McCarter Biology

Biology IS Life

“The Egg Lab” – Passive Diffusion


Learning Goals:

  1. To model a cell with a cell membrane.
  2. Explain changes that occur in a cell as a result of diffusion.
  3. Distinguish between hypertonic and hypotonic solutions.
  4. Relate this lab to the importance of solution concentrations in everyday life.

Key Cencepts:  measuring mass; difusion; osmosis; hypertonic, hypotonic and isotonic solutions; cell membrane structure and function correlation.

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*A grading rubric for lab reports can be found under the main page of “Labs” by clicking the tab above.

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