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Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Changes and their types | To study about the changes happening around us in detail. |
| 2. | Expansion and contraction of metals | To study in detail about irreversible process with examples and changes in metals due to heating and cooling. |
| 3. | Forms of water | To learn about the different processes involved to change the states of water and dissolution in detail. |
| 4. | Changes around us PDF chapter test |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Changes and its examples | 1st type - receptive | easy | 2 m. | To know about the real life examples of changes. |
| 2. | Types of changes | 1st type - receptive | easy | 2 m. | To know about the examples of reversible and irreversible changes. |
| 3. | Reversible and irreversible process | 1st type - receptive | medium | 4 m. | To know the reason of reversible and irreversible changes happening in an object. |
| 4. | Changes according to season | 1st type - receptive | easy | 1 m. | To know about expansion and contraction in general. |
| 5. | Changes in substances | 2nd type - interpretation | medium | 4 m. | To know more about the changes happening in different substances. |
| 6. | Changes in water | 2nd type - interpretation | medium | 4 m. | To know about the different types of changes happeneing in water. |
| 7. | Natural and man-made changes | 2nd type - interpretation | medium | 4 m. | To know about natural and man-made changes that are reversible and irreversible. |
| 8. | Chemical changes and its reasoning | 3rd type - analysis | hard | 9 m. | To analyse the questions based on physical and chemical changes. |
| 9. | Natural and man-made changes | 2nd type - interpretation | medium | 5 m. | To know the examples of all kinds of changes around us. |
| 10. | Types of changes with explained examples | 3rd type - analysis | medium | 6 m. | To analyse and choose the correct answers of the reasons for the changes happening in the substances. |
| 11. | Water and its natural changes | 2nd type - interpretation | easy | 2 m. | To understand about the different processes to change the states of water and its picture examples. |
| 12. | Change of states in water | 1st type - receptive | hard | 9 m. | To analyse the given situations on different types of changes of states in water and answer accordingly. |
| 13. | Process related to changes | 2nd type - interpretation | easy | 3 m. | To know about the general terms related to the process involved in changing a substance. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Parts of the process | Other | medium | 4 m. | To know about the names of changes in the states of water and its definition. |
| 2. | Physical and chemical changes | Other | hard | 9 m. | To answer the questions based on physical and chemical changes in various processes. |
| 3. | Types of processes | Other | hard | 9 m. | To answer the reasoning questions based on reversible and irreversible process. |
| 4. | Categorize the types of changes | Other | hard | 11 m. | To categorize the reversible and irreversible changes happening around us. |
Tests
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Training test 1 | 00:15:00 | easy | 8 m. | To test the basic concepts learned on changes with examples, and the types of changes. |
| 2. | Training test 2 | 00:15:00 | medium | 10 m. | To get trained on the natural and man-made changes and also the process involved in changing the form of water. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Homework test 1 | 00:20:00 | medium | 14 m. | To test the knowledge gained on learning about the changes in the substances according to the seasons and aslo about the types of processes involved. |
| 2. | Homework test 2 | 00:20:00 | medium | 15 m. | To do an activity based on the different categories of changes occurring around and also to label the processes. |
| 3. | Progress test 1 | 00:20:00 | hard | 17 m. | To test the progress on learning the concepts of changes in water, and physical and chemical changes in nature. |
| 4. | Progress test 2 | 00:20:00 | hard | 24 m. | To test the idea of changes with examples explained in detail, and also with the reasoning on chemical changes. |
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