How the Enigma Code Machine Was Built — Questions and answers

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What did Adaeze point out to Petra at the meteor shower carnival?

Choices

  1. A vendor selling oddly glowing popcorn ✓
  2. The swirling, luminescent dust
  3. The meteor shower itself
  4. Petra's secret messages

Answer: A vendor selling oddly glowing popcorn

From page 1

Where did Adaeze and Petra go to find out about secret messages?

Choices

  1. To a spy movie screening
  2. To the shimmering Ferris wheel, which hid a tent ✓
  3. To Petra's house to use her computer
  4. To a library to read about codes

Answer: To the shimmering Ferris wheel, which hid a tent

From page 2

Who created the Enigma Machine according to Adaeze's Invention Encyclopedia?

Choices

  1. Adaeze
  2. Petra
  3. Arthur Scherbius ✓
  4. World War II soldiers

Answer: Arthur Scherbius

From page 3

What was Arthur Scherbius's problem with his encoding device in 1930s Berlin?

Choices

  1. It was too difficult to build
  2. It was too easy to break ✓
  3. It was too bright in the workshop
  4. He didn't have enough wires and rotors

Answer: It was too easy to break

From page 4

Why did Arthur Scherbius think his code was predictable?

Choices

  1. Because it used too many rotors
  2. Because it needed to change every time a message was sent ✓
  3. Because Adaeze and Petra told him so
  4. Because electrical signals were not strong enough

Answer: Because it needed to change every time a message was sent

From page 5

What idea did Arthur Scherbius have to make the Enigma machine more complex?

Choices

  1. To use a different type of electricity
  2. To ask Alan Turing for help
  3. To add more rotors and make them change pathways after each letter ✓
  4. To make the machine smaller and portable

Answer: To add more rotors and make them change pathways after each letter

From page 6

How many more rotors did Scherbius add to the machine to create millions of code combinations?

Choices

  1. One more rotor
  2. Two more rotors ✓
  3. Three more rotors
  4. Four more rotors

Answer: Two more rotors

From page 7

What did the recipient need to decode a message sent by an Enigma machine?

Choices

  1. A secret decoder ring
  2. Another Enigma machine with the same rotor positions ✓
  3. Einstein's help
  4. A special magnifying glass

Answer: Another Enigma machine with the same rotor positions

From page 8

What did Adaeze learn about the Enigma Machine and technology?

Choices

  1. That it was not very powerful
  2. That all codes are impossible to break
  3. That teamwork is not important
  4. That it's important to use technology for good ✓

Answer: That it's important to use technology for good

From page 9

What happened right after Adaeze and Petra finished discussing the Enigma Machine?

Choices

  1. They went to bed
  2. A meteor landed near the popcorn stand ✓
  3. They started a new research project
  4. They ate shimmering popcorn

Answer: A meteor landed near the popcorn stand

From page 10