The Nail Rusting Experiment

We had some nails place them  in a cup.One had water,one had salt and one had salt water.

We made predictions of what would happen to the nails  group 3 had copper nails.

Next week the nail that was in the cup with saltwater had been half rusted!The Part that was in the saltwater was clean but the part that was in the air had been rusted.We decided how we could use that information…

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