By observing what happens to an egg when it is placed in four different solutions, students see osmosis take place right before their eyes.

This printable education experiment contains a detailed teachers' guide and single-page student worksheet for printing and distributing in the classroom.

Age Level

This activity in its existing format is appropriate for ages 10-18.


Physical science, life science/biology.


  1. 1.To demonstrate the osmosis process
  2. 2. To demonstrate changes in properties of matter.
  3. 3. To expose students to common measuring instruments used in the lab.

EGG OBSERVATIONS - An Osmosis Eggsperiment (PDF)