Metric System and Measurement Flashcards
Why do we measure things?
it allows us to describe items quantitively, and gives us a definite number instead of large, medium or small amount .
What system of measurement is used in science?
the metric system
The metric system is based on _________.
units of 10
What is the standard unit of measurement for weight/mass?
grams
What is the standard unit of measurement for volume?
liters
What is the standard unit of measurement for length?
meters
What is true of all conversions
if the unit increases in size, the numerical value for that unit must decrease and vice versa.
Kilo
- 1,000 of standard unit
- 10 to the 3rd power
- written in scientific notation as 1x10
Centi
- 0.01 of standard unit
- one thousandth
- 10 to the -2nd power
- 1x10;-2
Milli
- 0.001 of a standard unit
- one thousandth
- 10 to the -3 power
- 1x10;-3
Micro
- 0.0001 of a standard unit
- one millionth
- 10 to the -6 power
- 1x10;-6
Nano
- 0.000000001 of a standard unit
- one billionth
- 10 to the -9 power
- 1x10;-9
How do you turn 240 mg into scientific notation
2.4 x 10 to 2
How do you turn 0.023 ml into scientific notation
2.3 x 10 to -2
10 to 0
one standard unit; liter, meter or gram