In the clip, Kylie, 24, recorded Stormi and her father gathering around a kid's volcano science kit with test tubes and beakers.
Baking soda and dish soap also sat nearby, among other ingredients.
The close-up shot showed the little girl inserting a liquid into the pretend volcano with a syringe.
Her rapper dad's voice was heard in the background giving Stormi directions on what to do next.
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The video then flashes to the volcano sitting on the grass as the father-daughter duo prepared their final steps in the experiment.
Travis, 31, paused to give the tot a teaching lesson as he quizzed her on some vocabulary.
"What's it called when it's inside the volcano?" the rap star asked.
"Magma," Stormi adorably replied.
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"And when it comes out, what's it called?" Travis continued.
"Hot Lava!" Kylie's daughter enthusiastically said.
"Alright, let me see it," her father responded.
SMART KID
Stormi then poured the baking soda from a measuring cup into the volcano, producing a red substance to ooze out the top.
Travis and Stormi sounded excited as they watched their experiment come to life.
"It's coming out!" the youngster yelled in excitement. "The hot lava!"
Fans took to the comments to boast about Stormi's intelligence at such a young age.
One person wrote: "stormi baby being smarter than me."
Another added: "I know we don't really know them. but Kylie and Travis do seem really involved parents. it's awesome!! Stormi such a cutie and smart!!"
A third chimed in: "Awe, her little hands She's so smart and cute!"
A fourth repeated: "stormis literally so smart."
Kylie and Travis are also parents to a five-month-old son, whose name they have yet to reveal.
SHOPPING SPREE
Earlier this week, Kylie shared a video of her on a Target shopping spree with Stormi and her friends.
"Where are we going girls?" the beauty mogul asked, to which they replied in unison: "Target!"
The TV star then filmed Stormi looking at dolls in the toy section before heading to the checkout.
Her cart was piled to the very top with different colored toys.
Kylie captioned the brief video: "Surprise Target trip with my girls."
However, her fans thought her impromptu shopping trip at the retail store was damage control for previously bragging about her $17million jet.
One social media user wrote: "She's trying to cosplay as middle class after the private jet post."
Another added: "She’s just trying to appeal to us peasants that she’s relatable and down to earth after the backlash she got."
A third posted: "Tries to be more 'normal' after the jet post, but buys 300$ worth of toys."
'CLIMATE CRIMINAL'
Kylie was accused of flaunting her wealth after she posted a photo of herself and her boyfriend, Travis, in front of a pair of private jets and a Mercedes Maybach.
The Kylie Cosmetics founder captioned the Instagram post, "you wanna take mine or yours?"
Fans had a field day in the comments, slamming the star for flaunting her wealth.
One commenter joked: "This post just called me poor."
"Global warming who?" a third commenter quipped.
A fourth critical comment read, "[Whose] plane should we pollute the earth [with] today?"
Things went from bad to worse when it emerged that Kylie used her jet to make a 17-minute journey.
Kylie took a private flight from Camarillo, California, to Van Nuys, California, last Tuesday - a trip that takes an estimated 45 minutes by car.
As reported by the Twitter account , the Hulu star reduced the 45-minute jog to 17 minutes by taking her $72.8million Global Express jet instead.
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Fans were up in arms about the blatant waste of fuel and resources, with one fan accusing the LA native of being a "climate criminal" and insisting that these types of flights not be allowed.
Others called the trip "disgusting," branding the youngest Kardashian/Jenner sibling as "spoiled."