- Talked about PPM (parts per million)
- What did we do with food colouring & water?
- Did you bring a drink with a nutritional label? What information do we get? Have a look at some bottled water, do you understand all of the units?
- Did some practice calculations on the board.
- Did a PPM worksheet. Do you understand the steps?
- Can you solve a PPM problem?
- Homework: sia9 p224 #6-10. You may do this on the same page as yesterday's homework (p224 #1-4, in case you forgot!)
- UNIT FINAL WEDNESDAY MARCH 3, 2010.
- 9D - good work today during the lock down.
Tuesday, February 23, 2010
Tuesday February 23, 2010
Today in SCIENCE we:
