Reversible or irreversible changes

This afternoon, we were investigating the difference between irreversible and reversible changes. Reversible means being able to form its shape again and irreversible means its the change cannot be undone.

We carried out a experiment using a variety of different food types: toffee, potato, chocolate, eggs and butter. We had to decide whether these types of food where reversible or irreversible.

Can you think of any more food types that may be reversible?

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