Growing Bacteria.
I'm done with this experiment. This is our second time doing this and it gets pretty gross after a while. I suppose it's interesting seeing the different types of bacteria. It's also interesting seeing what has more bacteria. This past time Luke tested his hand, his friends hand, his mouth, his friend's mouth, the doorknob and the telephone.
I want to throw away the rest of his petri dishes and the rest of his agar solution but I won't. I'll just hope Luke has had enough for a long time. This picture only shows day 2 or 3. I've spared you from seeing the rest of the results.
If you want to do this you could Google home recipes where you use plastic cups and some sort of a gelatin solution. Or you could buy this.
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