Our endeavor to measure the world around us has prompted us to build tools that have benefited mankind for many years. As technology continues to evolve, we will only continue to innovate and create even more complex measurements. The History of Measurements Measurement, loosely defined is the length, amount, or size of something that is measured.
Length If there were any measurement that has proven to be the most useful to humanity, it would be length. Volume Among all of the units of measurement, volume is the most useful to those who deal with money such as merchants and tax collectors. Time Time can be considered an abstract measurement. The measurement of time has and still does play such a massive role in modern society that it requires a much further breakdown and analysis: Sundial As mentioned before the easiest way to track time is to record the movement of the sun across the sky.
Water Clock Known as the clepsydra to the Greeks, the water clock attempts to measure time by tracking the amount of water that drips into a basin or tank.
Hourglass The hourglass uses the same principle as the water clock, but instead of water, it utilizes sand. The hour during the 14th century During the 14th century fragmenting the length of a day into hours was much akin to solving a math problem The day was divided into 12 segments because the number 12 can be divided by 2, 3, and 4.
Minutes and seconds in the 14th — 16th century Distinguishing the 24 hours in a solar cycle alone was no longer satisfactory as the 14th century continued to progress.
Capacitive sensor Principle In the modern era, capacitors are used to make a variety of measurements. General applications for a capacitive sensor include: Liquid level detection The AS delivers nanometer level resolution for ultra-high-precision measurements Counting Material level control Induction molding process Capacitive probes are also extremely reliable because of their durability.
Conclusion Unified measuring systems have brought humankind together. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. However, you may visit "Cookie Settings" to provide a controlled consent.
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Amanda Morin. Amanda Morin is a freelance writer specializing in child development, parenting, and education. Featured Video. Cite this Article Format. Morin, Amanda. International System of Measurement SI. Page Layout Measurements in Points and Picas. Map Scale: Measuring Distance on a Map. Math Glossary: Mathematics Terms and Definitions. Your Privacy Rights.
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I Accept Show Purposes. To measure weight , a child might be given a lever balance like the one below , a lump of plasticine and lots of equal-sized blocks.
They may be asked to work out how many blocks weigh the same as the lump of plasticine. They may then be given another object, such as a pencil, and asked to work out how many blocks weigh the same as the pencil. If they use fewer blocks this time, they should be able to understand the concept of the plasticine weighing more than the pencil and be able to put this into a sentence verbally, for example: The plasticine is heavier than the pencil.
OR The pencil is lighter than the plasticine. Another example of using non-standard units would be to use hand span to measure length.
For example: a child might be asked to measure the length of their table using their hand span. They would then record how many hand spans the table was and record this. They might then be asked to measure the length of a book. They would need to express what they had learnt verbally with statements such as: The book is shorter than the table.
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