Ballon Rocket Experiment

You need a string, balloon and straw.  We had to decide if the ballon rocket went faster with a ballon that was filled with lots of air or not so much air. We also need to figure out how long the straw needed to be. Ko Seth tenei.

Awhi Mai Awhi Atu!

Titiro! Kei te awhi matou ki te horoi i nga akomanga.