PT Journal AU KRUPA, K TI THE CHOICE OF COULORS IN THE DIDACTIC PICTURE APPLIED IN TEACHING ELECTRONICS SO Trends in education PY 2009 BP 476 EP 479 VL 2 IS 1 DE colors; perception; teaching; drawing; electronics. AB The article analyses the physiological foundations of colour perception, the influence of colours on human psyche and the possibility of using a colourful visual means in technology teaching and in particular the didactic drawing, applied in teaching electronics. ER