Experimentos sencillos con la naturaleza Simple nature experiments with everyday materials. Spanish Fredericks, Anthony D. creator Zweifel, Frances W. text sp Barcelona Oniro c2001 2001 monographic spa eng
print
128 p. ill. 21 cm. Experimentos sencillos demuestran los conceptos del medio ambiente como erosión, aireación y camuflaje animal. Simple experiments demonstrate environmental concepts such as erosion, aeration, and animal camouflage. juvenile Anthony D. Frederick ; ilustraciones de Frances Zweifel ; [traducción de Irene Amador]. Environmental sciences Study and teaching (Elementary) Activity programs Juvenile literature Scientific recreations Experiments Environmental sciences Experiments Environmental sciences Experiments Juvenile literature 8495456486 CLE 010517 20160527192432.0 261074