Cours de Physique Chimie 3ème is a free educational app developed by moro app for Android users. This app is designed to help 3rd-grade students learn the principles of scientific reasoning and develop their critical thinking, observational skills, and curiosity about scientific and technological progress.

The app features a comprehensive program that covers several topics such as energy, movement, and matter. Each chapter in the program is meticulously crafted to provide students with a clear understanding of the subject matter. For instance, the energy chapter covers topics such as energy conservation, electricity production, energy and power, Ohm's law, and electrical safety. The movement chapter covers topics such as object motion, relative trajectories, interactions and forces, static equilibrium, uniform electric motion, gravitational force, and the earth's orbit around the sun. Finally, the matter chapter covers topics such as temperature change, metal identification, atomic structure, ion identification, pH of solutions, acid-base reactions, metal-acid reactions, and the structure and composition of the universe.

Overall, Cours de Physique Chimie 3ème is an excellent educational tool for 3rd-grade students that provides a comprehensive program to develop their scientific reasoning and critical thinking skills.