Kemiatestejä kotona. Poika lämmittää koeputkea punaisella nesteellä polttamalla alkoholilamppua - Kuvapankin materiaali ja video

Experiments on chemistry at home. Boy heats the test tube with red liquid on burning alcohol lamp. The liquid boils

Experiments on chemistry at home. Boy knocks on a test tube with reagents using glass stick

Experiments on chemistry at home. Chemical reaction with the release of gas in a test tube in the hands of a surprised boy

Experiments on chemistry at home. Boy is looking at tube to make sure its clean

Experiments on chemistry at home. Boy is looking at tube to make sure its clean

Experiments on chemistry at home. Boy heats the test tube with red liquid on burning alcohol lamp. The liquid boils

Experiments on chemistry at home. Boy knocks on a test tube with reagents using glass stick

Experiments on chemistry at home. Chemical reaction with the release of gas in a test tube in the hands of a surprised boy

Experiments on chemistry at home. Boy is looking at tube to make sure its clean

Experiments on chemistry at home. Boy is looking at tube to make sure its clean

Experiments on chemistry at home. Boy in checkered shirt sits at the table and going to practice chemistry experiments