I am giving a speech on hand washing. I want to have a way to prove how easily germs are spread, but I do not want to use Glow Germ. What other things can I use to show my class how easily germs are spread?Hand washing experiment without Glow Germ?
The first thing that comes to mind is pancake syrup, or better yet, dark Karo syrup, which is thicker and easier to see. You can also use black pepper with white paper, or salt or sugar with dark construction paper.
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