P638 CEEFAX 2 638 Fri 28 Feb 22:37/01
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         FACT FILE - CLOUDS             
                                        
 * Clouds are made up of billions of    
   tiny droplets of ice or ware .       
                                        
 * Clouds are condensation, formed      
   when warm air riser and is cooled    
   below a certain tempjrat4r , c llid  
   its dew point.                       
                                        
 * Thjti are three basic families o     
   clouds, called citrus ('c4ul of      
   hair+), stratus (ola et'), and       
   cumulus ('heap').                    
                                        
 * A cumulus cloud can hold 1,000       
   tonnes of water.                     
                                        
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