Bottle rocket Welcome to BFSU: › Forums › Volume One › Learning Progression “C”: Physical Science, Engineering and Technogy › Lesson C-7. Push Pushes Back › Bottle rocket This topic has 0 replies, 1 voice, and was last updated 5 years, 11 months ago by Bernard Nebel. Viewing 0 reply threads Author Posts October 17, 2017 at 12:32 pm #3878 Bernard NebelKeymaster Kids have fun building and experimenting with “bottle rockets”, one version of which is shown in the following video. Have kids explain their working in terms of the “push pushes back” principle. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.