Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Slow natural changes | This theory explains about the slow natural changes, desirable and undesirable changes, and physical, chemical changes occuring in the same process. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Weathering of rocks and erosion | Other | easy | 2 m. | This exercise contains MCQs that contains questions about the weathering of rocks and erosion. |
| 2. | Matching the term with the explanation | Other | medium | 2 m. | This exercise contains match the following based questions about matching the terms that suits well with the given phrases. |
| 3. | Difference between weathering and eroson | Other | medium | 3 m. | This exercise contains one question about the difference between weathering and soil erosion. |
| 4. | Desirable and undesirable change | Other | easy | 2 m. | This exercise contains a question where students has to classify the given changes to desirable and undesirable changes. |
| 5. | A&R - Desirable and undesirable changes | Other | medium | 2 m. | This exercise contains assertion and reason based question about the concepts of desirable and undesirable changes. |
| 6. | TBQ - Weathering | Other | medium | 3 m. | This exercise contains one textbook based descriptive question about whether the weathering is a physical change or chemical change. |
| 7. | Classification of physical and chemical changes | Other | medium | 2 m. | This exercise contains one quesiton where students has to classify the changes observed from burning of candle into physical and chemical changes. |
| 8. | CBQ - Burning of candle | Other | hard | 4 m. | This exercise contains one case based question about the burning of candle and different types of changes present in the process. |
| 9. | Activity - Observation in daily life | Other | hard | 4 m. | This exercise contains one activity based question about the observation happens in daily life. |