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Friday, 9 April 2021

Science Indicators

Welcome Viewers to my blog,

Today we are going to be talking about an experiment that me and my friend Khiel did. We were doing an experiment when we add acid, alkali and water/neutral to something like cranberry juice, tea and turmeric powder. We also got a chance to try out the universal indicator. 

So we tested cranberry juice with acid, water and alkali. First, we put acid in cranberry juice. It didn’t change the colour much because it’s already red. It just got a little bit darker. It’s not that noticeable. Next, we did the water. We added water to the cranberry juice and we overfell it a little bit. The cranberry juice was a little bit lighter than before, like when you add water to basically everything. Next, we added alkali to the cranberries. This one was a noticeable change. It got really dark. It kinda got 2x darker

Next, we tried tea. The tea smelt and looked really good. Again when we added the acid it still looked the same. Then we added some water and it did the same thing. It just made it a little lighter like how you add water to most substance. Then we added alkali and surprise surprise it became a darker colour.

Next, we did it with some turmeric powder. First, we were hyped up so we added water first. Because we saw some group that added water first then it looked like orange juice. We quickly went to go and get some water and added it. We moved the test tube around and mixed it. It turned orange then we put it down. Next, we went and added Akali. We mixed it around as it turned dark orange. Then we added some acid. It kinda turned it into a lighter colour for some reason.

Then we wanted to try out the Universal Indicator. First, we added a couple of drops of acid, then water then akali. We got out the universal indicator and added a couple of drops in each one. The acid started turning red as the water turned green. The alkali turned into a dark blue colour. 


Red - Acid
Green - Neutral
Blue - Akali

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