The following article is a documentary research that addresses the teaching of physics from elementary school or primary grades. It explores first the problem that exists in the teaching of this subject and the importance of having a teacher teach it Physics from elementary school. It begins with an approach to the notions of discovery that a student has in his world of movement, nature and reality to reach the most sophisticated slopes in the laws of physics. Given the importance of this subject and its connection with the world of mathematics, the authors conclude, recommend and suggest as a compulsory subject in the curriculum physics since elementary school.