What is Measurement?
{{for|measure in music notation|Bar (music)}} {{no sources|date=October 2021}} Measurement means compare to a fix standard value. To '''measure''' something is to give a number to some property of the thing. Measuring something puts the [[amount]] of the thing into [[number]]s. Measurement can be written using many different units. For example, if we want to compare two different sized container for holding a given quantity of liquid, we can ask: Are both containers the same size? Will they hold the same amount of liquid? == What can be measured? == Many things can be measured. Some properties of things that can be measured: * '''[[Distance]]''': For example, distance measurements can be used to answer the following questions; ** How far is the [[city]] from here? ** How far apart are these two [[trees]]? ** How long is this [[stick]]? * '''[[Weight]]''': For example, weight measurements can be used to answer the following questions; ** What is heavier, this group of [[apple]]s or that group of [[banana]]s? ** Did John lose weight in the last year? ** Will putting this rock in the [[boat]] make the boat [[wikt:sink|sink]]? * '''[[Temperature]]''': For example, temperature measurements can be used to answer the following questions; ** Where is hotter today? In London or in Paris? ** Will this ice turn into water if I put it inside? ** Is Sally [[Illness|sick]]? Does Sally have a [[fever]]? * '''[[Volume]]''': For example, volume measurements can be used to answer the following questions; ** How many pails of water do I need to fill up the bath tub? ** How much [[olive oil]] do I put in this food I am making? ** How many blocks can I fit in this box? * '''[[Pressure]]''': For example, pressure measurements can be used to answer the following questions; ** How much air should I put in this [[automobile]] [[tire]]? ** Will the weather stay good or will we have a storm? ** Will my ears pop when I climb that hill? One can measure many other things. == Units of measurement == {{main|Unit of measurement}} Most [[wikt