Week 15- Balloon Blow Up
Week 15- Balloon Blow Up Learning This Week: This week during lab we designed our own investigation based on the NGSS PE 5-PS1-2 that discusses the change in weight in mass when a substance changes its state of matter. We were tasked to develop an activity for 5th grade students to perform to meet this PE. We designed the question, "why does a balloon inflate when mixing baking soda and vinegar?" We wanted students to perform two different experiments, one with mixing baking soda and vinegar in a bottle without a balloon and then one with a balloon. They would measure the initial weight, final weight, and then find a change in their results. We noticed a large change in the bottle that did not have a balloon and almost no change in the bottle with the balloon. This allows students to realize that the CO2 is being released from the baking soda and vinegar and that is what is causing the balloon to inflate. Water Balloon with Baking Soda Application to Fut...