Oobleck acts like a solid and a liquid. I found out that oobleck can be made using vinegar or seltzer water. Oobleck can be made using hot water or liquid soap. My quess did not match my results. Because some objects sank in the little bowl of water and in the bathtub full of water.
Some objects float in the little bowl of water and in the bathtub full of water.
From my experiment, I determined that my hypothesis was correct. Each time I added 10 coils to the nail, it made the electromagnet stronger. Dirty water can get cleaned up a little bit by small rocks and tree seeds and it can be cleaned a lot by sawdust and paper towel. Nature has all parts in it, in the ground to clean up dirty water. I learned that if you find any metal around the house and connect it to wire and a light bulb it conducts electricity.