Changes

Jump to navigation Jump to search
361 bytes added ,  10:54, 30 August 2013
Line 137: Line 137:  
*Website interactives/ links/ simulations
 
*Website interactives/ links/ simulations
   −
*Process/ Developmental Questions<br>  
+
*'''Process/ Developmental Questions'''<br>  
 
Procedure:Add lemon juice to a cup of milk . See the changes. Milk changes into curds.<br> How did this change take place?  (Lactococcus lactis is a microbe classified informally as a Lactic Acid Bacterium <br>because it ferments milk sugar (lactose) to lactic acid.)[[File:lactus bacteria.jpg|100px|left]][[File:Curds.jpg|100px|left]]
 
Procedure:Add lemon juice to a cup of milk . See the changes. Milk changes into curds.<br> How did this change take place?  (Lactococcus lactis is a microbe classified informally as a Lactic Acid Bacterium <br>because it ferments milk sugar (lactose) to lactic acid.)[[File:lactus bacteria.jpg|100px|left]][[File:Curds.jpg|100px|left]]
*Evaluation<br>
+
*'''Evaluation'''<br>
 
Evaluation: What changes do you find when lemon juice is added to milk? Is there change in the taste? Why did this change take place?<br>
 
Evaluation: What changes do you find when lemon juice is added to milk? Is there change in the taste? Why did this change take place?<br>
*Question Corner<br>'''Activities to students for evaluation (CCE)'''
+
*'''Question Corner'''<br>'''Activities to students for evaluation (CCE)'''<br>
 +
1. Browse the web and prepare the presentation on habitat and types of bacteria.<br>
 +
2. Draw the different shapes of bacteria on drawing sheet , name them and display in class room.<br>
 +
3. Why does the milk  get spoilt during summer? Does it get spoilt if we boil milk? If not, why?<br>
 +
4. Similarly which food items get spoilt soon? Why?
    
= Project Ideas =
 
= Project Ideas =
74

edits

Navigation menu