Standards of Measurement (Ch. 1 Sec. 2)

Question 1

Standard

Answer 1

exact quanitity that people use for a comparison

Question 2

Le Systme Internationale d’Unites (SI)

Answer 2

what the rest of the world uses for measuring

Length in meters- m

Mass is grams- g

volume in liters- l

time in seconds- s

Question 3

The SI system of measurement is eao use because…

Answer 3

… it is based on units of ten

Question 4

What do you to convert one quanity to another

Answer 4

conversion factor

Question 5

Conversion Factor

Answer 5

Equality that is One

Used to Convert one quanitiy to another

Question 6

Length

Answer 6

the distance between two points

Question 7

SI Standard

Length:

Mass:

Volume:

Time:

Answer 7

Length: meters

Mass: grams

Volume: liters

Time: seconds

Question 8

Volume

Answer 8

The amount of Space occupied by an object

(Length x Width x Height)

Question 9

How do you measure Liquid Volume?

Answer 9

Use a graduated cylinder which shows the volume in ml and l.

Question 10

miniscus

Answer 10

dip at the top of water in graduated cylinder. Measure at BOTTOM of miniscus.

Question 11

Density

Answer 11

the mass per unit volume of material

Density= mass/volume

Three objects may have the same volume, the matter may be packed in them differently. So to fully describe density you need to discuss an objects mass its volume at the same time.

Question 12

Derived Unit

Answer 12

A cobination of two or more SI units.

Derived Units are also SI units multiplied by themselves and expressed such as cm of m/s ^2

Question 13

Measuring Temperature

Answer 13

The common SI unit for measuring temperature is Celsius. 0 Degrees= freezing

100 Degrees= boiling

Question 14

Kelvin

Answer 14

absolute zero is 0-k to -273