Who was James Watt and what was his greatest contribution?

• Inventor of the light bulb

• Refiner of the steam engine

• Creator of the telephone

• Developer of the airplane

In what year did James Watt complete his first Watt engine?

• 1774

• 1794

• 1800

• 1820

By what year did the United States produce 2,136,000 bales of cotton?

• 1800

• 1850

• 1794

• 1870

Fill in the blank: Louis Pasteur's discovery that fermentation is a biological process helped lay the groundwork for modern ________.

• Chemistry

• Microbiology

• Physics

• Astronomy

Fill in the blank: Louis Pasteur's work in the 1870s led to the development of vaccines for diseases affecting ________.

• Plants

• Animals

• Insects

• Machines

What did Louis Pasteur discover about fermentation?

• It is a chemical process

• It is a biological process

• It is a physical process

• It is an electrical process

Thomas Edison invented a long-lasting light bulb in ____.

• 1877

• 1879

• 1882

• 1888

In 1882, which area had its own electric light system using Edison’s new bulbs?

• Boston

• Lower Manhattan

• Chicago

• San Francisco