The Light Bulb

What was the primary issue with early light sources such as candles and gas lamps, as mentioned in the text?

• They were too expensive

• They provided too much light

• They were dangerous and caused accidental fires

• They were too bright

How long did Edison experiment before he came up with a successful filament?

• one year

• two years

• three years

• four years

What material did Edison use for his first successful filament?

• Metal

• Charred Bamboo

• Glass

• Plastic

In what year did Edison's first power station begin supplying electric to homes?

• 2024

• 2000

• 1882

• 1865

According to the text, how did electric light impact nighttime activities?

• it made them more dangerous

• it allowed more activities to occur after dark

• it reduced the number of activities people did

• it had no impact

What was one consequence of using oil from whales for lighting before the electric light bulb?

• Whales became extinct

• People traveled more safely

• Candles became more popular

• The light was brighter

Why were early electric lights considered unreliable? Select ALL that apply

• They were too dim

• They were too bright

• They burned out quickly

What did the invention of the light bulb lead to in terms of new inventions?

• Fewer household appliances

• a greater variety of house appliances

• more dangerous light sources

• the end of nighttime activities

How did Edison’s realization about light bulbs and electricity benefit his business?

• he could sell more candles

• he create a monopoly on light bulbs

• he was able to supply electricity to customers

• he improved the quality of gas lamps

What does the text imply about the role of the light bulb in modern life?

• it is not important

• he created little impact on daily activities

• it has significantly changed how people live and work

• it is primarily used for decoration