Inventors

The inventor Alessandro Volta is associated with...

• inventing the fridge

• inventing the light bulb

• inventing the electric battery

• inventing the steam engine

_____ was a stack of copper and zinc plates, separated by brine-soaked paper disks, that could produce a steady current for a considerable length of time.

• The nuclear fission

• The steel

• The voltaic pile

• The automobile with double-pivot steering system

In 1805 a closed vapor-compression ________ cycle for the production of ice by ether under vacuum. In 1820 liquefied ammonia and other gases by using high pressures and low temperatures, and in 1834, the first working vapor-compression ________ system was built.

• molecular

• nuclear

• refrigeration

• steam

The first commercial ______-powered device was a water pump, developed in 1698 by Thomas Savery. It used condensing _______ to create a vacuum which raised water from below and then used ______ pressure to raise it higher.

• steel

• steam

• nuclear

• electric

The first cars were built ....

• in 1790s

• in 1890s

• in 1920s

• in 1940s

What is a major component used in buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons?

• electricity

• steam

• nuclear power

• steel

Which name is associated with the Wright Brothers?

• Otto Lilienthal

• Bertha Benz

• Robert E. Kahn

• Otto Hahn

The first Internet was named....

• ARPANET

• World Wide Web (www)

• NSFNET

• UNIX

Robert Taylor, Lawrence Roberts, Robert Kahn and Vint Cerf worked on projects to ...

• invent the airplane

• invent the light bulb

• invent the Internet

• invent the refrigerated system

This photo is about....

• visualization of routing paths through a portion of the Internet

• commercial fridges and their energy consumption

• the carbon in typical steel alloys

• nuclear energy