Class 6 Exam > Class 6 Notes > Science Class 6 > Very Short Question Answers: Methods of Separation in Everyday Life
Very Short Question Answers: Methods of Separation in Everyday Life | Science Class 6 PDF Download
Q1: What is the purpose of separating materials?
Ans: To organize and manage different materials effectively, improving efficiency and sustainability.
Q2: What is handpicking?
Ans: A method of separating substances based on size, color, or shape, often done manually.
Q3: Give an example of handpicking.
Ans: Separating black peppercorns from vegetable pulao by hand.
Q4: What is threshing?
Ans: The process of separating grains from harvested stalks by beating them.
Q5: How does winnowing work?
Ans: It uses wind to blow away lighter chaff while heavier grains fall to the ground.
Q6: What is the function of threshing machines?
Ans: To separate grains from stalks and remove husk efficiently.
Q7: What is sieving?
Ans: A method to separate particles based on size using a sieve.
Q8: What happens if sieve holes are too large?
Ans: Both fine and larger particles will pass through, making it ineffective.
Q9: How is salt obtained from seawater?
Ans: By evaporating seawater in shallow pits, leaving salt behind.
Q10: What is sedimentation?
Ans: The process where heavier, insoluble particles settle at the bottom of a liquid.
Q11: Define decantation.
Ans: Pouring off the liquid after sedimentation, leaving solids behind.
Q12: What is filtration?
Ans: A method to separate insoluble solids from liquids using a filter medium.
Q13: Give an example of filtration.
Ans: Filtering tea leaves from brewed tea using a strainer.
Q14: What is churning?
Ans: Agitating a mixture to separate lighter components, like butter from curd.
Q15: How does magnetic separation work?
Ans: It uses magnets to separate magnetic substances from non-magnetic ones.
Q16: Provide an example of magnetic separation.
Ans: Separating iron nails from sawdust using a magnet.
Q17: What materials can be used for filtration besides filter paper?
Ans: Cotton, charcoal, and sand can also be used as filters.
Q18: What is the primary focus of Ayurveda?
Ans: Holistic well-being using natural remedies from herbs and plants.
Q19: Why are plant materials dried in Ayurveda?
Ans: To remove excess moisture while preserving their medicinal properties.
Q20: What is the end product of evaporation of seawater?
Ans: A solid mixture of salts, primarily common salt.
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FAQs on Very Short Question Answers: Methods of Separation in Everyday Life - Science Class 6
| 1. What are the common methods of separation used in everyday life? |  |
Ans. The common methods of separation used in everyday life include filtration, evaporation, decantation, handpicking, and magnetic separation. Each method is suitable for different types of mixtures.
| 2. How is filtration used in daily activities? | |
Ans. Filtration is often used to separate solids from liquids, such as when making coffee or tea. A filter paper is used to allow the liquid to pass through while trapping the solid particles.
| 3. What is evaporation and where do we see it in daily life? | |
Ans. Evaporation is the process of turning liquid into vapor. In daily life, we see evaporation when water is left out in the sun and gradually disappears, or when salt is obtained by evaporating seawater.
| 4. Can you explain decantation with an example? | |
Ans. Decantation is the process of carefully pouring off a liquid from a solid or another liquid that has settled at the bottom. An example is pouring off clear water from a mixture of sand and water after letting it sit.
| 5. What is magnetic separation and where is it applied? | |
Ans. Magnetic separation is a method used to separate magnetic materials from non-magnetic ones. It is commonly applied in recycling processes, where iron or steel can be separated from other materials.
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