Vocab Quiz 2

Question 1

Base unit

Answer 1

A defined unit in a system of measurement that is based on an object or an event in the physical world and its independent of other units

Question 2

Conversion factor

Answer 2

A ration of equivalent values used to express the same quantity in different units

Question 3

Density

Answer 3

The amount of mass per unit volume; a physical property

Question 4

Derived unit

Answer 4

A unit defined by a combination of base units

Question 5

Dimensional analysis

Answer 5

A systematic approach to problem solving that uses conversion factors to move from one unit to another

Question 6

Error

Answer 6

The difference between an experimental value and an accepted value

Question 7

Graph

Answer 7

A visual display of data

Question 8

Kelvin

Answer 8

The SI base unit of temperature

Question 9

Kilogram

Answer 9

The SI base unit for mass

Question 10

Liter

Answer 10

The metric unit for volume equal to one cubic decimeter

Question 11

Meter

Answer 11

The SI base unit for length

Question 12

Percent error

Answer 12

The ratio of an error to an accepted value

Question 13

Precision

Answer 13

Refers to how close a series of measurements are to one another

Question 14

Scientific notation

Answer 14

Expresses any number as a number between 1-10 known as an exponent

Question 15

Second

Answer 15

The SI base unit for time

Question 16

Significant figures

Answer 16

The number of all known digits reported in measurements plus one estimated digit

Question 17

Accuracy

Answer 17

Refers to how close a measured value is to an accepted value.