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 objectExample: ruler

Tools Volume –Mass –Length -Temperature – Time –

Tools  

Can you name some units we use for:

VolumeMass –Length -Temperature –Time –

Metric Units Measurement Tool Units Abbreviations

Volume Beaker, graduated cylinder

Liters L

Mass Triple beam balance grams g

Length Ruler, meter stick, tape measure

meter m

Temperature thermometer Celsius C

Time Stop watch seconds s

Prefixes for measurement:

Conversions

1) 3.2 g = ____mg

2) 62m = ___ km

3) 85cm = _____m

4) 35ml= ____ L

Answers1) 3.2 g = __3200__mg

2) 62m = _0.062__ km

3) 85cm = _0.85____m

4) 35ml= _0.035___ L