STS CROSSWORD

a teeth cleaning twig made from the Salvadora persica tree.
study of mathematical symbols and the rules for manipulating these symbols.
an instrument showing the time by the shadow of a pointer cast by the sun on to a plate marked with the hours of the day.
a device that detects the ground’s movement during an earthquake.
are described as a toilet or outhouse, especially a communal one in a camp or barracks.
The Indus River Civilization was commonly known as ______________ Civilization.
major world religion promulgated by the Prophet Muhammad in Arabia in the 7th century CE.
The Great Mosque of _____________ is one of the great works of Arab architecture, built in the early 8th century.
created an efficient way of transporting food and supplies to the front lines of battle.
a natural magnet used for making compass in Chinese Civilization.
used to compare and measure products in the market, developed in Indus Valley.
carved object, usually stone used to impress their picture or inscription into soft, prepared clay.
darkened room with a small hole or lens at one side through which an image is projected onto a wall or table opposite the hole.
enables lifting of heavy objects with relative ease.
widespread of literacy happened in _______ Dynasty.
the world’s biggest library was created in _________ Dynasty.
animal _________ inspired the design pf the crossbow.
a corpus of symbols produced by the Indus Valley Civilization.
the “Father of Plastic Surgery.”
The Great Wall of china was built to protect the emperor’s territory from ___________.