Passing the Middle School Science exam is a snap with XAMonline's comprehensive study guide! With seven content categories such as Scientific Methodology, Techniques and History; Basic Principles; Physical Sciences, Life Sciences; Earth/Space Sciences; Science, Technology, and Society; and Short Content Essays, our study guide will give you tools you need to make the real test a breeze. The guide also covers 27 competencies and 170 skills and includes a 90-questions sample test. . CLICK HERE TO START DOWNLOAD