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The S.I. system of measuring (metrics)

(Text Reading pages 36-42)

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S.I. Measurement The International System of Units (SI) is the standard measuring system for most scientists.

SI combines prefixes and base units to define large and small quantities.

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You will copy information from the textbook page 601 onto your work sheet. Fill out the top portion of the worksheet completely. When done, you will continue your notes from the video for answers to the bottom part of the worksheet

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Measurements

What type of measure is this?

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ANSWER1. Measurement of LENGTH (linear) includes height, and width2. SI Unit of measure = Meter3. English unit of measure = foot

or inch

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What type of measure is this?

20 lbs

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ANSWER1. Measurement of Mass (weight)2. SI Unit of measure = gram3. English unit of measure = ton, pound, ounce, short ton, long ton(be careful - an ounce and a fluid ounce are different)This is confusing, as mass is the amount of matter of an object, and weight is the force of gravity on an object.

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What type of measurement is this?

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ANSWER1. Measurement of Volume2. SI Unit of measure = liter3. English unit of measure =

ounce, cup, pint, quart, gallon

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What type of measure is this?

8 ft

3 ft

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ANSWER1.Measurement of Area2. SI Unit of measure = Square meter3. English unit of measure =

square inch, sq foot, acre

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What type of measure is this?

70 MPH

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ANSWER1. Measurement of velocity2. SI Unit of measure = meters per hour3. English unit of measure = miles

per hour

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How do you measure loudness of sound?

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ANSWER1. Measurement of decibels which is the unit in both SI & English

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How do you measure Heat?

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ANSWER1. Measurement of temperature2. SI Unit of measure = degrees Celsius (centigrade) or Kelvin3. English unit of measure = Fahrenheit

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How do you measure Light?

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ANSWER1. Measurement of light2. SI uses Lumens3. English uses Foot Candles

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What tools are used to measure?

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Linear measure: tools-> Ruler, meter stick, tapemeasure

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Weight Measure: tools->Scale; balance; weight tape (livestock)

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Volume Measure: tools-> tape measure, meter stick

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Capacity Measure: tools->Measuring cup; graduated cylinder,

pipette; measuring spoon, beaker

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Area Measure: tools-> yard stick, tape measure, wheel measure, survey tools

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Speed Measure: tools->Speedometer, radar, laser speed detector, photography (astronomy)

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Sound Measure: tools->Decibel meter, hydrophones (whale sounds)

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Light Measure: tools->Photometer

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Heat Measure: tools-> Thermometer, Infrared radiation meter.