September 27, 2010 IOT POLY ENGINEERING I1-17

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Presentation transcript:

September 27, 2010 IOT POLY ENGINEERING I1-17 DRILL: A. Given a stack of individual blocks as shown. How many more blocks are needed to fill the empty spaces and form a large cube? Write down your answer. B. If all of the visible blocks were to disappear suddenly, how many blocks would remain? Write down your answer.

INTRODUCTION TO METROLOGY IOT POLY ENGINEERING I1-17 INTRODUCTION TO METROLOGY

METROLOGY should not be confused with meteorology. IOT POLY ENGINEERING I1-17 METROLOGY is the science of measurement, based on the Greek word ‘metron’. METROLOGY should not be confused with meteorology. Yesterday, with a partner, you were to discuss and make a list of the following: Why do we measure? What do we measure? How do we measure? When do we measure? Where do we measure? Who do we measure? Now, let’s discuss a few of the answers!

IOT POLY ENGINEERING I1-17 We will now look at 3 of the 7 base units in the International System of Units (SI).

IOT POLY ENGINEERING I1-17 LENGTH

IOT POLY ENGINEERING I1-17 MASS

IOT POLY ENGINEERING I1-17 TIME

Copyright © 1998-2006 Newton Metrology Ltd. IOT POLY ENGINEERING I1-17 "METROLOGY is the science and art of measurement. Measurement is extracting information from nature or from devices people have engineered. It is also about the uncertainty in the extracted data, communicating it to other people in a standard way, and making them confident in our measurements by establishing traceable measurement systems.“ Copyright © 1998-2006 Newton Metrology Ltd. You will now receive a 4-sided concise summary of the International System of Units (SI). Read and study this summary now, as it may help you to find some answers to the homework.

September 27, 2010 IOT POLY ENGINEERING I1-17 HOMEWORK: LETTER your answers. Use complete sentences. Define the following 10 terms: STANDARD, ACCURACY, PRECISION, CALIBRATION, TRACEABILITY, DERIVED UNIT, BASE UNIT, ERROR, PERCENTAGE OF ERROR, UNCERTAINTY REMEMBER TO BRING YOUR RULER, PROTRACTOR, AND COMPASS TOMORROW.