Topic Three (1.3): What is weathering?

Objectives for this topic

By the end of this topic you should be able to:

explain the terms: physical weathering, chemical weathering, freeze-thaw weathering, exfoliation, feldspars, clay, quartz, soil;
name the two main types of weathering and state the key difference between them;
describe four processes in physical weathering and two processes in chemical weathering;
understand that the weathering of rock leads to soil;
give the two key factors that affect the rate of weathering (climate and rock type).

Introduction

In this topic you will learn about the two main types of weathering processes - physical and chemical. You will also learn about the key factors affecting weathering (climate and rock type) and the end result - soil.

Working through your coursebook

geog.3, read through pages 10–11.
Watch this video about the different types of weathering:

WATCH – Weathering (Twig) (only available on full course)

COMPLETE - Lesson 1 - slide 3 and 13 (Kerboodle) Links to an external site.

COMPLETE - 1.3 Quiz Time! (Kerboodle) Links to an external site.

COMPLETE - 1.3 Sort it Out! (Kerboodle) Links to an external site.

If you have completed the Year 8 Geography course you will already have learnt a little about weathering in the Glaciers topic, but now you will go into more detail. The link below will show you the processes in a more visual way:

WATCH - Weathering (YouTube) Links to an external site.

Complete all the ‘Your turn’ activities on page 11. As always, with the ‘Your turn’ tasks think about writing in as much detail as you can. To help structure your writing clearly:

DOWNLOAD - Skills Resource: Extended answers in Geography Download DOWNLOAD - Skills Resource: Extended answers in Geography

Topic Three (1.3): What is weathering?

Objectives for this topic

Introduction

Working through your coursebook

Review

Support activity for this topic

Extension activity for this topic

Check your answers