Experimenting with Naked Eggs

Submitted by Anonymous on Thu, 10/29/2009 - 09:53

Source Institution

Keywords

Description

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.'

Quick Guide

Preparation Time: 4 to 24 hours
Learning Time: 10 to 30 minutes
Estimated materials cost: 1 cent - $1 per student
Age Range: Ages 11 - 18
Resource Types:
- Activity
- Experiment/Lab Activity
Language: English

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

Informal Category

Food and Cooking

Subjects

Life Sciences
- Cells
  - Cell Structure and Function
Physical Sciences
- Chemistry
  - Solutions

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

Making Naked Eggs

This resource is part of

The Accidental Scientist: Science of Cooking

By

The Exploratorium

Rights

Funding sources

National Science Foundation, Grant No. ESI-0104724

Printed Materials

Kalumuck, Karen. 2005. Human Body Explorations: Hands-On Investigations of What Makes Us Tick. San Francisco: Exploratorium Store (Find it on WorldCat or Amazon)