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Measurement Notes
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Making a connection When you use water (and this works only for water)
1 ml = 1 cm3 = 1 g
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Reading the meniscus Always read at eye level to the bottom of the meniscus.
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Temperature Definition: Tool: Base unit:
Measurement of the average kinetic energy of molecules Tool: Thermometer Base unit: Celsius (co) and Kelvin (ko)
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Accuracy & Precision Accuracy: Precision:
Freedom from mistakes or errors; Correctness Average is close to accepted value. Precision: The ability to repeat; Repeatability Range from smallest to lowest is small.
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Accuracy and Precision Practice
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Decimals Go to hundredths for the following tools:
Meter Stick, Triple Beam Balance 1.75 g Go to tenths for the following tools: Graduated Cylinder, Thermometer, Beaker, Scale 153.4 ml, 25.4 C
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