Food Testing: Working with Yeast
- Grade Level: Junior High (7-9)-Adult
- Subjects: Food Technology
- Produced By: VEA Group Pty Ltd
- Year: 1998
- Country: Australia
- Language: English
- Running Time: 13m
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Food testing is a key part of most food technology courses. In this concise program, with the aid of teachers and students at one of Melbourne's leading high schools, we look at yeast its biology, its history, and the necessary conditions for its growth. Varying contents are used in six test tubes to show why only one of them will inflate a balloon. We also demonstrate the effect of using dried and compressed yeast in the making of bread rolls in a real-life school laboratory environment. Students are also shown how to write up the result of the tests.