cabbage indicator

On monday kea did an experiment about the cabbage indicator. Which is just cabbage juice but it’s natural so were doing an experiment with it so let’s start.The substances are baking soda,three plastic cups,vinegar and anything you want to put in it but not solid things only in liquid form.First we got in groups of 4 or 5.Then our teacher gave us 3 plastic cups and a two sided paper for the experiment. After that we got a table.First our teacher put cabbage juice in the cups.Then we put the substances in the cups but not all in one cup.And whan I did it it was like the transformation from purple to random colors and with vinegar it turned into pink.

Invisble ink

On Monday kea did an experiment again but it was a different one it’s called the invisible ink. These are the ingredients that you need. First one paper does not matter how big or small per person.Next one cotton bud per person and take water  and baking soda equal amounts.Then use grape juice.First get a piece of paper and put it on a table .Next mix the baking soda with the water. Then get the cotton buds and dip it in the baking soda .After that write something on the paper with the cotton bud.And finally pour some grape juice on the paper and just for you to know my experiment didn’t work .