Complete gradual release in one worksheet - PowerPoint presentation includes all notes (available as a bundle). SC.6.E.6.1 Describe and give examples of ways in which Earth's surface is built up and torn down by physical and chemical weathering, erosion, and deposition.Objective: Define erosion and the agents of erosion Explain how erosion changes Earth’s surface. Explain how glacial erosion contributes to the formation of large lakes KEY POINTS: Erosion: the process by which bits of broken down