Clouds

http://www.weatherwizkids.com/weather-clouds.htm

http://www.sciencekids.co.nz/sciencefacts/weather/clouds.html

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http://eo.ucar.edu/webweather/cloud3.html

What colour are stratus clouds?

When a fog lifts the resulting clouds are called?

The small ripples in cirrocumulus clouds sometimes represent what?

Wispy white clouds are called?

What are clouds made of?

Altostratus clouds often form ahead of what?

What clouds look like pieces of floating cotton?

Giant cumulonimbus clouds are ——— clouds.

Now try this quiz if you are game.
http://www.discovery.com/tv-shows/curiosity/topics/clouds-quiz.htm