Chapter 8 – Earth Science

Content Objective: Describing changes in the earth’s surface

Vocabulary: - Erosion- Deposition- Slope- Vegetation

Language Objectives:- Discuss erosion and the effects on landforms- Investigate erosion and wind and water as causes of

erosion- Think about how slope and vegetation are important to in

the erosion process- Describe what could be done to prevent erosion

Erosion

• The movement of rock material from one place to another by natural forces

• Moving water and wind are natural forces that cause erosion

Deposition

• The dropping of sediment by water, wind or ice

• Depositing earth materials some where else

Slope, hill or incline

Vegetation or plants!

Erosion – what causes it?

• Watch this Bill Nye music video:

• Name some natural forces that cause erosion

Bill Nye Earth science