Introduction to Standardized Units of Measurement How does having standardized units help our society?

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Presentation transcript:

Introduction to Standardized Units of Measurement How does having standardized units help our society?

Stop Watch When would this instrument be used? What does this instrument measure? What units of measurement are used with this instrument? Describe problems that could occur if the units were not standardized?

Thermometer When would this instrument be used? What does this instrument measure? What units of measurement are used with this instrument? Describe problems that could occur if the units were not standardized?

Scale When would this instrument be used? What does this instrument measure? What units of measurement are used with this instrument? Describe problems that could occur if the units were not standardized?

Tape measure When would this instrument be used? What does this instrument measure? What units of measurement are used with this instrument? Describe problems that could occur if the units were not standardized?

Caliper When would this instrument be used? What does this instrument measure? What units of measurement are used with this instrument? Describe problems that could occur if the units were not standardized?

Measuring Cup When would this instrument be used? What does this instrument measure? What units of measurement are used with this instrument? Describe problems that could occur if the units were not standardized?

Radar Gun When would this instrument be used? What does this instrument measure? What units of measurement are used with this instrument? Describe problems that could occur if the units were not standardized?

Multi-meter When would this instrument be used? What does this instrument measure? What units of measurement are used with this instrument? Describe problems that could occur if the units were not standardized?

Sphygmomanometer When would this instrument be used? What does this instrument measure? What units of measurement are used with this instrument? Describe problems that could occur if the units were not standardized?

Information about Standard Units Examples of Standardized units Length (inches, mm) Area (in 2, mm 2, Acres) Volume (mm 3, in 3, gallons) Time (Seconds [s]) Velocity (meters/s, miles/hr) Mass (kilograms, slugs) Temperature ( o F, o C) Sound (decibels [dB]) Light (foot candles) Systems of measurement SI metric US Customary (old English system) Agency that govern US standards ANSI – American National Standards Institute