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In this activity about osmosis, learners use a naked egg (one with a dissolved eggshell) to learn about selectively permeable membranes. This is a great activity to easily show the qualities of different solutions and their effect on cell membranes. Can the effects be reversed? Try it and find out! Activity also contains a recipe for 'naked eggs.'
- 4 to 24 hours
- 10 to 30 minutes
- 1 cent - $1 per student
- Ages 11 - 18
- Activity, Experiment/Lab Activity
- English
Quick Guide
Materials List (per student)
- At least 2 naked eggs
- Containers large enough to hold a single egg and some liquid (coffee mugs or tumblers work fine)
- Corn syrup
- Water
- A big spoon
Subjects
-
Life Sciences
-
Cells
- Cell Structure and Function
-
Cells
-
Physical Sciences
-
Chemistry
- Solutions
-
Chemistry
Informal Categories
- Food and Cooking
Audience
To use this activity, learners need to:
- see
- touch
Learning styles supported:
- Involves hands-on or lab activities
Other
Components that are part of this resource:
This resource is part of:
Access Rights:
- Free access
By:
Rights:
- All rights reserved, Exploratorium,
Funding Source:
- National Science Foundation, Grant No. ESI-0104724