Methods of preservation
This paper-based revision activity asks students to summarise all the different methods of food preservation and how they work.
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Preservatives
Explores the conditions needed for microbial growth. Looks at how different preservatives, and methods of food preservation, can prevent microbial growth and food spoilage
Food preservation
Students investigate the effects of a range of preservatives on the storage of peas. Preservatives tested include salt, vinegar, sugar,
Conditions necessary for the growth of microbes
Food spoilage is often caused by microbial growth. During this lesson, students will investigate the conditions necessary for the growth