We have several education databases that cover a wide variety of science classroom needs, including the latest research, reports from schools, and other significant milestones in education.
Many science and science teacher organizations have a wide variety of teacher and student resources, including tutorials, class materials, and lesson plans.
National Council of Teachers of Mathematics Classroom Resources
TeacherVision Math Teacher Resources
ShareMyLesson Teaching Activities
Yummy Math teaching activites designed to answer "When Will I Use This?"
TedEd Math Videos