INTERNATIONAL SYSTEM OF UNITS (SI)

What are the seven SI base units?

• liter

• hour

• kilogram, meter, second, ampere, kelvin, mole, candela

• gram

Give an example of an SI derived unit.

• Newton (N)

• Coulomb (C)

• Ampere (A)

• Joule (J)

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What are the common prefixes used in the SI system?

• pico

• hecto

• kilo, mega, giga, tera, centi, milli, micro, nano

• deca

How do you convert units in the SI system?

• Add the value to the conversion factor.

• Ignore the conversion factor and use the original value.

• Multiply the value by the conversion factor.

• Divide the value by the conversion factor.

Why is the SI system important in scientific measurements?

• The SI system is too complicated for accurate measurements

• The SI system is not important in scientific measurements

• The SI system is only used in certain fields of science

• The SI system provides standardized units for accurate and reliable measurements.

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What are the advantages of using the SI system?

• Limited applicability, complexity, resistance to change

• Global standardization, ease of conversion, consistency

Which SI base unit is used to measure length?

• kelvin

• second

• gram

• meter

What is the derived unit for measuring speed?

• cm/s

• miles/h

• km/h

• m/s

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What is the prefix for 10^3 in the SI system?

• kilo

• mega

• centi

• hecto

How many millimeters are in a meter?

• 1000

• 750

• 2000

• 500