Unit 2

On completion of the unit you should be able to:

1. define the following terms: mass, volume, temperature, significant figures, density and specific gravity.
2. identify the number of significant figures in a measurement.
3. round off the results of calculations to the correct number of significant figures.
4. express measurements in scientific notation with the correct number of significant figures.
5. identify the SI units commonly used to measure mass, volume, length and temperature.
6. define the commonly used metric prefixes.
7. perform conversions using conversion factors.
8. given any of the following (mass, volume and density), calculate the unknown.
9. given any two of the following (mass, volume and specific gravity), calculate the unknown.

MEASUREMENT
2.1 Metric system

Reading: Hebden – page 9 – 16
2.2 Temperature measurements
2.3 Scientific notation – to be covered by Physics. Apply the concepts when carrying out calculations in this course.
2.4 Dimensional analysis
Reading: Hebden – page 19 – 23
2.5 Precision accuracy and uncertainty – to be covered by Physics. Apply the concepts when carrying out calculations in this course.

2.6 Significant figures – to be covered by Physics. Apply the concepts when carrying out calculations in this course.

2.7 Calculations involving significant figures – to be covered by Physics. Apply the concepts when carrying out calculations in this course.

Reading: Hebden – page 26 – 34
2.8 Density
Reading: Hebden – page 24 – 25
2.9 Specific gravity
PROBLEMS:
Significant figures
Unit conversion
Word problems

LAB INSTRUCTORS
OFFICE HOURS

Bob Bower SW3-4092
Mon 1230-1320
Wed 1130-1220
Thurs 930-1020, 1130-1220
Fri 930-1020

Maria Tirado SW3-4606
Mon 1030-1220
Tues 1330-1420
Wed 1130-1220
Thurs 1130-1220

Jennifer Wolf SW3-4090
Wed 1230-1320
Thurs 1230-1420
Fri 1130-1220

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