PDF chapter test TRY NOW
Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Potable water | In this theory, we will learn about characteristics of potable water. |
| 2. | Water purification | Purification of water involves few steps. Let us look at them in detail. |
| 3. | Hardness of Water | We are all familiar with water. But there are two types of water: hard and soft water. Let us check which of them is suitable for drinking and which is not. |
| 4. | Removal of hardness of Water | This part of the theoretical section shows how to remove hardness of water. |
| 5. | Water pollution & Water resources in Tamil Nadu | This part of the theoretical section explains water pollution and water sources in Tamil Nadu. |
| 6. | Sources of water pollution-I | Both natural and man-made sources pollute the water supply. Let's take a closer look at them. |
| 7. | Sources of water pollution-II | Both natural and man-made sources pollute the water supply. Let's take a closer look at them. |
| 8. | Common pollutant | We have looked into various pollutants, but what are the most common ones? Let's take a closer look. |
| 9. | Controlling Water pollution | Water pollution must be controlled, because all living organisms require it to survive. What is the best way to control? Let's take a closer look at them. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Hardness of water: Match the following | 1st type - receptive | easy | 3 m. | Test your knowledge of the hardness of water by answering the given questions. |
| 2. | Hardness of water: Choose the correct answer | 1st type - receptive | easy | 2 m. | Test your knowledge of the hardness of water by answering the given questions. |
| 3. | Potable water: True or false | 2nd type - interpretation | medium | 3 m. | Test your knowledge of potable water by answering the given questions. |
| 4. | Water purification & Hardness of water: True or false | 2nd type - interpretation | medium | 3 m. | Select the answer whether true or false to analyse your knowledge. |
| 5. | Purification of water: Choose the correct answer | 3rd type - analysis | medium | 3 m. | Analyse your knowledge of purification of water by answering the given questions. |
| 6. | Potable water: Fill in the blanks | 3rd type - analysis | medium | 3 m. | Analyse your knowledge by answering the given questions. |
| 7. | Water purification and hardness of water: Think and answer | 3rd type - analysis | medium | 2 m. | Test your knowledge of purification and hardness of water by answering the given questions. |
| 8. | Hardness of water: think and select the answer | 3rd type - analysis | hard | 4 m. | Analyse your knowledge of the hardness of water by answering the given questions. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Hard and soft water: Drag and drop | Other | easy | 2 m. | Select the answer to analyse your knowledge of hard and soft water. |
| 2. | Water pollutants: Drag and drop | Other | medium | 2 m. | Test your knowledge of water pollutants by answering the given questions. |
| 3. | Water pollution: Write your answer | Other | hard | 6 m. | Write the answers to the given questions from water pollution to analyse your knowledge. |
| 4. | Process of water purification: Arrange the stepts involved | Other | hard | 6 m. | Answer the question to practice the steps involved in the purification of water. |
| 5. | Water pollutant | Other | easy | 1 m. | This exercise incorporates questions from textbook. Analyze your knowledge by answering these questions. |
| 6. | Hardness of water | Other | easy | 1 m. | This exercise incorporates questions from textbook. Analyze your knowledge by answering these questions. |
| 7. | Water borne disease | Other | medium | 1 m. | Analyse your knowledge of purification of water by answering the given questions. |
Tests
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Training Test | 00:30:00 | medium | 10 m. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Homework | 00:40:00 | medium | 8 m. | |
| 2. | Progress Test | 00:40:00 | medium | 11 m. | |
| 3. | Progress Test-I | 00:50:00 | hard | 10 m. | |
| 4. | Periodic Assessment | 00:10:00 | medium | 6 m. | PA 2 |
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