CBSE Class 6 Science Chapter 9 Case Study Questions with Answers – Methods of Separation in Everyday Life

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Last Updated on 9 April 2025 by editablematerials.in

CBSE Class 6 Science Chapter 9 Case Study Questions – based on Methods of Separation in Everyday Life – help students connect textbook learning with real-life experiences like cooking, cleaning, and farming. These questions are prepared as per the CBSE Class 6 competency-based format, focusing on observation, reasoning, and application.

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🔍 Chapter Summary

In this chapter, students learn:

• Why separation of substances is necessary
• Common separation methods: hand picking, winnowing, sieving, filtration, decantation, evaporation, and condensation
• Applications in daily life (e.g., separating stones from rice, removing husk from grain)
• Using the right method based on material properties (solubility, size, weight, etc.)

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📝 Case Study Question 1

Read the passage and answer the following questions:

While helping in the kitchen, Aanya saw her mother remove pebbles from rice using her hands. Later, she used a sieve to separate flour from larger husk particles. Her science teacher had taught her that different methods are used based on particle size and type.

Answer the following:

1. What is the method of removing pebbles from rice called?
2. What is the process of separating flour from husk using a sieve called?
3. On what property is sieving based?
4. Give one more example where hand-picking is used.

Answers:

1. Hand picking
2. Sieving
3. Difference in particle size
4. Removing unwanted seeds or pieces from pulses

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📝 Case Study Question 2

Read the passage and answer the following questions:

During a science activity, students were given a mixture of sand and water. They first poured it slowly into a beaker and let it settle. Then, they carefully poured the clear water into another container, leaving the sand behind.

Answer the following:

1. What is the process of settling heavier particles called?
2. What is the process of pouring out the clear liquid called?
3. What property allows sand to settle down?
4. Name one real-life example where this method is used.

Answers:

1. Sedimentation
2. Decantation
3. Heavier weight and insolubility
4. Separating muddy water in villages before using it

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📝 Case Study Question 3

Read the passage and answer the following questions:

Rohit placed salty water in a shallow dish under sunlight. After a few hours, the water disappeared and only white crystals remained. His teacher explained how this method helps obtain salt from seawater.

Answer the following:

1. What method was used by Rohit to separate salt from water?
2. What happened to the water during the process?
3. Is this a reversible or irreversible change?
4. Which process can be used to get water back from the vapor?

Answers:

1. Evaporation
2. It changed into water vapour and escaped into the air
3. Irreversible in daily practice
4. Condensation (cooling the vapour back to liquid)

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More Case Study Questions from Class 6 Science

• CBSE Class 6 Science Chapter 12 Case Study Questions with Answers – Beyond Earth
• CBSE Class 6 Science Chapter 11 Case Study Questions with Answers – Nature’s Treasures
• CBSE Class 6 Science Chapter 10 Case Study Questions with Answers – Living Creatures: Exploring Their Characteristics
• CBSE Class 6 Science Chapter 9 Case Study Questions with Answers – Methods of Separation in Everyday Life
• CBSE Class 6 Science Chapter 8 Case Study Questions with Answers – A Journey Through States of Water
• CBSE Class 6 Science Chapter 7 Case Study Questions with Answers – Temperature and Its Measurement
• CBSE Class 6 Science Chapter 6 Case Study Questions with Answers – Materials Around Us
• CBSE Class 6 Science Chapter 5 Case Study Questions with Answers – Measurement of Length and Motion
• CBSE Class 6 Science Chapter 4 Case Study Questions with Answers – Exploring Magnets
• CBSE Class 6 Science Chapter 3 Case Study Questions with Answers – Mindful Eating: A Path to a Healthy Body
• CBSE Class 6 Science Chapter 2 Case Study Questions with Answers – Diversity in the Living World
• CBSE Class 6 Science Chapter 1 Case Study Questions with Answers – The Wonderful World of Science

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❓ Frequently Asked Questions (FAQs)

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✨ Conclusion

This chapter teaches students how basic separation techniques are used in day-to-day life. These case study questions encourage critical thinking and help build a strong scientific foundation through practical examples.

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