Methods of Separation in Everyday Life-Assignments - What Have You Learned? Science Curiosity Class 6 In English-CBSE Notes
Explore NCERT Solutions for Class 6 science curiosity Chapter Methods of Separation in Everyday Life Topic Assignments - What Have You Learned? with simple explanations and free ncert solution in English.
Class 6 Science Curiosity Curiosity Chapter 9 Methods of Separation in Everyday Life Assignments - What Have You Learned?
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Methods of Separation in Everyday Life-Assignments - What Have You Learned? Science Curiosity Class 6 In English-CBSE Notes
Methods of Separation in Everyday Life
Assignments - What Have You Learned?
Chapter 9. Methods of Separation in Everyday Life
This assignment is prepared according to the latest NCERT Curiosity textbook and CBSE competency-based pattern. It includes objective, subjective, competency-based, and HOTS questions to help students revise the complete chapter effectively.
Assignments – What Have You Learned?
Attempt all the following questions without referring to the textbook. These questions will help you strengthen your conceptual understanding and improve your examination skills.
Part A: Fill in the Blanks
Complete the following statements using suitable words.
- A __________ is a physical combination of two or more substances.
- The method used to remove stones from rice is __________.
- __________ is used to separate grains from harvested stalks.
- __________ separates lighter husk from heavier grains.
- __________ separates particles of different sizes.
- The process of settling heavy particles is called __________.
- The clear liquid is separated by the method of __________.
- __________ is used to separate insoluble solids from liquids.
- Salt is obtained from seawater by __________.
- Butter is separated from curd by __________.
Part B: True or False
Write True or False for each statement.
- Handpicking is suitable for removing visible impurities.
- Winnowing separates substances based on colour.
- Filtration is used to separate insoluble solids from liquids.
- Evaporation is used to obtain salt from seawater.
- Sedimentation occurs only in solids.
- Magnets attract iron filings.
- Churning is used to separate butter from curd.
- Sieving separates particles according to their size.
- Every mixture can be separated by the same method.
- Methods of separation are useful in everyday life.
Part C: Match the Following
Match Column A with the correct option in Column B.
| Column A | Column B |
|---|---|
| 1. Handpicking | (a) Butter from curd |
| 2. Winnowing | (b) Salt from seawater |
| 3. Filtration | (c) Stones from rice |
| 4. Churning | (d) Tea leaves from tea |
| 5. Evaporation | (e) Husk from grains |
Part D: One Word Answer
Answer each question in one word or one term.
- Name the process of separating grains from stalks.
- Which method uses a magnet?
- What is the liquid obtained after filtration called?
- What is the solid left on the filter paper called?
- Name the method used to separate flour from bran.
Part E: Very Short Answer Questions
Answer the following questions in one or two sentences.
- What is a mixture?
- Why is separation of substances necessary?
- What is sedimentation?
- What is decantation?
- Give one example of filtration.
Part F: Short Answer Questions
Answer the following questions in about 30–50 words.
- Differentiate between sieving and filtration.
- Explain the process of winnowing with an example.
- Why is handpicking suitable only for small quantities?
- How does magnetic separation work?
- Explain the process of obtaining salt from seawater.
Part G: Long Answer Questions
Answer the following questions in detail.
- Describe any five methods of separation used in everyday life with suitable examples.
- Explain how sedimentation, decantation, and filtration are used to obtain clean water.
- Discuss the importance of separation methods in homes, agriculture, and industries.
- How do physical properties help in selecting the correct method of separation? Explain with examples.
- Why is no single method suitable for separating every type of mixture?
Part H: Case Study
Riya's mother washed rice before cooking. Small stones were removed by hand. Later, she prepared tea and used a strainer to separate the tea leaves. In the evening, she collected butter from curd using a traditional churner.
Answer the following questions.
- Which method was used to remove stones from rice?
- Which method was used to separate tea leaves?
- Which method was used to obtain butter?
- Why are different methods needed for different mixtures?
- Name one other daily-life activity where filtration is used.
Part I: Competency-Based Questions
Answer the following questions by applying your understanding of the chapter.
- Why is a sieve not suitable for separating salt dissolved in water?
- Why do farmers prefer winnowing on a windy day?
- How would you separate iron nails mixed with sand? Give the reason.
- A student mixed chalk powder with water. Which method would you suggest to separate them and why?
- Why is filtration considered a better method than decantation for obtaining cleaner water?
Part J: HOTS (Higher Order Thinking Skills)
Think carefully and answer the following questions.
- If magnets suddenly lost their magnetic property, which separation method would no longer work? Explain.
- Can you separate sugar dissolved in water by filtration? Justify your answer.
- Suppose there is no wind. How would farmers separate husk from grains?
- Why do modern water purification systems use more than one separation method?
- How do separation methods help in protecting the environment and reducing waste?
Self-Assessment Checklist
Tick (✔) the statements after completing this chapter.
- ☐ I can explain what a mixture is.
- ☐ I can identify different methods of separation.
- ☐ I can choose the correct separation method for a given mixture.
- ☐ I understand filtration, sedimentation, and decantation.
- ☐ I can explain magnetic separation and churning.
- ☐ I can solve competency-based and case study questions.
- ☐ I am confident about this chapter for my CBSE examination.
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Methods of Separation in Everyday Life-Assignments - What Have You Learned? Science Curiosity Class 6 In English-CBSE Notes
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CBSE Notes for Class 6 science curiosity Chapter Methods of Separation in Everyday Life – Assignments - What Have You Learned?
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