Rocket

This rocket teach us about newton's 3rd law- For every action, there is an equal and opposite reaction (action is the push, reaction is the movement) METARIALS YOU NEED:3d printed rocket Quite long string HOW TO SETUP:step 1: put the string into the hole of the 3d printed rocket. (the hole is present at the side of the rocket) step 2: take 2 chair, tie of of the string to the chair(this chair should be 2 or 3 feet above), tie another string to the another chair which is in normal ground level step 3: hold the rocket to the one of the chair which is higher in ground level and leave it, ENJOY YOUR ROCKET!!