Page 131 - Science Course 2 (Book 2)

Processes That Change Earth’s Surface Mo11-L2a: How Does Weathering Affect
Lesson 2 Earth’s Surface?

physical weathering
In this topic, you will learn the following the process of breaking down rocks and minerals
lessons: without changing their composition.
Mo.11–L2a: How Does Weathering Affect
Earth’s Surface?
Mo.11–L2b: What is Deposition?

Mo11-L2a How Does Weathering Affect
Earth’s Surface?

KEY CONCEPTS:
1. How does weathering change Earth’s surface?
2. How are weathering and soil formation related?

Vocabulary A-Z

Let us learn some vocabulary

weathering
the mechanical and chemical process that changes chemical weathering
Earth’s surface over time. the process that changes the composition of rocks
and materials due to exposure to the environment.

erosion
the moving of weathered material or sediment, from soil
one location to another.
a mixture of weathered rock, rock fragments,
decayed organic matter, water, and air.

123