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**Lesson 3 Measuring with SI and Metric Units**

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**Units of Measurement There are two types of units:**

SI Units There are two types of units: fundamental (or base) units; derived units.

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**There are 7 Fundamental (Base) SI Units**

Powers of ten are used for convenience with smaller or larger units in the SI system.

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**Common Non-SI Units Physical Quantity Name of Unit Abbreviation Volume**

Liter L Temperature Celsius oC Energy Calorie cal

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**Units of Measurement SI and Metric System Utilize prefixes**

Powers of ten are used for convenience with smaller or larger units. Selected Prefixes used in SI System

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Linear Measurement

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Linear Measurement Measurement of Distance from place to place Size Measuring Equipment Ruler Meter Stick Tape measure LASER

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Volume Measurement

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Volume Measurement Measurement of How much space an object takes up How much capacity Measuring Equipment Graduated cylinder Ruler

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Units of Measurement Volume

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**Units of Measurement Volume**

The units for volume are given by (units of length)3. SI unit for volume is 1 m3. We usually use 1 mL = 1 cm3. Other volume units: 1 L = 1 dm3 = 1000 cm3 = 1000 mL.

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Mass Measurement

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Mass Measurement Measurement of How much matter something has Measuring Equipment Balance

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**Temperature Measurement**

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**Temperature A measurement of:**

Average kinetic energy of the particles of matter Measuring equipment Thermometer Three temperature scales: Kelvin Scale Celsius Scale Fahrenheit Scale

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Metrics and Measurement kilohecto deca BASE UNITdecicentimilli (K) (h) (da) meter (m) (d) (cm) (mm) 1000 100 10 gram (g).1.01.001 liter (L) 1 *Hint: 1.

Metrics and Measurement kilohecto deca BASE UNITdecicentimilli (K) (h) (da) meter (m) (d) (cm) (mm) 1000 100 10 gram (g).1.01.001 liter (L) 1 *Hint: 1.

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