Prepares students for the new standards and the commencement level PS/Earth Science Test. Challenges with content-based, multiple choice, short and extended constructed-response questions. Features process skills activities in information systems, interconnectedness, and interdisciplinary problem solving,. Correlates PS/Earth Science key ideas on Earth dimensions, rocks and minerals, dynamic crust, surface processes, water cycle and climate, astronomy, and environmental awareness. Fosters mastery with practice on four recent tests for practice.