UBSE - 6 - Science :: Separation of Substances

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[Contributor - Suhas B]

Please find below the detailed lesson plan and PPT for this chapter in the language mentioned against the respective link. While the lesson plan will give an overall flow of the lesson, the PPT will include lesson flow as well as the presentations for the class.

https://drive.google.com/open?id=1CwcsjogHnIghLpcIsRmSwm9J0__-iu-n (Lesson Plan - English)

https://drive.google.com/open?id=1SEGLR_wM9_oOBa56TZh8-jSe11sOVmHU (PPT - English)

You may use the content as it is or download and modify them to suit the students requirements.

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The worksheets of the lesson can be accessed from the worksheet tab.

Kindly rate the lesson plan and share your suggestions and comments on the lesson plan in the comments box below. Your valuble suggestions and comments will help us to improve the content.

[Contributor - Rini Jose]

https://ncert.nic.in/textbook.php (Hindi and English)

[Author - Divya Goil, Kripa S]

https://www.youtube.com/watch?v=_WXkXAwdqgE (separation from mixtures)

[Contributor - Suhas B]

lesson Plan version 1.1 videos

https://www.youtube.com/watch?v=JeaxMKPM8Z8 (Seperation of substances)

https://www.youtube.com/watch?v=nmaXUSpl5w4 (Hand picking)

https://www.youtube.com/watch?v=_AxxyAKTZ-g (Winnowing)

https://www.youtube.com/watch?v=dKdW2PPFUI4 (Threshing)

https://www.youtube.com/watch?v=KDqamik3kbs (Sieving)

https://www.youtube.com/watch?v=VIjyNF3s26M (Sedimentation and decantation)

https://www.youtube.com/watch?v=95ChO2oEJPA (Saturated solutions)

https://www.youtube.com/watch?v=9FBpdaokLto (Solubility)

[Author - Kripa S]

https://learnex.files.wordpress.com/2016/01/separation-of-mixtures-4-638.jpg?w=395&h=297 (methods of separation)

http://2.bp.blogspot.com/-guNQOEt-Di8/VmVG5bcoelI/AAAAAAAAAbQ/dOjcu0z08EE/s1600/WINNOW.png (winnowing vs handpicking)

https://image.slidesharecdn.com/waterandsolutions-120503085027-phpapp01/95/water-and-solutions-5-728.jpg?cb=1336035068(how a solution is formed)

[Author - Arshea Bimal]

1. Pick a pair of students. Ask each student to name a common liquid. Now say that you will combine the two liquids into one vessel. Ask a third student for an idea to separate them.

2. Pick a pair of students. Ask one student to name a common liquid. Ask the other to name a common solid. Now say that you will combine the two into one vessel. Ask a third student for an idea to separate them.

3. Ask the students for some real life examples of the various methods of separation.

4. Ask the students for some real life examples where they have observed sedimentation.

[COntributor - Suhas B]

Lesson Plan version 1.1 activities

1. Bring a packet of food grain to the classroom. Now, spread the grains on a sheet of paper. You may find pieces of stone, husks, broken grain and particles of other grains in it. Now, remove with your hand these unwanted pieces of stone, husks and other grains from it.

2. Make a mixture of dry sand with sawdust or powdered dry leaves. Keep this mixture on a plate or a newspaper.

Hold the plate or the sheet of paper containing the mixture, at your shoulder height. Tilt it slightly, so that the mixture slides out slowly

3. Bring a sieve and a small quantity of flour from home, to the class. Sieve the flour to separate any impurities in it.

4. Collect some muddy water from a pond or a river. Let it stand for half an hour. Observe the water carefully and note your observations. Now, slightly tilt the glass without disturbing the water. Let the water from the top flow into another glass. Now filter it using a piece of cloth.

5. Pour half a cup of water in the beaker. Add one teaspoonful of salt and stir it well, until the salt dissolves completely. Again add a teaspoonful of salt and stir well. Go on adding salt, one teaspoonful at a time, and stir.

4. Make a saturated solution of salt in water. Add a small quantity of salt to this saturated solution and heat it. Let this hot solution cool. Observe carefully.

[Contributor - Suhas B]

Lesson Plan version 1.1 PPT

https://drive.google.com/open?id=1SEGLR_wM9_oOBa56TZh8-jSe11sOVmHU

Version 20-21

https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/worksheet/UBSE/Science/T+4007_ST+5797_V1.docx ( Worksheet 1)

https://s3.ap-south-1.amazonaws.com/prod.evidyaloka.org/couse_documents/answer_keys/UBSE/Science/T+4007_ST+5797_V1.docx ( Answer key 1)

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