Osmosis Lab: Observing the Effects of Osmosis in Plant Cells

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This lab provides an opportunity for students to observe and measure the effects of osmosis in plant cells. Your Biology students will gain valuable experience using laboratory equipment and applying proper lab procedures as they see science concepts in action.

This lab has 2 parts:

1. Observing Plasmolysis in Red Onion Cells

2. Measuring the Effects of Osmosis in Potato Slices. This is a simplified version of the common AP Biology “potato core” lab.

***Please Note: This lab is also available in two discounted bundles:

Cells Supplements for Instruction and Assessment

Cells Unit Bundle, which includes Cells, Photosynthesis and Cellular Respiration

This product is fully editable and includes 6 files:

1. Read This First includes an overview of the resource, contact information, terms of use, and image and font credits.

2. Teacher’s Guide includes materials list, set-up instructions including how to mix solutions, and other helpful hints.

3. Student Lab Handout with the following sections:

  • Problem
  • Introduction
  • Pre-Lab Activity
  • Materials
  • Procedure
  • Data and Observation Tables
  • Analysis and Conclusion

4. Teacher Answer Key includes answers to questions and sample data.

5. Quiz

6. Quiz Answer Key

See click on PREVIEW above to see more details including a comprehensive materials list.

Complete your study of Cells with these resources:

Cells PowerPoint and Notes

Cells Task Cards

Cells Review Qubes

You might also like:

Unique Properties of Water Lab

Enzyme Lab

Happy Teaching!

Carla Brooks

Total Pages
10+ answer keys
Answer Key
Teaching Duration
90 minutes
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