Cloud talk crossword puzzle help?

Question

i need help on a crossword puzzle called cloud talk

1. Another method of classifying clouds, 10 spaces

2. What happened to water vapor before it turned to water, 6 spaces

3. Stratus clouds are ________clouds, 7 spaces

4. Sometimes it makes clouds dark, 4 spaces

5. Many clouds are made of this, 5 spaces

do you know any answers?

Answer 1

meterology

??

cumulus

rain?

vapor