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chilledfoodassociation

STEM Club Resources - STEM Club Activity: Investigating Milk (Presentation 2) - Free Digital Download

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Chilled Education are pleased to work with Sam Holyman, STEM teacher at Aylesford School, Warwick on a range of resources. Sam has developed a series of STEM Club Resources.

STEM Club Activity: Investigating Milk

In this hands-on STEM Club activity, students explore the different food groups and nutrition categories by investigating the macro-nutrients present in samples of milk. Using microscale techniques, students conduct a series of food tests to determine the presence of proteins, fats, and carbohydrates in milk.

By working with small quantities of milk, students can safely perform tests such as the Biuret test for proteins and using iodine solution to test for starch. This allows students to directly observe the scientific process in action while gaining a deeper understanding of food science and nutrition.  Interestingly, lactose is also a reducing sugar and therefore would produce a positive test with Benedict's solution, however, many GCSE specs denote this being a test for glucose only.

The resources for this activity, developed by Sam Holyman, STEM teacher at Aylesford School, offer clear instructions for performing the tests, along with suggestions for further analysis and group discussion. These resources are designed to help students learn about the role of macro-nutrients in a balanced diet, as well as the importance of food science in our daily lives. The resources are available for download and provide everything needed for a successful and engaging session.

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  • Chilled food production in the UK is one of the world’s fastest-growing, most innovative and advanced food sectors. Currently worth more than £10bn, it employs more than 100,000 people at 130 sites and each year puts 15,000+ different foods on shelves. CFA represents many of the UK’s biggest chilled food manufacturers.

  • The Chilled Food Association (CFA), the people behind Chilled Education, represents some of the biggest UK chilled food manufacturers. Established 35 years ago, its members supply major retailers with foods ranging from sandwiches and prepared salad to chilled prepared meals and desserts.