APSB - 8 - Science :: Friction

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Go To: APSB-Science-Grade 8

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[Author - Anu Nived]


Objective: To educate the children about friction and types of friction

Subtopics to be covered:

- Factors affecting friction

- How to increase and decrease friction

- Types of friction

Learning Outcome:

- Students know about friction and factors affecting them

- They can relate friction with their day to day life (how ball baerings work, rubbing hands, etc.)

- They know about fluid friction and drag

- They can classify types of friction


[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)

[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


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 
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