DM NO. 748, S. 2022. TEACHING SCIENCE BEYOND THE CLASSROOM THROUGH PHILIPPINE SCIENCE CENTRUM (PSC) VIDEO-BASED EXHIBITS AND LAB IN A BOX FOR GRADES 7-12 SCIENCE TEACHERS IN NCR Posted on August 9, 2022 by DepEd Mandaluyong Leave a comment DM NO. 748, S. 2022. TEACHING SCIENCE BEYOND THE CLASSROOM THROUGH PHILIPPINE SCIENCE CENTRUM (PSC) VIDEO-BASED EXHIBITS AND LAB IN A BOX FOR GRADES 7-12 SCIENCE TEACHERS IN NCR Memorandum Numbered