ancient egyptains used the nilometer to measure the water in the nile river
It is not known who invented the nilometer.
A structure built in the Nile river to measure water levels.
They were sets of steps, measuring how high the water reached. There was also a column in the middle where the numbers were.
It was measured with a nilometer.
The nilometer measured the rise of the Nile River during floods. Knowing where the Nile River was going to flood was crucial for knowing where to plant crops and where to build houses.
The egyptians invented the Nilometer to measure the hight of the River Nile. The reason the Egyptians measured the hight was to predict what the harvest would be like; 8.5 meters=hunger 9.0 meters=suffering 9.5 meters=happiness 10.0 meters=security 12.0 meters=disaster
Nilometer
The Nilometer is an ancient Egyptian structure used to measure the water levels of the Nile River, which were crucial for agriculture and flood prediction. It typically consists of a vertical shaft with graduated markings, allowing observers to gauge the height of the river's water. As the Nile's waters rise and fall, the changes can be recorded to predict the potential for flooding or drought. This information was vital for managing irrigation and ensuring food security in ancient Egypt.
Ancient Egyptians needed the floods to irrigate crops. Egyptians would measure the water with a nilometer so people upstream would be aware of how much water was coming.
Regarding Egypt, they use a device they called a 'Nilometer'. This measured the water levels of the Nile and took various forms, from a simply pillar to a complex structure. They would be marked-off in 'cubits' which equalled about half a meter. It was reckoned that if the water level did not reach the mark of 16 then there would be drought and famine. The link below will give more details.
One example of how technology helped the Egyptions understand the Nile is the nilometor. The nilometer helped the Egyptions measure how much of the Nile river flooded.
The 'Nilometer' which was really a rock marked vertically at equal spaces, could tell the farmers by just one look whether they could afford paying off much of their crops as tax to the King. It worked because the Nile flooded numerous times and always left plants at the height to which it rose whilst flooding. But this created problems too. Try to think about what those problems could be. Better still, get it on to the net so everyone can see.