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Book 25, Question 4 · Video

How tall is the tallest building in the world?

Video · 1:53 · Crafty Clover explains, from A Million Whys Book 25

The Burj Khalifa in Dubai is the tallest building in the world. It is 2,717 feet tall, with 163 floors, about twice as tall as the Empire State Building in New York. It tapers as it rises, and from the top you can see for many miles. Engineers had to design it carefully for wind and for very hot weather.

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What Crafty Clover says in this video

Intro

Hi there, curious minds! I'm Crafty Clover! Let's discover something amazing. How tall is the tallest building in the world?

The Big Idea

Which building reaches highest into the sky? It is in the city of Dubai. It is called the Burj Khalifa!

Super Tall

Step one: Super Tall. The Burj Khalifa in Dubai is the tallest building in the world. It is 2,717 feet tall, with 163 floors.

Compare

Step two: Compare. It is about twice as tall as the Empire State Building in New York. From the top, you can see for many miles.

Smart Design

Step three: Smart Design. The tower tapers as it rises. Engineers had to design it carefully for strong wind and very hot weather.

A Closer Look

Let's take a closer look! The base is wide. The middle steps in. A spire reaches the top. Fast elevators zoom up.

Quick Facts

Quick facts! The Burj Khalifa's elevators are some of the fastest in the world. It stands in the desert city of Dubai. You can see for many miles. The Burj Khalifa opened in 2010.

Think Like a Scientist

Now, think like a scientist! With a grown-up, measure how long one of your steps is. Figure out how many steps make 2,717 feet. Try walking part of that distance in a field. How long did it take? Imagine walking it straight up!

Outro

The tallest building in the world is the Burj Khalifa in Dubai, 2,717 feet tall with 163 floors, about twice as tall as the Empire State Building. Science is amazing! The world is full of surprises. Keep asking big questions, and keep exploring with me! Crafty Clover can be found on Amazon Books, Google Bookstore, and Apple Books. Available for purchase or download! Bye for now!

Why I wrote this