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