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Lesson Plan

Foam in foods

Make meringues, find out what makes the foam in them. Make other foamy foods.
Science content (2016 curriculum): 
Chemistry: States of Matter, Properties of Materials (K-7)
Chemistry: Atoms, Molecules (3-7)
Chemistry: Physical Changes, Solutions, Mixtures and Separating (2, 4, 5, 6)
Activities in this lesson plan: 

Make meringues.
While they are cooking find out what molecules in them make the foam (the protein in the egg whites).

Make other foamy foods:
milkshake - blow bubbles into milk to make a foam - the fat in the milk stablizes the bubbles to make the foam
gastro foam - pictured is a basil-lecithin foam

Grades taught: 
Gr 4
Gr 5
Teaching Site: 
ingridscience afterschool