micrograms, ug) per mass of soil (kilogram, kg). What does it mean to be one in a million? This TedEd video helps us visualize this idea. Imagine trying to imagine the unimaginable. When referring to gas concentrations in the atmosphere, values in parts per million are typically understood to mean parts per million volume (abbreviated ppmv) as opposed to parts per million mass. Here's a one in a million video that helps viewers conceptualize a really, really, really big number and how a single unit can make a really, really, really, really big difference. There are 10 million bricks in the Empire State Building, so one part per million would be a pile of just ten. Often when we are measuring workplace contaminants the limits of exposure or the reading on the device used to measure the contaminant will read in PPM – but what exactly does that mean? A million kernels of corn is about 1,250 ears, so one kernel in that truckload would be one part per million. And finally, 100 people worked together to animate this video. ppm is a value that represents the part of a whole number in units of 1/1000000. Sometimes concentrations in soil are reported as parts per million (ppm) or parts per billion (ppb). What is a part per million (PPM)? ppm is an abbreviation of parts per million. Parts per million and parts per billion may be converted from one to the other using this relationship: 1 part per million = 1,000 parts per billion. The attendees used iStopMotion and After Effects to visualize one part per million. This is written as mg/kg or ug/kg. “Parts per million” is a scientific unit of measurement that counts the number of units of one substance per one million units of another. But because it’s hard to conceptualize really large numbers, it can be difficult to wrap our brains around what “one part per million” really means. This measurement is the mass of a chemical or contaminate per … 100+ animators from the TED-Ed community show you 9 ways to wrap your brain around this colossal concept: “Parts per million” is a scientific unit of measurement that counts the number of units of one substance per one million units of another. This volume concentration essentially tells us what fraction of all atmospheric gas molecules are carbon dioxide molecules. This is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter (mg/L). a little less than one part per million. ppm is dimensionless quantity, a ratio … The event where this workshop happened was TEDSummit 2016 and was run by TED-Ed. What does ppm mean? This How to Visualize One Part per Million Video is suitable for 6th - 12th Grade.