Investigating Osmosis

In the lab, Investigating Osmosis, students make predictions about the effects of osmosis and design an experiment to test these predictions. The experimental approach is similar to the diffusion activity, but focused specifically on osmosis.

Download Student Handout: PDF format or Word format

Download Teacher Preparation Notes: PDF format or Word format

We invite comments on this Hands-On Activity and the accompanying Teacher Preparation Notes, including suggestions for other teachers who are planning to use the activity, useful preparatory or follow-up activities, additional resources or any questions you have related to the activity, or a brief description of any problem you might have encountered. If you have a relevant Word document you would like to have posted on this comments page, such as a version of the protocol you have used in your classroom, or if you would prefer to send your comments or questions in a private message, please write Ingrid Waldron at iwaldron@sas.upenn.edu.

See also a complete list of activities:
Hands-on Activities for Teaching Biology to High School and Middle School Students

 

Comments

iwaldron's picture

2013 revision

The questions in the Student Handout have been clarified and improved to enhance student understanding. The Teacher Preparation Notes have been updated and clarified.

iwaldron's picture

October, 2011 Revision

The Student Handout has been reformatted and reworded for greater clarity and ease of use.  The Teacher Preparation Notes have been augmented with a more complete description of a Demonstration of Osmosis Using Chicken Eggs.

iwaldron's picture

August, 2010 revision

We have corrected an error in the materials listing in the Teacher Preparation Notes and made multiple revisions to improve the clarity and logical flow of the student handout.
 

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