Weathering Erosion Deposition

W, E, or D?  Water getting into cracks, freezing, and breaking the rocks apart

• Weathering
• Erosion
• Deposition

W, E, or D?  Deltas forming at the mouths of rivers

• Weathering
• Erosion
• Deposition

W, E, or D?  Flood water wearing down a canyon wall

• Weathering
• Erosion
• Deposition

W, E, or D?  Flood waters moving soil

• Weathering
• Erosion
• Deposition

W, E, or D?  Acid rain dissolving limestone

• Weathering
• Erosion
• Deposition

W, E, or D?  A mudslide flowing down a steep hill

• Weathering
• Erosion
• Deposition

How can we prevent erosion?

• Dams
• Levees
• Storm Drains
• All of these

Which of these doesn't cause erosion?

• Water
• Wind
• Plants
• Humans

What can help prevent erosion?

• Humans
• Plants
• Landslides
• Water

How often is the Earth's surface changing?

• Always
• Once per week
• Once per month
• Once per year