Utah Education Network (UEN)
Utah Open Textbook: 4th Grade Science
How does weather affect Earth? Learners understand the characteristics of water and make predictions about weather patterns. They recognize how water and weather affect rocks and minerals through erosion. They also learn about fossils...
University of California
Understanding Science: The Core of Science: Relating Evidence and Ideas
Learn that the real process of science proceeds at multiple levels and sorts through many ideas, retaining and building upon those that work, and relating the evidence discovered with scientific ideas.