Measurements Flashcards
1
Q
What measurement system are length, gallons, and pounds under?
A
English System
2
Q
What measurement system are meters, liters, and grams under?
A
Metric System
3
Q
Feet measures?
A
Length
4
Q
Gallons measure?
A
Volume
5
Q
Pounds measure?
A
Weight
6
Q
Meters measure?
A
Length
7
Q
Liters measure?
A
Volume
8
Q
Grams measure?
A
Mass
9
Q
Every type of measurement has a ____ ____.
A
Base unit
10
Q
Other units have a base power of?
A
10
11
Q
The prefix of the unit name indicates if the unit is ______.
A
Larger
12
Q
What is the meaning, numerical value, and scientific notation of mega (M)?
A
Million - 1,000,000 - 10⁶
13
Q
What is the meaning, numerical value, and scientific notation of kilo (k)?
A
Thousand - 1,000 - 10³
14
Q
What is the meaning, numerical value, and scientific notation of deci (d)?
A
Tenth - 0.1 - 10^-1
15
Q
What is the meaning, numerical value, and scientific notation of centi (c)?
A
Hundredth - 0.01 - 10^-2
16
Q
What is the meaning, numerical value, and scientific notation of milli (m)?
A
Thousandth - 0.001 - 10^-3
17
Q
What is the meaning, numerical value, and scientific notation of micro (h)?
A
Millionth - 0.000 001 - 10^-6
18
Q
What is the meaning, numerical value, and scientific notation of nano (n)?
A
Billionth - 0.000 000 001 - 10^-9
19
Q
____ is a measure of the amount of matter in an object.
A
Mass
20
Q
______ is the force that matter feels due to gravity.
A
Weight
21
Q
1 kilogram (k) = * grams (g)
A
1,000 g
22
Q
1 miligram (mg) = * grams (g)
A
0.001 g
23
Q
1 kiloliter (kL) = * liters (L)
A
1,000 L
24
Q
1 milliliter (mL) = * liter (L)
A
0.001 L
25
What is the formula of volume?
Volume = length × width × height
26
Length (l) = 11 cm
Width (w) = 5 cm
Height (h) = 10 cm
What is the volume?
550 cm³
27
1 mL = * cm³ = 1 *
1 cm³ (cubic centimeter) = 1 cc (cubic centimeter)
28
An _____ ______ results from counting objects or is part of a definition.
Exact number
29
An _______ ______ results from a measurement or observation and contains some uncertainty.
Inexact number
30
These are all the digits in a measured
number including one estimated digit.
Significant figures
31
All _______ digits are always significant.
Nonzero
32
A zero is a significant number when It's between two _______ digits.
Nonzero
33
A zero is a significant number when it's at the ___ of a number with a decimal place.
End
34
A zero is not a significant figure when it occurs at the ________ of a number.
Beginning
35
A zero is not a significant figure when it occurs at the end of a number that does not have a _______.
Decimal
36
How many significant figures does 41.06 have?
4 sig. figures
37
How many significant figures does 2.6700 have?
5 sig. figures
38
How many significant figures does 0.078 have?
2 sig. figures
39
How many significant figures does 390. have?
3 sig. figures
40
How many significant figures does 2400 have?
2 sig. figures
41
Rules for Multiplication & Division: The answer has the same number of significant figures as the original number with the ______ significant.
Fewest
42
Round off 63.854545.
64
43
Rules for Addition & Subtraction: The answer has the same number of decimal placed as the original number with the ______ decimal places.
Fewest
44
The given are: 9.08 and 5.1
How many significant figures should the answer have?
9.08 = 3 sig. figures
5.1 = 2 sig. figures
= 2 sig. figures
45
In scientific notation, a number is written as: y × 10^x
y is the " ", while ^x is the " ".
y = coefficient
^x = exponent
46
A coefficient is a number between _ and _.
1 and 10
47
To convert a standard number to a scientific notation, move the decimal point to give a number _______ 1 and 10.
Between
48
To convert a standard number to a scientific notation, move the decimal point to give a number between _ and __.
1 and 10
49
To convert a standard number to a scientific notation, move the decimal point to give a number
between 1 and __.
50
Standard Number to Scientific Notation: x is the number of places the _______ was moved.
Decimal
51
Standard Number to Scientific Notation: When the decimal is moved to the left, the exponent (x) is ________.
Positive
52
Standard Number to Scientific Notation: When the decimal is moved to the right, the exponent (x) is ________.
Negative
53
Standard Number to Scientific Notation: 2500, x = *?
2.5, x = 3
54
Standard Number to Scientific Notation: 0.068, x = *?
6.8, x = -2
55
Scientific Notation to a Standard Number: When the exponent (x) is positive, move the decimal point x places to the _____.
Right
56
Scientific Notation to a Standard Number: When the exponent (x) is ________, move the decimal point x places to the right.
Positive
57
Scientific Notation to a Standard Number: When the exponent (x) is negative, move the decimal point x places to the ____.
Left
58
Scientific Notation to a Standard Number: When the exponent (x) is ________, move the decimal point x places to the left.
Negative
59
Scientific Notation to a Standard Number: 1.700 × 10², x = *?
x = 170.0
60
Scientific Notation to a Standard Number: 1.70 × 10^-2, x = *?
0.0170
61
Original Quantity × Conversion Factor = ?
Desired Quantity
62
Original Quantity × ? = Desired Quantity
Conversion Factor
63
Conversion factors are usually written as __________.
Equalities
64
A term that converts a quantity in one unit to a quantity in another unit.
Conversion Factor
65
Using conversion factors to convert a quantity in one unit to a quantity in
another unit.
Factor-label Method
66
Make sure all unwanted units ______.
Cancel
67
Always arrange the factors so that the denominator in one term cancels the _________ in the preceding term.
Numerator
68
2 pints = * quart
1 quart
69
1.06 quarts = * liter
1 liter
70
Write the answer with the correct number of
___________ _______.
Significant Figures
71
It is a measure of how hot or cold an object is.
Temperature
72
What is the formula to convert from C to
F?
F = 1.8(C) + 32
73
What is the formula to convert from C to
K?
K = C + 273
74
What is the formula to convert from F to
C?
C = (F − 32) / 1.8
75
What is the formula to convert from K to C?
C = K − 273
76
To convert from K to F, you must first convert from _ to _.
K to C
77
To convert from F to K, you must first convert from _ to _.
F to C
78
What is the boiling point of water in C, F, and K?
C = 100
F = 212
K = 373
79
What is the normal body temperature in C, F, and K?
C = 37
F = 98.6
K = 310
80
What is the freezing point of water in C, F, and K?
C = 0
F = 32
K = 273
81
What is the absolute zero in C, F, and K?
C = -273
F = -460
K = 0
82
A physical property that relates the mass of
a substance to its volume.
Density
83
What is the formula to convert volume (mL) to mass (g)?
mL × g/mL = g
84
What is the formula to convert mass (g) to volume (mL)?
g × mL/g = mL
85
g × mL/g = mL is the formula for the _______ of density.
Inverse
86
What is the unit of density for liquids?
g/mL
87
A quantity that compares the density of a substance with the density of water at the same temperature.
Specific Gravity
88
Specific gravity is a quantity that compares the density of a substance with the density of _____ at the same ___________.
Water, Temperature
89
The specific gravity of a substance is equal to its _______, but contains no units.
Density
90
The specific gravity of a substance is equal to its density, but contains no _____.
Units
