CBSE Class 6 Science Separation of Substances Assignment

Read and download free pdf of CBSE Class 6 Science Separation of Substances Assignment. Get printable school Assignments for Class 6 Science. Class 6 students should practise questions and answers given here for Chapter 5 Separation Of Substances Science in Class 6 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 6 Science prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 6 Science Chapter 5 Separation Of Substances

Class 6 Science students should refer to the following printable assignment in Pdf for Chapter 5 Separation Of Substances in Class 6. This test paper with questions and answers for Class 6 Science will be very useful for exams and help you to score good marks

Chapter 5 Separation Of Substances Class 6 Science Assignment

Question. How will you separate husk or dirt particles from a given sample of pulses before cooking?
Answer: Husk and dirt particles are separated from pulses by hand picking.

Question. How would you obtain clear water from a sample of muddy water?
Answer: By Sedimentation and decantation: Allow muddy water to stand. Mud gets settled down in the water. Slowly pour water to another container. We can also obtain pure water from muddy water by filtration.

Question. How will you separate sand and water from their mixture?
Answer: By Sedimentation and decantation: The mixture is allowed to stand without any disturbances, and sand settles down. Now slowly pour the water into another container to obtain sand in the bottom. We can also use filtration.

Question. Why do we need to separate different components of a mixture? Give two examples.
Answer: We need to separate different components of a mixture:
(i) To separate harmful or non-useful substances that may be mixed with it.
(ii) To separate even useful components if we need to use them separately.
Examples: (i) Milk or curd is churned to separate the butter.
(ii) Grain is separated from stalks, while harvesting

Question. Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?
Answer: Yes. Mix sugar and wheat flour in water. Stir the solution to allow sugar to dissolve. Now filter the mixture. Filtrate contains sugar solution and residue will be wheat flour.

Question. What is sieving? Where is it used?
Answer: Sieving is a method of separation which allows the fine flour particles to pass through the holes of the sieve while the bigger impurities remain on the sieve. It is used at home to separate pebbles and stones from sand.

Question. What is winnowing? Where is it used?
Answer: Method of separating the components from a mixture is known as winnowing. In this method heavier and lighter components of a mixture are separated by wind or by blowing air. This method is used to separate grains from husk.

Question. Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?
Answer: We should add ice after dissolving sugar because the dissolving power of water decreases with decrease in temperature. So, if we add ice before dissolving sugar, less amount of sugar will get dissolved.


Fill in the blanks:

Question. Salt is obtained from seawater by the process of ............
Answer: Evaporation

Question. Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called .....................
Answer: Sedimentation and decantation

Question. The method of separating seeds of paddy from its stalks is called ...............
Answer: Threshing

Question. When milk cooled after boiling is poured onto a piece of cloth, the cream (malai) is left behind on it.
This process of separating cream from milk is an example of ...........
Answer: Filtration

True or false:

Question. Separation of sugar from tea leaves can be done with filtration. 
Answer: True

Question. Grain and husk can be separated with the process of decantation. 
Answer: False

Question. A mixture of milk and water can be separated by filtration. 
Answer: False

Question. A mixture of powdered salt and sugar can be separated by the process of winnowing. 
Answer: False

 

1) Fill in the blanks _____

a. The method of separating mixture into its component by hand is called a ________.

b. __________ is the method of separting husk from grains using wind.

c. The process of settling down of a solid at the bottom of liquid is called a _________.

d. A substance that dissolves in liquid is called a ____________.

e. The mixture of a solute and a solvent is called a _____________.

2. Coin one word for the following ___

a. The process of converting a liquid into its vapour __________.

b. A substance that settles down at the bottom of a liquid __________.

c. A solution in which no more solute can be dissolved at a given tempoerature___________.

d. The process of converting water vapour into water drops. ___________.

Please refer to attached file for CBSE Class 6 - Separation of Substances

Chapter 05 Separation of Substances
CBSE Class 6 Science Separation of Substances Assignment
Chapter 09 The Living Organisms and Their Surroundings
CBSE Class 6 Science The Living organisms and their surroundings Assignment
Chapter 10 Motion and Measurement of Distances
CBSE Class 6 Science Motion and Measurement of Distances Assignment

CBSE Class 6 Science Chapter 5 Separation Of Substances Assignment

We hope you liked the above assignment for Chapter 5 Separation Of Substances which has been designed as per the latest syllabus for Class 6 Science released by CBSE. Students of Class 6 should download and practice the above Assignments for Class 6 Science regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 6 Science practice sheet in Pdf. All questions have been designed for Science by looking into the pattern of problems asked in previous year examinations. You can download all Revision notes for Class 6 Science also absolutely free of cost. Lot of MCQ questions for Class 6 Science have also been given in the worksheets and assignments for regular use. All study material for Class 6 Science students have been given on studiestoday. We have also provided lot of Worksheets for Class 6 Science which you can use to further make your self stronger in Science.

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How many topics are covered in Chapter 5 Separation Of Substances Science assignments for Class 6

All topics given in Chapter 5 Separation Of Substances Science Class 6 Book for the current academic year have been covered in the given assignment

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Latest syllabus issued for current academic year by CBSE has been used to design assignments for Chapter 5 Separation Of Substances Class 6

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