Chapter 3 Exogenetic Movements Part 1
- See the given pictures. Observe the physical appearance of the rocks in each picture. You can see that rocks are broken At some places the day temperatures are very high and the night temperatures are very low. In the given pictures the rocks may have broken d... 1
- Identify the type of weathering from the given description. (a) Some animals live inside the grounds by making (a) Biological weathering (b) Chemical weathering (c) Mechanical weathering (d) Mechanical weathering (e) Mechanical weathering 1
- Complete the flowchart below. Weathering process Chemical weathering Exfoliation Oxidation Burrowing by animals Complete the flowchart below. Weathering process Chemical weathering Exfoliation Oxidation Burrowing by animals 2
- Write whether the statements are true or false. Correct the incorrect ones. (a) Climate affects earthquakes. Answer: False – Internal movements affect (leads to) earthquakes. (b) Mechanical weathering is less effecti... 1
- Distinguish between weathering and mass wasting. Weathering Breaking or weakening of rocks is called as weathering. Weathering is of three types – Mechanical, Chemical and Biological. Mass... 1
- How does biological weathering occur? The weathering caused by living organisms is called biological weathering It is the process by which rocks are broken into small fragments a... 1
- What are the main types of chemical weathering? The process of decomposition of rocks due to changes in their chemical composition is called chemical weathering. Its main types are: (i) Ca... 1
- What is mechanical weathering? The disintegration of rocks without any change in their chemical composition is called mechanical weathering. The minerals in the rocks expa... 1