Chapter 1 - Prefixes and SI Units

Vocabulary flashcards covering metric prefixes, SI power/energy units, and related concepts from Chapter 1.

Peta prefix (P)

10^15; example: 1 petawatt (PW) equals 10^15 watts.

Tera prefix (T)

10^12; example: 1 terawatt (TW) equals 10^12 watts.

Giga prefix (G)

10^9; example: 1 gigawatt (GW) equals 10^9 watts.

Mega prefix (M)

10^6; example: 1 megawatt (MW) equals 10^6 watts.

Kilo prefix (k)

10^3; example: 1 kilowatt (kW) equals 10^3 watts.

Deci prefix (d)

10^-1; example: 1 deciwatt (dW) equals 0.1 watts.

Centi prefix (c)

10^-2; example: 1 centiwatt (cW) equals 0.01 watts.

Milli prefix (m)

10^-3; example: 1 milliwatt (mW) equals 0.001 watts.

Micro prefix (μ)

10^-6; symbol μ; example: 1 microwatt (μW) equals 0.000001 watts.

Nano prefix (n)

10^-9; example: 1 nanowatt (nW) equals 0.000000001 watts.

Pico prefix (p)

10^-12; example: 1 picowatt (pW) equals 0.000000000001 watts.

Femto prefix (f)

10^-15; example: 1 femtowatt (fW) equals 0.000000000000001 watts.

Atto prefix (a)

10^-18; example: 1 attowatt (aW) equals 1×10^-18 watts.

Zepto prefix (z)

10^-21; example: 1 zeptowatt (zW) equals 1×10^-21 watts.

Watt (W)

SI unit of power; rate at which energy is generated or consumed; 1 W = 1 J/s.

Joule (J)

SI unit of energy; 1 J = 1 kg·m^2/s^2; 1 J = energy; 1 W = 1 J/s.

Mu symbol (μ)

Greek letter mu, pronounced 'mew'; used as the micro prefix symbol.

Picogram (pg)

A unit equal to 10^-12 grams.

Nanogram (ng)

A unit equal to 10^-9 grams.

Microsecond (μs)

A unit equal to 10^-6 seconds.

Millimeter (mm)

A unit equal to 10^-3 meters.

Kilowatt (kW)

A unit equal to 10^3 watts.