Driftless Science

Biology Genetics About

All labs

Biology / No. 04

Biology Classic

Osmosis

Watch water move across a membrane in real time.

Osmosis — Live Lab

Tap to go fullscreen

Osmosis

Classic Flash lab — runs via Ruffle

About this lab

See how water diffuses across a semipermeable membrane from low to high solute concentration, and why cells swell or shrink in different solutions.

At a glance

SubjectBiology

FormatClassic

CatalogNo. 04

Attribution

Classic Flash lab preserved through the Ruffle emulator.

More Biology labs

View all →

Photo Lab

No. 01 · Interactive

Ecosystem Lab

No. 02 · Interactive

Kidney

No. 03 · Classic

Driftless Science

Interactive educational science animations for the curious student.

Explore

Biology Genetics About

Built with

Ruffle emulator Open educational labs

© 2026 Driftless Science · Classic labs revived with Ruffle