Reading Comprehension: Light Bulb Invention

What is the central idea of the passage?

• Edison invented the first light bulb.

• Innovation takes time and collaboration.

• Electricity is a modern marvel.

• Arc lamps were the most successful design.

What does the author use to introduce the topic?

• A personal anecdote

• A quote from Edison

• A historical context

• A technical diagram

Which of the following best describes how the author structures the passage?

• Compare and contrast

• Chronological sequence

• Problem and solution

• Cause and effect

What is the purpose of mentioning Humphry Davy and Joseph Swan?

• To argue they were more important than Edison

• To show Edison worked alone

• To highlight earlier contributions to electric light

• To describe unrelated scientific discoveries

How does the author develop the idea of cumulative innovation?

• By focusing only on Edisons success

• By listing each scientist alphabetically

• By explaining the sequence of inventions and improvements

• By emphasizing the failures of other inventors

What connection is made between Edisons invention and society?

• Edisons bulb was never adopted

• It led to the invention of the battery

• It brought electricity to homes and cities

• It caused public resistance

Which paragraph describes the limitations of early electric lights?

• Paragraph 1

• Paragraph 2

• Paragraph 3

• Paragraph 4

How does the final paragraph reinforce the authors point?

• By introducing a new invention

• By dismissing Edisons role

• By summarizing the theme of collaboration and progress

• By providing a timeline

Which phrase best supports the idea that invention is a long process?

• a bulb that was affordable, practical, and long-lasting

• the invention was a chain of evolving ideas

• Edison is often credited with this invention

• sparked interest in electrical lighting

What transition is used to show the shift from earlier inventors to Edison?

• The idea of electric light began...

• Though impractical for everyday use...

• Edison entered the scene...

• Rather than a single eureka moment...