Lucy and Ethel bake bread but put too much yeast. This clip can be used as an introduction to teaching about microorganisms such as yeast. It illustrates just how fast yeast grows and the role it plays in baking.

Beakman explains that bread is an important food staple and there are different kinds of bread. He uses an animated clip to give some history of people creating bread. Then he explains the science behind how bread is made. Beakman uses a demo of yeast with water and sugar to show that yeast are living and create carbon dioxide and that's how bread rises.

This clip illustrates how yeast makes bread rise in a simple and fun way.

Collette lectures Linguini on keeping his workspace clean and tidy when cooking to increase efficiency.

Maddie and her sister speak about Maddie's book and cooking.