Each lesson includes reading selections and activities that focus on one science concept, covering the following second grade topics: Ideal for practice at home and classroom enrichment, this robust workbook: Every workbook now includes a free downloadable Teaching Guide! The Teaching Guides include: A leader in PreK–8 educational publishing, Evan-Moor has been a trusted partner of teachers and parents for over 40 years. Our mission is helping children learn, and we do this by creating resources that motivate children to learn important skills and concepts across the curriculum while also inspiring a love of learning.