SI Units Flashcards: 7 Base Units & 22 Named Derived Units
Practice all 7 SI base units and 22 derived units with special names: quantities, symbols, and base-unit expressions in one installable deck.
O tej talii
Most SI lists are easy to scan and awkward to recall. These 110 text-only cards turn the complete core into small retrieval tasks: all seven base units and all 22 derived units with special names and symbols.
What the cards practice
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Quantity ↔ unit and symbol: recall each base quantity and every named derived quantity in both directions.
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Named unit ↔ coherent base-unit expression: expand all 22 special names, then reverse the mapping with the quantity supplied whenever an expression is shared.
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Notation and distinctions: keep case, spacing, symbol grammar, Hz/Bq, Gy/Sv, rad/sr, and kelvin/degree Celsius intervals straight.
The deck leaves out prefixes, conversions, non-SI units, unnamed derived units, significant figures, uncertainty, laboratory procedures, historical definitions, defining-constant values, and proprietary exam material. Expression-to-unit prompts always state the quantity, so shared expressions such as s⁻¹ and m²·s⁻² stay unambiguous.
The sequence establishes the seven base units first. It then alternates the 22 named units with a deterministic stride before moving from identity recall to base-unit expressions. Related directions and easy-to-confuse units stay at least three unrelated cards apart; the review scheduler handles longer-term spacing after installation.
Facts were checked against the BIPM SI Brochure, 9th edition, version 4.01 and NIST SP 330 §2, with notation checked against NIST SP 330 §5. The 2026 BIPM edition expresses radian and steradian as unit one; this deck follows that current form. No source prose, third-party deck text, or exam content was copied.
An AI tool helped draft and sequence the cards and generated the cover. Every final front and back was manually checked against the official SI tables. The original questions, answers, selection, sequence, metadata, and cover are shared under CC0 1.0 to the extent those elements can be dedicated; the underlying SI facts remain common knowledge.
Karty w tej talii
Karta 1
Pytanie
What is the SI base unit for time?
Odpowiedź
second (s).
Karta 2
Pytanie
What is the SI base unit for length?
Odpowiedź
metre (m).
Karta 3
Pytanie
What is the SI base unit for mass?
Odpowiedź
kilogram (kg).
Karta 4
Pytanie
What is the SI base unit for electric current?
Odpowiedź
ampere (A).
Karta 5
Pytanie
What is the SI base unit for thermodynamic temperature?
Odpowiedź
kelvin (K).
Karta 6
Pytanie
What is the SI base unit for amount of substance?
Odpowiedź
mole (mol).
Karta 7
Pytanie
What is the SI base unit for luminous intensity?
Odpowiedź
candela (cd).
Karta 8
Pytanie
Which SI base quantity uses the second (s)?
Odpowiedź
Time.
Karta 9
Pytanie
Which SI base quantity uses the metre (m)?
Odpowiedź
Length.
Karta 10
Pytanie
Which SI base quantity uses the kilogram (kg)?
Odpowiedź
Mass.
Karta 11
Pytanie
Which SI base quantity uses the ampere (A)?
Odpowiedź
Electric current.
Karta 12
Pytanie
Which SI base quantity uses the kelvin (K)?
Odpowiedź
Thermodynamic temperature.
Karta 13
Pytanie
Which SI base quantity uses the mole (mol)?
Odpowiedź
Amount of substance.
Karta 14
Pytanie
Which SI base quantity uses the candela (cd)?
Odpowiedź
Luminous intensity.
Karta 15
Pytanie
Which SI unit with a special name is used for plane angle?
Odpowiedź
radian (rad).
Karta 16
Pytanie
Which SI unit with a special name is used for energy, work, or amount of heat?
Odpowiedź
joule (J).
Karta 17
Pytanie
Which SI unit with a special name is used for electric resistance?
Odpowiedź
ohm (Ω).
Karta 18
Pytanie
Which SI unit with a special name is used for Celsius temperature?
Odpowiedź
degree Celsius (°C).
Karta 19
Pytanie
Which SI unit with a special name is used for dose equivalent?
Odpowiedź
sievert (Sv).
Karta 20
Pytanie
Which SI unit with a special name is used for force?
Odpowiedź
newton (N).
Karta 21
Pytanie
Which SI unit with a special name is used for electric potential difference?
Odpowiedź
volt (V).
Karta 22
Pytanie
Which SI unit with a special name is used for magnetic flux density?
Odpowiedź
tesla (T).
Karta 23
Pytanie
Which SI unit with a special name is used for activity referred to a radionuclide?
Odpowiedź
becquerel (Bq).
Karta 24
Pytanie
Which SI unit with a special name is used for solid angle?
Odpowiedź
steradian (sr).
Karta 25
Pytanie
Which SI unit with a special name is used for power or radiant flux?
Odpowiedź
watt (W).
Karta 26
Pytanie
Which SI unit with a special name is used for electric conductance?
Odpowiedź
siemens (S).
Karta 27
Pytanie
Which SI unit with a special name is used for luminous flux?
Odpowiedź
lumen (lm).
Karta 28
Pytanie
Which SI unit with a special name is used for catalytic activity?
Odpowiedź
katal (kat).
Karta 29
Pytanie
Which SI unit with a special name is used for pressure or stress?
Odpowiedź
pascal (Pa).
Karta 30
Pytanie
Which SI unit with a special name is used for capacitance?
Odpowiedź
farad (F).
Karta 31
Pytanie
Which SI unit with a special name is used for inductance?
Odpowiedź
henry (H).
Karta 32
Pytanie
Which SI unit with a special name is used for absorbed dose or kerma?
Odpowiedź
gray (Gy).
Karta 33
Pytanie
Which SI unit with a special name is used for frequency?
Odpowiedź
hertz (Hz).
Karta 34
Pytanie
Which SI unit with a special name is used for electric charge?
Odpowiedź
coulomb (C).
Karta 35
Pytanie
Which SI unit with a special name is used for magnetic flux?
Odpowiedź
weber (Wb).
Karta 36
Pytanie
Which SI unit with a special name is used for illuminance?
Odpowiedź
lux (lx).
Karta 37
Pytanie
What quantity uses the radian (rad)?
Odpowiedź
Plane angle.
Karta 38
Pytanie
What quantity uses the joule (J)?
Odpowiedź
Energy, work, and amount of heat.
Karta 39
Pytanie
What quantity uses the ohm (Ω)?
Odpowiedź
Electric resistance.
Karta 40
Pytanie
What quantity uses the degree Celsius (°C)?
Odpowiedź
Celsius temperature.
Karta 41
Pytanie
What quantity uses the sievert (Sv)?
Odpowiedź
Dose equivalent.
Karta 42
Pytanie
What quantity uses the newton (N)?
Odpowiedź
Force.
Karta 43
Pytanie
What quantity uses the volt (V)?
Odpowiedź
Electric potential difference.
Karta 44
Pytanie
What quantity uses the tesla (T)?
Odpowiedź
Magnetic flux density.
Karta 45
Pytanie
What quantity uses the becquerel (Bq)?
Odpowiedź
Activity referred to a radionuclide.
Karta 46
Pytanie
What quantity uses the steradian (sr)?
Odpowiedź
Solid angle.
Karta 47
Pytanie
What quantity uses the watt (W)?
Odpowiedź
Power and radiant flux.
Karta 48
Pytanie
What quantity uses the siemens (S)?
Odpowiedź
Electric conductance.
Karta 49
Pytanie
What quantity uses the lumen (lm)?
Odpowiedź
Luminous flux.
Karta 50
Pytanie
What quantity uses the katal (kat)?
Odpowiedź
Catalytic activity.
Karta 51
Pytanie
What quantity uses the pascal (Pa)?
Odpowiedź
Pressure and stress.
Karta 52
Pytanie
What quantity uses the farad (F)?
Odpowiedź
Capacitance.
Karta 53
Pytanie
What quantity uses the henry (H)?
Odpowiedź
Inductance.
Karta 54
Pytanie
What quantity uses the gray (Gy)?
Odpowiedź
Absorbed dose and kerma.
Karta 55
Pytanie
What quantity uses the hertz (Hz)?
Odpowiedź
Frequency.
110 kart
SI Units Flashcards: 7 Base Units & 22 Named Derived Units
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Karta 56
Pytanie
What quantity uses the coulomb (C)?
Odpowiedź
Electric charge.
Karta 57
Pytanie
What quantity uses the weber (Wb)?
Odpowiedź
Magnetic flux.
Karta 58
Pytanie
What quantity uses the lux (lx)?
Odpowiedź
Illuminance.
Karta 59
Pytanie
Express the radian (rad) in coherent SI base units.
Odpowiedź
1. The symbol rad keeps the plane-angle context explicit.
Karta 60
Pytanie
Express the joule (J) in coherent SI base units.
Odpowiedź
kg·m²·s⁻².
Karta 61
Pytanie
Express the ohm (Ω) in coherent SI base units.
Odpowiedź
kg·m²·s⁻³·A⁻².
Karta 62
Pytanie
Express the degree Celsius (°C) in coherent SI base units.
Odpowiedź
K. A degree Celsius and a kelvin have the same size; their zero points differ.
Karta 63
Pytanie
Express the sievert (Sv) in coherent SI base units.
Odpowiedź
m²·s⁻².
Karta 64
Pytanie
Express the newton (N) in coherent SI base units.
Odpowiedź
kg·m·s⁻².
Karta 65
Pytanie
Express the volt (V) in coherent SI base units.
Odpowiedź
kg·m²·s⁻³·A⁻¹.
Karta 66
Pytanie
Express the tesla (T) in coherent SI base units.
Odpowiedź
kg·s⁻²·A⁻¹.
Karta 67
Pytanie
Express the becquerel (Bq) in coherent SI base units.
Odpowiedź
s⁻¹. Use Bq for stochastic nuclear transformations, not periodic phenomena.
Karta 68
Pytanie
Express the steradian (sr) in coherent SI base units.
Odpowiedź
1. The symbol sr keeps the solid-angle context explicit.
Karta 69
Pytanie
Express the watt (W) in coherent SI base units.
Odpowiedź
kg·m²·s⁻³.
Karta 70
Pytanie
Express the siemens (S) in coherent SI base units.
Odpowiedź
kg⁻¹·m⁻²·s³·A².
Karta 71
Pytanie
Express the lumen (lm) in coherent SI base units.
Odpowiedź
cd·sr. Since sr has unit one, this is dimensionally cd; sr keeps the solid-angle context explicit.
Karta 72
Pytanie
Express the katal (kat) in coherent SI base units.
Odpowiedź
mol·s⁻¹.
Karta 73
Pytanie
Express the pascal (Pa) in coherent SI base units.
Odpowiedź
kg·m⁻¹·s⁻².
Karta 74
Pytanie
Express the farad (F) in coherent SI base units.
Odpowiedź
kg⁻¹·m⁻²·s⁴·A².
Karta 75
Pytanie
Express the henry (H) in coherent SI base units.
Odpowiedź
kg·m²·s⁻²·A⁻².
Karta 76
Pytanie
Express the gray (Gy) in coherent SI base units.
Odpowiedź
m²·s⁻².
Karta 77
Pytanie
Express the hertz (Hz) in coherent SI base units.
Odpowiedź
s⁻¹. Use Hz for periodic phenomena.
Karta 78
Pytanie
Express the coulomb (C) in coherent SI base units.
Odpowiedź
A·s.
Karta 79
Pytanie
Express the weber (Wb) in coherent SI base units.
Odpowiedź
kg·m²·s⁻²·A⁻¹.
Karta 80
Pytanie
Express the lux (lx) in coherent SI base units.
Odpowiedź
cd·sr·m⁻². Since sr has unit one, this is dimensionally cd·m⁻²; sr keeps the solid-angle context explicit.
Karta 81
Pytanie
For plane angle, which named SI unit has the coherent base-unit expression 1?
Odpowiedź
radian (rad).
Karta 82
Pytanie
For energy, work, or amount of heat, which named SI unit has the coherent base-unit expression kg·m²·s⁻²?
Odpowiedź
joule (J).
Karta 83
Pytanie
For electric resistance, which named SI unit has the coherent base-unit expression kg·m²·s⁻³·A⁻²?
Odpowiedź
ohm (Ω).
Karta 84
Pytanie
For Celsius temperature, which named SI unit has the coherent base-unit expression K?
Odpowiedź
degree Celsius (°C).
Karta 85
Pytanie
For dose equivalent, which named SI unit has the coherent base-unit expression m²·s⁻²?
Odpowiedź
sievert (Sv).
Karta 86
Pytanie
For force, which named SI unit has the coherent base-unit expression kg·m·s⁻²?
Odpowiedź
newton (N).
Karta 87
Pytanie
For electric potential difference, which named SI unit has the coherent base-unit expression kg·m²·s⁻³·A⁻¹?
Odpowiedź
volt (V).
Karta 88
Pytanie
For magnetic flux density, which named SI unit has the coherent base-unit expression kg·s⁻²·A⁻¹?
Odpowiedź
tesla (T).
Karta 89
Pytanie
For activity referred to a radionuclide, which named SI unit has the coherent base-unit expression s⁻¹?
Odpowiedź
becquerel (Bq).
Karta 90
Pytanie
For solid angle, which named SI unit has the coherent base-unit expression 1?
Odpowiedź
steradian (sr).
Karta 91
Pytanie
For power or radiant flux, which named SI unit has the coherent base-unit expression kg·m²·s⁻³?
Odpowiedź
watt (W).
Karta 92
Pytanie
For electric conductance, which named SI unit has the coherent base-unit expression kg⁻¹·m⁻²·s³·A²?
Odpowiedź
siemens (S).
Karta 93
Pytanie
For luminous flux, which named SI unit has the coherent base-unit expression cd·sr?
Odpowiedź
lumen (lm).
Karta 94
Pytanie
For catalytic activity, which named SI unit has the coherent base-unit expression mol·s⁻¹?
Odpowiedź
katal (kat).
Karta 95
Pytanie
For pressure or stress, which named SI unit has the coherent base-unit expression kg·m⁻¹·s⁻²?
Odpowiedź
pascal (Pa).
Karta 96
Pytanie
For capacitance, which named SI unit has the coherent base-unit expression kg⁻¹·m⁻²·s⁴·A²?
Odpowiedź
farad (F).
Karta 97
Pytanie
For inductance, which named SI unit has the coherent base-unit expression kg·m²·s⁻²·A⁻²?
Odpowiedź
henry (H).
Karta 98
Pytanie
For absorbed dose or kerma, which named SI unit has the coherent base-unit expression m²·s⁻²?
Odpowiedź
gray (Gy).
Karta 99
Pytanie
For frequency, which named SI unit has the coherent base-unit expression s⁻¹?
Odpowiedź
hertz (Hz).
Karta 100
Pytanie
For electric charge, which named SI unit has the coherent base-unit expression A·s?
Odpowiedź
coulomb (C).
Karta 101
Pytanie
For magnetic flux, which named SI unit has the coherent base-unit expression kg·m²·s⁻²·A⁻¹?
Odpowiedź
weber (Wb).
Karta 102
Pytanie
For illuminance, which named SI unit has the coherent base-unit expression cd·sr·m⁻²?
Odpowiedź
lux (lx).
Karta 103
Pytanie
How are SI unit names capitalized in English?
Odpowiedź
They normally start with a lowercase letter, even when named after a person. Within this deck, the proper-name modifier in degree Celsius keeps its capital C.
Karta 104
Pytanie
What determines capitalization in an SI unit symbol?
Odpowiedź
Symbols derived from proper names start with a capital letter; the others are lowercase. Case is mandatory and meaningful.
Karta 105
Pytanie
How do SI unit symbols behave in plurals and at sentence endings?
Odpowiedź
They never take a plural ending, and they take no period unless the symbol ends a sentence. Unit symbols are mathematical symbols, not abbreviations.
Karta 106
Pytanie
How should a number and an SI unit symbol be spaced?
Odpowiedź
Put a space between them: 25 m and 20 °C. In °C, the degree sign and C stay together.
Karta 107
Pytanie
Both hertz and becquerel reduce to s⁻¹. When is each used?
Odpowiedź
Use hertz (Hz) for periodic phenomena and becquerel (Bq) for activity referred to a radionuclide. The shared expression doesn't make the quantities interchangeable.
Karta 108
Pytanie
Both gray and sievert reduce to m²·s⁻². What distinguishes them?
Odpowiedź
Gray (Gy) is used for absorbed dose or kerma; sievert (Sv) is used for dose equivalent. The quantity context determines the special name.
Karta 109
Pytanie
Radian and steradian both have coherent unit expression 1. What distinguishes them?
Odpowiedź
Radian (rad) is used for plane angle; steradian (sr) is used for solid angle. Their symbols preserve the quantity context.
Karta 110
Pytanie
For temperature intervals, how do kelvin and degrees Celsius compare?
Odpowiedź
A change of 1 K equals a change of 1 °C. Their zero points differ, so absolute temperatures aren't numerically equal.
110 kart
SI Units Flashcards: 7 Base Units & 22 Named Derived Units
Otworzy się Nibomo, żeby od razu zacząć naukę.