How do geologic processes change earth’s physical features? Utah State Science Core Curriculum Topic: Strand 5.1: Characteristics and Interactions of Earth’s Systems. Earth’s major systems are the geosphere, the hydrosphere, the atmosphere, and the biosphere. These systems interact in multiple ways. Weathering and erosion are examples of interactions between Earth’s systems. Standard 5.1.1 Analyze and interpret data to describe patterns of Earth's features. Standard 5.1.3 Ask questions to plan and carry out investigations that provide evidence for the effects of weathering and the rate of eros