NASA - Why Do Raindrop Sizes Matter In Storms?
This video is excellent to use in conjunction with a unit on the water cycle. There are additional videos relating to rainfall under the PAESTA Favorite Video Collections, as well as exercises in the PAESTA Classroom and as part of the PAESTA Podcast Series.
The following exercise is available in the PAESTA Classroom that relates to rainfall, Data Visualization Activity: An example with global precipitation data.
The following PAESTA podcast can be played for students, How do scientists measure rainfall?