vocab 1.2

Question 1

base unit

Answer 1

a defined unit in a system of measurement that is based on an object or event in the physical world

Question 2

second

Answer 2

the SI base unit for time

Question 3

meter

Answer 3

SI base unit for length

Question 4

kilogram

Answer 4

SI base unit for mass

Question 5

kelvin (K)

Answer 5

the SI base unit for temperature

Question 6

derived unit

Answer 6

a unit defined by a combination o base units
eg. cm^3 or g/mL

Question 7

liter

Answer 7

SI base unit for volume

Question 8

density

Answer 8

a physical property of matter (density = mass/volume)

Question 9

scientific notation

Answer 9

used to express any number as a number between 1 and 10 (known as the coefficient) multiplied by 10 raised to a power (known as the exponent)

Question 10

dimensional analysis

Answer 10

a systematic approach to problem solving that uses conversion factors to move, or convert values from one unit to another

Question 11

conversion factor

Answer 11

a ratio of equivalent values having different units