5 March 2012

Lesson "Gazy, ciecze i ciała stałe" with experiments and hand-on activities
(Dr. Roman Luboradzki)
Institute of Physical Chemistry of the Polish Academy of Sciences
photo G. Krzyżewski
2012-03-26_KL_GK7431 2012-03-26_KL_GK7324 2012-03-26_KL_GK7421
Lesson "Kolor i biel w przyrodzie i laboratorium"
(Dr. Jerzy Karpiuk)
2012-03-26_JK_GK7236 2012-03-26_JK_GK7133 2012-03-26_JK_GK7196