NSTA Press creates classroom-ready activities, hands-on approaches to inquiry, relevant professional development, the latest scientific education news and research, assessment, standards-based instruction-- NSTA Press(R) develops and produces the high-quality resources that science educators need. Picture-Perfect Science/STEM Lessons are created by classroom veterans Karen Ansberry and Emily Morgan know elementary educators are usually crunched for science instructional time and could often use refresher explanations of scientific concepts.