Why Egypt is called "ancient civilization"! ! !

Geography-ancient civilizations were built in rivers that were easy to survive. Among them, Egypt is located in the northeast corner of Africa, bordering the Arabian Desert in the east, the Sahara Desert in the west and the Mediterranean Sea in the north. The Nile flows through Egypt from south to north, just like a green lifeline in the desert. The cultivated land in ancient Egypt is distributed on both sides of the Nile and the Nile Delta.

History-The history of ancient civilizations is generally 7000 -4000 years ago. The ancient Egyptians established quite large-scale settlements in Upper Egypt (Nile Valley) and Lower Egypt (Nile Delta) between 6000 years ago (4000 BC) and 5500 years ago (3500 BC). Nome civilization in ancient Egypt is the earliest known civilization in the world.

Faith-most of human development has passed the historical era of myth and religion. The burial features of prehistoric sites and cemeteries in ancient Egypt, such as Mermud-Beni Salame and Bertal, show that these peoples have various religious beliefs, just as their pottery and other objects are different.

Culture-hieroglyphics invented by ancient Egyptians are one of the most important writing systems in ancient times, and the early history of hieroglyphics is not clear. However, many scholars believe that hieroglyphics were created by manpower during the unification of the first dynasty in Egypt (3 1 10-2884 BC). In addition, ancient Egypt also made great achievements in painting, sculpture and architecture.

Science and technology-Egyptian medical technology was recorded as early as the twelfth dynasty. Medical experts and surgical experts have used medical technology to dispose of the body of the fifth dynasty Pharaoh Shahulie. Imhotep, the minister and architect of the third dynasty Pharaoh Zuosai, knew that they were all specialized in medicine, and they were all called Imuthes (Imouthes). Arithmetic based on addition and subtraction can be converted into multiplication and division. Scores except 2/3 and 3/4 are based on 1, so 7/32 can be expressed as1/8+116+1/32. Egyptians can use their developed geometry to calculate the areas of squares, trapezoid, triangles and circles; Calculate the height and angle of tetrahedron (pyramid); You can even calculate the volume of cylinders and tetrahedrons after cutting. In addition, ancient Egypt also established a calendar, the greatest of which was the accurate calculation of the number of stones in the pyramids.