Study ball
This skill shows, as well as interact among themselves tire and orange peel.
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You will need:
A balloon
Orange.
Instruction:
Vsuite atmospheric balloon.
Peel the citrus, but the orange skin (the zest) does not throw.
Squeeze the orange peel need a ball, after which one breaks.
Explanation.
The orange peel includes an element of lemon. Someone is ready to dissolve the rubber, and what is done with the ball.
Source: http://www.infoniac.ru/news/10-interesnyh-eksperimentov-dlya-detei.html