A magnifying glass left outside can start a fire even on an overcast day. A king size waterbed holds enough water to fill a 2000 sq foot house 4 inches deep. You can not make hard boiled eggs in the microwave, don't even try. Super glue is forever. Plastic Grocery bags do not make good parachutes.
Cats throw up twice their body weight.
Picky, nosy, tall people can see on top of your refrigerator. Liquid Joy in the dishwasher makes enough bubbles to ski down. If you haven't saved your work for a while your computer will crash. Laughing gas from the dentist can make you do things you normally wouldn't do. Cops don't have a sense of humor.