Unit Conversion

Unit Conversion

Lesson 3

Components of the SI System

• The SI system of measurement has 3 parts:

• base units

• prefixes

• derived units

• Unit:  measure of the quantity that is defined to be exactly 1

• Prefix: modifier that allows us to express multiples of fractions of a base unit.

Multiple Choice

What would be the base unit of length?

• millimeter

• centimeter

• foot

• meter

Multiple Choice

Which would be the best unit to measure the length of a paper clip?

• meters

• kilometers

• inches

• centimeters

Multiple Choice

What would be the best unit of measure the mass of a tylenol pill?

• milligrams

• grams

• kilograms

• centigrams

Multiple Choice

What would be the best unit to use when measuring the volume of a swimming pool?

• Liters

• Milliliters

• Centiliters

• Kiloliters

​Sig Fig Rules are that the final answer should have the SAME number of sig figs as the original measurement you are trying to convert.