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In this math lesson, learners design an experiment to model a leaky faucet and determine the amount of water wasted due to the leak. Using the data they gather in a table, learners graph and write an equation for a line of best fit. Learners then use their derived equation to make predictions about the amount of water that would be wasted from one leak over a long period of time or the amount wasted by several leaks during a specific time period. [Activity is publicly available through a web crawler capture on Archive.org.]
- Under 5 minutes
- 45 to 60 minutes
- 1 cent - $1 per group of students
- Ages 11 - 14
- Activity, Experiment/Lab Activity, Lesson/Lesson Plan, Model
- English
Quick Guide
Materials List (per group of students)
- Timer/stopwatches
- Pitcher or other container of water
- Paper cup and thumbtack/paper clip
- Funnel
- Graduated cylinder
- Chart paper and markers
Subjects
-
Mathematics
-
Algebra
- Equations and Inequalities
- Patterns
- Variables and Expressions
-
Data Analysis and Probability
- Data Analysis
- Data Collection
- Data Representation
-
Measurement
- Rate
- Representation
-
Algebra
-
The Nature of Technology
-
The Design Process
- Problem Solving
-
The Design Process
-
The Nature of Science
-
The Scientific Process
- Conducting Investigations
- Gathering Data
- Formulating Explanations
- Communicating Results
-
The Scientific Process
Informal Categories
- Model Building
Audience
To use this activity, learners need to:
- see
- read
- touch
Learning styles supported:
- Involves teamwork and communication skills
- Uses STEM to solve real-world problems
- Involves hands-on or lab activities
Other
Access Rights:
- Free access
By:
Rights:
- All rights reserved, PBS, 2012
Funding Source:
- US Department of Education