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Math2.org: Areas, Volumes, Surface Areas

For Students 9th - 10th
This personal site from Math2.org gives formulas for the area, volumes and surface areas of various shapes. Also provides diagrams.
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Unesco: Chad: Lakes of Ounianga

For Students 9th - 10th
The site includes eighteen interconnected lakes in the hyper arid Ennedi region of the Sahara desert covering an area of 62,808 ha. It constitutes an exceptional natural landscape of great beauty with striking colours and shapes. The...
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Unesco: China: Site of Xanadu

For Students 9th - 10th
North of the Great Wall, the Site of Xanadu encompasses the remains of Kublai Khan’s legendary capital city, designed by the Mongol ruler’s Chinese advisor Liu Bingzhdong in 1256. Over a surface area of 25,000 ha, the site was a unique...
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Unesco: Japan: Ogasawara Islands

For Students 9th - 10th
The property numbers more than 30 islands clustered in three groups and covers surface area of 7,939 hectares. The islands offer a variety of landscapes and are home to a wealth of fauna, including the Bonin Flying Fox, a critically...
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Unesco: Indonesia: Borobudur Temple Compounds

For Students 9th - 10th
This famous Buddhist temple, dating from the 8th and 9th centuries, is located in central Java. It was built in three tiers: a pyramidal base with five concentric square terraces, the trunk of a cone with three circular platforms and, at...
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Eternal Egypt: Pottery From the Abbasid Period

For Students 9th - 10th
A rather deep dish decorated with a butter-colored glaze. This type was widespread in Iraq and Persia during the third and fourth centuries AH. The decorated portion of the dish is 25% of the surface area, while 75% is undecorated. Thus,...
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Science Kids: Science Images: Anechoic Chamber

For Students 9th - 10th
A photo taken from the inside of an anechoic chamber. The effect of rebounding sound waves is kept to a minimum in such an anechoic chamber thanks to the large surface area that absorbs most of the noise.

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