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This Toilet Graph assessment also includes:
Mathematics can model just about anything—so why not simulate the height of water in a toilet bowl? The lesson asks pupils to create a graphical model to describe the relationship of the height of the water as it empties and fills again. The graph produces both a seemingly linear and exponential relationship.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Show videos of a flushing toilet for learners to watch as they create their graphs
- For a more accurate graph, collect data about the height of the water over a given time by analyzing video
Classroom Considerations
- Requires a familiarity with graphing a relationship between independent and dependent variables
Pros
- The subject is familiar to everyone
- Produces different types of graphical relationships
Cons
- None