Poučne videa pre študentou

1. čas

(poučne videá na tému matematika )

Math genius!

alebo,

Amazing math trick that proves 2 = 1 !!!!

alebo,

Fast Maths Trick of Calculation

2. čas

(poučne videá na tému chémia)

Chemistry experiment 2. - Coloured flask.

alebo,

Chemistry experiment 11 - Jumping sodium

alebo,

Chemistry experiment 13 - Hydrogen balloon