Answers, some students have written in their exams...

* A vibration is a motion that cannot make up its mind which way it wants to go.

* 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.

* When you breathe, you inspire. When you do not breathe, you expire.

* Many dead animals in the past changed to fossils while others preferred to be oil.

* Clouds are high flying fogs.

* I am not sure how clouds get formed. But the clouds know how to do it, and that is the important thing.

* Clouds just keep circling the earth around and around. And around. There is not much else to do.

* Cyanide is so poisonous that one drop of it on a dogs tongue will kill the strongest man.

* Thunder is a rich source of loudness.

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

* "H20 is hot water, and CO2 is cold water."

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

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

* "The body consists of three parts - the brainium, the borax and the abominable cavity. The brainium contains the brain, the borax contains the heart and lungs, and the abominable cavity contains the bowels, of which there are five - a, e,i, o and u."

* "The alimentary canal is located in the northern part of Indiana ."

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

* "Germinate: To become a naturalized German."

* "To keep milk from turning sour: keep it in the cow."

Thanks Prasath