Vocabulary
time, standardized, hour, minute, second, volume, liter, milliliter, measurement, distance, length, displacement, kilometer, meter, centimeter, yard, foot, inch, conversions, ratio, unit, conversion, foot, yard, mile, diameter, circumference, pi, rotation, unit measurements, conversions metric system, milliliters, grams, kilometers, meters, inches, miles, feet, conversion, factor, liters, metric system, customary system, millimeters, centimeters, yards, inches, feet, seconds, minutes, hours, ratio, conversion, metric system, kilogram, gram, milliliter, liter, measurement, units, converting units, ratios, proportion, numerator, denominator, variable, units for length, weight, volume