Co na ciśnie 2

The second part of simple experiments for children and (especially) parents. From drinking water through a straw, to crushing a plastic bottle, to lifting a glass with a balloon. And a few simple "tricks" along the way. All to explain what causes pressure. And it causes a lot of pressure. Fortunately, we are accustomed to this "pressure" from birth. I invite you to observe and perform the proposed experiments, or tricks for children, yourself.