What is the International System of Units?
Q: What is the International System of Units?
A: The International System of Units is the standard modern form of the metric system. It is a system of measurement based on 7 base units which can be used in combination with each other to create SI derived units.
Q: What does SI stand for?
A: SI stands for Système International d'unités, which is the French name for the International System of Units.
Q: What are the 7 base units in the International System of Units?
A: The 7 base units in the International System of Units are metre (length), kilogram (mass), second (time), ampere (electric current), kelvin (temperature), mole (quantity) and candela (brightness).
Q: How many countries use SI as their official system of measurement?
A: Almost all countries use SI as their official system of measurement, with only Myanmar, Liberia, and the United States not using it officially.
Q: Is SI commonly used in science and medicine even if it isn't an official system in some countries?
A: Yes, even though it isn't an official system in some countries, such as Myanmar, Liberia and the United States, SI is still commonly used in science and medicine.
Q: Are there any other quantities that can be described by combining these base units?
A: Yes, by combining these base units you can create derived units which can be used to describe other quantities such as volume, energy pressure and velocity.
Q:What type of measurements does this system cover ?
A:This system covers measurements related to length , mass , time , electric current , temperature , quantity and brightness .
