butterfly migration in Mexico. This reminds me of one time when I was little I was sitting outside and then a big wing came in and blew for like 3 seconds and when it stopped there was hundreds of monarch butterflies in our yard.
This is a biography bottle. The students used water bottles to make the body of the famous person they were studying. Most social studies classes have a biography unit and this would be such a fun way to make a visual to go along with the presentation.