Fear of dirt

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Bronx cheer

A cry or noise made to express displeasure or contempt.

Altocumulus cloud

Gray or white layer of patches of solid cloud with rounded shapes.

Lenticular Cloud

Lenticular clouds are only seen around mountains. These strange clouds are easy to spot, because they look like flying saucers or a stack of pancakes. Their most interesting characteristic is that they don't move. Winds blow right through them, while other clouds are swept away.


The point in the Moon’s orbit that is farthest from Earth.

Cirrocumulus cloud

Thin cloud that appears as small "cotton patches."


9 inches; derived from the distance between the end of the thumb and the end of the little finger when both are outstretched.

Mean temperature

The average of the maximum and the minimum temperatures for a particular period; the mean equals the sum of the max and min divided by two.

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