WONDER #2046: How Does a Crane Work?

Question 1 of 3

Which of the following items would a crane likely NOT be used to lift, according to this Wonder?

  1. concrete
  2. steel beam
  3. large panes of glass
  4. a simple pulley

Question 2 of 3

The tall, vertical part of a crane is known as the what?

  1. mast
  2. slewing unit
  3. jib
  4. operator cab

Question 3 of 3

This Wonder was mostly about...

  1. the steps of building a skyscraper.
  2. the world’s tallest buildings and how they were built.
  3. how to be safe around cranes.
  4. the parts of a crane and how they work to lift heavy objects.

Check your answers online at https://wonderopolis.org/wonder/how-does-a-crane-work.