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  1. Curricular Resources
  2. Diffusive Transport Labs  (V12: This is the latest version.)
Diffusive Transport Labs
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Part 3 of 4
Highlights: Diffusion moves molecules with no energy cost, but it's slow and indirect.
Abstract: This module describes the experiments that are done in the diffusion unit. Here the students really see that diffusion is slow, painfully so, that diffusion covers all cells in an expanding circle that increases with the square root of time. Gaussian are a real and actual physical manifestation of this diffusive motion and students can use fiji (ImageJ) and loggerpro to fit the Gaussian function their data and calculate the uncertainty in the standard standard deviation. This hopefully raises students awareness of and appreciation for statistics and error analysis.
Resource Types: Lab, Instructor supplement
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TOPICS

Physics Topics: 

Thermo & Stat Mech > Probability > Binomial Distribution, Gaussian Distribution, Probability Density

Life Sciences Topics: 

Cross-cutting Biological Concepts > Matter/energy Transfer & Transforms > Material Flow

Human and Animal Physiology > Cardiovascular System > Healthy Cardiovascular Function

Human and Animal Physiology > Respiratory System > Animal Respiratory Variations

Math Topics: 
Algebra; Exponentials and Logarithms; Integral Calculus; Probability

FILES Download3

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INSTRUCTOR GUIDE

IMPLEMENTATION

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SUBMISSION DETAILS

Copyright:   2021 Mark Reeves, Phoebe Sharp, Pi Nuessle, Rachael Stewart, IBET RAMIREZ-URREA

License:   CC: BY-NC-SA - Attribution, No Commercial uses and Share Alike. Derivative works must have the same license

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