Water Cycle Experiment

On Friday last week we did a water filtering experiment.  In our lesson we learnt about the water cycle and how water gets filtered.  We got told that it takes six hours to clean water!  After we learnt about this we each got into partners and it was time for the experiment.  For the experiment there was a bucket of dirty and non-filtered water.  With that water we used different ingredients to filter it and make it cleaner.  The ingredient we had to use were cotton balls, paper towels, bark and sand.  Not every ingredient filtered it properly though.  When my partner and I finished using the ingredients we chose our own amount of the ingredients we could use to make it as clean as we could.  Me and my partner chose cotton balls and paper towels and it worked!  Here is what ours looks like.