A Must-Know for 9th Graders! What Happens When You Pour Water into Concentrated Sulfuric Acid? The C

What do you think about canceling the 2023 middle school entrance exam sports test?

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Junior high school student₁？*2

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In junior high school, I was caught cheating in a group exam.. So serious that I was publicly punish

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Junior high school student

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Slime Experiment!

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I know Hikigaya doesn't have a girlfriend.

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My sister has changed a lot from junior high school to high school

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【DIY】Super long marble orbit

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[Science] Magnify the tip of the pen N times!

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Battery: Why should I let you play with my own electricity?

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Seeing the collision of atomic nuclei with the naked eye

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Fire and ice

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This is the first time I saw a hydraulic press fail.

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The moment the liquid aluminum was poured in, the ant nest immediately burst into flames! smoke ever

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It's time for Xiaoqiang to experience the feeling of being hit by nuclear fusion

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Dreaming of my junior high school girlfriend

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"Goku's Mysterious Adventure" Lyricist: Mendeleev, Singer: Hiroki Takahashi

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Teacher, what is the function of peanut butter?

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Releasing an ant queen in a crowd of hungry mosquitoes, how will it end?

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【Vector Official】Music Boxing Machine

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