Educating for Sustainability
UNIT: Wastewater Context for Matter and Its Interactions
LESSON: Solubility and the problem with F.O.G
Part of a series of lessons in a unit called Wastewater Context for Matter and its interactions. Designed for middle school physical science, students will understand the how solubility plays a role in the problems F.O.G. (Fats, Oils and Grease) causes in the wastewater system and what to do about it
Suitable for Grades
Satisfies Academic Standards:
MS-PS1-2 - Properties of Substances
OSPI ESE 2: The Natural & Built Environment
Sustainable System Focus:
Buildings and Urban Planning
- Solubility is a characteristic property. Whether a solute will dissolve, or how much will dissolve in a particular solvent is characteristic of the solute.
- When fats oils and greases are put down the drain, they can cause serious clogging and cleaning issues
- King County and homeowners spend a lot of money a year unclogging fat clogged pipes. Simply changing behaviors can save that money
- Powerpoint - The FOG problem
Time needed: 1 class period
- Download and share the powerpoint slides with students
- Follow the directions in the notes sections for each slide for what to say
- Provide a copy of the “Fatberg” Article to each student, have them read it and respond with the following three questions:
- What surprised you in the article?
- What did the author assume you knew?
- What does this make you curious about?
End the class with a discussion around those questions