Weathering and Erosion By: Lindsey Iames & Mikaela White

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Weathering and Erosion

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Presentation transcript:

Weathering and Erosion By: Lindsey Iames & Mikaela White

Types of Weathering Chemical Mechanical

Agents of Weathering Rainwater Oxygen Carbon dioxide Plant decay acids These are all examples of chemical erosion. They are called agents

Soil Horizons There are three horizons (A,B,C) in soils.

A Horizon Topsoil Dark Organic material

B Horizon Subsoil contains clay soluble minerals

C Horizon slightly weathered parent material rock fragments.

Major soil types There are two major soil types. The two types are Pedocals and Pedalfers.

Agents of erosion Water-beaches and rivers Ice-glaciers Gravity-landslides Wind-sand dune

Question 1 Which horizon is made up of slightly weathered parent material and rock fragments. A. C Horizon B. A Horizon C. B Horizon

Right Good Job!!

Wrong Try again

Question 2 Which is NOT an agent of weathering? A. Rainwater B. Soil C. Plant decay

Right Nice work!!

Wrong Try again

List two types and four Agents of Weathering Chemical Mechanical Four Agents Rainwater Oxygen Carbon Dioxide Plant Decay Acids

List and Describe each soil horizon, and how each develops. A Horizon-Topsoil, Dark, Organic material B Horizon-Subsoil, contains clay, soluble minerals C Horizon-Slightly Weathered parent material, rock fragments

Water-Beaches and Rivers Ice-Glaciers Gravity-Landslides List four agents of erosion, and describe the landforms associated with each Water-Beaches and Rivers Ice-Glaciers Gravity-Landslides Wind-Sand Dune

The End