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Also look at the strength of an egg shell's shape.
Place four or more egg shell halves (open side down) on the floor and a board on top of the egg shells.
How much weight can the board hold before the egg shells break?
Depending on the number of egg shells you use, small children can stand on the board.

Have fun and eggsperiment!

Cindy Chambers

Questacon Exhibition Services
Postal address: PO Box E28 Kingston, ACT, 2604
Street address: 95-97 Wollongong St, Fyshwick, ACT, 2609
Canberra, Australia
Phone 02) 6126 2223        Fax 02) 6126 2266
Email [log in to unmask]

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