In DK Workbooks: Science: Second Grade , second graders can practice what they learn in school with exercises on liquids, solids and gases, global weather patterns, life cycles of living creatures like frogs, jellyfish, and locusts, and more. Help your child move to the head of the class DK Workbooks: Science is an innovative series of workbooks aligned to school curriculum that helps make learning easy and fun. Each title is packed with exercises...