Notes from Janice’s Desk You smell things, such as a French Fries, because molecules leave the food and enter the air. When this air containing molecules from the French Fries enters your nose, special cells on the surface inside your nose capture the molecules. These special smelling cells have hairlike bristles covered with a slippery […]
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Science Fair Projects: Gross Experiment
Notes from Janice’s Desk I was recently told of a science project done by a team of young boys. The boys had excitedly described the event as being the grossest and coolest thing they had ever done. Their gross-cool experiment was chewing a piece of cracker, then spitting it in a container and testing it […]
Science Craft: Water Striders
How to Make and Test a Water Strider Model While it is not a high-tech robot, you can design paper insect models that will stand on water. Discover for Yourself 1. Fold a 3-by-5-inch index card in half with the long sides together. 2. Use the pattern shown to draw an insect on the folded […]
Sniffers
Dogs have a better sense of smell than you do. This is because there is more surface area inside their noses. So what does that mean? The surface inside a human or animal nose has bristles covered with a sticky mucus (snot). Odor molecules dissolve in this slimy stuff and as a result a message […]
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