CHEMISTRY Pre-AP Unit I: Measurement and Calculation Chapters 1 and 2 |

Objectives: The student should be able to:

1. Describe the accepted rules of laboratory safety.

2. Identify common pieces of laboratory equipment

3. Differentiate between accuracy and precision.

4. Use significant digits to express the exactness of measurements.

5. Make measurements of length, mass and volume in the metric system using the appropriate laboratory equipment.

6. Perform conversions of measurements within the metric system and between SI and common units using dimensional analysis.

7. Perform calculations using density measurements.

Activities:

Aug 16: Class policies, Introduction to Chemistry, Begin discussion of lab safety

Aug 17: Finish Safety rules, Laboratory techniques, and Lab equipment, Scientific Method

Aug 18: Questions on safety and techniques, Lecture on SI units, Scientific notation and Significant digits.

Aug 21: Lecture on Operations with Significant Digits, Accuracy versus Precision.

Aug 22: Quiz on Lab Safety and Techniques, Discuss lab quiz

Aug 23: Lecture: Dimensional Analysis.

Aug 24: Discuss dimensional analysis problems, Review for test, Retake on Lab Safety.

Aug 25: Unit I test, Discuss lab report format

Aug 28: Lab: Using Density to Find the Thickness of a Wire

Homework:

Aug 16: Read handouts

Aug 17: Read Chapters 1 and 2

Aug 18: Chapter 2 Practice Problems12 – 16, 31 - 34

Aug 21: Chapter 2 Practice Problems 35 – 38, Study for lab quiz

Aug 22: Worksheet on Significant Digits and Scientific Notation

Aug 23: Worksheet on Dimensional Analysis, Study for Lab Safety Retake

Aug 24: Study for test.

Aug 25: Prelab on Using Density

Aug 28: Read Chapter 3, Work on lab report Due Sept 5

**Lecture Materials:**

Aug 21: Lecture on Operations with Significant Digits, Accuracy versus Precision.