1. Changing Earth’s Surface
Mass Movement

2. Wearing Down and Building Up
- Changing Earth’s Surface
Wearing Down and Building Up
Weathering, erosion, and deposition act together in a cycle that wears down and builds up Earth’s surface.

3. - Changing Earth’s Surface
Mass Movement
The different types of mass movement include landslides, mudflows, slump, and creep.

4. Mass Movement Activity
- Changing Earth’s Surface
Mass Movement Activity
Click the Active Art button to open a browser window and access Active Art about mass movement.

5. Comparing and Contrasting
As you read, compare and contrast the different types of mass movement by completing a table like the one below.
Mass Movement
Type of Mass Movement
Speed
Slope
Landslide
rapid
steep
Mudflow
rapid
gentle to steep
Slump
rapid
steep
Creep
slow
gentle to steep