
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Cantilever
Bridge.pdf |
Construct a model of a cantilever bridge and
discover how the forces of compression and tension work to support it.
(Includes historical information.) |
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Catapult.pdf |
Construct a catapult and determine how the size and
angle of release affect the trajectory of a projectile. (Includes historical
information.) |
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Door
Lock.pdf |
Create a working model of a lever door lock and key.
(Includes historical information.) |
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Electrocope.pdf |
Construct and use an electroscope to detect and
investigate static electricity. (Includes historical information.) |
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Electroplating.pdf |
Construct an electroplating device capable of using
electricity to plate a key with a layer of copper. Compare experimental
results with Faraday's laws of electrolysis. (Includes historical
information.) |
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Flywheel.pdf |
Construct a flywheel to demonstrate its ability to
store and conserve energy. (Includes historical information.) |
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Gears.pdf |
Discover how gears of multiple sizes are capable of
transmitting rotational power and affecting mechanical advantage. (Includes
historical information.) |
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Geodesic
Dome.pdf |
Construct two different types of geodesic domes and
compare their physical properties. (Includes historical information.) |
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Gyroscope.pdf |
Construct a hand-held gyroscope and discover how and
why it resists motion to maintain a stable position. (Includes historical
information.) |
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Hovercraft.pdf |
Construct a model of a hovercraft using a Stryofoamª
tray and a balloon. (Includes historical information.) |
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Levers.pdf |
Investigate how changing the position of a simple
lever's fulcrum alters the effort necessary to lift a load. (Includes
historical information.) |
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Leyden
Jar.pdf |
Construct a Leyden jar and use it to store static
electricity. (Includes historical information.) |
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Nylon.pdf |
Use a simple chemical reaction to create a piece of
nylon thread and test its elastic properties. (Includes historical
information.) |
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Parachute.pdf |
Construct parachutes to understand the concept of
drag and its relationship to rate of descent. (Includes historical
information.) |
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Periscope.pdf |
Construct a periscope capable of looking around or
over an object. (Includes historical information.) |
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Pinhole
Camera.pdf |
Construct a pinhole camera using a coffee can and
wax paper to observe an image demonstrating the principle of camera obscura.
(Includes historical information.) |
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Plimsoll
Line.pdf |
Construct a model of a Plimsoll line (a ship's load
line) to discover how it allows a ship to remain buoyant in different water
densities. (Includes historical information.) |
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Pulleys.pdf |
Discover the ability of pulleys to reduce the amount
of effort when moving a load. (Includes historical information.) |
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Rollers_Wheels.pdf |
Investigate how rollers and wheels move objects by
overcoming the force of friction. (Includes historical information.) |
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Siphon.pdf |
Construct a siphon and investigate the relationship
between the siphoning rate and height of the tube. (Includes historical
information.) |
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Steam
Turbine.pdf |
Construct a working model of a steam turbine to
demonstrate how it generates power. (Includes historical information.) |
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Telephone.pdf |
Construct a rudimentary working model of a telephone
to demonstrate how speech is transmitted through wires and how the carbon
microphone in a telephone's mouth piece operates. (Includes historical
information.) |
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Transformer.pdf |
Construct a working model of a transformer and use
it to change the voltage of an alternating current. (Includes historical
information.) |
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Universal
Joint.pdf |
Construct a universal mechanical joint to
demonstrate how it transmits power and movement between two shafts at angles
to one another. (Includes historical information.) |
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