The other day when I was busy with the gardening and my hubby was busy working on the race car the kids decided to do an experiment all on their own. Austyn set up the pool noodles along the back door of the car trailer and was testing natural filters found around our house.
We use these noodles on the wires of the back door so nobody walks into the wires so they have slits on one side. You can see above that Austyn has both of them butt together and the slit is at the top so that the water runs all the way down without seeping out the cut.
Zoe is inspecting the filter. This time it's a pine cone.
Her other job was to watch the water coming out the other end to see if it was clean.
Here Austyn is trying gravel on top of the pine cone.
Here he is using muddy water.
His findings were that when he put the stones and the pine cone with mud no water got through. So here he is taking the stones out.
They went on like this for a while and I'm sure they learned a great deal. All I did was listen and take pictures once and a while. We found it amazing that they would just go ahead and do this with no help at all. It's amazing!
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