APSB - 8 - Science :: Friction

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Go To: APSB-Science-Grade 8

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Course content
Textbook
Teaching learning resources

Course Content / Subtopic list:

Force of friction
Factors affecting Friction
Types of friction
Friction : A Necessary Evil
Increasing and Reducing Friction

Expected Learning Outcome:

SWBAT-

Define Friction
Explain the types of friction
Describe the factors affecting the friction
Distinguish between increasing and reducing friction

Semester 1

Physics TextBook Link
Biology TextBook Link

Semester 2

Physics TextBook Link
Biology TextBook Link

Lesson Plan

[Contributor - Rama Devi]

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=1zB3pkFXIfFlz2b1yw3RzXGmOuyoVxtDm (Lesson Plan - Telugu)

https://drive.google.com/open?id=1qaP0uCYz6ah5k8ZWCDYlWvockIJCF8Zg (PPT - Telugu)

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

If you feel any major modifications or additions are carried out by you in the form of adding any new activity, presentations, videos etc. we request you to send the modified version to submitcontent@evidyloka.org for enabling upload the modified version.

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.

Videos

[Author - Hupesh Seemakurthy, Praveen Jayaram]

https://drive.google.com/open?id=0B4m07xnDF8JpdEF6SjVMOFctWTg (Friction)

https://www.youtube.com/watch?v=-2ZKwReeoG4 (Friction - English)

https://www.youtube.com/watch?v=PNDRIicw4E0 (Friction II - English)

Images

[Author - Kripa S]

http://study.com/cimages/multimages/16/rsz_matches-637771_640.png (friction)

https://s-media-cache-ak0.pinimg.com/736x/85/bb/2f/85bb2f70d04627b2b504ce0d4c410358.jpg (static friction)

http://www.hollywoodshoerepair.com/images/beforeAfter_fullSole02.jpg (reduce friction)

http://www.ekshiksha.org.in/images_friction_VIII/figure_17.JPG (fluid friction)

Activities

[Author - Kripa S]

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

Additional Aids

[Author - Praveen Jayaram]

https://drive.google.com/open?id=0BzNF2YyqQxJ-WUhsSXdZXzE1UGs

[Contributor - Rama devi]

Lesson Plan version 1.1 PPT

https://drive.google.com/open?id=1qaP0uCYz6ah5k8ZWCDYlWvockIJCF8Zg (PPT)

Transliteration

[Author - Kalanadhabhatla Shweta]

Term	Transliterated Term	Translated Term
Speed	స్పీడ్	వడి
Observation	ఆబ్సెర్వేషన్	పరిశీలన
Force	ఫోర్స్	బలం
Acceleration	ఆసిలేరేషన్	త్వరణం
Horizontal	హారిజాంటల్	సమాంతర
Motion	మోషన్	కదలిక
Surface	సర్ఫన్	తలం
Sliding	స్లయిడింగ్	జారిపోవు
Lubricant	లుబ్రికంట్	కందెన
Independent	ఇండిపెండెంట్	స్వతంత్ర
Fluids	ఫ్లూయిడ్స్	ద్రవాలు