NDLI: Linear Models and Latex Explosion!

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Linear Models and Latex Explosion!

Content Provider	TeachEngineering: STEM curriculum for K-12
Author	Bowen, Erik Samson, Carleigh
Copyright Year	2013
Description	Students use latex tubes and bicycle pumps to conduct experiments to gather data about the relationship between latex strength and air pressure. Then they use this data to extrapolate latex strength to the size of latex tubing that would be needed in modern passenger sedans to serve as hybrid vehicle accelerators, thus answering the engineering design challenge question posed in the first lesson of this unit. Students use latex tubes and bicycle pumps to conduct experiments to gather data about the relationship between latex strength and air pressure. Then they use this data to extrapolate latex strength to the size of latex tubing that would be needed in modern passenger sedans to serve as hybrid vehicle accelerators, thus answering the engineering design challenge question posed in the first lesson of this unit. Students input data into Excel spreadsheets and generate best fit lines by the selection of two data points from their experimental research data. They discuss the y-intercept and slope as it pertains to the mathematical model they generated. Students use the slope of the line to interpret the data collected. Then they extrapolate with this information to predict the latex dimensions that would be required for a full-size hydraulic accumulator installed in a passenger vehicle.
Language	English
Access Restriction	Open
Rights Holder	Vanderbilt University Regents of The University of Colorado
Subject Keyword	Algebra Science and Technology Best Fit Line Research and Revise Linear Regression Trend Line Interpolate Latex Tubing Rate of Change Extrapolate Hybrid Vehicle Best Fit Latex Tube Generalization Air Pressure Y-intercept Legacy Cycle Line of Best Fit
Content Type	Text Video
Time Required	PT1H45M
Education Level	Class IX Class X Class XI
Pedagogy	Experimental Activity Lecture cum Demonstration
Resource Type	Hands-on
Subject	Modern Physics Technical

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