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NAT SCI > Metric II > Flashcards

Metric II Flashcards

1
Q

origional meter

A

.001 of the distance from the north pole - equator

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2
Q

SI

A

international system

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3
Q

basis for time

A

1967 atomic clock

energy DIFF of two lowest energy states of cesium atom

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4
Q

Mass

A

kilogram

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5
Q

length

A

meter

measures from pt A - pt B

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6
Q

time

A

second

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7
Q

atto

A

a 10 -18

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8
Q

femto

A

f 10 -15

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9
Q

pico

A

p 10 -12

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10
Q

nano

A

n 10 -9

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11
Q

micro

A

u (mew) 10 -6

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12
Q

milli

A

m 10 -3

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13
Q

centi

A

c 10-2

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14
Q

kilo

A

k 10 3

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15
Q

mega

A

M 10 6

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16
Q

giga

A

G 10 9

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17
Q

tera

A

T 10 12

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18
Q

peta

A

P 10 15

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19
Q

exa

A

E 10 18

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20
Q

meter is slightly longer than a

A

yard

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21
Q

1 m = ___ cm

A

100 cm

22
Q

1 m = ___ mm

A

1000 mm

23
Q

1 m = ___ um

A

1,000,000 um

mew
micrometers

24
Q

1 m = ___nm

A

1,000,000,000

nanometers

25
Q

1000 m =

A

1 km

26
Q

1 m = 10,000,000,000

A

angstroms

27
Q

liter

A

L
(bit more than a quart)
measures volume
how much space an obj takes up

28
Q

1 L = ___ ml or ____

A

1000 ml

1000 cubic cm

29
Q

unit measuring liquid volume

A

liters

mililiters

30
Q

unit measuring solid volume

A

cubic cm

cc

31
Q

unit measuring mass

A

kg

32
Q

mass is

A

the amount of matter in an object

33
Q

kilogram = ___ lbs

A

2.2

34
Q

mass of large obj

A

kg

35
Q

mass of small obj

A

gram

36
Q

mass of smaller obj

A

mg
milli-gram
one thousands of a gram

37
Q

density

A

how much mass is in a given volume of an object

mass per unit volume of an object

38
Q

formula to find density

A

density = mass / volume

39
Q

unit of measure for temperature

A

celsius

100 ^ boiling point
0^ freezing

room temp 21^
norm body temp 37^

40
Q

in a conversion fraction the numerator always ___ the denominator
so the fraction always equals ___

A

=

1

41
Q

to convert one metric unit to another you must

A

multipy the given value by the conversion factor

42
Q

to convert you place units to be converted in what part of the fraction

A

denominator = units to be converted

43
Q

steps of dimensional analysis

A

id given units / units to be converted

create a conversion factor

denominator of conversion factor is the same unit that is to be converted

cross multiply so that units to be converted ends up as the numerator

44
Q

what two liquids are commonly used in thermometer

A

:)

alcohol or mercury

45
Q

meniscus

A

curve of liquid in graduated cylinder - point at which liquid is measured
mm

46
Q

general properties of matter

A

mass
weight
volume
density

47
Q

mass can also be described as

A

inertia

48
Q

inertia

A

resistance of an object to changes in its motion

Galileo

49
Q

weight

A

exists because of objects mass, responce of the objects gravitational pull

50
Q

units to express density

A

g / cc

g/ mL

NAT SCI (8 decks)

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