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### Chapter 2: Data Analysis

Section 2.1 Units of Measure
1. Define SI base units for time, length, mass, and temperature.
2. Explain how adding a prefix changes a unit.
3. Compare the derived units for volume and density.

Section 2.2 Scientific Notation and Dimensional Analysis
1. Express numbers in scientific notation.
2. Use dimensional analysis to convert different units of measure.

Section 2.3 How reliable are measurements?
1. Define and compare accuracy and precision.
2. Use significant figures and rounding to reflect the certainty of data.
3. Use percent error to describe the accuracy of experimental data.

Homework
##### Section 2.1 Units of Measurement
 8/17/2017 Finding HW on my website 8/17/2017 Video Link : Tyler DeWitt on unit cancellation basics. Take notes for background 8/18/2017 Practice Problems from whiteboard       Given             Find       Equality       25 in             ? feet       (12 in = 1 ft)       68 m             ? cm       (100 cm = 1 m)       5.5 qts       ? gallons   (4 quarts = 1 gal)       92 mL           ? L           (1000 mL = 1 L 8/21/2017 4 problems given in today's whiteboard file can also be found by clicking this link. This is the page in the whiteboard file that has tonight's homework problems, along with you completed examples showing how I want you to do them. These problems are just like the problems we've been doing so far. 8/23/2017 Read pages 25 - 30 and answer questions 1-5 on p. 29-30 8/24/2017 Today's Handouts Sig Figs the Easy Way - printer icon Converting Unit of measure - PDF icon 9/8/2017 Complete your lab write-up. Follow my RUBRIC for all 3 days of the Density Lab. Link for the final version of the Density Lab RUBRIC is at this link. 9/25/2017 Link for Density Practice fill-in Chart 4 problems 4-10 (5 pts) Use 1/2 of 1 side of an 8.5x11" paper for each problem. WRITE BIG
##### Section 2.2 Scientific Notation and Dimensional Analysis
 8/17/2017 Unit Cancellation Basics 8/31/2017 Video of Today's DO NOW. One multiply problem and one division problem. 9/8/2017 Complete your lab write-up. Follow my RUBRIC for all 3 days of the Density Lab. Link for the final version of the Density Lab RUBRIC is at this link.
##### Section 2.3 How reliable are measurements?
 8/28/2017 12 min vid explaining tonights HW writing numbers with units of measure in scientific notation 9/11/2017 p39 31(a,b,c,d) & 32(a,b,c,d) and p41 33(a,b,c,d) & 34 (a,b,c,d)
##### Section 2.4 Representing Data
In Class Assignments
Lecture Notes
Standards
Tests and Quizes
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