Reversible & Irreversible Change!!

Term 2 Week 8 Homework Report

Drop an old coin into vinegar. Leave for a few days. What happens?


The aim is to see what happens when you leave a old coin for a few days in vinegar.


* Old Coin

* Vinegar

*A Container (Lid as well)


1. Get your old coins

2. Grab the container

3. Put the old coins in to the container that also has vinegar

4. Pour some vinegar in to it

5. Next, wait for a few days...

6. Then your done your coin has probably like the pictures below