How Suspension Bridges Were Engineered — Questions and answers

Read the full story

What did Erik want to find out by opening the 'Invention Encyclopedia'?

Choices

  1. How to adjust a lamp's wick.
  2. Who came up with better ways to connect people. ✓
  3. Where to find treasure maps.
  4. The names of all the scientific instruments.

Answer: Who came up with better ways to connect people.

From page 2

What kind of bridge did Roebling plan to build across the Ohio River?

Choices

  1. A drawbridge.
  2. A pontoon bridge.
  3. A suspension bridge. ✓
  4. A covered bridge.

Answer: A suspension bridge.

From page 6

According to Roebling, how are the strong cables for the bridge made?

Choices

  1. From a single, giant wire.
  2. By melting steel into a thick bar.
  3. From thousands of individual wires twisted together. ✓
  4. By using only innovative design, not materials.

Answer: From thousands of individual wires twisted together.

From page 7

What did Erik whisper about the completed suspension bridge?

Choices

  1. "It's too short!"
  2. "It's incredible how it changed everything!" ✓
  3. "Marco would be bored."
  4. "I wish it was made of wood."

Answer: "It's incredible how it changed everything!"

From page 8

What did Erik tell Marco that suspension bridges connect?

Choices

  1. Only cities and towns.
  2. Just rivers and oceans.
  3. People and ideas. ✓
  4. Only the global economy.

Answer: People and ideas.

From page 10