Measurement Notes.

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Presentation transcript:

Measurement Notes

Making a connection When you use water (and this works only for water) 1 ml = 1 cm3 = 1 g

Reading the meniscus Always read at eye level to the bottom of the meniscus.

Temperature Definition: Tool: Base unit: Measurement of the average kinetic energy of molecules Tool: Thermometer Base unit: Celsius (co) and Kelvin (ko)

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.

Accuracy and Precision Practice

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