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Physics > M1: Measurements > Flashcards

M1: Measurements Flashcards

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1
Q

is a process of comparing an unknown physical
quantity to the standard or a basis.

A

measurement

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2
Q

are word or words affixed to the number in a measured
physical quantity.

A

UNITS

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3
Q

There are two
historically distinguished systems of measurements: British Imperial (_______
system) and the _______- System of Units. (SI)

A

English, International

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4
Q

The British Imperial or English
system is also known as the _____-_______-________ (FPS).

A

foot-pound-second

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5
Q

The International System of
Units (SI) is an extension of the ________ system and is used in Science and by most
nations.

A

metric

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6
Q

[COMMONLY USED SI PREFIXES]

e__ (E) - 10^18
p____ (P) - 10^15
t____ (T) - 10^12
G____ (G) - 10^9
M____ (M) - 10^6
k____ (k) - 10^3
h______ (h) - 10^2
d____ (D) - 10
u____ - 10^0
d____ (d) - 10^-1
c_____ (c) - 10^-2
m______ (m) - 10^-3
m_____ (μ) - 10^-6
n____ (n) -10^-9
p____ (p) 10^-12
f_____ (f) = 10^-15

A

exa
peta
tera
Giga
Mega
kilo
hecto
deca
unity
deci
centi
milli
micro
nano
pico
femto

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7
Q

In the scientific notation A x10^n, A is a number that ranges from _ to _

A

1 to 9

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8
Q

In getting the product of numbers written in scientific notation, the
coefficients are __________ and the exponents are ———-.

A

multiplied, added

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9
Q

In finding the quotient of scientific notations, ______ the coefficients and
________ the exponents.

A

divide, subtract

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10
Q

is the process of associating numbers with physical quantities and phenomena

A

measurement

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11
Q

is basically the metric system

A

SI system

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12
Q

ENGLISH TO METRIC (length)

1 Foot (ft.) = ____ meter (m)

A

0.3

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13
Q

ENGLISH TO METRIC (length)

1 Inch(in.) = ____ m

A

0.03

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14
Q

ENGLISH TO METRIC (length)

1 mile (mi.) = ______m

A

1600

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15
Q

ENGLISH TO METRIC (length)

1 yard (yd.) = ____m

A

0.9

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16
Q

ENGLISH TO METRIC (mass)

1 ton= _________ grams (g)

A

907185

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17
Q

ENGLISH TO METRIC (mass)

1 Pound (lb.) = ____grams (g)

A

454

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18
Q

ENGLISH TO METRIC (volume)

1 Tablespoon (tbsp.) = _____ milliliters
(ml)

A

14.79

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19
Q

ENGLISH TO METRIC (volume)

1 Teaspoon (tsp.) = __ ml

A

5

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20
Q

ENGLISH TO METRIC (volume)

1 cubic foot (ft3) = _____ m3

A

0.03

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21
Q

METRIC TO ENGLISH (length)

1 meter = ____ feet

A

3.3

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22
Q

METRIC TO ENGLISH (length)

1 meter = ____ inches

A

39.4

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23
Q

METRIC TO ENGLISH (length)

1 meter = _______ mile (mi.) .

A

0.0006

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24
Q

METRIC TO ENGLISH (length)

1 meter = ___ yards (yd.)

A

1.1

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25
Q

METRIC TO ENGLISH (mass)

1 kg = _______ ton

A

0.001

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26
Q

METRIC TO ENGLISH (mass)

1kg = ___ pounds (lbs)

A

2.2

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27
Q

METRIC TO ENGLISH (volume)

1 liter = ____ quarts

A

1.1

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28
Q

METRIC TO ENGLISH (volume)

1 LITER = ___ TABLESPOON

A

67.6

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29
Q

1 cm = ___ MILLIMETER (MM)

A

10

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30
Q

1 meter = ____ centimeters

A

100

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31
Q

1 km = ________ meters

A

1000

32
Q

1 kilogram = ____ grams

A

1000

33
Q

1 g = _____ milligrams (mg)

A

1000

34
Q

1 liter = _____ milliliters

A

1000

35
Q

1 foot = ___ inches

A

12

36
Q

1 yard = __ ft

A

3

37
Q

1 mile = _____ yards

A

1760

38
Q

1 lb = ___ ounces (oz)

A

16

39
Q

1 tablespoon = __ teaspoon

A

3

40
Q

1 cup = __ tablespoon

A

16

41
Q

1 cup = __ fluid ounces (fl oz)

A

8

42
Q

1 pint (pt) = __ cups

A

2

43
Q

1 quart (qt) = __ pints

A

2

44
Q

1 gallon (gal) = __ quarts

A

4

45
Q

1 gallon = ___ fluid ounces

A

128

46
Q

1 hectare = __________ sq meters

A

10000

47
Q

1 sq. mk = ____ hectares (ha)

A

100

48
Q

1 sq. km = ____________ sq. meters

A

1,000,000

49
Q

1 decimeter = __ centimeters

A

10

50
Q

1 decagram = ____ grams

A

10

51
Q

1 tonne (1 megagram (Mg)) = _____ kg

A

1000

52
Q

1 gigagram (Gg) = ____ megagrams

A

1000

53
Q

1 centiliter (cl) = __ milliliters

A

10

54
Q

1 deciliter (dl) = ___ centiliters

A

10

55
Q

1 LITER = ___ deciliter

A

10

56
Q

1 kiloliter (kl ) = _____ liters

A

1000

57
Q

fahrenheit to celcius

__/__ (F-32)

A

5/9

58
Q

CELCIUS TO FAHRENHEIT

(__/__ x C ) +32

A

9/5

59
Q

perimeter

triangle = a + b + c
rectangle = _________
parallelogram = same with rectangle
rhombus = same with rectangle
trapezoid = __________________
circle = 2(pi)r

A

RECTANGLE = 2(L+W)
trapezoid = a + b + c + d

60
Q

area

triangle = 1/2(_____ x _____)
rectangle = length x width
parallelogram and rhombus = ______ x _____
trapezoid = ( a+b/2) h
circle = (pi)r^2

A

triangle = 1/2(Base x Height)
rectangle = length x width
parallelogram and rhombus = length x height

61
Q

volume

cube = s^3
rectangular prism = ___ x ___ x ____
sphere = 4/3(pi)(r^3)
cylinder = (pi)(r^2)(h)

A

rectangular prism = l x w x h

62
Q

scientific notation

0.00671->
456000000 ->

A

6.71 x 10^-3
4.56 x 10^8

63
Q

is the process of associating numbers with physical quantities and phenomena.

A

Measurement

64
Q

Accurate m______________ is a vital tool for doing science, a consistent set of units for measurement is necessary.

A

Measurement

65
Q

Physicists throughout the world use the I___________ s________of Units (also called the SI system).

A

international system of units

66
Q

The SI system is basically the m________system, which is convenient because units of different size are related by powers of ___.

A

metric
10

67
Q

is a way of writing very large or very small numbers that uses exponents. Numbers are written in this format:

A

scientific notation

68
Q

describes the nearness of a measurement to the standard or true value, i.e., a highly accurate measuring device will provide measurements very close to the standard, true or known values.

A

accuracy

69
Q

is the degree to which several measurements provide answers very close to each other.

A

precision

70
Q

The factors contributing to uncertainty in a measurement include the following:

l________of the measuring device

The s______of the person making the measurement

I___________ in the object being measured

Any other factors that affect the outcome (highly dependent on the situation)

A

Limitations of the measuring device

The skill of the person making the measurement

Irregularities in the object being measured

Any other factors that affect the outcome (highly dependent on the situation)

71
Q

are often more useful than qualitative observations.

A

measurements

72
Q

It is an indicator of the scatter in the data. The lesser the scatter, higher the _______.

A

precision

73
Q

is a way of writing very large or very small numbers that uses exponents. Numbers are written in the format a × 10b.

A

scientific notation

74
Q

describes the nearness of a measurement to the standard or true value

A

accuracy

75
Q

is the degree to which several measurements provide answers very close to each other.

A

precision

Physics (5 decks)

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