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Towering Towers Look at the World’S Tallest Buildings

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Towering Towers Look at the World’S Tallest Buildings On Top of the World Skyscrapers are what make today's cities look stunning. building technologies come to India, other cities will also But if you look at any cityscape, you might think they join this race to the top.” mostly look alike. Sure, there are differences between But if you look below the skyscrapers, you will still skyscrapers, but they are mostly glass and metal find some historic temples, monuments and houses. Bose structures. A city in China looks like a city in India or any urges all of us to protect these historic sites. After all, other country. This new kind of city is called a global city. the architecture of today is built on top of these ancient Global cities hide cutlural differences. They give the structures. appearance that everyone, worldwide, is the same. They have the same foods, art, clothes and belief systems. Bose sees this as a downside to the rise of the skyscraper. “India is shedding its past architecture and its cities are becoming global cities. Mumbai is leading the way in building taller and taller buildings. As newer Towering Towers Look at the world’s tallest buildings. Compared to the Lotte World Tower, how many metres higher is Burj Khalifa? Burj Khalifa Dubai, United Arab Emirates 828 m Shanghai Tower Abraj Al-Bait Clock Tower Shanghai, China Lotte World Tower Mecca, Saudi Arabia 632 m Seoul, South Korea 601 m 554.5 m ANSWER : 273.5 m 273.5 : 10 ENGAGE "Egg-citing” Science How strong is an eggshell? Find out. You need: • a pencil and paper • 3 raw eggs • a bowl • a tabletop • a cloth • depending on thickness, 10 or more books To do: 1. Write on the piece of paper how many books you think a cracked eggshell can support. 2. Place the bowl and eggs on a tabletop. 3. Pick up an egg and crack it in the middle. Did it crack easily? 4. Put all the liquid from the egg into the bowl and use a cloth to wipe out the inside of the eggshells. Place the two halves of the eggshell on the table with the pointy sides facing down. 5. Repeat with the other two eggs, placing them on the table close enough together so that a book can be placed on top of them. 6. How many books could you place on the eggshells? Visit amazing skyscrapers. eggs. the over force gentler you cracked the egg, you used a sudden force of impact. The weight of the books exerts a a exerts books the of weight The impact. of force sudden a used you egg, the cracked you base of the dome. Notice the base is wider than the top, just like in a skyscraper. Also, when when Also, skyscraper. a in like just top, the than wider is base the Notice dome. the of base shells is evenly distributed over the domes. In turn, the weight is then evenly distributed to the the to distributed evenly then is weight the turn, In domes. the over distributed evenly is shells WHAT HAPPENS WHAT : The empty eggshells form domes. The weight of a book sitting on top of the the of top on sitting book a of weight The domes. form eggshells empty The : What can you do in your community to protect ancient architecture? 11.
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