Chemistry Honors – Class 01

Dates

• Period A: Wednesday, January 6th
• Period B: Wednesday, January 6th
• Period F: Thursday, January 7th

Fall Semester Recap

• Return LNB
• Explain grading rubric
• How to ask me questions
• “Extra” points already built into the grade
• Proud of your performance

Plus / Delta

• what worked for the project?
• what could be improved?
• should I conduct this again?
• was it better than having a comprehensive final?
• Reminder: Fall Final Survey [LINK]

Enroll in Schoology for Spring Semester

• Period A = GC66J-HFXPD
• Period B = SN3VV-PSR55
• Period F = H9N2V-FRNWT

New Material: Measurement

• Activity in LNB = measuring length of test tube
• Use the different measuring devices provided
• What do you notice about the numbers written?
• What is needed to fully express measurement?
• WHY is there a difference?
• Good? Bad?
• NEW IDEA: Significant Figures

Practice Example

• examine the three “rulers” below
• measure Object A and Object B using all three rulers
• draw the rulers and write answers
• briefly support your answers

(thanks to Dr. Crystal Lin Yau – LINK)

Homework

• Complete the Practice Problem (shown above)
• Textbook Sections = 1.3, 1.4, 1.5, 1.7, 1.9