Classroom Freebies

Osmosis and Diffusion Lab for both Middle and High School Students

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Hello everyone!  Here is one of my free labs that is simple, works every time, and does not require a lot of fancy equipment.  It is called "The Effect of Concentration on the Rate of Diffusion".  Sounds fancy, but it really is very simple, and it helps to reinforce the concepts of osmosis and diffusion with your students.


PURPOSE: This experiment will explore the concentration gradient by measuring the rate of diffusion in a number of theoretical cells. The objectives for this lab are: (1) To define concentration gradient, (2) To explain experimental data concerning different concentration gradients, (3) To complete a data table and prepare a graph to illustrate the data, and (4) To apply information from this experiment to other related problems.




This lab is suitable for both middle and high school students.  The materials list is so simple that anyone can complete this activity.  I hope you enjoy this freebie!




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