CHEM 105 (CHEM 105)

MEASUREMENTS Glenn V. Lo Department of Physical Sciences Nicholls State University MEASUREMENT assigning a value to an observation For science and trade: value assigned should be in reference to or traceable to a “standard” Reported measurement generally has 2 parts: ■ Number (indicates the value) ■ Unit (indicates the standard) ■ Ex: 5.0 kg ◆ (means 5.0 times the mass of a cylinder stored in a vault at the International Bureau of Weights and Measures in France; by a...

MEASUREMENTS Glenn V. Lo Department of Physical Sciences Nicholls State University MEASUREMENT assigning a value to an observation For science and trade: value assigned should be in reference to or traceable to a “standard” Reported measurement generally has 2 parts: ■ Number (indicates the value) ■ Unit (indicates the standard) ■ Ex: 5.0 kg ◆ (means 5.0 times the mass of a cylinder stored in a vault at the International Bureau of Weights and Measures in France; by a...