This is me doing my kitchen chemistry that is called Gas it was so cool when the balloon blew up. I made my poster over the weekend and brought it back on Monday. The ingredients were vinegar,baking soda,bottle,balloon and a funnel. It took a long time to find on the internet. Then it took a long time to get organised and bring to school. My vinegar leaked in it's bag with the other ingredients and my mum had to shut the lid on the vinegar. Ashleigh Cridge.
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