# Measurement Notes. Measure the length of your table.

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Measurement Notes

Measure the length of your table

SI Units SI (System International) – system of measurement that is used by scientists all over the world. These are mostly the same units as the metric system except for temperature Why do scientists need a common measurement system?

Units vs. Tools Unit – what an object is measured in Example: inches Tool – Something used to measure an object Example: ruler

Tools Volume – Mass – Length - Temperature – Time –

Tools

Can you name some units we use for: Volume Mass – Length - Temperature – Time –

Metric Units MeasurementToolUnitsAbbreviations VolumeBeaker, graduated cylinder LitersL MassTriple beam balancegramsg LengthRuler, meter stick, tape measure meterm TemperaturethermometerCelsiusC TimeStop watchsecondss

Prefixes for measurement:

Conversions 1)3.2 g = ____mg 2)62m = ___ km 3)85cm = _____m 4)35ml= ____ L

Answers 1) 3.2 g = __3200__mg 2) 62m = _0.062__ km 3) 85cm = _0.85____m 4) 35ml= _0.035___ L