Database on Physics content in Natural Science Collections of the Brazilian Textbook Program (PNLD) in the 2021 edition

This database is a result of our in-depth study on the Physics content in the Natural Science (NS) Collections approved in the Brazilian Textbook Program (PNLD) 2021 edition. We meticulously analyzed 42 textbooks (TB), forming 7 NS collections, with 6 TB each. Our research delved into the authors´ educational background and the distribution of Physics content and themes through documental and content analysis. The key findings of this study are the well-balanced distribution of themes among physics (33.82%), biology (33.82%), and chemistry (32.36%). The authorship composition, primarily derived from the back cover of the textbooks, ranged from exclusive training in biology to a fair representation of authorship from physics, biology, and chemistry backgrounds.