CK-12 Foundation
Ck 12: Earth Science: Distribution of Water on Earth Study Guide
This comprehensive study guide covers the main terms and concepts needed for an earth science unit on the distribution of water on earth. Review questions are included at the bottom of the study guide.
CK-12 Foundation
Ck 12: Fifth Grade Science
This customizable digital textbook covers topics related to fifth-grade science. It is Next Generation Science Standards (NGSS) aligned.