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You have only to look up into the sky to try your luck at weather forecasting. Clouds give us a clue about what is going on in our atmosphere and how the weather might change in the hours or even days to come. Each type of cloud forms in a different way,

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Clouds are water. Either small liquid water drops or tiny pieces of ice. Meteorologists rank clouds according to their height and whether or not they are flat or puffy.

Video of the Day from Kim Komando A song for Earth Day It's Earth Day! It's a day to celebrate the Earth. This Discovery Channel ad sums it up nicely. I haven't heard a feel-good song like this in a long time. It'll have you singing along by the end. Share this video with your friends. Then, go outside and enjoy the weather. Happy Earth Day.

Catchy, Earth Day video-song (1 minute PSA).

Clouds From Space

nasa clouds for kids

Iridescent Clouds

This experiment can only be done at solar noon twice a year; at the spring and autumnal equinox. These are the two times the sun is directly over the equator. You can do this experiment one or two days before or after the equinox to work around cloudy day