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Clean this water!
Autor postu K"eau"ffrane_2018, Switzerland na 17 kwiecień 2018

Clean this water!

 

 

 

We boiled water to make it drinkable.
We put the water in a saucepan to boil it.
We put a stopper on top to recover the water.




   
We had a second experiment called "How to make drinking water? »
We had at our disposal: funnels, household paper, colanders, cut pet bottles, scotch and coffee filters.
We had to mix the water with pebbles and sand from the lake.
The goal was to try to make the water as clear as possible.
The most commonly used technique was household paper, tape and one or more coffee filters.
The result was rather successful. One thing is sure everyone had a lot of fun!!!!!
We also had an experiment in science. The teacher gave us two bottles and we had to set up an experiment to know, without tasting, which was the salt water and which was sweet. We have seen that when salt water is boiled, the salt crystals remain at the bottom of the pan.


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