WARM UP “To be as much as we can be, we must dream of being more.”

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Presentation transcript:

WARM UP “To be as much as we can be, we must dream of being more.” How does this apply to your life? How does this apply to measuring in Chemistry?

Metric Prefixes Notes

The Big Bang Theory

Metric and SI Prefixes Based on decimal system Modify a base unit Everything in 10’s Modify a base unit Written before Make unit value smaller or larger

Prefix Names and Units Prefix Unit Value Nano- (n) .000000001 Micro- (µ) .000001 Milli- (m) 0.001 Centi- (c) 0.01 Deci- (d) .1 BASE UNIT – L, g, etc. (no prefix) 1.0 Kilo- (k) 1000. Prefix Names and Units

Prefix Conversions The Metric Steps! Kilo- BASE UNIT Deci- Centi- Milli- Micro- Nano- The Metric Steps!

WRAP UP List at least 5 metric prefixes, in order from smallest to largest. Convert: 2.4 cm to km 1.8 g to ng

WARM UP “An instrument is only as good as its operator.” What does this mean to you? How does this apply to Chemistry?

List 5 measurements, their SI unit, and the unit label. WRAP UP List 5 measurements, their SI unit, and the unit label.

WARM UP List the number of decimal places you should write down when measuring with... Ruler (in cm) Thermometer Clock 2. Check your answers with the people around you – they should be the same!

WRAP UP List the number of decimal places you should write down when measuring with... Electronic balance 10-mL graduated cylinder 100-mL graduated cylinder 2. Check your answers with the people around you – they should be the same!