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1.  Of what is a cloud made?

2.  What causes earthbound moisture to evaporate?

3.  What are the three basic guidelines used to determine which kinds of clouds are in the sky and how they may affect weather prediction?

4.  What are the names of the three basic cloud types?

5.  What are the two means of classifying clouds?

6.  What are the ranges of altitude for low, middle, and high clouds?

7.  What type of weather is associated with these types of clouds?

A)  Stratus                       B)  Nimbostratus                    C)  Cumulonimbus

D)  Cumulus                   E)  Cirrus                                   F)  Altocumulus

8.  How were early navigators often able to find previously uncharted islands?

9.  What is precipitation?

10.  Answer BOTH of the following questions in the block below:

A)  How do raindrops form?

B)  What is coalescence, and how does it happen?

11.  What two techniques are used in modern rainmaking?

12.   Answer BOTH of the following questions in the block below:

A)  What is sleet?

B)  What causes it to occur?

13.  What is hail, and how are hailstones formed?

14.  What is fog, and how is it formed?

15.   Answer BOTH of the following questions in the block below:

A)  Where are the two most famous natural sea-fog areas located?

B)  Why do they have such frequent fog?