How come in cold weather your nose runs and your eyes tear? Also, how come when you put milk on puffed rice cereal, it makes a popping sound? asks Emily Abrams, a student at Long Island Lutheran Middle School, in Brookville,
NY. Winter is notorious for its dry air. And yet, when it comes to [...]
How come, if you put water and oil together, the water will rise and the oil will sink? asks Walton Rea, a student in Brookville, NY.
Actually — although it seems unlikely — the opposite occurs. It’s oil that does the rising. Just check out any oil-and- vinegar salad dressing in your refrigerator. (Note: vinegar [...]