Innovative lesson plan

INDUCTIVE THINKING MODEL

 LESSON TRANSCRIPT

Name of School   :                                                                                          Standard : IX Name of Teacher :                                                                                           Date       : Subject                :Physics Unit                     :Fluids Topic                   :Viscosity

NAME OF THE CONCEPT           : Viscosity

OBJECTIVES

®    Pupils develops observation skills

®    Identification of different types of viscous liquids

®    Generalization about property of viscous liquids

®    Pupils develops hypothesizing predicting results

PHASE 1 : DATA CATEGORISATION

T          :           What is the common property of water, acid, kerosene, honey etc ?

S          :           They are all liquids

T          :           Can you name some of the liquids that we  use in our daily life ?

S          :           Yes, coconut oil, ghee, shampoo, nail polish, spirit, vinegar, well water, river
             water, coconut oil, petrol etc.

T          :           Can you group these examples and name them according to the similarity ?

GROUP – A	GROUP – B
Castor oil	Well water
Coconut oil	Spirit
Ghee	Vinegar
Shampoo	River water
Nail Polish	Petrol

PHASE 2  : INTERPRETATION OF DATA

T          :           Let me analyze each group of examples and know more about them

                        What is the peculiarity of liquids in group A?

S          :           They are all liquids

T          :           Anything more ?

S          :           They flow very slow.

T          :           Yes, you are right, They are called viscous liquids. What about group B?

S          :           Group – B liquids flow faster

T          :           Yes, they are called mobile liquids. Can you identify the property of viscous
             liquids?

S          :           No teacher

T          :           Yes, it is called viscosity. It is the property of a liquid which opposes the relative
             motion between the different layers of liquids.  Thus viscous liquids have high
             viscosity and mobile liquids have low viscosity.

PHASE 3 : APPLICATION OF GENERALISATION 

T          :           Now I will give you examples of different type of liquids. You must name its
            type. Dettol

S          :           Mobile Liquid

T          :           Why it is called a mobile liquid ?

S          :           It is because it has got low viscosity

T          :           Yes, now starch

S          :           It is a viscous liquid.

T          :           Why it is a viscous liquid ?

S          :           It is because it has got a high viscosity

T          :           Yes, Tar.

S          :           Viscous liquid

T          :           Lemon water

S          :           Mobile liquid

T          :           Yes, so viscosity is the property of liquids that opposes the relative motion
             between the layers of the liquid.  Liquids having high viscosity are viscous 
             liquids. Liquids has low viscosity are mobile liquids.