The Life of Nikola Tesla

Which summary correctly captures the main idea of the passage?

• A. Nikola Tesla worked for Thomas Edison and became famous.

• B. Nikola Tesla invented electricity.

• C. Nikola Tesla’s AC system transformed electricity transmission.

• D. Nikola Tesla's ideas were never recognized.

Answer explanation

C. Nikola Tesla’s AC system transformed electricity transmission. ✅

Rationale: The passage emphasizes Tesla’s contributions to AC power, making C the best choice.

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What does the word "obscurity" mean as it is used in paragraph 3?

• A. Fame

• B. Wealth

• C. Unimportance

• D. Brilliance

Answer explanation

C. Unimportance ✅

Rationale: The passage suggests Tesla was not widely recognized at the time of his death.

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SC.ELA.8.AOR.7.1.a

At the end of the passage, what does the author mainly want the reader to learn?

• A. Tesla’s inventions are still relevant today.

• B. AC power is no longer in use.

• C. Edison invented the AC system.

• D. Wireless energy does not exist.

Answer explanation

A. Tesla’s inventions are still relevant today. ✅

Rationale: The passage concludes by discussing Tesla’s lasting impact.

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SC.ELA.8.AOR.6.1

Which statement should be included in a summary of the passage?

• A. Tesla worked alone in a small laboratory.

• B. Tesla's AC system changed electricity transmission.

• C. Tesla never worked with Edison.

• D. Tesla was born in the United States.

Answer explanation

B. Tesla's AC system changed electricity transmission. ✅

Rationale: The most important idea is Tesla’s role in electrical transmission.

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What does the phrase "wireless energy concepts" in paragraph 2 suggest?

• A. Tesla imagined a world without electricity.

• B. Tesla believed electricity could travel without wires.

• C. Tesla supported direct current.

• D. Tesla worked on telephones.

Answer explanation

B. Tesla believed electricity could travel without wires. ✅

Rationale: The passage describes Tesla’s belief in transmitting energy without physical connections.

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