clouds


 * What is a cloud? ||  ||
 * A cloud is a visable mass of water droplets of frozen ice crystals suspended in thwe atmos phere abovethe surface of the earth or another planetary body. || [[image:http://www.universetoday.com/wp-content/uploads/2010/03/Cumulonimbus-Cloud-over-Africa.jpg width="361" height="201"]] ||
 * What is the name of a person who studies clouds? ||  ||
 * A person who studies clouds is a nephologist. ﻿How do they study the clouds? Cassidy Clouds are studied with a type of methoscope which is used to tell if they are comig closer to us and what type of cloud it is. ||   ||
 * What are the different types of clouds? ||  ||
 * Low clouds:stratus, High clouds:cirrus, Middle clouds:altostratus, Clouds with vertical development:cumulus. ||  ||
 * Which clouds bring rain? ||  ||
 * Nimbostratus and Cumulonimbus cloud? ﻿ What signs do you look for when you think you can see one? In america clouds sawn with udders like a cow on a cloud sometimes it means there is going to be tornadoe.They call the things that look cow udders mammas.They are dark. They are dark because the clouds are full of so much water tht the sunlight cant go through them to make them bright || [[image:http://www.universetoday.com/wp-content/uploads/2010/12/Nimbostratus-clouds-in-West-Virginia.jpg width="225" height="168"]] ||
 * How do clouds form? ||  ||
 * Clouds form when rising air, throughexpansion, cools to the point where some of the water vapor molecules "clump together" faster then they are torn apart by their thermal energy. ||  ||
 * Do clouds form over deserts? ||  ||
 * Yes they do. ||  ||
 * Why are they white or grey? ||  ||
 * Clouds appear white because the light form the sun has to pass through the water droplets and ice crystalsor we can say that the seven colours of the visable spectrum(red, orange, yellow, green, blue, indigo, violet) which when combines forms white light and this procees of combining is done by water droplets or ice crystals present in the clouds. ||  ||
 * What is the difference between clouds and mist or fog? ||  ||
 * Mist is when you can see through a clod water droplet 1 or 2 km, but if you can see less then 1 km a cloud water droplet it's fog. ||  ||
 * What is happening when clouds disappear? ||  ||
 * What is happening when clouds disappear? ||  ||