Qualitative/Quantitative Lesson 2 "Measuring with Significant Figures"
Science and Technology Standards:
PA Standard 3.4.12A
PA Standard 3.4.12D
PA Standard 3.7.12B
Purpose:
1. I will define chemistry.
2. I will provide examples of matter.
3. I will identify physical and chemical changes.
4. I will review my mathematics knowledge.
5. I will define and describe the relationship between significant figures and uncertainty in a measurement.
Homework Due:
1. *Review - Basic Math used in Chemistry: Math Comprehension (Due Lesson 2)
2. Cover textbook (Due Lesson 2)
3. Read and take notes on Sections 1.2 (Due Lesson 2)
4. *Review - Basic Math used in Chemistry: Percentage (Due Lesson 3)
5. *Review - Basic Math used in Chemistry: Ratio and Proportion (Due Lesson 3)
6. Read and take notes on Sections 3.1 - 3.5 (Due Lesson 3)
*Quantitative Class Only
Handouts/Supplies:
1. Basic Math used in Chemistry Answers (Overhead)
2. Measuring with Significant Figures WS #1
I. Introduction
Opening Assignment:
Warm-Up: 1. Define chemistry.
2. Provide an example of a physical change.
3. Provide an example of a chemical change.
Check over the homework:
1. Review- Basic Math used in Chemistry: Math Comprehension
2. Covered textbook
3. Section 1.2 Notes
State the purpose
II. The Lesson:
Activity #1: Review warm-up (A Review of Section 1.2)
Activity #2: Review problems in Basic Math Review: Math Comprehension (Quant Only)
Activity #3: Discuss measuring with significant figures
Activity #4: Complete Measuring with Significant Figures WS #1: 1 - 3
Activity #5: Review Measuring with Significant Figures WS #1: 1 - 3
Activity #6: Complete the following:
1. Basic Math Review: Percentage (Quant Only)
2. Basic Math Review: Ratio and Proportion (Quant Only)
3. Sections 3.1 - 3.5 Notes
4. Measuring with Significant Figures WS #1: 4 - 7 (Check students work in class)
5. Sections 2.4 – 2.5 Notes
6. Self-Check Exercises 2.2 & 2.3
III. Closure:
Summary Assignment:
Summarize today's lesson:
1. Measure the volume of water in a graduated cylinder or beakers A, B, C, & D using the metric system.
2. Review volume measurement(s).
Homework Assignment (Write down in planners):
1. *Review - Basic Math used in Chemistry: Percentage (Due Lesson 3)
2. *Review - Basic Math used in Chemistry: Ratio and Proportion (Due Lesson 3)
3. Sections 3.1 - 3.5 Notes(Due Lesson 3)
4. Sections 2.4 - 2.5 Notes (Due Lesson 4)
5. Self-Check Exercises 2.2 & 2.3 (Due Lesson 4)
*Quantitative Class Only
Preview of Next Class:
1. Classification of Matter
2. Elements, Compounds, & Mixtures
3. Separation of Mixtures
4. Measuring with Significant Figures
Page maintained by: Stephen A. Roe
Last update: Tuesday, January 23, 2007 7:54 PM
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