Is it all about concentration? Explore the description of a semipermeable membrane with a video highlighting illustrations of the membrane and its function. See how concentrations of molecules move back and forth across the membrane.

Concepts

semipermeable membranes, cell membranes, cells

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Additional Tags

science

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Instructional Ideas

• For hands-on learners, use this as a guide to create a physical model of a semipermeable membrane using art supplies
• Provide as a resource for help with a homework assignment

Classroom Considerations

• Requires access to the Internet

• This video is hosted on YouTube

Pros

• Builds nicely off of previous videos in the series on diffusion and plasma membrane
• Can be paused for student questions

Cons

• Illustrations and animation are very basic