How cold are things in fridges?
Have you talked about your ideas? Do you agree with one of the characters or do you think something different?
Here are some ways of finding out more.
1 – Put a temperature probe inside a container of water at room temperature and put this inside a fridge. Observe how the temperature inside the fridge changes.
2 – Try it with different containers, including plastic and metal.
3 – How many different ways can you think of to cool things and keep them cool without a fridge? What are the advantages and disadvantages for each method?