Geography (Grade 9): High School Learning\r
Geography Grade 9: Weathering | Types of Weathering | Chapter 10| Part 02\r
\r
\r
- Objectives: - Describe diff ways in which physical weathering may happen. - Describe diff ways in which chem weathering may happen.\r
\r
Misconceptions: - All the rocks undergo same type of weathering. - Rain water is too weak to cause any harm to the roots. - etc.\r
Defining Weathering.\r
Defining Agents of Weathering. - Atmosphere- temperature change,moisture,frost.\r
\r
Types of Weathering: - Physical Weathering. - Chemical Weathering - Biological Weathering.\r
\r
Types of Physical Weathering.\r
- Exfoliation\r
- Frost Weathering\r
- Pressure Released\r
- Wetting and Drying\r
- Burrowing Animals\r
- Plants\r
\r
Exfoliation Process:\r
- In Day.\r
- In Night.\r
\r
- Frost Weathering:\r
\r
- Wetting and Drying:\r
\r
- Actions of Plants and Animals.\r
\r
- Chemical Weathering.\r
\r
- Agents of Chemical Weathering - Water - Oxygen - Carbon Dioxide - Living Organism - Acid Rain.\r
- Solution:\r
- Hydrolysis\r
- Oxidation\r
- Living Organisms\r
- Acid rains\r
\r
\r
Video by Edupedia World (), Free Online Education;\r
\r
Download our App : \r
\r
Click on the Link for online Video for Geography :\r
\r
\r
All Rights Reserved.