Difference between revisions of "DSERT - 7 - Science :: Friction"
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|Friction ||ಫ್ರಿಕ್ಷನ್ || ಘರ್ಷಣೆ || | |Friction ||ಫ್ರಿಕ್ಷನ್ || ಘರ್ಷಣೆ || | ||
Revision as of 09:06, 8 August 2017
Go To: DSERT-Science-Grade 7
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[Author - Anu Nived]
Objective: To teach the students about about friction and types of friction
Subtopics to be covered:
-Factors affecting friction
-How to increase and decrease friction
Learning Outcome:
- Students can relate friction with their day to day life (how ball bearings work, rubbing hands with soil, etc.)
- They know about the effects of friction
[Author - Kripa S]
http://ktbs.kar.nic.in/new/website%20textbooks/class7/7th-kannada-science-01.pdf#page=36 (Kannada Medium)
http://ktbs.kar.nic.in/new/website%20textbooks/class7/7th-english-science-01.pdf#page=36 (English Medium)
[Author - Anu Nived]
http://study.com/cimages/multimages/16/rsz_matches-637771_640.png (friction)
http://www.ekshiksha.org.in/images_friction_VIII/figure_11.JPG (increase friction)
http://image.wistatutor.com/content/feed/tvcs/Image20on20decreasing20and20increasing20friction.JPG (reduce and increase friction)
http://www.mstworkbooks.co.za/natural-sciences/gr9/images/gr9ec01-gd-0032.png (static friction)
[Author - Kripa S, Rudrakant Sollapur]
1. Make an inclined plane on a smooth floor, or on a table. You may use a wooden board supported by bricks, or books. Put a mark with a pen at any point on the inclined plane. Now let a pencil cell move down from this point. How far does it move on the table before coming to rest? Note down the distance. Now spread a piece of cloth over the table. Make sure that there are no wrinkles in the cloth. Try the activity again.
2. http://www.arvindguptatoys.com/toys/books.html (tug of war activity)
3. https://drive.google.com/open?id=0BzNF2YyqQxJ-V1NiR2pENFpkWnM
[Author - Rudrakant Sollapur]
https://drive.google.com/open?id=0BzNF2YyqQxJ-VUxtVUdva0oyUU0
[Author - Apoorva Ramachandra]
| Term | Transliterated Term | Translated Term | |
| Friction | ಫ್ರಿಕ್ಷನ್ | ಘರ್ಷಣೆ | |
| Frictional Force | ಫ್ರಿಕ್ಷನಲ್ ಫೋರ್ಸ್ | ಘರ್ಷಣಾ ಬಲ | |
| Static Friction | ಸ್ಟಾಟಿಕ್ ಫ್ರಿಕ್ಷನ್ | ಸ್ಥಾಯಿ ಘರ್ಷಣೆ | |
| Rolling Friction | ರೋಲಿಂಗ್ ಫ್ರಿಕ್ಷನ್ | ಉರುಳು ಘರ್ಷಣೆ | |
| Sliding Friction | ಸ್ಲೈಡಿಂಗ್ ಫ್ರಿಕ್ಷನ್ | ಜಾರು ಘರ್ಷಣೆ | |
| Motion | ಮೋಷನ್ | ಚಲನೆ | |
| Lubricant | ಲೂಬ್ರಿಕೆಂಟ್ | ನುಣುಪುಕಾರಕ / ಹೆರೆ |
[Author - Rudrakant Sollapur]
https://drive.google.com/open?id=0BzNF2YyqQxJ-SXdyS3VKM01ucFU
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