This book, from "A World to Discover" collection for grade four is divided into five units. Each unit contains a particular scientific field: Plants and the Environment, Animals and the Environment, Man and Health, Man and the Environment, The Earth and the Universe, Matter and Energy.

This book is available in an enriched animated projection with a teacher’s guide. For each chapter, the student as an apprentice researcher is invited to question, observe, research, experiment, discover, and reach a clear answer to their hypothesis.