How the Hoover Dam Was Built — Questions and answers

Read the full story

What happened when Clara touched the 'Magical Invention Encyclopedia'?

Choices

  1. A) The book disappeared.
  2. B) Her mom called her again.
  3. C) The room dissolved in a swirl of light. ✓
  4. D) Kiran started reading out loud.

Answer: C) The room dissolved in a swirl of light.

From page 3

According to the worker, what were they building in Black Canyon?

Choices

  1. A) A maze of scaffolding
  2. B) A new city
  3. C) The biggest dam the world's ever seen ✓
  4. D) Dusty landscapes

Answer: C) The biggest dam the world's ever seen

From page 4

What is the name of the chief engineer working on the Boulder Dam project?

Choices

  1. A) Black Canyon
  2. B) Samuel Johnson
  3. C) Frank Crowe ✓
  4. D) Hana

Answer: C) Frank Crowe

From page 5

What were not listed as benefits the dam provided for the Southwest?

Choices

  1. A) Water for agriculture
  2. B) Power for cities
  3. C) Flood control for the region
  4. D) Creating new rivers ✓

Answer: D) Creating new rivers

From page 8

What did Clara say Mr. Crowe had shown her before she vanished?

Choices

  1. A) How to build a dam
  2. B) How harnessing energy shapes civilization ✓
  3. C) How to find old notebooks
  4. D) How to make concrete

Answer: B) How harnessing energy shapes civilization

From page 9

What did Clara realize the Hoover Dam was an example of?

Choices

  1. A) How to build tall skyscrapers
  2. B) How to ride an electric scooter
  3. C) How inventing solutions to harness energy makes civilizations flourish ✓
  4. D) How to make electricity disappear

Answer: C) How inventing solutions to harness energy makes civilizations flourish

From page 10