Here are some "truths" taken from the tests of fifth and sixth graders:

The law of gravity says no fair jumping up without coming back down.

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

There is a tremendous weight pushing down on the center of the Earth because so many people are stomping around up there these days.

The cause of perfume disappearing is evaporation. Evaporation gets blamed for a lot of things people forget to put the top on.

Water vapor gets together in a cloud. when it is big enough to be called a drop, it does.

Mushrooms always grow in damp places, which is why they look like umbrellas.

To keep milk from turning sour, keep it in the cow.

When planets run around and around in circles, we say they are orbiting. When people do it, we say they are crazy.

The four seasons are salt, pepper, mustard and vinegar.

The inhabitants of Moscow are called Mosquitos.

A census taker is a man who goes from house to house increasing the population.

A city purifies its water supply by filtering the water and then forcing it through an aviator.