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Methodical recommendation:

Theory

Number Name Description
1. Introduction Explanation to changes and its classification.
2. Slow and fast changes Explanation on slow and fast changes.
3. Reversible and irreversible changes Explanation on reversible and irreversible changes.
4. Physical change: changes in states of water Explanation on changes in states of water: physical change.
5. Desirable and undesirable changes Explanation on desirable and undesirable changes.
6. Natural and man-made changes Explanation on natural and man-made changes.
7. Difference between physical and chemical change Explanation on difference between the physical and chemical change.
8. Changes and it's classifications PDF chapter test

Textbook Questions

Number Name Type Difficulty Marks Description
1. Reversible and irreversible changes Other easy 1 m. This exercise consists of three textbook questions; each question holds one mark. The student has to choose the best answer, and the questions deal with the significant importance of the changes around us. As an outcome of this exercise, the student will learn about the mentioned concepts.
2. Desirable changes and undesirable change Other medium 1 m. This exercise consists of two textbook questions; each question holds one mark. The student has to choose the odd answer, and the questions deal with the significant importance of the changes around us. As an outcome of this exercise, the student will learn about the mentioned concepts.

Practice Questions

Number Name Type Difficulty Marks Description
1. Endothermic process 1st type - receptive easy 2 m. Exercise based on endothermic process.
2. Sublimation and crystallistion 1st type - receptive easy 2 m. Exercise based on the topic sublimation and crystallistion.
3. Exothermic and endothermic changes 1st type - receptive easy 2 m. Exercise based on the topic exothermic and endothermic changes.
4. Chemical changes 1st type - receptive easy 2 m. Exercise based on the topic chemical changes.
5. Changes around us: Match the picture with options given 1st type - receptive easy 2 m. Practice questions based on the topic changes around us.
6. Melting and vapourisation 2nd type - interpretation medium 4 m. Exercise based on the topic melting and vapourization.
7. Reversible and irreversible changes 2nd type - interpretation medium 4 m. Exercise based on the topic reversible and irreversible changes.
8. Answer the questions about freezing and condensation 2nd type - interpretation medium 4 m. Exercise based on the topic freezing and condensation.
9. Chemical changes 2nd type - interpretation medium 4 m. Exercise based on the topic chemical changes.
10. Analyse the statements about changes 2nd type - interpretation medium 4 m. Exercise based on the topic changes.
11. Temporary Changes 2nd type - interpretation medium 4 m. Exercise based on the topic temporary Changes.
12. Exothermic and endothermic changes: select the correct option 2nd type - interpretation medium 4 m. Exercise based on the topic exothermic and endothermic changes.
13. Types of chemical changes: statement and word match 2nd type - interpretation medium 4 m. Exercise based on the topic types of chemical changes.
14. Types of changes and its examples 2nd type - interpretation medium 4 m. Exercise based on the topic types of changes and its examples.
15. Permanent changes 2nd type - interpretation medium 4 m. Exercise based on the topic permanent changes.
16. Sublimation and crystallisation 3rd type - analysis medium 4 m. Practice questions related to Sublimation and crystallisation.
17. Process related to types of changes 2nd type - interpretation medium 4 m. Exercise based on the topic types of changes.
18. Changes in substances 3rd type - analysis medium 4 m. Exercise based on the topic changes around us.
19. Reversible and irreversible changes 3rd type - analysis medium 4 m. Exercise based on the topic reversible and irreversible changes.
20. Analyse the statements about changes 3rd type - analysis hard 6 m. Practice questions related to chemical changes.
21. Different states of water 3rd type - analysis hard 9 m. Exercise based on the topic different states of water and its changes.
22. Find the different types of changes 3rd type - analysis hard 8 m. Exercise based on the topic types of seasonal changes.
23. Assertion and reasoning for types changes around us 3rd type - analysis hard 6 m. Exercise based on the topic types of changes with examples.
24. Natural and man-made changes 3rd type - analysis hard 6 m. Exercise based on the topic natural and man-made changes.

Questions for Teacher Use

Number Name Type Difficulty Marks Description
1. Physical change Other easy 2 m. Exercise based on the topic physical change.
2. Answer the following question based on the topic changes around us Other medium 9 m. Answer the following questions based on the topic changes around us.
3. Analyse the statements about chemical changes Other hard 9 m. Exercise based on the topic chemical changes.
4. Physical and chemical changes Other easy 1 m. This exercise consists of three textbook questions; each question holds one mark. The student has to choose the best answer, and the questions deal with the significant importance of the changes around us. As an outcome of this exercise, the student will learn about the mentioned concepts.
5. Type of changes Other easy 1 m. This exercise consists of three textbook questions; each question holds one mark. The student has to choose the best answer, and the questions deal with the significant importance of the changes around us. As an outcome of this exercise, the student will learn about the mentioned concepts.
6. Desirable and undesirable changes Other easy 1 m. This exercise consists of two textbook questions; each question holds one mark. The student has to choose the best answer, and the questions deal with the significant importance of the changes around us. As an outcome of this exercise, the student will learn about the mentioned concepts.
7. Natural and man-made changes Other easy 1 m. This exercise consists of two textbook questions; each question holds one mark. The student has to choose the best answer, and the questions deal with the significant importance of the changes around us. As an outcome of this exercise, the student will learn about the mentioned concepts.

Tests

Number Name Recomended time: Difficulty Marks Description
1. Training Test 00:15:00 medium 8 m.
2. Training Test - II 00:15:00 medium 10 m.

Question Bank for Teachers

Number Name Recomended time: Difficulty Marks Description
1. Homework Test 00:20:00 medium 15 m.
2. Progress Test 00:20:00 medium 18 m.
3. Homework test - II 00:20:00 medium 16 m.
4. Progress Test - II 00:30:00 medium 21 m.
5. Progress Test - III 00:25:00 medium 14 m.
6. Progress Test - IV 00:15:00 medium 14 m.
7. Periodic Assessment 00:10:00 medium 8 m. PA 2
8. Bridge Course Demo 2 00:10:00 medium 3 m.