Apples and Handwashing: "We put a clean apple slice in one jar. We passed another apple slice around the class as we came in from recess with dirty hands. We have been observing the two jars in the science center. This is the difference after 8 days - gross! (This picture doesn't really show the mold.)" - A great way to teach about germs.
Flies are among the most common pests and can multiply quickly. While purchasing fly traps from hardware stores and grocery stores is always an option, you can easily make your own homemade fly traps from a few simple ingredients that are probably already in your kitchen pantry.
picture of germs - Nasal infection as a contagious sinus disease transmitting a virus with a human nose and nostrils spreading dangerous infectious germs and bacteria while sneezing during a cold or flu symptoms - JPG
House flies are not only a nuisance while they are buzzing around your head, they are also carriers of germs and diseases. Insect sprays will kill the house flies, but they are not safe to use around food, children or animals. Sticky flypaper will catch some of them, but it's unattractive. Making your own fly traps is inexpensive and uses...