The power of the sun is harnessed using a bottle full of water. Quite simply they’re used 2-liter soda bottles. They’ve been filled with water along with two caps worth of bleach to keep ...

Easy to assemble metal water rocket launcher with a 125 PSI ... StratoLauncher IV Ultimate will propel a 2 liter plastic (PET) soda pop bottle over 350 ft. in the sky. Watch the last minute ...

Participating students are asked to consider various design tradeoffs as they then construct their own rockets from two-liter soda bottles. Day 2—Launch Day: Student-built rockets are launched using ...