Monday, 8/31/15
We will explore rounding rules in chemistry.
Opening Question: How do you decide where to round numbers?
- Worksheet: Significant Figures ChemQuest
- Homework: Significant Figures ChemQuest (due Tuesday)
Tuesday, 9/1/15
We will learn how to identify numbers as significant.
Opening Question: What is a ‘significant figure’?
- Notes: Significant Figures (student copy)
- Notes: Significant Figures (teacher copy)
- Worksheet: Rounding and Significant Figures
Wednesday, 9/2/15
We will practice calculating with significant figures.
Opening Question: Circle the digits that are significant
a) 0.003120
b) 710,200
c) 9,000
- Worksheet: Rounding and Significant Figures
- Worksheet: Significant Figures – Another Worksheet
- Homework: Significant Figures – Another Worksheet (due Thursday)
Thursday, 9/3/15
We will learn the difference between accuracy and precision in a lab setting.
Opening Question: Perform the following calculations (report all answers in sig figs)
a) 1.31 x 203.7 =
b) 1.234 + 2 =
c) 1.0236 – 0.9 =
d) 50 / 6.3578 =
- Grade Significant Figures – Another Worksheet
- Lab: Accuracy and Precision with Density Part A
Friday, 9/4/15
We will learn about and apply the concepts of density.
Opening Question: What is the difference between precision and accuracy?
- Quiz: Significant Figures
- Lab: Accuracy and Precision with Density Part B
- Homework: Finish Accuracy and Precision with Density Lab questions (due Tuesday)
Sneak Peek at Next Week
- Labor Day – No School (Monday)
- Measurement Exam (Wednesday)