GEOGRAPHY FOR 2025 & BEYOND
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amazing  weathering 

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Picture
Picture
Starter: Try to explain what has happened in each of the pictures above. What has caused these features (apart from the sheep) to occur? 

Weathering & Landscapes 

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Picture
Picture
igcse geography - weathering
Starter: Take a close look at the three images above. What has happened?  The answer is weathering but what makes this different from erosion? Weathering happens to rock that is in-situ and so is not the same as what happens in rivers and oceans where material is on the move. 

Make a copy of this definition: 
Weathering is the break-up and decomposition of rocks in-situ (in their place of origin). Weathering does not involve the movement of material and this makes it different to erosion.

Weathering can be broken into either three categories:
  1. Chemical Weathering: The break down of rocks caused by a change in their chemical make-up.
  2. Physical or Mechanical Weathering: The break down of rocks caused by physical processes with no change in the rocks chemical make up.
  3. Biological Weathering: Biological is sometimes included within physical weathering. Biological weathering is when flora and fauna break down the rock e.g. growing roots systems or burrowing animals.
Task 1 - Click here to be taken to an excellent iGCSE revision page on Weathering created by Mr Greenfield. Make your own copy of each of the tables that show the types of the three different processes of weathering. (Chemical weathering - Carbonation & Hydration & Physical Weathering - Freeze Thaw & Exfoliation)

Task 2 - Create a spider diagram / mind map to show the factors that affect the rates (fast or slow) of weathering. 

Task 3 - iGCSE Geography Exam Practice
Explain why rates of weathering may be faster in tropical areas compared to temperate areas (4)

Task 4 - Further case study research.

1. Limestone Case Study - Madagascar Stone Forest. Click here for more information and excellent imagery. 

2. Uluru (Ayer's Rock), Australia - Click here for more information

Create a revision fact sheet for one of these places with annotated photos and information on which type of weathering was responsible for its creation. 


Knowledge Stop Check - Got it?

Click here to be taken to the GCSE revision page for this section. 
All content copyright geographypods unless otherwise stated. 
Picture
Picture
Photos from Danny Nicholson, Dawn Endico
  • Home
    • About & Contact
    • Discover The World Education >
      • Sample Lessons IGCSE/IBDP
    • Blog
    • Site Testimonials
    • Photos (Free to use) >
      • Floods
      • Snow & Mountains
      • Coastal
      • Tropical
      • Urban
      • Sports
  • Reactive
    • Qatar World Cup 2022
    • Famous Refugees
    • Over the Horizon
    • Migration to the EU. >
      • Classroom Display
    • Hurricane Matthew 2016 >
      • Hurricane Matthew Display
    • Nepal Earthquake 2015
    • Ebola 2014
    • Don't Panic - The Truth About Population
    • Israel & Palestine Group 3
    • Global Village + Maths
    • IB Sample Lesson 2017
  • G9-10 IGCSE 0460
    • Theme 1 Population & Settlement.
    • Theme 2 - Natural Environment
    • Theme 3 - Economic Development
    • Coursework >
      • IGCSE Berlin Fieldwork
      • IGCSE Rivers France
      • IGCSE Barcelona Fieldwork
    • IGCSE Exam Revision
  • Grade 6
    • G6 Factfulness
    • Introducing Tectonics
    • Volcanoes
    • Earthquakes
    • The New Silk Road
    • Map Skills
    • Tornadoes
    • The Ice Man
    • Landscape in a Box >
      • 2016 Efforts
      • 2012 Efforts >
        • 7X
        • 7Y
    • End of Year Exam
    • Parent Information
  • Grade 7
    • G7 Factfulness
    • 8850 Top of the World
    • Geography of My Stuff
    • Another Shopping Centre?
    • Sinkholes
    • Walls
    • Carcassonne Connection
    • Renaissance Day
    • End of Year Exam
  • Grade 8
    • G8 Factfulness
    • Global Development
    • Geography & Music
    • Global Biomes
    • Climate & Rainforest
    • The Tribe
    • Palm Oil & Me >
      • Palm Oil Assessment
    • Introducing Waterfalls
    • Tourism Blessing or Curse?
    • Niagara Redeveloped DME
    • IGCSE Options
    • End of Year Exam