Middle School Lesson Plans http://www.heart.org/HEARTORG/Educator/FortheClassroom/MiddleSchoolLessonPlans/Middle-School-Lesson-Plans_UCM_304280_Article.jsp Lesson Plans for teachers of 6-8 graders. Mon, 06 May 2013 19:58:00 GMT http://www.heart.org/HEARTORG/Educator/FortheClassroom/MiddleSchoolLessonPlans/Middle-School-Lesson-Plans_UCM_304280_Article.jsp 2013-05-06T19:58:00Z