## UNIT II: Measurement

See File Section in Teams for Workbook pdf of Unit 2: Measurement

Sept 17/18

Sept 21/22 Goals: Know the difference between precision and accuracy; Be able to add, subtract, multiply, and divide using sig figs; take accurate measurements using sig figs

Sept 23 Online:

Sept 24

Sept 25 ProD day - no school

Continue on under Matter Tab

***Measurement Unit Test Sept 28/29***

__Sept 16 Chem 2A and 2B both Online:__- Read Through: Scientific Method PPT Notes, Practice: Chem WB p43 ( see above file) and Sci Method with SpongeBob WS
- Read Through: Scientific Notation Notes, Practice with Sci Notation WS
- Read SI Units PPT Notes, p16 Chem WB, #11-14 p19, 18, p22.
- Other Homework: study for Safety Quiz
- If time, practice Unit Conversions with Dimensional Analysis p 9-16 Chem WB but we will do some of this in class.

Sept 17/18

- Safety Quiz - Know what each safety symbol means, what precautions to take. Apply safety rules. You must get at least 75% to pass.
- Practice Scientific Notation questions and SI unit conversions from Workbook
- Practice Conversion with Dimensional Analysis, Practice Chem WB p11, 14, 15, Extra: Conversion WS
- Lab Activiy: Volume of a drop of water (to practice Scientific Method) - to be handed in.
- Homework: practice Simple unit conversion: Chem workbook Exercise #2 on p14 in class, check answers in back of workbook. Pick any 5 or until you get it, Multiple Conversions: Read examples of Chem workbook p14-15, try exercises #3-10, p15-16. Check answers in the back. Keep trying until you get it. Request any to do on board.
- HW: Preview Uncertainty, Precision, Accuracy PPT or Chem WB p30 - 36, we will cover this in class

Sept 21/22 Goals: Know the difference between precision and accuracy; Be able to add, subtract, multiply, and divide using sig figs; take accurate measurements using sig figs

- Unit Conversion, using metric quiz
- Hand in Volume of Drop of Water lab
- Uncertainty, Precision, Accuracy. Practice #43-47 page 29 (Accurate and precise, certain digits and measurements). Practice #48 p32, #49 p33 and #50 p34 (reading scales). Practice #51-52 p35 and #53 and 54 p36
- Significant Digits (. HW: •Read Chem WB p37- 40, Practice Exercises: #57,58 Chem WB on p40.
- Graphing. HW: Graphing Assignment - to be handed in.
- Other HW: Derived Quantities: Density, Chem WB p23, Try a few of exercises 31-41 on p26

Sept 23 Online:

- View Properties of Matter PPT Notes. HW: WB #13, 15 p44, #18 p47
- View Classifying Matter PPT Notes. HW: WB p33-44 p52
- View Separation Techniques PPT Notes. HW: WB #46, 53,54,56 p59
- HW: PreRead Lab 3A Thickness of a Thin Aluminum Sheet, p37 of lab manual.
- HW: PreRead Lab 3C Graphing as a Means of Seeking Relationships, p43 of lab manual --> There will be a prelab quiz
- HW: Prepare for Sig Fig Quiz next class

Sept 24

- Sig Fig Quiz
- Hand in Graphing Assignment
- Lab: Determining the thickness of Aluminum Foil - to be handed in today or next class
- PreLab quiz for Lab 3C
- Lab 3C: Graphing 3 Liquids - to be handed in - due next class

Sept 25 ProD day - no school

Continue on under Matter Tab

***Measurement Unit Test Sept 28/29***