Dates

- P1 – Tuesday, January 17th
- P3 – Friday, January 13th
- P5 – Tuesday, January 17th

How many digits can I get?

- Beaker (50-mL)
- Beaker (1000-mL)
- Graduated Cylinder (100-mL)
- Graduated Cylinder (1000-mL)
- Flask (250-mL)
- Buret (50-mL)
- Glass Thermometer
- Digital Thermometer
- Top-Loading Balance (400-g)
- Analytical Balance

Uncertainty of Each Device

- Determine the absolute uncertainty in each device
- Determine the relative uncertainty in each device assuming a measurement that is the maximum for the device
- Determine the relative uncertainty in each device assuming a measurement that is half of the maximum for the device
- Patterns?
- How can I use this to determine the best device for the job?

“Trigger Words” in Lab – Why?

- right / wrong
- good / bad
- error
- precise
- accurate

~~Organizing Information~~

~~Data Tables~~~~Units~~~~Goals of Data Presentation~~

Sig Figs

- How many sig figs in a measurment?
- Examples
- Is there such thing as an “exact” measurment?

Homework

- Review Sci Notation (Ch. 1)
- Ch 1 (28 – 34)
- SPREAD OUT WORK
- UNITS

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