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Willis Tower Facts and Challenges

Willis Tower Facts and Challenges

Assessment

Interactive Video

Architecture

9th - 10th Grade

Practice Problem

Hard

Created by

Emma Peterson

FREE Resource

The video discusses the Willis Tower, originally known as the Sears Tower, which was the tallest building in the world when completed in 1973. It remained the tallest in the US until 2014. The video highlights the challenges of constructing such a structure in Chicago due to its soft clay foundation, requiring deep piles to reach bedrock. The Willis Tower's unique tubular design, consisting of nine bundled tubes, provides stability and reduces wind resistance. Despite this, the tower can sway up to 3 feet on stormy days, making its sky boxes a thrilling experience.

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the original name of the Willis Tower when it was completed in 1973?

Chrysler Building

Empire State Building

One World Trade Center

Sears Tower

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Until what year did the Willis Tower remain the tallest structure in the US?

2001

2010

2014

2020

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of ground is found under Chicago, posing challenges for building tall structures?

Sandy soil

Gravel

Rocky soil

Soft clay

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the solution engineers used to prevent buildings from sinking in Chicago?

Using lightweight materials

Building on stilts

Floating foundations

Drilling piles into bedrock

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many tubes are bundled together in the Willis Tower's design?

Five

Seven

Nine

Eleven

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the Willis Tower get narrower as it rises?

To reduce construction costs

To create more office space

To allow more sunlight

To reduce surface area at higher elevations

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum sway of the Willis Tower during storms?

3 feet

4 feet

2 feet

1 foot

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