*English--->With this PowerPoint presentation you can introduce the matter and its states to children in primary education, from first grade to sixth grade. This is an introduction to motivate further autonomous research.We find theory and, on the last slide, a serie of challenges for the child, thus completing learning holistically. It is very useful for virtual education and homeschooling.*Spanish--->Con esta presentación en PowerPoint se puede introducir la materia y sus estados a los n