Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Reversible and irreversible changes | A theoretical material that clearly explains the reversible and irreversible changes happening around us and therir characteristics. |
| 2. | Slow natural changes | A theory material that explains about desirable and undesirable changes, some slow natural changes happening around us. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Exothermic and endothermic changes | Other | easy | 4 m. | Practise the questions based on chemical change around us. |
| 2. | Change: Reversible and irreversible | Other | easy | 2 m. | An exercise based on the topic reversible and irreversible changes. The student has to sselct whether the given statement is true or false. An an outcome will be learning the mentioned concepts. |
| 3. | Characteristics of desirable and undesirable change | Other | easy | 2 m. | An exercise that focuses on characteristics of reversible and irreversible changes, the student has to choose the correct answer from the given questions. |
| 4. | Types of changes | Other | medium | 2 m. | An exercise focussing on the various types of changes taking palce around us, the student has to select whether the given statement is correct or incorrect based on the understanding about types of changes. |
| 5. | Characteristics of changes | Other | medium | 2 m. | An exercise that displays the characteristics of changes happening through applying the prior understanding, the student has to select the correct answer for the assertion and reason given. |
| 6. | Changes | Other | medium | 3 m. | This exercise incorporates questions from textbook. Analyze your knowledge by answering these questions. |
| 7. | Steps involved in natural changs | Other | medium | 4 m. | An exercise focussing on the various steps involved in the natural changes, the student has to select whether the given statement is correct or incorrect based on the understanding about types of changes. |
| 8. | Comparison of reversible and irreversible changes | Other | hard | 5 m. | An exercise based on the comparison of physical and chemical changes. The student has to choose the correct answers to the given questions. As an outcome learns the same. |
| 9. | Burning of candle | Other | hard | 5 m. | An exercise that focuses on characteristics of burning candle, the student has to choose the correct answer from the given questions. |
| 10. | Natural changes: Weathering of rocks and soil erosion | Other | hard | 4 m. | An exercise that focuses on the basic propertirs of metals. The student has to select the correct answer. As an outcome will learn the mentioned. |