Keeping the Cold Chain Unbroken

In the picture

1. 1Refrigerated lorry: food stays chilled all the way from the warehouse
2. 2Chilled display: the shop keeps perishables cold until you buy them
3. 3Insulated cool bag: keeps food cold on the journey home
4. 4Home fridge: raw meat covered on the lowest shelf, at 5 °C or colder

Examples

• Picking up the yoghurt and meat at the very end of a shopping trip and going straight home
• Not leaving a bag of chilled shopping in a warm car while you run other errands

Quiz: Keeping the Cold Chain Unbroken (Age 18)

1. 1

   What does keeping perishable food cold actually do to the bacteria on it?

   • It greatly slows how fast the bacteria multiply
   • It kills the bacteria already on the food
   • It makes the food safe to leave out at room temperature later
2. 2

   Where should raw meat be stored in a home fridge?

   • In the door shelves
   • Covered, on the lowest shelf
   • On the top shelf
3. 3

   What happens each time chilled food like milk or meat warms up between the shop and your fridge?

   • Bacteria die off, but the taste changes
   • Nothing, as long as it is chilled again afterwards
   • Bacteria start multiplying again, so it spoils faster

The answers, each with its explanation, are in the app. This quiz is free there while the lesson is in the free week.