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What is the main idea of this chapter?
The author wrote “However, many people argue that his greatest contribution was perfecting the light bulb.”. What does “greatest contribution” mean in this context?
Sabiha wrote “Because Edison changed the light bulb so it would be commercially successful, reliable, and practical, he is given credit for perfecting the light bulb.”. What does it mean that Edison was “given credit” in this context?
Why does Sabiha ask you to close your eyes in the beginning?
What happens when some conductors get hot?
How many lightbulb patents were filed before Thomas Edison’s patent?
Why was Edison’s lightbulb so important?
How did the first lightbulb work?
Which sentence describes Thomas Edison?
Were there any words or ideas that you did not understand? (You can always list them here.)