Prior to launch, the bottle is partially filled with water and mounted on a custom-made launcher that holds the rocket in place while the remaining volume is pressurized with air. Pizza and ...

The rocket launches with little or no warning and ... acts on the water to eject it from the bottle. Compared to the bottle, the water is heavy. So pushing water out at a moderate speed backwards ...

Eighth and ninth grade students worked in teams to design, build, and launch water bottle rockets, learning about propulsion and altitude calculation in the process. “Hopefully they're having a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. HUNTSVILLE, Ala. (WHNT) — Over 900 ...