A teacher forwarded this list of comments from test papers, essays, etc.,
 submitted to science and health teachers by elementary, junior high, high
 school, and college students. As she noted, "It is truly astonishing what
 weird science our young scholars can create under the pressures of time and
 grades."

 "H2O is hot water, and CO2 is cold water."

 "To collect fumes of sulphur, hold a deacon over a flame in a test tube."

 "When you smell an oderless gas, it is probably carbon monoxide."

 "Water is composed of two gins, Oxygin and Hydrogin. Oxygin is pure gin.
 Hydrogin is gin and water."

 "Three kinds of blood vessels are arteries, vanes and caterpillars."

 "Blood flows down one leg and up the other."

 "Respiration is composed of two acts, first inspiration, and then
 expectoration."

 "The moon is a planet just like the earth, only it is even deader."

 "Artifical insemination is when the farmer does it to the cow instead of the
 bull."

 "Dew is formed on leaves when the sun shines down on them and makes them
 perspire."

 "A super saturated solution is one that holds more than it can hold."

 "Mushrooms always grow in damp places and so they look like umbrellas."

 "The pistol of a flower is its only protections agenst insects."

 "The skeleton is what is left after the insides have been taken out and the
 outsides have been taken off. The purpose of the skeleton is something to
 hitch meat to."

 "A permanent set of teeth consists of eight canines, eight cuspids, two
 molars, and eight cuspidors."

 "The tides are a fight between the Earth and moon. All water tends towards the
 moon, because there is no water in the moon, and nature abhors a vacuum. I
 forget where the sun joins in this fight."

 "A fossil is an extinct animal. The older it is, the more extinct it is."

 "Equator: A managerie lion running around the Earth through Africa."

 "Germinate: To become a naturalized German."

 "Liter: A nest of young puppies."

 "Magnet: Something you find crawling all over a dead cat."

 "Momentum: What you give a person when they are going away."

 "Planet: A body of Earth surrounded by sky."

 "Rhubarb: A kind of celery gone bloodshot."

 "Vacuum: A large, empty space where the pope lives."