Measurement

Metrology Science of measurement, embracing both experimental and theoretical determinations at any level of uncertainty in any field of science and technology We measure many different dimensions, like length, mass, time, and temperature. We use different units to measure different sizes of dimensions

Scientific Measurement Two main systems Many more US Customary Based on arbitrary measurements that have lasted through history Conversions are hard to remember/calculate Metric Based on powers of ten Prefixes determine magnitude of power of ten Change English to US Customary

US Customary Write down as many units as you can Foot Pint Second Fathom Inch Cup Teaspoon League Yard Pound Tablespoon Rod Mile Ounce Acre Chain Gallon Ton Bushel Dram Quart Fahrenheit Peck Slug Furlong Blob

Converting Units Multiply by a conversion factor 12 1 inches 4 feet x = 48 feet mi hr 65 5280 ft 1 hr 1 min = ft sec 95 x 1 mi 60 min 60 sec

Metric System Prefixes Symbol Power Tera T 1012 Giga G 109 Mega M 106 kilo k 103 meter, Liter, gram 100 deci d 10-1 centi c 10-2 milli m 10-3 micro μ 10-6 nano n 10-9 pico p 10-12 Remove Mega and Giga

Density Amount of matter in a given amount of space Amount of mass in a given volume

Temperature Measure related to the heat of an object Measured in °Celsius, Kelvin(no degrees), and Fahrenheit Conversion

Temperature

Percent Error