Who invented the electric light bulb?
Thomas Edison
What is a steam locomotive?
How did people travel before steam engines?
What disease did a vaccine develop in 1796 help prevent?
smallpox
Which class did factory workers and laborers belong to?
working class
Which bodies of water does the Suez Canal connect?
The Mediterranean Sea and the Red Sea
What was invented in 1807 to travel faster on water?
Steamboat
They didn't need wind.
What living thing did Louis Pasteur study?
bacteria
What class did the factory owners and doctors belong to?
middle class
What did Louis Pasteur study?
Bacteria
What metal was used to build railroads before iron?
Steel
What 3 bodies of water can canals connect?
rivers, lakes, seas
What was the environments problem with factories?
pollution
What was one problem with the overcrowded cities?
diseases spread quickly; fires spread quickly
Who invented a machine that oils machines without turning them off?
Elijah McCoy
How did people light their homes before light bulbs?
Candles
What is one benefit (good thing) about using steam locomotives instead of horses?
Faster, less expensive, can transport more goods/people
Why were light bulbs such an important invention?
They were safer and brighter than candles.
What 2 kinds of pollution did the factories make?
smoke & garbage
Which country had over a million people help build the Suez Canal?
Egypt
What did Louis Pasteur's invention do?
It killed the bad bacteria in milk by heating it up.
How fast can ships travel on the Suez Canal?
8-9 kilometers per hour (or 5-6 miles per hour)
What did Louis Pasteur use to kill bacteria?
heat
What are two problems caused by the factories?
They were unsafe to work in, pollution, crowded cities where the workers lived.