Lessons by Topic 
Structures
Structures
Structures
Eggstraordinary Eggsperiments
Structural strength - architecture - arches - domes - acid-base reactions - forces and motion - properties of matter - materials and structures - chemistry - forces and simple machines - osmosis - density - extreme environments - physical education - grade 1 - grade 2 - grade 3 - grade 4 - grade 5 - grade 6 - grade 7 - life science - earth and space science - physical science - air pressure - osmosis - inertia
The Unusual Structural Strength of Eggs! In this resource, students will demonstrate several scientific principles by exploring characteristics of an egg’s material and shape that make it so versatile.
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Marshmallow House Challenge
Use some rather unique building materials to design and build a structure which is strong enough to support a book. Then try out different base shapes and see what happens!