Understanding the International System of Units

What was the primary reason for establishing the International System of Units (SI)?

• To make measurements more complex,,

• To let each country keep its unique measurement system.

• To create a standardized and universal system of measurements.

What is a characteristic of the metric system?

• It uses fractions for all conversions.

• It is based on powers of 10.

• It only measures length and mass.

• It uses different units for every country.

Which of the following is an SI base unit for measuring temperature?

• Celsius

• Fahrenheit

• Kelvin

• Mole

How are derived units formed in the SI system?

• They are completely new units not related to base units.

• They are formed by multiplying or dividing base units in a formula.

• They are only used for very small measurements.

What is the primary function of prefixes like "kilo" or "milli" in the metric system?

• To indicate the type of substance being measured.

• To specify the exact instrument used for measurement.

• To represent multiples or submultiples of a base unit.