The Invention of the Alternating Current Motor — Questions and answers

Read the full story

What did Clara ask Grandma Tara about when she was bouncing on the rainbow bridge?

Choices

  1. How to make delicious soup.
  2. How automatic doors work. ✓
  3. Where the rainbow bridge leads.
  4. What kind of 'gizmos' are in the city.

Answer: How automatic doors work.

From page 1

According to Grandma Tara, who helped invent the electricity that makes doors open?

Choices

  1. Clara's grandpa
  2. A famous chef
  3. Nikola Tesla ✓
  4. Someone named Socrates

Answer: Nikola Tesla

From page 2

What book did Clara grab from the shelf to learn more about inventions?

Choices

  1. Her worn leather notebook
  2. The Magical Invention Encyclopedia ✓
  3. A book about making soup
  4. Socrates's biography

Answer: The Magical Invention Encyclopedia

From page 3

How did Nikola Tesla explain what alternating current (AC) is like?

Choices

  1. Like a river always flowing in one direction.
  2. Like water flowing back and forth. ✓
  3. Like a lightning bolt striking.
  4. Like a still, quiet pond.

Answer: Like water flowing back and forth.

From page 5

Where did Tesla say they showed the alternating current motor to the world in 1893?

Choices

  1. At a small local fair
  2. At the Chicago World's Fair ✓
  3. In his secret laboratory
  4. On the moon

Answer: At the Chicago World's Fair

From page 6

Which company did Tesla say took a 'huge gamble' by investing in the AC system?

Choices

  1. The Sparkle Company
  2. The Westinghouse company ✓
  3. The Dynamo Corporation
  4. The Power Up Company

Answer: The Westinghouse company

From page 7

What fell from the motor, making a loud CLANG and causing sparks?

Choices

  1. A small wrench
  2. A cup of coffee
  3. A large metal panel ✓
  4. Tesla's hat

Answer: A large metal panel

From page 8

How much is the electrification industry market worth, thanks to the alternating current motor?

Choices

  1. Over 200 million
  2. Over 200 billion ✓
  3. Exactly 50 billion
  4. Under 10 million

Answer: Over 200 billion

From page 9

What exciting thing did Clara tell Grandma Tara she learned?

Choices

  1. How to build a new treehouse.
  2. How to make a glowing book.
  3. How the whole city is powered. ✓
  4. How to fix a cooking fire.

Answer: How the whole city is powered.

From page 10