Weathering and Erosion

Front

What is the process called when rocks are made smooth by wind blowing smaller rock particles across their surface?

Back

Abrasion.

Front

What term describes the natural chemical or physical processes that break down rock on Earth's surface?

Back

Weathering.

Tags

NGSS.MS-ESS2-2

Front

How does a weathered mountain typically appear compared to an unweathered mountain?

Back

A weathered mountain would be rounder and less jagged.

Tags

NGSS.MS-ESS2-2

Front

What type of weathering occurs when rocks weaken and break down due to chemical changes in their composition?

Back

Chemical weathering.

Front

What is an example of chemical weathering involving a metal statue?

Back

A metal statue slowly turning green after years of being outside.

Tags

NGSS.MS-PS1-2

Front

What is the difference between mechanical weathering and chemical weathering?

Back

Mechanical weathering involves physical processes that break rocks apart, while chemical weathering involves changes in the chemical composition of rocks.

Front

What role does water play in the weathering process?

Back

Water can cause both mechanical and chemical weathering, such as through freeze-thaw cycles and hydrolysis.

Tags

NGSS.MS-ESS2-2

Front

What is the term for the movement of weathered materials from one location to another?

Back

Erosion.

Front

How can vegetation influence the weathering process?

Back

Vegetation can protect rocks from weathering and erosion, but roots can also contribute to mechanical weathering.

Front

What is frost wedging and how does it contribute to weathering?

Back

Frost wedging is a mechanical weathering process where water seeps into cracks, freezes, expands, and causes the rock to break apart.

Tags

NGSS.MS-ESS2-2