Ch.2 Measurements and Calculations Flashcards
What is qualitative observation?
Does not involve a number
what is quantitive observation?
is called a measurement and does involve a number and unit
What are some fundamental SI units?
Kilogram
meter
second
kelvin
ampere
mole
what is tera mean?
1,000,000,000,000
10^12
what does giga mean ?
1,000,000,000
10^9
what does mega mean?
1,000,000
10^6
what does kilo mean?
1000
10^3
what does deci mean?
0.1
10^-1
what does centi mean?
0.01
10^-2
what does mili mean?
0.001
10^-3
what does micro mean?
0.000001
10^-6
what does nano mean?
0.000000001
10^-9
what does pico mean?
0.000000000001
10^-12
what is kilometers equivalent to meters?
1000m or 10^3m
what is decimeter equivalent to meters?
0.1 m or 10^-1 m
what is centimeter equivalent to meters?
0.01 m or 10^-2 m
what is millimeter equivalent to meters?
0.001 m or 10^-3
what is nanometer equivalent to meters?
0.000000001 or 10^-9