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science time!!
Are you ready? Here is an agg and bottle. hot water, cold water and some ice cubes
I put an egg on the opening of this bottle and I can make this egg plop into this bottle without touching
1st, I¡¯ll pour hot water into this bottle and pour out, next I put an egg on the opening quickly, and then I put this bottle in cold water.and wait. Look carefully and ¡°plop!¡±
¿Í¿ì!!what happened? Cool! Did you push the egg? No? Who did? I wonder who did? (¿À¹ö~~Çϸé¼..)
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