3credit(s) This course shows, by demonstration and lecture, Biological Science Curriculum and Instruction for the Montessori Elementary Years. An understanding of the interdependencies of life on earth is offered through presentations the Physical and Earth Science Curriculum and Instruction for the Elementary Years. The presentations of physical and political geography are designed to give students an understanding of the interdependencies of the Earth and life upon it. Included in this course are presentations in physics, chemistry, geology and astronomy. Prerequisite(s): EDEM 500, EDEM 510, and EDEM 520. Corequisite(s): EDEM 540.