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Lismore Science

1/20/2020

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​On Friday the 17th Lismore Sience came to the school to teach us about digestion and chemistry. First we did digestion, we started off with rice crispies, we crushed the rice crispies up like teeth and we added saliva and we mixed, after a while the food went down the esophagus and into the stomach and we added gastric acid and it turned orange. It looked disgusting, after a while of mixing we added bile and pancreatic juice and mixed.   After that we put it into a tight and we had to squeeze it, Rosanne cut a hole in the tight and we squeezed it out and we were left with faeces.
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After lunch we did chemistry. We made a PH scale 1-14, the acid is 
1-6 and a base is 8-14. Rosanne gave us lots of liquid to try, we added cabbage juice to them and they turned different colours. Acid is reddish colour and  a base is greenish colour.
After we had learned that, we put baking soda into vinegar and it fizzed up, next we put baking soda into a glove and put it onto a cup of vinegar and the glove inflated. After that we had to say goodbye to Rosanne and Stevie. I loved doing science.


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By Darragh Joyce
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