1. Nuclear Sustainability PBL Day 4
Mrs. Wilson

2. - Continue research for your sustainability project.
Objectives
- For a half-life problem, calculate mass remaining, original mass, time elapsed, or half- life.
- Continue research for your sustainability project.
Homework: Continue research. Presentations on Tues and Wed Thermo/Nuclear/sem 1 Test on Thurs and Fri 2-19.

3. Today’s Agenda
- Your choice: workshop as a class over half-life problems, or workshop with an individual from each group while everyone else continues work.
**Half-life calculations are on the test. Questions #2, 3, 4, 5, and 10, in the Lesson 4.8b homework are good practice (see the homework answers for the answers). Answers to today’s workshop are posted online.
- Continue research (COW computers are in Mrs. Moore’s room)
- Project managers: make sure everyone knows where the project rubrics are; maintain bibliography; turn in Group Worklog #2 at end of class. The bibliography is due on the day of the presentation.
- Everyone: turn in Individual Worklog #2 at end of class

5. http://goo.gl/forms/l0YYiJrRU0 http://goo.gl/forms/WlNc61AHNw
Worklog Links (also posted on today’s blog post)
Project Managers only:
EVERYONE (including Project Managers):