Significant Fugures

Front 1

S.I. Units

Back 1

Based on metric system; International units

Front 2

Mass

Back 2

Kg (kilograms)

Front 3

Length

Back 3

m (meter)

Front 4

Time

Back 4

s (seconds)

Front 5

Temperarure

Back 5

K (kelvin)

Front 6

Electrical Current

Back 6

a (ampere)

Front 7

Amount of substance

Back 7

mol (mole)

Front 8

Luminous density

Back 8

cd (candela)

Front 9

Dimensional Analysis

Back 9

converting units

Front 10

accuracy

Back 10

agreement of a measurement to some true value

Front 11

Precision

Back 11

agreement of a series of measurement to the same quantity

Front 12

sig figs (significant figures)

Back 12

how precise a measurement is

Front 13

sig fig rule 1

Back 13

nonzero digits are significant

Front 14

sig fig rule 2

Back 14

leading zeros are never significant

Front 15

sig fig rule 3

Back 15

zeros between nonzeros are significant

Front 16

sig fig rule 4

Back 16

trailing zeros are not significant unless there is a decimal place

Front 17

sig fig rule 5

Back 17

scientific notation only shows significant figures

Front 18

finding the last sig fig by × ÷ / ^

Back 18

take the lowest s.f. from all terms

Front 19

finding the last sig fig by + -

Back 19

highest decimal place from all last s.f.

Front 20

NSN

Back 20

normalized scientific notation

Front 21

Rϵ

Back 21

random error

Front 22

Sϵ

Back 22

systematic error

Front 23

ϵ

Back 23

error

Front 24

ϵ = Rϵ + Sϵ

Back 24

random variations (Rϵ) + fixed faults (Sϵ) = error (ϵ)

Front 25

When Rϵ is high....

Back 25

P(precision) is low

Front 26

When Rϵ & Sϵ are low....

Back 26

A (accuracy) is high

Front 27

deca-

Back 27

da (10 to power 1)

Front 28

hecto-

Back 28

h (10 to power 2)

Front 29

kilo-

Back 29

k (10 to power 3)

Front 30

mega-

Back 30

M (10 to power 6)

Front 31

giga-

Back 31

G (10 to power 9)

Front 32

tera-

Back 32

T (10 to power 12)

Front 33

peta-

Back 33

P (10 to power 15)

Front 34

exa-

Back 34

E (10 to power 18)

Front 35

zetta-

Back 35

Z (10 to power 21)

Front 36

yotta-

Back 36

Y (10 to power 24)

Front 37

deci-

Back 37

d (10 to power -1)

Front 38

centi-

Back 38

c (10 to power -2)

Front 39

milli-

Back 39

m (10 to power -3)

Front 40

micro-

Back 40

μ (10 to power -6)

Front 41

nano-

Back 41

n (10 to power -9)

Front 42

pico-

Back 42

p (10 to power -12)

Front 43

femto-

Back 43

f (10 to power -15)

Front 44

atto-

Back 44

a (10 to power -18l

Front 45

zepto-

Back 45

z (10 to power -21)

Front 46

yocto-

Back 46

y (10 to power -24)

Front 47

1 inch

Back 47

2.54 cm

Front 48

1 ft

Back 48

12 inch

Front 49

1 mile

Back 49

1.609 km

Front 50

1 kg

Back 50

10 (to power of 3)g

Front 51

1 ton

Back 51

10 (to power of 3)kg = 1 Mg

Front 52

1 lb

Back 52

16 oz = 0.4536 kg

Front 53

1 L

Back 53

1 dm(to power of 3) = 1.057 qt

Front 54

1 mL

Back 54

10(to power -3)L = 1 cm(power of 3)

Front 55

1 gal

Back 55

3.785 L

Front 56

Temperature (SI)

Back 56

measure of total kinetic energy

Front 57

Kelvin

Back 57

T (0 and up)

Front 58

Celsius

Back 58

T - 273.15 K

Front 59

Farenheit

Back 59

T - 459.67 F

Front 60

1 K

Back 60

= 1 Celsius = 1.8 Farenhit

Front 61

homogenous mix

Back 61

Physical hmg, chemical mix

Hint 61

Tea

Front 62

heterogeneous mix

Back 62

physical htg, chemical mix

Hint 62

Tea bag

Front 63

homogeneous pure substance

Back 63

physical hmg, pure substance

Hint 63

Sugar cubes

Front 64

heterogeneous pure substance

Back 64

physical htg, pure substance

Hint 64

water/ice