Use any of the following sites to learn more about clouds:
http://www.weatherwizkids.com/
http://eo.ucar.edu/webweather/cloudhome.html
http://scienceforkids.kidipede.com/physics/weather/clouds.htm
Use any of the following sites to learn more about the Water Cycle:
http://ga.water.usgs.gov/edu/watercycle-kids.html
http://www.chiddingstone.kent.sch.uk/homework/swater.html
http://www.epa.gov/ogwdw/kids/flash/flash_watercycle.html
http://www.watereducation.org/doc.asp?id=1022