Materials List:
Concentrate This!
Sugar or Salt...
https://www.teachengineering.org/activities/view/wsu_concentrate_activity1
Sugar or Salt...
Section 1- Boiling Point Data
Each group needs:
- beaker tongs or hot gloves
- calculator
- 300 ml beaker
- thermometer
- burner or hotplate
- 200 ml water
- Section 1 Worksheet
- graduated cylinder
- glass stir rod
- aluminum foil (4" x 4" piece) used to form a lid over beaker during boiling
To share with the entire class:
- electronic balance (capable of weighing 200 ml water plus beaker weight)
- salt, approximately 250 g for every other group (each group only tests one solute)
- sugar, approximately 540 g for every other group (each group only tests one solute)
Section 2 - Data Analysis
Each group needs:
- Section 2 Worksheet
- calculator
- ruler
Section 3 - Design
Each group needs:
- beaker tongs or hot gloves
- calculator
- 300 ml beaker
- thermometer
- burner or hotplate
- 200 ml water
- Section 3 Worksheet
- graduated cylinder
- glass stir rod
- aluminum foil (4" x 4" piece) used to form a lid over beaker during boiling
To share with the entire class:
- electronic balance (capable of weighing 200 ml water plus beaker weight)
- salt, approximately 100 g per group
- sugar, approximately 180 g per group