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Physics > M1: Measurements > Flashcards

M1: Measurements Flashcards

(75 cards)

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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
METRIC TO ENGLISH (mass) 1 kg = _______ ton
0.001
26
METRIC TO ENGLISH (mass) 1kg = ___ pounds (lbs)
2.2
27
METRIC TO ENGLISH (volume) 1 liter = ____ quarts
1.1
28
METRIC TO ENGLISH (volume) 1 LITER = ___ TABLESPOON
67.6
29
1 cm = ___ MILLIMETER (MM)
10
30
1 meter = ____ centimeters
100
31
1 km = ________ meters
1000
32
1 kilogram = ____ grams
1000
33
1 g = _____ milligrams (mg)
1000
34
1 liter = _____ milliliters
1000
35
1 foot = ___ inches
12
36
1 yard = __ ft
3
37
1 mile = _____ yards
1760
38
1 lb = ___ ounces (oz)
16
39
1 tablespoon = __ teaspoon
3
40
1 cup = __ tablespoon
16
41
1 cup = __ fluid ounces (fl oz)
8
42
1 pint (pt) = __ cups
2
43
1 quart (qt) = __ pints
2
44
1 gallon (gal) = __ quarts
4
45
1 gallon = ___ fluid ounces
128
46
1 hectare = __________ sq meters
10000
47
1 sq. mk = ____ hectares (ha)
100
48
1 sq. km = ____________ sq. meters
1,000,000
49
1 decimeter = __ centimeters
10
50
1 decagram = ____ grams
10
51
1 tonne (1 megagram (Mg)) = _____ kg
1000
52
1 gigagram (Gg) = ____ megagrams
1000
53
1 centiliter (cl) = __ milliliters
10
54
1 deciliter (dl) = ___ centiliters
10
55
1 LITER = ___ deciliter
10
56
1 kiloliter (kl ) = _____ liters
1000
57
fahrenheit to celcius __/__ (F-32)
5/9
58
CELCIUS TO FAHRENHEIT (__/__ x C ) +32
9/5
59
perimeter triangle = a + b + c rectangle = _________ parallelogram = same with rectangle rhombus = same with rectangle trapezoid = __________________ circle = 2(pi)r
RECTANGLE = 2(L+W) trapezoid = a + b + c + d
60
area triangle = 1/2(_____ x _____) rectangle = length x width parallelogram and rhombus = ______ x _____ trapezoid = ( a+b/2) h circle = (pi)r^2
triangle = 1/2(Base x Height) rectangle = length x width parallelogram and rhombus = length x height
61
volume cube = s^3 rectangular prism = ___ x ___ x ____ sphere = 4/3(pi)(r^3) cylinder = (pi)(r^2)(h)
rectangular prism = l x w x h
62
scientific notation 0.00671-> 456000000 ->
6.71 x 10^-3 4.56 x 10^8
63
is the process of associating numbers with physical quantities and phenomena.
Measurement
64
Accurate m______________ is a vital tool for doing science, a consistent set of units for measurement is necessary.
Measurement
65
Physicists throughout the world use the I___________ s________of Units (also called the SI system).
international system of units
66
The SI system is basically the m________system, which is convenient because units of different size are related by powers of ___.
metric 10
67
is a way of writing very large or very small numbers that uses exponents. Numbers are written in this format:
scientific notation
68
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.
accuracy
69
is the degree to which several measurements provide answers very close to each other.
precision
70
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)
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
are often more useful than qualitative observations.
measurements
72
It is an indicator of the scatter in the data. The lesser the scatter, higher the _______.
precision
73
is a way of writing very large or very small numbers that uses exponents. Numbers are written in the format a × 10b.
scientific notation
74
describes the nearness of a measurement to the standard or true value
accuracy
75
is the degree to which several measurements provide answers very close to each other.
precision

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