[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.innovatio.cz\/fyzikalni-a-chemicke-pokusy-ktere-zvladnete-i-doma\/#Article","mainEntityOfPage":"https:\/\/www.innovatio.cz\/fyzikalni-a-chemicke-pokusy-ktere-zvladnete-i-doma\/","headline":"Fyzik\u00e1ln\u00ed a chemick\u00e9 pokusy, kter\u00e9 zvl\u00e1dnete i doma","name":"Fyzik\u00e1ln\u00ed a chemick\u00e9 pokusy, kter\u00e9 zvl\u00e1dnete i doma","description":"Fyzika a chemie nemus\u00ed b\u00fdt jenom nuda, m\u016f\u017ee to b\u00fdt i z\u00e1bava. Pro to, aby d\u011bti l\u00e1tku prob\u00edranou ve \u0161kole…","datePublished":"2020-01-25","dateModified":"2023-06-06","author":{"@type":"Person","@id":"https:\/\/www.innovatio.cz\/author\/#Person","name":"","url":"https:\/\/www.innovatio.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/b86e461e91a792eb6523c2667396c9868de382fea5dd80e25dc0d9e030173b65?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/b86e461e91a792eb6523c2667396c9868de382fea5dd80e25dc0d9e030173b65?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"innovatio.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.innovatio.cz\/wp-content\/uploads\/img_a366995_w4281_t1579436190.jpg","url":"https:\/\/www.innovatio.cz\/wp-content\/uploads\/img_a366995_w4281_t1579436190.jpg","height":0,"width":0},"url":"https:\/\/www.innovatio.cz\/fyzikalni-a-chemicke-pokusy-ktere-zvladnete-i-doma\/","about":["V\u011bda"],"wordCount":410,"articleBody":"Fyzika a chemie nemus\u00ed b\u00fdt jenom nuda, m\u016f\u017ee to b\u00fdt i z\u00e1bava. Pro to, aby d\u011bti l\u00e1tku prob\u00edranou ve \u0161kole spr\u00e1vn\u011b pochopily, ob\u010das sta\u010d\u00ed jen n\u00e1zorn\u00e1 uk\u00e1zka. U\u010den\u00ed tak nebude jen nesmysln\u00e9 biflov\u00e1n\u00ed vzorc\u016f, z\u00e1kon\u016f, rovnic a Va\u0161e ratolest se tak bude moci bl\u00fdsknout p\u0159ed zraky kantor\u016f a spolu\u017e\u00e1k\u016f. Mysl\u00edte si, \u017ee nem\u00e1te k pokus\u016fm dostatek prost\u0159edk\u016f, ale kdepak, fyzika a chemie je v\u0161ude kolem n\u00e1s a tyto pokusy zvl\u00e1dnete i doma s v\u011bcmi ka\u017edodenn\u00edho \u017eivota.
 
 Plovouc\u00ed vejce – Aneb jak vysv\u011btlit hustotu
 
 Co budete pot\u0159ebovat 
 
 – vejce, vodu, s\u016fl, vysok\u00e1 sklenice, l\u017e\u00edci
 
 Postup
 
 – Napl\u0148te sklenici s poloviny vodou
 
 – Um\u00edst\u011bte do sklenice s vodou vejce (potop\u00ed se)
 
 – Do vody ve sklenici nasypte s\u016fl, za\u010dn\u011bte s jednou l\u017e\u00edc\u00ed a pr\u016fb\u011b\u017en\u011b m\u00edchejte, aby se s\u016fl rozpustila. Postupn\u011b p\u0159id\u00e1vejte s\u016fl do t\u00e9 doby, co se vejce za\u010d\u00edn\u00e1 vzn\u00e1\u0161et
 
 – Nakonec opatrn\u011b p\u0159il\u00e9vejte do roztoku vodu. Pokud budete dostate\u010dn\u011b opatrn\u00ed, vejce se bude vzn\u00e1\u0161et mezi roztokem soli s vodou a samotnou vodou.
 
 Jak to funguje
 
 – Vejce m\u00e1 v\u011bt\u0161\u00ed hustotu, ne\u017e samotn\u00e1 voda (obsahuje v\u00edce molekul na \u010dtvere\u010dn\u00fd m), co\u017e zp\u016fsob\u00ed, aby se potopilo. T\u00edm \u017ee p\u0159isypete s\u016fl, zv\u00fd\u0161\u00edte hustotu vody a d\u00edky tomu se vejce za\u010dne vzn\u00e1\u0161et na hladin\u011b
 
 Vrstvy kapalin
 
 Co budete pot\u0159ebovat
 
 – sklenici, l\u017e\u00edci, vodu, olej, sirup, dle libosti potravin\u00e1\u0159sk\u00e9 barvivo
 
 Postup
 
 – Napl\u0148te sklenici s poloviny vodou
 
 – Do vody p\u0159idejte kapku potravin\u00e1\u0159sk\u00e9ho barviva
 
 – Pomalu p\u0159il\u00e9vejte sirup a pozorujte, co se stane
 
 – P\u0159il\u00e9vejte po kapk\u00e1ch olej a pozorujte reakci
 
  
 
 Jak to funguje
 
 – Ka\u017ed\u00e1 z t\u011bchto kapalin m\u00e1 jinou hustotu
 
 Tan\u010d\u00edc\u00ed kapalina
 
 Co budete pot\u0159ebovat
 
 – Mouka, voda, potravin\u00e1\u0159sk\u00e9 barvivo, reproduktor
 
 Postup
 
 – Zam\u00edchejte dohromady vodu, mouku a potravin\u00e1\u0159sk\u00e9 barvivo
 
 – Nalijte sm\u011bs na m\u011blk\u00fd tal\u00ed\u0159, kter\u00fd um\u00edst\u011bte na reproduktor
 
 – Zapn\u011bte hudbu a pozorujte, jak kapalina tan\u010d\u00ed jej\u00edho rytmu
 
 Jak to funguje
 
 – Zvuk je slo\u017een z vibrac\u00ed. Vibrace se p\u0159enesou z chv\u011bn\u00ed reproduktoru na tal\u00ed\u0159 a t\u00edm tak roztan\u010d\u00ed kapalinu.
 
 Je\u0161t\u011b st\u00e1le si mysl\u00edte, \u017ee je t\u011b\u017ek\u00e9 vysv\u011btlit d\u011btem fyzik\u00e1ln\u00ed principy?
 
  
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