Food

Ingredients Are Not What Cause Pop Rocks To "Pop"

Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.

There's nothing special or unique about the ingredients in Pop Rocks. Yet, this sweet candy crackles in a way that's unlike anything else. The thing that makes it pop is not any one ingredient, but the way the candy is made. Get more details in the video below.

Why Pop Rocks "Pop"

The ingredients in this candy are simple and ordinary—and they're not what give the rocks their "pop."

Share the knowledge!

Are Pop Rocks Dangerous?

What would happen if one of the candy's "pops" were a little too big?

Share the knowledge!

Why Does Popcorn Pop?

A popcorn kernel won't pop in your mouth like Pop Rocks will, which is probably a good thing.

Share the knowledge!

If you liked this you'll love our podcast! Check it out on iTunes, Stitcher, Google Play Music, SoundCloud, search 'curiosity' on your favorite podcast app or add the RSS Feed URL.

Advertisement