Geography Grade 9: Weathering | Types of Weathering | Chapter 10| Part 02

Geography (Grade 9): High School Learning\r
Geography Grade 9: Weathering | Types of Weathering | Chapter 10| Part 02\r
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- Objectives: - Describe diff ways in which physical weathering may happen. - Describe diff ways in which chem weathering may happen.\r
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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
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Types of Weathering: - Physical Weathering. - Chemical Weathering - Biological Weathering.\r
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Types of Physical Weathering.\r
- Exfoliation\r
- Frost Weathering\r
- Pressure Released\r
- Wetting and Drying\r
- Burrowing Animals\r
- Plants\r
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Exfoliation Process:\r
- In Day.\r
- In Night.\r
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- Frost Weathering:\r
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- Wetting and Drying:\r
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- Actions of Plants and Animals.\r
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- Chemical Weathering.\r
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- 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
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