Unit 4 Review

1. Wind

• Constructive

• destructive

• both

1. Earthquakes

• Constructive

• destructive

• both

1. How does Wind change Earth’s surface features?

• It builds up a dune shape or causes erosion over time

• Quickly builds up lew land formations or causes rifts and landslides

1. How do Earthquakes change Earth’s surface features?

• It builds up a dune shape or causes erosion over time

• Quickly builds up lew land formations or causes rifts and landslides

2. ___________ erosion can cause loose soil to move down a sloppy hill.

• Heat

• Water

• Rock

• Chemical

3. How can you reduce soil erosion?

• Heavy rainfall

• Loose soil

• Vegetation

• slop of the hill

4. If the path of a river changes over time, it was caused by what? (pick 2)

• Weathering

• Erosion

• Deposition

5. What would happen to a desert sand dune if it was affected by moving air?

• physical weathering by gravity

• A new sand dune would form (erosion by wind)

• physical weathering by wind

6. What is the purpose of beach grasses?

• To make the beach look pretty

• To decrease the level of rising sea water

• Reduce the erosion of shorelines

7. What happens when volcanoes erupt?

• Cause mud avalanches

• Ash comes out of the volcano

• Cause tsunamis