Why do Pop Rocks pop?

.com = Commercial, service, product, sales 

     www.discovermagazine.com/health/why-do-pop-rocks-pop 

.org= NonProfit -What does the group stand to gain by providing this service?

     https://wonderopolis.org/wonder/Why-Do-Pop-Rocks-Pop

.edu & .gov = Educational & Governmental - most reliable due to being highly regulated

     http://www.chem.uiuc.edu/chem103/titration/introduction.htm

~ & % = Personal websites or blogs -  Is the author an expert? Is it mainly opinion?

     https://www.stevespanglerscience.com/lab/experiments/poprocks/

Why do lobsters turn red when cooked?

Why do onions make you cry?