PHYSICS BASICS Science Measurements in addition to Units MEASUREMENTS 100 meters INTERNATIONAL SYSTEM OF UNITS (SI units)
Corbin, Lori, Food Coach (Editor) has reference to this Academic Journal, PHwiki organized this Journal PHYSICS BASICS Science Measurements in addition to Units MEASUREMENTS Measurements consist of a number in addition to a unit. Example 100 meters the number of units the unit INTERNATIONAL SYSTEM OF UNITS (SI units) Developed as long as the sake of Consistency (minimize errors) Clarity (ease of underst in addition to ing) Communication (sharing data)
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BASE SI UNITS (st in addition to ard units) Measured quantity DERIVED UNITS Derived Units: Combinations of the 7 base units. Examples Area (length x width) m x m = m2 Velocity (distance/time) = m/s 10 meters 5 meters 50 m2 How to Measure Know how to operate the measuring instrument Which unit(s) is represented What does each tick mark represent Are there multiple scales Did you zero out the instrument (if possible) Be skilled in addition to patient enough to measure with the greatest detail possible
What do the tick marks represent on a meter stick What unit is represented by the smallest tick mark on the meter stick m dm cm mm What do the tick marks represent on a meter stick What is the measurement In mm 65 mm In cm 6.5 cm In dm .65 dm In m 0.065 m ACCURACY Accuracy is the extent to which a measurement approaches the true value. Your Time: 2:05 pm Actual Time: 2:10 pm Your accuracy is off by 5 minutes
– The bulls eye represents the true value. – The darts represent three separate measurements accurate less accurate these darts show good accuracy which paint ball mark is more accurate PRECISION Precision is the degree of exactness of a measurement. Bas
Discussion Question When shooting free throws, is it better to be precise or accurate Its better to be accurate.
Corbin, Lori Food Coach (Editor)
Corbin, Lori is from United States and they belong to KABC-TV and they are from Glendale, United States got related to this Particular Journal. and Corbin, Lori deal with the subjects like Food
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