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Iata cateva experimente stiintifice pe care le poti face acasa, cu copiii. Va veti distra de minune.
1. Lava
Ai nevoie de: sare, apa, un pahar de ulei vegetal, colorant alimentar, un pahar sau un borcan inalt
Experiment: Umple paharul doua treimi cu apa. Toarna ulei in apa, acesta va pluti. Adauga colorant, apoi presara usor sare in pahar.
Explicatia stiintifica: Pentru ca uleiul este mai usor decat apa, va pluti la suprafata. Cand se adauga sarea, aceasta va atrage particulele de ulei spre fundul paharului. Cand sarea se dizolva in apa, uleiul se va duce din nou la suprafata. Colorantul ajuta ca fenomenul sa fie mai vizibil.
Citeste continuarea pe SFATULPARINTILOR.RO.
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