PT Journal AU MARKOVA, I TI REALIZATION OF DEMONSTRATION EXPERIMENT IN TEACHING THE SUBJECT DANGEROUS SUBSTANCES SO Trends in education PY 2012 BP 192 EP 195 VL 5 IS 1 DE dangerous substances; demonstration experiment; IT. AB Demonstration experiment is an appropriate didactic tool in teaching technical subjects. It creates a possibility to present and explain various processes within the study of science subjects in technical branches. This paper deals with presenting a demonstration experiment in the subject Dangerous Substances within the branch 8.3 Security service. It points out the necessity to count on the possible accidents as a consequence of dangerous substances leakage. ER