University:
Ridge Point High School
Course:
Biology
Academic year:

2025
Views:

135

Pages:

13
Author:

Sujatha Vimal

Weathering and Erosion Think, Share • Recently, we have covered the following topics: • Water • pH • Carbon Cycle • How do you think all of these topics are related? Water on Earth • Water is constantly circulated around planet (water cycle) • 70% of the Earth’s surface is covered with water • Water is a major force that shapes the surface of our planet Weathering and Erosion • The natural forces responsible for the shape of our environment • Weathering – breaking down of rock material • Types: • Mechanical – physical breaking apart • Chemical – chemically dissolving minerals in the rock • Erosion – the transport of rock fragments and dissolved minerals • Agents of erosion: Wind, Water, Ice and Gravity http://www.nationalgeographic.com/environmen t/sinkhole/ Activity • For each scenario: • circle whether the example is of physical/mechanical or chemical weathering. • Identify the agent of erosion, if erosion is discussed.