The didactic strategy experimental biology this strategy happens as an alternative to the traditional teaching where it is heeded that the theory and the practice are unrelated in such sense he perrnitted the theory's development and the practice achieving thus a significant learning. This investigation's general objective was to improve the learning for discovery in intervening Biology area the didactic strategy's application experimental Bíology in the pupils of the fourth secondary- educational grade. Above-mentioned strategy has theoretic support in the theory of the learning for discovery of Bruner, Jean Piaget's Theory of genetic Ausubel constructivismo's significant leaming Supported in these theoretic proposals, himself hypothesized , than if we apply the Biology Experimental as didactic strategy, then Manuel Segundo will improve significantly the learning for discovery in the p...