Airplane • Inventor- Orville and Wilbur Wright • When- December 17, 1903 • How does it work- Four forces keep it up in the air. Lift pushes the airplane up. The wings help it lift. Weight is the force that pulls the airplane downward towards Earth. Thrust is the force that moves the airplane forward. Drag slows the airplane.
The Automobile • Who Was the Inventor? • Karl Benz invented the first automobile When Was the Automobile invented? The Automobile was invented in 1886 How Does The Invention Work? The automobile took people to their destination
Assembly Line • Assembly Line is a manufacturing process in which parts are added • Invented by Henry Ford • Invented in 1913 • Semi-finished assembly moves from work station to work station
Light bulb • Inventor: Thomas Edison • October 22, 1879 • An incandescent light bulb uses heat caused by an electrical current. When an electrical current passes through a wire it causes wire to heat.
Gatling Gun The inventor Richard Gatling When was it invented? 1884 How does it work? The gun has a crank on the side of it that requires a person to spin it as they crank it the gun fires rapidly
The zipper • The inventor is Gideon Sundback • The zipper was invited in 1851. • The zipper closes material together without buttons and wire.
Air conditioner • What is the invention? Air conditioner. • Who is the inventor? Willis Carrier. • When was it invented? 1902 • How does the invention work? Air conditioners use gas that can be easily transferred into a liquid and back again. The chemical is used to transfer heat from the air inside of a home to the outside air.
Typewriter The Typewriter The inventor is Christopher Latham Sholes Was invented in 1868 A typewriter works with levers an springs an when you press a key a lever attached to that key swings an hits the paper with that letter
Automatic Air Brakes • The Automatic Air Brakes are improved brakes using compressed air for trains. • George Westinghouse was the inventor of the Automatic Air Brakes. • The Automatic Air Brakes were invented in September 28, 1869 • Automatic Air Brakes work by using air as a way to transmit pressure from the drivers controlle to the service brake