1 / 8

The SI System of Measurement

The SI System of Measurement. The Nature of Measurement. A Measurement is a quantitative observation consisting of TWO parts. Part 1 - number Part 2 - scale (unit) Examples: 20 grams 6.63 x 10 -34 Joule·seconds. The Fundamental SI Units (le Système International, SI).

trina
Download Presentation

The SI System of Measurement

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. The SI System of Measurement

  2. The Nature of Measurement A Measurement is a quantitative observation consisting of TWO parts • Part 1-number • Part 2-scale (unit) • Examples: • 20grams • 6.63 x 10-34Joule·seconds

  3. The Fundamental SI Units(le Système International, SI)

  4. SI PrefixesCommon to Chemistry

  5. Metric Conversions g m L 103 10-1 10-2 10-3 102 101 kilo hecto deka Base unit deci centi milli Conversions in the metric system are merely a matter of moving a decimal point. The “base unit” means the you have a quantity (grams, meters, Liters, etc without a prefix.

  6. Metric Conversions g m L 103 10-1 10-2 10-3 102 101 kilo hecto deka Base unit deci centi milli 1 2 3 18 L 18 liters = 18 000 milliliters Example #1: Convert 18 liters to milliliters

  7. Metric Conversions g m L 103 10-1 10-2 10-3 102 101 kilo hecto deka Base unit deci centi milli 3 2 1 450 mg = 0.450 g 450 mg Example #2: Convert 450 milligrams to grams

  8. Metric Conversions g m L 103 10-1 10-2 10-3 102 101 kilo hecto deka Base unit deci centi milli 2 3 1 4 5 6 20 kg 20 kg = 20 000 000 mg Example #3: Convert 20 kilograms to milligrams

More Related