Chapter 2 Study Guide--- SI Prefixes
What is the SI unit of length?
meter
Which is NOT an SI Unit?..... Kilograms, decimeter, ounce or milliliter
ounce
What are significant figures?
they show how precise a measurement is
Convert 100cm to m.
10,000
Hecto
10²= 100
Kilo
10³= 1,000
Deka
10¹= 10
What is the number for the prefix Mega?
10⁶ or 1,000,000
Mega
10⁶= 1,000,000
Giga
10⁹= 1,000,000,000
Convert 2550cm to m.
25.5m
6.14 X 5.6=?
34.84
The prefix ( deci-, centi-, deca- ) tells you to multiply by 0.1.
Centi
True or False.... The SI Prefix- Micro is the largest prefix there is.
False
Define Estimation
helps make rough measurement of object
Accuracy
How close your measurement is to your real or accepted value
What does SI stand for?
International System of Units
What is the Base Unit?
Kilogram
What is the SI Unit for mass
Kilogram
What is the Prefix for the number 0.000001?
Micro
What tool do you use to measure a paper clip?
a ruler
What is the definition for rate?
amount of change in one measurement and gives in the amount of time
Define Volume.
amount of space the object occupies
What is Measurement?
describes the world with numbers
What is precision?
description of close measurements to each other
Name all of the SI Prefixes.
giga, mega, kilo, hecto, deka, base unit, deci, centi, milli, micro and nano
What is the SI unit of temperature?
kelvin
