How Dangerous Weather Forms: http://www.eo.ucar.edu/kids/dangerwx/tstorm4.htm
How to Forecast the Weather: http://www.weatherwizkids.com/weather-forecasting.htm
How Does a Cold Front Form?: http://www.kidsgeo.com/geography-for-kids/0128-cold-fronts.php
How Does a Warm Front Form?: http://www.kidsgeo.com/geography-for-kids/0127-warm-fronts.php
Weather Fronts: http://www.windows2universe.org/earth/Atmosphere/front.html
WATCH How Fronts Form: http://www.phschool.com/atschool/phsciexp/active_art/weather_fronts/