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SCIENCE! Kids: A Soda Geyser is a Physical Reaction

In this episode of SCIENCE! Kids, we're talking about physical reactions. Follow us on social media! Facebook: https://www.facebook.com/WUCFTV/ Twitter: @WUCFTV Instagram: @WUCFTV

Curious Kids

6 years ago

HI. I'M MISS NYLAH. >>AND I'M MISS SARAH. AND TODAY WE'RE GONNA SHOW YOU A REACTION THAT'S REALLY FUN AND REALLY MESSY. TO DO THIS EXPERIMENT, MAKE SURE THAT YOU'RE OUTSIDE OR SOMEWHERE IT'S OKAY TO GET SUPER STICKY AND MESSY. YOU'LL NEED A 20 OZ. BOTTLE OF DIET SODA AND MENTOS CANDIES. >>FIRST, PLACE YOUR SODA ON A FLAT SURFACE AND SLOWLY OPEN THE CAP. NEXT, ADD YOUR MENTOS CANDIES ALL AT ONCE AND STEP BACK. WE'RE GONNA START WITH ONE. READY? READY. [FIZZING] >>WHAT WE JUST SAW WAS A PHYSICAL R
EACTION. THERE'S A LOT OF CARBON DIOXIDE IN THE SODA, WHICH IS WHAT MAKES IT FIZZY. THE SURFACE OF THE MENTOS CANDIES ARE COVERED IN MICROSCOPIC LAYERS OF SUGAR. WHICH IS THE PERFECT PLACE FOR THE CARBON DIOXIDE FIZZ TO ATTACH AND MAKE MORE BUBBLES. AS THE BUBBLES ATTACH TO THE CANDIES, THE CANDIES ARE ACTUALLY HEAVY ENOUGH TO SINK TO THE BOTTOM OF THE SODA BOTTLE. ONCE THEY REACH THE BOTTOM, THE PRESSURE BUILDS AND THAT'S WHAT CREATES A SUPER MESSY AND FOAMY REACTION. SHOULD WE DO IT AGAIN? YEA
H! HOW MANY CANDIES SHOULD WE ADD THIS TIME, MISS SARAH? MORE. OKAY. LET'S DO THREE. READY? READY. 3, 2, 1! WOW! WE HOPE YOU ENJOYED THIS MESSY REACTION. SEE YOU NEXT TIME.

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