18. Describing Matter UNITS Quantity Symbol Unit Abbreviation Length L Meter m Mass m Kilogram kg Time t Second S Temperature T Kelvin K Amount of Substance n mole mol Electric current I Ampere A Luminous intensity Iv Candela cd
20. Describing Matter Prefixes Prefix Abbreviation Exponential multiplier Value example Yotta Y 10 24 septillion Zetta Z 10 21 sextillion Exa E 10 18 quintillion exabyte peta P 10 15 quadrillion tera T 10 12 trillion terabyte giga G 10 9 billion gigaHertz mega M 10 6 million Kilo K 10 3 thousand kilometer Base - 10 0 1
21. Describing Matter Prefixes Prefix Abbreviation Exponential multiplier Value example deci d 10 -1 tenth decibel centi c 10 -2 hundredth centimeter milli m 10 -3 thousandth milligram micro μ 10 -6 millionth microsecond nano n 10 -9 billionth nanometer pico p 10 -12 trillionth picoHertz femto f 10 -15 quadillionth femtosecond atto a 10 -18 quintillionth attometer zepto z 10 -21 Sextillionth
22. Measurements: Temperature Fahrenheit Celsius Kelvin 212° F 100°C 373 K Boiling point of water 32°F 0°C 273 K Freezing point of water -459.67°F -273°C 0 K Lowest possible temperature
34. Heat Transfer . Energy transfer due to a difference in temperature
35. Measurements: Temperature Fahrenheit Celsius Kelvin 212° F 100°C 373 K Boiling point of water 32°F 0°C 273 K Freezing point of water -459.67°F -273°C 0 K Lowest possible temperature
42. Significant Figures Any non-zero digit is Significant Any zero between non-zero digits is Significant All zeros to the left of the first non-zero digit are NOT significant Zeros that occur without a decimal point are NOT significant Zeros AFTER the decimal point are Significant