Unit 5 Review

Looking at the Timeline, what event happened in 1801?

• Davy invents first electric lamp

• Rural Electrification Administration begins

• Swan creates first electric light bulb

• First gaslight is used

When did Edison patent the first practical light bulb?

• 1792

• 1860

• 1879

• 1953

Who invented the first electric lamp?

• Thomas Edison

• Sir Humphry Davy

• Nikola Tesla

• Alexander Graham Bell

What problem did Thomas Edison solve to make the light bulb practical for widespread use?

• He made the filament last longer

• He reduced the cost of production

• He made the bulb brighter

• He invented a new type of gas lamp

What was a major limitation of Sir Humphry Davy's electric arc lamp?

• It could only be used indoors

• It required a lot of maintenance

• It could only be used outdoors

• It was too expensive to produce

Why did power companies initially focus on bringing electricity to cities rather than rural areas?

• Cities had more people and required fewer power lines

• Rural areas had more power plants

• Cities were closer to power stations

• Rural areas had more natural resources

What government agency was created to bring electricity to rural areas in the United States?

• Federal Power Commission

• Rural Electrification Administration (REA)

• Department of Energy

• National Rural Utilities Cooperative Finance Corporation

What is one problem of using burnable fuels for cooking?

• They can be expensive and take time to gather

• They are free

• It makes food taste funny

• They cook the food too quickly

What health problem can arise from cooking with fires indoors?

• Food becomes unhealthy

• Room gets too hot

• Lung problems from smoke

• Makes food difficult to find

What is one major challenge people face when cooking food in many parts of the world?

• 
  

• They don't have enough recipes

• They have no fuel available

• They can't find pots and pans

• They don't know how to cook