Agenda
- Task launch: The Unknown Substance — read the criteria before planning
- Plan your tests and justify the order — safest and cheapest first
- Bench time: run your plan, record everything, revise as you go
- How this is judged: How Marks Work, What a Strong Entry Looks Like
- Discuss: Chemicals We Live With — what a label does not tell you
- If you want more bench time: Help Sessions
Things to do before our next class
- Finish The Unknown Substance — evidence for your identification, with units and sensible significant figures.
- Journal: a test you would drop, and what you would run instead.