Light Bulb — Questions and answers

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What was the main problem with early incandescent lamps like those Joseph Swan worked on?

Choices

  1. They were too big.
  2. They were too quiet.
  3. The filaments burned out almost instantly or were too expensive. ✓
  4. They didn't make enough heat.

Answer: The filaments burned out almost instantly or were too expensive.

From page 3

How did Thomas Edison approach the problem of invention?

Choices

  1. He only tried one idea at a time.
  2. He waited for a single 'eureka' moment.
  3. He embraced trying many things and learning from failures. ✓
  4. He only let his team work on one material.

Answer: He embraced trying many things and learning from failures.

From page 4

What significant event happened on September 4, 1882, regarding the light bulb?

Choices

  1. Edison opened a new laboratory.
  2. The Pearl Street Station began providing electric power for lamps in homes and businesses. ✓
  3. A new type of filament was invented.
  4. Edison got a patent for his invention.

Answer: The Pearl Street Station began providing electric power for lamps in homes and businesses.

From page 8

What was a major impact of the incandescent light bulb on industries?

Choices

  1. Industries had to close down at night.
  2. Industries could operate around the clock, increasing productivity. ✓
  3. Workers had to work fewer hours.
  4. Factories became darker places.

Answer: Industries could operate around the clock, increasing productivity.

From page 9

What did the incandescent light bulb's invention pave the way for in the future?

Choices

  1. New types of cars.
  2. Continuous innovation in electric illumination, like LEDs. ✓
  3. Better heating systems.
  4. Faster computers.

Answer: Continuous innovation in electric illumination, like LEDs.

From page 10