Chapter 1.2. Standards Of Measure Flashcards
What is mass?
Amount of matter in an object
What is density?
Mass per unit volume of a material
What is time?
Interval between two occurring events
What is the system of measurement used worldwide?
International system of units (SI)
What is length?
Distance between two points
What is volume?
The amount of space occupied by an object
Why is density a derived unit?
Because density is obtained by combining 2 SI units
In SI how i length measured?
meter
What is the symbol for meter?
m
In SI how is mass measured?
kilogram
What is the symbol for kilogram?
kg
In SI how is time measured?
seconds
What is the symbol for seconds?
s
In SI how is electric current measured?
ampere
What is the symbol for ampere?
A
In SI how is temperature measured?
kelvin
What is the symbol for kelvin?
K
In SI how is the amount of a substance measured?
mole
What is the symbol for mole?
mol
In SI how is the intensity of light measured?
candela
What is the symbol for candela?
cd
On the metric conversion chart, what mathematical operation do you perform for each column that you move from left to right?
Multiply numbers by 10
On the metric conversion chart, what mathematical operation do you perform for each column that you move from right to left?
Divide numbers by 10
As you move from left to right across the metric conversion chart, how do you move the decimal?
Move decimal one space to the right for each column
As you move from right to left across the metric conversion chart, how does the decimal move?
The decimal moves one space to the left for each column
What is the symbol for micro?
u
What is the symbol for nano?
n
What is the order of units from largest to smallest on the metric conversion chart?
Kilo Hecto Deca “Unit” Deci Centi Milli Micro Nano
What is the acronym for remembering the order of units on the metric conversion chart?
King Henry Died Unusually Drinking Chocolate Milk
What is the SI prefix for deca?
da
What is the SI prefix for deci?
d
