Scientists use the System Internationale - the international system of units. This is a metric system. Most countries have switched to the metric system for everyday ie in shops and in the kitchen.
Quantitative measurements are used, because science and medicine rely on exactly that, quantities. The other option would be qualitative measurements (large, small, good, bad, etc), and since that wouldn't allow science or medicine to operate with any precision, quantitative measurements are used. The metric system is used because the exchange of information across scientists and doctors around the world is important to progress in these fields. Since there are about 20 times as many people in the world who use the metric system compared to English units, scientists and doctors in the US use the more common and easily understood system.
It is because they use the metric system
SI units
The world system of measurements units is based on the metric system (SI).
Everyone uses a standard system, not just scientists. How would we ever do business with each other if each of us were free to define our own measurements? Most of the world uses the metric system of weights and measures while only the US have their own standards, but it is some math to determine the equivalent of gallons in liters or kilograms in pounds.
The metric system.
Yes
the metric system
scientific method
scientific method
Quantitative measurements are used, because science and medicine rely on exactly that, quantities. The other option would be qualitative measurements (large, small, good, bad, etc), and since that wouldn't allow science or medicine to operate with any precision, quantitative measurements are used. The metric system is used because the exchange of information across scientists and doctors around the world is important to progress in these fields. Since there are about 20 times as many people in the world who use the metric system compared to English units, scientists and doctors in the US use the more common and easily understood system.
The system of measurement based on the number 10 that was developed by scientists in the 1790s is called the metric system. It is also known as the International System of Units (SI) and is widely used around the world for scientific and everyday measurements.
It is because they use the metric system
Have scientists in all parts of the world long used metric systems?
SI units
The world system of measurements units is based on the metric system (SI).
So that when scientists make a project around the world, the pieces are the same size