How much does Eiffel Tower expand in summer?

Here's a fact that will amaze the kids: Did you know that the Eiffel tower can grow even taller? In the summer, this famous tower can grow up to 15 cm taller! How does this happen? Heat gain causes matter (solid, liquid and gas) to expand.



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The Eiffel Tower “grows” in the summer. Due to the heat expansion of the tower's iron in the summer sun, the Eiffel Tower's height can grow by up to 6 inches!

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Thermal expansion is when a material changes dimensions while it undergoes temperature changes. The tower expands and contracts 15 cm from the hottest to the coldest day.

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Heat causes an increase in volume that makes the Eiffel Tower a few millimeters taller. This expansion also causes the Tower to tilt slightly away from the sun. The sun only hits one of the 4 sides of the Tower creating an imbalance with the other 3 sides, that remain stable, thus causing the Eiffel Tower to lean.

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When temperatures rise, the Tower increases in size! This is a natural physical phenomenon called thermal expansion. Heat causes an increase in volume that makes the Eiffel Tower a few millimeters taller. This expansion also causes the Tower to tilt slightly away from the sun.

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You'll be able to see the well known Iron Lady lit up every day from sunset to 1AM. During summer, it turns of one hour later at 2AM.

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7. During cold weather the tower shrinks by about six inches.

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Because Steel expands in hot and contracts in cold. So, The Eiffel Tower is 17 centimetres taller in summer than winter. A few centimetres gained in summer, but lost in winter!

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In fact, the Tower has been repainted for over 130 years, about once every 7 years. So if it is repainted, the Eiffel Tower can last... forever.

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While the Tower has a total of 1,665 steps from the ground to the top, you can only climb 674 of them, from the ground to the second floor (327, then 347 steps). You cannot take the stairs all the way to the top from the second floor, as this section is not open to the public for safety reasons.

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If you are gardening in really, really hot climates like Southern Florida, Texas or Arizona, you might want to focus on vegetables that do well in extremely hot weather. Vegetables like corn, okra, eggplant, hot peppers, tomatillos, and even though they aren't vegetables, melons like watermelons and cantaloupes.

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The Eiffel Tower's Illuminations. Every evening, the Eiffel Tower is adorned with its golden covering and sparkles for 5 minutes every hour on the hour, while its beacon shines over Paris.

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The Eiffel Tower was supposed to be torn down after 20 years. The tower was built with the intent of showing off France's industrial prowess during the World's Fair, but the plan was to tear it down after 20 years.

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Every evening, the Eiffel Tower is adorned with its golden covering and sparkles for 5 minutes every hour on the hour, while its beacon shines over Paris.

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The Eiffel Tower's lighting and sparkling lights are protected by copyright, so professional use of images of the Eiffel Tower at night requires prior authorization and may be subject to a fee.

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Except during summer, when the Tower closes at 00:45 : the Tower lights and beacon are switched off at 1.00am, except for the sparkling lights remaining during a few minutes. A truly magical moment not to be missed!

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A new layer every 7 years The paint wears off with time and rain, so it has to be redone to guarantee continued protection. For this reason, the Tower has been repainted on average every seven years, according to a cycle laid out by Gustave Eiffel himself.

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The Eiffel Tower was supposed to be destroyed only 20 years after its construction. To remedy the situation, Gustave Eiffel had the ingenious idea of crediting it with a scientific purpose – the Tower was saved!

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What Are the 11 Most Interesting Facts About the Eiffel Tower?
  • It Was Designed by Gustave Eiffel. ...
  • It Took 22 Months to Complete. ...
  • The Eiffel Tower Is Made of Iron. ...
  • The Eiffel Tower Has Three Floors. ...
  • It's as heavy as an Entire Freight Train. ...
  • The Eiffel Tower Has to be Repainted Every 7 Years.


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